-;0000
+;0000 set to 1 at the end of a keypad read and turned off at the next rti
;0001 coin mask? (cf 0x001a, 0x3000, 0xc430)
;0003 global only used in jump71
;0005 number of motors we have
;0006 slot number
;0007 06 stored into it sometimes.
-;0008 used exclusively in SCI interrupt
+;0008 what byte of the packet we've read up to
;0009
;000a
;000c
-;0012 another buffer for 1800
-;0013
+;0011 another reflection of 2000
+;0012 another buffer for 1800 - what change to give?
+;0013 location of decimal point?
;0014 buffer for 3800 register
;0015
;0016 new key state (cf 0029)
;0017 bits 5-7 used mostly
-;0018
-;0019
+;0018 another loop variable
+;0019 error statuses:
+; bit 0 - over current
+; bit 1 - home sensor failure
+; bit 2 - check prices
;001a buffer for 3000 register - initialised to 7F
;001b bit 3 - denote motor fault?
;001c used for loop variables
;001d
;001f display related? bit 2. bit 4 denotes service mode
+;0020 reflection of 2000
;0021 lower 3 bits taken from SCI data somewhere
; bit 5 denotes machine out of order
;0023 buffer for 1800
+;0025 timer of some sort? - set to #0a and decremented by RTI
;0026 used exclusively in SCI interrupt handler
+;0027 price of current item
;0029 previous key state (cf 0016)
+;002b machine language. 3 = english. 0,1,2 = german, spanish, french or something
;002c inhibits display writes?
;0032 to do with the beeper (see jump52)
;0033
;0035 only ever contains #1e
;003b commonly contains $0233
;003d
-;003e mask for 0040? (see f996)
-;003f
-;0040
+;003e cash in bill acceptor?
+;003f word from above
+;0040 cash in european coin mech?
+;0041 word from above
;0042 current key press
+;0043 current byte being sent out serial port
;0048 error status
;004a
;0052 win-a-snack odds (in ram)
;0054 0..100
;0056 last known keypad row 1 state
;005b last known keypad row 0 state
-;005d dollars
-;005e Y in location XY (row?) cents1
-;005f X in location XY (column?) cents2
+;005a - result of number to string operations (jump55)
+; 005f
+;0067 working space of 0bc0
;0073
+;0075 something about link master price holding
;0076-0077 word
;007f
;00c8
;0bbd
;0bd8 related to 0017 and 0021 (only lower 3 bits used)
;0bd9 also related
-;0bc0 bit 0, 2, 1, 3
+;0bc0 machine peripheral configuration flags
+; bit0: have dumb mech
+; bit1: have a changer
+; bit2: have card reader
+; bit3: have bill validator
+; bit4: link master - price holding enabled
+; bit5: link master - price display enabled
+; bit6: have $1 changer
+; bit7: free vend
;0bc1 error status: (from jump72)
; bit0: changer powerup
; bit1: card powerup
; bit4: coin jam
; bit5: bad sensor
; bit6: tube error
-;0bc2 - 0bce SCI read into these locations
-;0bd
+;
+; SCI read buffer:
+;
+;0bc2 multiplied by 10^0bc3 and stored into 0baa
+;0bc3 10 is raise to the power of this number shr 4, and multiplied by 0baa
+;0bc4 index of something
+;0bc5 index of something else
+;0bc6 index of another thing
+;0bc7 word number of something
+;0bc8
+;0bc9 word number of something else
+;0bca
+;0bcb word number of another thing
+;0bcc
+;0bcd word number of another else
+;0bce
+;
;0bc4 array index into 0bc7
;0bc5
;0bc6 another array index into 0bc7
;0bc7 word array
;
-;0be1
+;0bdd value of coin mech quarters
+;0bdf value of coin mech dimes
+;0be1 value of coin mech nickels
+
+;
;0bd7 init'd to 0x01
;0bd8 init'd to 0x04
;0bd9 init'd to 0x02
;0bdb init'd to 0x08
;0bdc init'd to 0x10
;
-;0cbc serial number
-;0ccc machine ID
+;0cbc serial number (string)
+;0ccc machine ID (string)
+;0ce7 audit number (word)
+;
;0cd9 counter of something - reset to 4 on some serial input
;0cda counter of something - reset to 4 on some serial input
;0cdb also counts something - reset to 4 on some serial input
+
+;0ce9 value or number of $1 coins
+;0ceb value or number of 20c coins
+;0ced value or number of 10c coins
+;0cef value or number of 5c coins
+
+;0cdc number of value of $1 coins
+;0cdb number or value of 20c coin
+;0cda number or value of 10c coins
+;0cd9 number or value of 5c coins
+
;0dff - 0e04 keypad buffer - most recent in 0e04
;0e05 array index of the array to follow
;0e06 - ?? array of digits*10
+;0800 - 0x0fff memory bank 2k
+;
;1800 Internal switches
; 7 changer INT'
; 6 Sold out.
; initial menu when door opens?
8100 F6 00 1D ... ldab 001d
8103 C4 10 .. andb #10
-8105 27 3D '= beq 3d
+8105 27 3D '= beq 3d ; to 8144
8107 BD D6 52 ..R jsr d652 ;jump5
810A CE 00 1D ... ldx #001d
810D 1D 00 10 ... bclr 00,x, #10
813B 7F 0E 02 ... clr 0e02
813E 7F 0E 03 ... clr 0e03
8141 7F 0E 04 ... clr 0e04
+;
8144 F6 00 42 ..B ldab 0042
8147 C1 0B .. cmpb #0b
8149 26 0F &. bne 0f
85BE 39 9 rts
jump28:
+; drop some change out of the changer?
85BF F6 00 12 ... ldab 0012
85C2 C4 1E .. andb #1e ; 00011110
85C4 4F O clra
85EC 7F 00 2C .., clr 002c
85EF F6 0C D9 ... ldab 0cd9
85F2 27 03 '. beq 03
-85F4 7A 0C D9 z.. dec 0cd9
+85F4 7A 0C D9 z.. dec 0cd9 ; decrement number of 5c coins
85F7 BD 97 F6 ... jsr 97f6 ;jump27
85FA CC 01 5E ..^ ldd #015e
85FD BD E5 71 ..q jsr e571 ;msdelay
8616 7F 00 2C .., clr 002c
8619 F6 0C DA ... ldab 0cda
861C 27 03 '. beq 03
-861E 7A 0C DA z.. dec 0cda
+861E 7A 0C DA z.. dec 0cda ; decrement number of 10c coins
8621 BD 97 F6 ... jsr 97f6 ;jump27
8624 CC 01 5E ..^ ldd #015e
8627 BD E5 71 ..q jsr e571 ;msdelay
8640 7F 00 2C .., clr 002c
8643 F6 0C DB ... ldab 0cdb
8646 27 03 '. beq 03
-8648 7A 0C DB z.. dec 0cdb
+8648 7A 0C DB z.. dec 0cdb ; decrement number of 20c coins
864B BD 97 F6 ... jsr 97f6 ;jump27
864E CC 01 5E ..^ ldd #015e
8651 BD E5 71 ..q jsr e571 ;msdelay
8669 7F 00 2C .., clr 002c
866C F6 0C DC ... ldab 0cdc
866F 27 03 '. beq 03
-8671 7A 0C DC z.. dec 0cdc
+8671 7A 0C DC z.. dec 0cdc ; decrement number of $1 coins
8674 BD 97 F6 ... jsr 97f6 ;jump27
8677 CC 01 5E ..^ ldd #015e
867A BD E5 71 ..q jsr e571 ;msdelay
8A67 4F O clra
8A68 37 7 pshb
8A69 36 6 psha
-8A6A CC 00 C7 ... ldd #00c7
+8A6A CC 00 C7 ... ldd #00c7 ; 199
8A6D BD FB BA ... jsr fbba ;jump38
8A70 B3 00 27 ..' subd 0027
8A73 24 05 $. bcc 05
8AD2 4F O clra
8AD3 37 7 pshb
8AD4 36 6 psha
-8AD5 CC 00 FA ... ldd #00fa
+8AD5 CC 00 FA ... ldd #00fa ; 250
8AD8 BD FB BA ... jsr fbba ;jump38
8ADB FD 00 27 ..' std 0027
8ADE 20 38 8 bra 38
8AEF 4F O clra
8AF0 37 7 pshb
8AF1 36 6 psha
-8AF2 CC 00 C7 ... ldd #00c7
+8AF2 CC 00 C7 ... ldd #00c7 ; 199
8AF5 BD FB BA ... jsr fbba ;jump38
8AF8 FD 00 27 ..' std 0027
8AFB 20 1B . bra 1b
8B18 20 2D - bra 2d
8B1A FC 00 27 ..' ldd 0027
8B1D 26 0D &. bne 0d
-8B1F CC 27 10 .'. ldd #2710
+8B1F CC 27 10 .'. ldd #2710 ;10000
8B22 F0 0B AA ... subb 0baa
8B25 82 00 .. sbca #00
8B27 FD 00 27 ..' std 0027
8C72 39 9 rts
jump75:
+;fetches a price & other info for the given slot?
8C73 F6 00 06 ... ldab 0006
8C76 4F O clra
8C77 05 . asld
8CA1 84 08 .. anda #08
8CA3 27 08 '. beq 08
8CA5 CE 00 19 ... ldx #0019
-8CA8 1C 00 10 ... bset 00,x, #10
+8CA8 1C 00 10 ... bset 00,x, #10 ; corresponds to whatever '*' is on price display
8CAB 20 06 . bra 06
8CAD CE 00 19 ... ldx #0019
8CB0 1D 00 10 ... bclr 00,x, #10
8D14 4F O clra
8D15 37 7 pshb
8D16 36 6 psha
-8D17 CC 00 FA ... ldd #00fa
+8D17 CC 00 FA ... ldd #00fa ; 250
8D1A BD FB BA ... jsr fbba ;jump38
8D1D B3 00 0D ... subd 000d
8D20 24 05 $. bcc 05
8D3D 4F O clra
8D3E 37 7 pshb
8D3F 36 6 psha
-8D40 CC 00 C7 ... ldd #00c7
+8D40 CC 00 C7 ... ldd #00c7 ; 199
8D43 BD FB BA ... jsr fbba ;jump38
8D46 B3 00 0D ... subd 000d
8D49 24 05 $. bcc 05
8D9E 4F O clra
8D9F 37 7 pshb
8DA0 36 6 psha
-8DA1 CC 00 FA ... ldd #00fa
+8DA1 CC 00 FA ... ldd #00fa ; 250
8DA4 BD FB BA ... jsr fbba ;jump38
8DA7 FD 00 0D ... std 000d
8DAA 20 38 8 bra 38
8DBB 4F O clra
8DBC 37 7 pshb
8DBD 36 6 psha
-8DBE CC 00 C7 ... ldd #00c7
+8DBE CC 00 C7 ... ldd #00c7 ; 199
8DC1 BD FB BA ... jsr fbba ;jump38
8DC4 FD 00 0D ... std 000d
8DC7 20 1B . bra 1b
8E5A F6 00 09 ... ldab 0009
8E5D 4F O clra
8E5E BD FE 32 ..2 jsr fe32 ;jump25
-8E61 8E 7B 00 00 .{.. ; array data for jump25
-8E65 8E 81 00 01 ....
-8E69 8E 87 00 04 ....
-8E6D 8F 01 00 05 ....
-8E71 8F 09 00 01 ....
-8E75 8F 0C FF F5 ....
+8E61 8E 7B 00 00 .{.. ; no key
+8E65 8E 81 00 01 .... ; key 1 - toggle?
+8E69 8E 87 00 04 .... ; key 5 - save and next
+8E6D 8F 01 00 05 .... ; key 0 - exit
+8E71 8F 09 00 01 .... ; key reset - exit
+8E75 8F 0C FF F5 .... ; default
8E79 00 00 .. ; end of array data
-8E7B BD 9C 15 ... jsr 9c15 ;jump111
+;
+8E7B BD 9C 15 ... jsr 9c15 ;jump111 - write the option name
8E7E 7E 8F 0C ~.. jmp 8f0c ;goto12
+;
8E81 BD A7 5F .._ jsr a75f ;jump133
8E84 7E 8F 0C ~.. jmp 8f0c ;goto12
+;
8E87 F6 00 48 ..H ldab 0048
8E8A C1 08 .. cmpb #08
8E8C 25 05 %. bcs 05
8EA0 F6 00 48 ..H ldab 0048
8EA3 C1 01 .. cmpb #01
8EA5 26 0F &. bne 0f
+;
8EA7 F6 00 67 ..g ldab 0067
8EAA C4 02 .. andb #02
8EAC 26 08 &. bne 08
8EAE F6 00 48 ..H ldab 0048
8EB1 CB 02 .. addb #02
8EB3 F7 00 48 ..H stab 0048
+;
8EB6 F6 00 48 ..H ldab 0048
8EB9 C1 02 .. cmpb #02
8EBB 26 0A &. bne 0a
8EF3 7F 00 48 ..H clr 0048
8EF6 F6 0B C0 ... ldab 0bc0
8EF9 F7 00 67 ..g stab 0067
-8EFC BD 9C 15 ... jsr 9c15 ;jump111
+8EFC BD 9C 15 ... jsr 9c15 ;jump111 - write the next option
8EFF 20 0B . bra 0b
+;
8F01 BD A4 59 ..Y jsr a459 ;jump110
8F04 BD 85 AF ... jsr 85af ;jump14
8F07 20 03 . bra 03
9126 7F 00 09 ... clr 0009
9129 7F 00 0A ... clr 000a
912C 39 9 rts
-
+;
912D F6 00 19 ... ldab 0019
9130 2C 28 ,( bge 28
9132 BD A9 CF ... jsr a9cf ;jump131
91E2 7F 00 54 ..T clr 0054
91E5 7F 00 60 ..` clr 0060
91E8 CE 00 19 ... ldx #0019
-91EB 1D 00 .. bclr add,x 00,x
-91ED 80 7F .. suba #7f
-91EF 00 . test
-91F0 36 6 psha
+91EB 1D 00 80 .. bclr 00,x, #80
+91EE 7F 00 36 .. clr 0036
91F1 20 66 f bra 66
91F3 F6 00 0A ... ldab 000a
91F6 4F O clra
92F1 4F O clra
92F2 37 7 pshb
92F3 36 6 psha
-92F4 CC 00 64 ..d ldd #0064
-92F7 BD FB BA ... jsr fbba ;jump38
+92F4 CC 00 64 ..d ldd #0064 ; 100
+92F7 BD FB BA ... jsr fbba ;jump38 - multiplication
92FA FD 0C E9 ... std 0ce9
92FD BD D6 F6 ... jsr d6f6 ;jump106
9300 FC 0C E9 ... ldd 0ce9
936A F6 00 1F ... ldab 001f
936D C4 02 .. andb #02
936F 27 1F '. beq 1f
-9371 BD 97 E9 ... jsr 97e9 ;jump147
+9371 BD 97 E9 ... jsr 97e9 ;jump147 - print the report
9374 CE 00 1F ... ldx #001f
9377 1D 00 02 ... bclr 00,x, #02
937A CE 00 1F ... ldx #001f
9551 CC B0 B8 ... ldd #b0b8 ; "SELECTION?"
9554 BD C0 BA ... jsr c0ba ;display:
9557 CE 00 19 ... ldx #0019
-955A 1D 00 .. bclr add,x 00,x
-955C 80 CE .. suba #ce
-955E 00 . test
-955F 1D 1D 00 ... bclr 1d,x, #00
-9562 80 7F .. suba #7f
-9564 00 . test
-9565 54 T lsrb
+955A 1D 00 80 .. bclr 00,x, #80
+955D CE 00 1D .. ldx #001d
+9560 1D 00 80 ... bclr 00,x, #80
+9562 7F 00 54 .. clr 0054
9566 C6 32 .2 ldab #32
9568 F7 00 3A ..: stab 003a
956B F6 00 0A ... ldab 000a
95DF F7 00 3A ..: stab 003a
95E2 20 09 . bra 09
95E4 CE 00 19 ... ldx #0019
-95E7 1C 00 .. bset add,x 00,x
-95E9 80 7F .. suba #7f
-95EB 00 . test
-95EC 3A : abx
+95E7 1C 00 80 .. bset 00,x, #80
+95E9 7F 00 3A .. clr 003a
95ED BD BE 01 ... jsr be01 ;jump70
95F0 7C 00 54 |.T inc 0054
95F3 F6 00 54 ..T ldab 0054
9623 26 21 &! bne 21
9625 BD D3 11 ... jsr d311 ;jump30 - test position exists
9628 83 00 00 ... subd #0000
-962B 26 0B &. bne 0b
+962B 26 0B &. bne 0b ; to 9638
962D CE 00 1F ... ldx #001f
-9630 1C 00 40 ... bset 00,x, #40
-9633 BD 8C 73 ..s jsr 8c73 ;jump75
-9636 20 06 . bra 06
+9630 1C 00 40 ... bset 00,x, #40 ; denotes an invalid slot or unmarked price? (fills display with XXX.XX)
+9633 BD 8C 73 ..s jsr 8c73 ;jump75 - fetch slot info
+9636 20 06 . bra 06 ; to 963e
9638 CE 00 1F ... ldx #001f
963B 1D 00 40 ... bclr 00,x, #40
963E 7F 00 2C .., clr 002c
-9641 BD 9A 47 ..G jsr 9a47 ;jump39
+9641 BD 9A 47 ..G jsr 9a47 ;jump39 - display price on screen
9644 20 0C . bra 0c
9646 CE 00 1D ... ldx #001d
-9649 1D 00 .. bclr add,x 00,x
-964B 80 CE .. suba #ce
-964D 00 . test
-964E 19 . daa
-964F 1C 00 .. bset add,x 00,x
-9651 80 20 . suba #20
-9653 06 . tap
+9649 1D 00 80 .. bclr 00,x, #80
+964C CE 00 19 .. ldx #0019
+964F 1C 00 80 .. bset 00,x, #80
+9652 20 06 . bra 06
9654 CE 00 1D ... ldx #001d
-9657 1D 00 .. bclr add,x 00,x
-9659 80 20 . suba #20
-; 965a goto93
-965B 2B F6 +. bmi f6
-; 965C
-;goto16
-965D 00 . test
-965E 1D 2C ., bclr add,x 2c,x
-9660 26 BD &. bne bd
-9662 D2 13 83 ... sbcb 13
-9665 00 . test
-9666 00 . test
+9657 1D 00 80 .. bclr 00,x, #80
+goto93:
+965A 20 2B . bra 2b
+goto16:
+965C F6 00 1D +. ldab 001d
+965F 2C 26 ., bge 26
+9661 BD D2 13 &. jsr d213 ;jump45 - vend it!
+9664 83 00 00 ... subd #0000
9667 26 0F &. bne 0f
9669 CC 00 64 ..d ldd #0064
966C BD E5 71 ..q jsr e571 ;msdelay
966F BD E5 D1 ... jsr e5d1 ;jump52 - triple beep
-9672 CC 03 84 ... ldd #0384
+9672 CC 03 84 ... ldd #0384 ; 900
9675 BD E5 71 ..q jsr e571 ;msdelay
9678 7F 00 2E ... clr 002e
967B CE 00 1D ... ldx #001d
-967E 1D 00 .. bclr add,x 00,x
-9680 80 CE .. suba #ce
-9682 00 . test
-9683 1F 1C 00 02 .... brclr 1c,x 00 02
+967E 1D 00 80 .. bclr 00,x, #80
+9680 CE 00 1F .. ldx #001f
+9683 1C 00 02 ... bset 00,x #02
9687 39 9 rts
jump148:
9701 C1 63 .c cmpb #63
9703 26 03 &. bne 03
9705 7F 00 2C .., clr 002c
-9708 BD D2 13 ... jsr d213 ;jump45
+9708 BD D2 13 ... jsr d213 ;jump45 - vend it!
970B 83 00 00 ... subd #0000
970E 27 03 '. beq 03
9710 7C 00 05 |.. inc 0005
97E9 BD BE 4B ..K jsr be4b ;displayblank
97EC CC AF E7 ... ldd #afe7 ; "-PRINTING-"
97EF BD C0 BA ... jsr c0ba ;display:
-97F2 BD F4 15 ... jsr f415 ;jump112
+97F2 BD F4 15 ... jsr f415 ;jump112 - print a report
97F5 39 9 rts
jump27:
9A46 39 9 rts
jump39:
+; write a slot, price, etc to screen.
9A47 BD BE 4B ..K jsr be4b ;displayblank
9A4A F6 00 06 ... ldab 0006
9A4D 4F O clra
9A5F F7 0B 97 ... stab 0b97
9A62 F6 00 1F ... ldab 001f
9A65 C4 40 .@ andb #40
-9A67 27 45 'E beq 45
+9A67 27 45 'E beq 45 ; to 9aae
9A69 FC 00 27 ..' ldd 0027
9A6C BD E7 45 ..E jsr e745 ;jump55 - number to string
9A6F F6 00 5A ..Z ldab 005a
9A87 F6 00 19 ... ldab 0019
9A8A C4 10 .. andb #10
9A8C 27 07 '. beq 07
-9A8E C6 2A .* ldab #2a
+9A8E C6 2A .* ldab #2a ; '*'
9A90 F7 0B 92 ... stab 0b92
9A93 20 05 . bra 05
9A95 C6 20 . ldab #20
9AA3 F7 0B 91 ... stab 0b91
9AA6 F6 00 5F .._ ldab 005f
9AA9 F7 0B 90 ... stab 0b90
-9AAC 20 1E . bra 1e
-9AAE C6 58 .X ldab #58 : "X"
+9AAC 20 1E . bra 1e ; to 9acc
+;
+9AAE C6 58 .X ldab #58 ; "X"
9AB0 F7 0B 96 ... stab 0b96
-9AB3 C6 58 .X ldab #58 : "X"
+9AB3 C6 58 .X ldab #58 ; "X"
9AB5 F7 0B 95 ... stab 0b95
-9AB8 C6 58 .X ldab #58 : "X"
+9AB8 C6 58 .X ldab #58 ; "X"
9ABA F7 0B 94 ... stab 0b94
-9ABD C6 58 .X ldab #58 : "X"
+9ABD C6 58 .X ldab #58 ; "X"
9ABF F7 0B 93 ... stab 0b93
-9AC2 C6 58 .X ldab #58 : "X"
+9AC2 C6 58 .X ldab #58 ; "X"
9AC4 F7 0B 91 ... stab 0b91
-9AC7 C6 58 .X ldab #58 : "X"
+9AC7 C6 58 .X ldab #58 ; "X"
9AC9 F7 0B 90 ... stab 0b90
+;
9ACC F6 00 13 ... ldab 0013
9ACF C1 01 .. cmpb #01
-9AD1 23 4C #L bls 4c
+9AD1 23 4C #L bls 4c ; to 9b1f
9AD3 F6 0B 91 ... ldab 0b91
9AD6 F7 0B 90 ... stab 0b90
9AD9 F6 0B 92 ... ldab 0b92
9AF0 26 07 &. bne 07
9AF2 C6 2E .. ldab #2e ; "."
9AF4 F7 0B 94 ... stab 0b94
-9AF7 20 26 & bra 26
+9AF7 20 26 & bra 26 ; to 9b1f
9AF9 C1 04 .. cmpb #04
9AFB 26 0D &. bne 0d
9AFD F6 0B 95 ... ldab 0b95
9B17 F7 0B 95 ... stab 0b95
9B1A C6 2E .. ldab #2e
9B1C F7 0B 96 ... stab 0b96
+;
9B1F F6 00 2C .., ldab 002c
9B22 26 3E &> bne 3e
9B24 BD BE 69 ..i jsr be69 ;displayreset
+95EB 00 . test
+95EC 3A : abx
9B27 F6 00 13 ... ldab 0013
9B2A C1 01 .. cmpb #01
9B2C 23 2C #, bls 2c
9B47 20 0B . bra 0b
9B49 CE 00 01 ... ldx #0001
9B4C 3C < pshx
-9B4D CC 00 58 ..X ldd #0058
+9B4D CC 00 58 ..X ldd #0058 ; 'X'
9B50 BD BD B5 ... jsr bdb5 ;jump78
9B53 38 8 pulx
9B54 CE 10 28 ..( ldx #1028
9C18 F6 00 48 ..H ldab 0048
9C1B 4F O clra
9C1C BD FE 16 ... jsr fe16 ;jump2
-9C1F 00 . test
-9C20 00 . test
-9C21 00 . test
-9C22 0A . clv
-9C23 9D 29 9C .). jsr 29
-9C26 3B ; rti
-9C27 9C 53 9C .S. cmpx 53
-9C2A 6B k illegal
-9C2B 9C 83 9C ... cmpx 83
-9C2E 9B 9C B2 ... adda 9c
-9C31 9C C9 9C ... cmpx c9
-9C34 E0 9C .. subb 9c,x
-9C36 F7 9D 0E ... stab 9d0e
-9C39 9D 23 F6 .#. jsr 23
-9C3C 00 . test
-9C3D 67 C4 g. asr c4,x
-9C3F 02 . idiv
+9C1F 00 00 00 0A . 0..10
+9C23 9D 29 .). ;
+9C25 9C 3B ; ;
+9C27 9C 53 .S. ;
+9C29 9C 6B k ;
+9C2B 9C 83 ... ;
+9C2D 9C 9B ... ;
+9C2F 9C B2 ... ;
+9C31 9C C9 ... ;
+9C33 9C E0 ... ;
+9C35 9C F7 .. ;
+9C37 9D 0E ... ;
+9C39 9D 23 .#. ;
+9C3B F6 00 67 . ldab 0067
+9C3D C4 02 g. andb #02
9C40 27 08 '. beq 08
9C42 CC AF 00 ... ldd #af00 ; "LNK MSTR Y"
9C45 BD C0 BA ... jsr c0ba ;display:
9C4A CC AF 0B ... ldd #af0b ; "LNK MSTR N"
9C4D BD C0 BA ... jsr c0ba ;display:
9C50 7E 9D 29 ~.) jmp 9d29 ;goto18
+;
9C53 F6 00 67 ..g ldab 0067
9C56 C4 10 .. andb #10
9C58 27 08 '. beq 08
9C62 CC AF 4D ..M ldd #af4d ; "PRC HOLD N"
9C65 BD C0 BA ... jsr c0ba ;display:
9C68 7E 9D 29 ~.) jmp 9d29 ;goto18
+;
9C6B F6 00 67 ..g ldab 0067
9C6E C4 20 . andb #20
9C70 27 08 '. beq 08
9C7A CC AF 63 ..c ldd #af63 ; "PRC DISP N"
9C7D BD C0 BA ... jsr c0ba ;display:
9C80 7E 9D 29 ~.) jmp 9d29 ;goto18
+;
9C83 F6 00 67 ..g ldab 0067
9C86 C4 01 .. andb #01
9C88 27 08 '. beq 08
9D77 F7 0B 90 ... stab 0b90
9D7A BD BE 01 ... jsr be01 ;jump70
9D7D 39 9 rts
-
+;
9D7E BD BE 4B ..K jsr be4b ;displayblank
9D81 F6 00 60 ..` ldab 0060
9D84 4F O clra
9E88 39 9 rts
jump100:
+; print out information to display
9E89 BD BE 4B ..K jsr be4b ;displayblank
9E8C F6 00 48 ..H ldab 0048
9E8F 4F O clra
9E90 BD FE 16 ... jsr fe16 ;jump2
-9E93 00 . test
-9E94 01 . nop
-9E95 00 . test
-9E96 2D A1 -. blt a1
-9E98 C4 9E .. andb #9e
-9E9A F5 9E FE ... bitb 9efe
-9E9D 9F 07 9F ... sts 07
-9EA0 10 . sba
-9EA1 9F 19 9F ... sts 19
-9EA4 3B ; rti
-9EA5 9F 44 9F .D. sts 44
-9EA8 52 R illegal
-9EA9 9F 5B 9F .[. sts 5b
-9EAC 69 i rol
-9EAD 9F 72 9F .r. sts 72
-9EB0 80 9F .. suba #9f
-9EB2 89 9F .. adca #9f
-9EB4 97 9F A0 ... staa 9f
-9EB7 9F AE 9F ... sts ae
-9EBA B7 9F C5 ... staa 9fc5
-9EBD 9F DD 9F ... sts dd
-9EC0 EB A0 .. addb a0,x
-9EC2 03 . fdiv
-9EC3 A0 11 .. suba 11,x
-9EC5 A0 29 .) suba 29,x
-9EC7 A0 37 .7 suba 37,x
-9EC9 A0 54 .T suba 54,x
-9ECB A0 62 .b suba 62,x
-9ECD A0 7F .. suba 7f,x
-9ECF A0 8D .. suba 8d,x
-9ED1 A0 96 .. suba 96,x
-9ED3 A0 A4 .. suba a4,x
-9ED5 A0 AD .. suba ad,x
-9ED7 A0 BC .. suba bc,x
-9ED9 A0 C5 .. suba c5,x
-9EDB A0 D4 .. suba d4,x
-9EDD A0 DD .. suba dd,x
-9EDF A0 EC .. suba ec,x
-9EE1 A0 F5 .. suba f5,x
-9EE3 A1 04 .. cmpa 04,x
-9EE5 A1 26 .& cmpa 26,x
-9EE7 A1 34 .4 cmpa 34,x
-9EE9 A1 55 .U cmpa 55,x
-9EEB A1 62 .b cmpa 62,x
-9EED A1 83 .. cmpa 83,x
-9EEF A1 90 .. cmpa 90,x
-9EF1 A1 B1 .. cmpa b1,x
-9EF3 A1 BE .. cmpa be,x
+9E93 00 01 00 2D . ; 45 choices here
+9E97 A1 C4 -. ;
+9E99 9E F5 .. ;
+9E9B 9E FE .. ;
+9E9D 9F 07 .. ;
+9E9F 9F 10 .. ;
+9EA1 9F 19 .. ;
+9EA3 9F 3B ;. ;
+9EA5 9F 44 .D. ;
+9EA7 9F 52 R ;
+9EA9 9F 5B .[. ;
+9EAB 9F 69 i ;
+9EAD 9F 72 .r. ;
+9EBF 9F 80 .. ;
+9EB1 9F 89 .. ;
+9EB3 9F 97 .. ;
+9EB5 9F A0 ... ;
+9EB7 9F AE .. ;
+9EB9 9F B7 ... ;
+9EBB 9F C5 ... ;
+9EBD 9F DD ... ;
+9EBF 9F EB .. ;
+9EC1 A0 03 . ;
+9EC3 A0 11 .. ;
+9EC5 A0 29 .) ;
+9EC7 A0 37 .7 ;
+9EC9 A0 54 .T ;
+9ECB A0 62 .b ;
+9ECD A0 7F .. ;
+9ECF A0 8D .. ;
+9ED1 A0 96 .. ;
+9ED3 A0 A4 .. ;
+9ED5 A0 AD .. ;
+9ED7 A0 BC .. ;
+9ED9 A0 C5 .. ;
+9EDB A0 D4 .. ;
+9EDD A0 DD .. ;
+9EDF A0 EC .. ;
+9EE1 A0 F5 .. ;
+9EE3 A1 04 .. ;
+9EE5 A1 26 .& ;
+9EE7 A1 34 .4 ;
+9EE9 A1 55 .U ;
+9EEB A1 62 .b ;
+9EED A1 83 .. ;
+9EEF A1 90 .. ;
+9EF1 A1 B1 .. ;
+9EF3 A1 BE .. ;
9EF5 CC B2 90 ... ldd #b290 ; "SERIAL #"
9EF8 BD C0 BA ... jsr c0ba ;display:
9EFB 7E A1 C4 ~.. jmp a1c4 ;goto19
9F10 CC 0C CC ... ldd #0ccc ; machine id?
9F13 BD C0 BA ... jsr c0ba ;display:
9F16 7E A1 C4 ~.. jmp a1c4 ;goto19
-9F19 C6 41 .A ldab #41
+9F19 C6 41 .A ldab #41 ; "A"
9F1B F7 0B 99 ... stab 0b99
-9F1E C6 55 .U ldab #55
+9F1E C6 55 .U ldab #55 ; "U"
9F20 F7 0B 98 ... stab 0b98
-9F23 C6 44 .D ldab #44
+9F23 C6 44 .D ldab #44 ; "D"
9F25 F7 0B 97 ... stab 0b97
-9F28 C6 54 .T ldab #54
+9F28 C6 54 .T ldab #54 ; "T"
9F2A F7 0B 96 ... stab 0b96
9F2D CE 00 00 ... ldx #0000
9F30 3C < pshx
A0CD BD A3 1A ... jsr a31a ;jump93
A0D0 38 8 pulx
A0D1 7E A1 C4 ~.. jmp a1c4 ;goto19
-A0D4 CC B3 F2 ... ldd #b3f2
+A0D4 CC B3 F2 ... ldd #b3f2 ; "DIMES"
A0D7 BD C0 BA ... jsr c0ba ;display:
A0DA 7E A1 C4 ~.. jmp a1c4 ;goto19
A0DD FE 0C ED ... ldx 0ced
A0E5 BD A3 1A ... jsr a31a ;jump93
A0E8 38 8 pulx
A0E9 7E A1 C4 ~.. jmp a1c4 ;goto19
-A0EC CC B4 04 ... ldd #b404
+A0EC CC B4 04 ... ldd #b404 ; "NICKELS"
A0EF BD C0 BA ... jsr c0ba ;display:
A0F2 7E A1 C4 ~.. jmp a1c4 ;goto19
A0F5 FE 0C EF ... ldx 0cef
A258 BD C0 BA ... jsr c0ba ;display:
A25B 39 9 rts
-jump82:
+bigmodulus:
A25C 37 7 pshb
A25D 36 6 psha
A25E F6 00 2C .., ldab 002c
A2D3 39 9 rts
jump79:
+; displays a price on screen?
A2D4 37 7 pshb
A2D5 36 6 psha
A2D6 30 0 tsx
A2FD 27 14 '. beq 14
A2FF F6 00 17 ... ldab 0017
A302 C4 08 .. andb #08
-A304 26 05 &. bne 05
-A306 C6 24 .$ ldab #24
+A304 26 05 &. bne 05 ; to a30b
+A306 C6 24 .$ ldab #24 ; "$"
A308 F7 0B 95 ... stab 0b95
A30B CC 00 01 ... ldd #0001
-A30E BD A2 5C ..\ jsr a25c ;jump82
-A311 20 05 . bra 05
+A30E BD A2 5C ..\ jsr a25c ;bigmodulus
+A311 20 05 . bra 05 ; return
A313 5F _ clrb
A314 4F O clra
-A315 BD A2 5C ..\ jsr a25c ;jump82
+A315 BD A2 5C ..\ jsr a25c ;bigmodulus
A318 38 8 pulx
A319 39 9 rts
jump93:
+; write number to display
A31A 37 7 pshb
A31B 36 6 psha
A31C 30 0 tsx
A348 37 7 pshb
A349 36 6 psha
A34A EC 02 .. ldd 02,x
-A34C BD E6 21 ..! jsr e621 ;jump56
+A34C BD E6 21 ..! jsr e621 ;jump56 - write to display
A34F 38 8 pulx
-A350 C6 20 . ldab #20
+A350 C6 20 . ldab #20 ; " "
A352 F7 0B 99 ... stab 0b99
A355 F6 00 17 ... ldab 0017
A358 C4 08 .. andb #08
A35A 26 05 &. bne 05
-A35C C6 24 .$ ldab #24
+A35C C6 24 .$ ldab #24 ; "$"
A35E F7 0B 98 ... stab 0b98
A361 CC 00 01 ... ldd #0001
-A364 BD A2 5C ..\ jsr a25c ;jump82
+A364 BD A2 5C ..\ jsr a25c ;bigmodulus
A367 38 8 pulx
A368 31 1 ins
A369 31 1 ins
A458 39 9 rts
jump110:
+; some sort of defaults setting loading? plays with 0067 an awful lot
A459 3C < pshx
A45A F6 00 67 ..g ldab 0067
A45D C4 02 .. andb #02
A75F F6 00 48 ..H ldab 0048
A762 4F O clra
A763 BD FE 16 ... jsr fe16 ;jump2
-A766 00 . test
-A767 00 . test
-A768 00 . test
-A769 09 . dex
-A76A A7 DC .. staa dc,x
-A76C A7 80 .. staa 80,x
-A76E A7 87 .. staa 87,x
-A770 A7 8E .. staa 8e,x
-A772 A7 95 .. staa 95,x
-A774 A7 9C .. staa 9c,x
-A776 A7 A3 .. staa a3,x
-A778 A7 AA .. staa aa,x
-A77A A7 B1 .. staa b1,x
-A77C A7 C4 .. staa c4,x
-A77E A7 D7 .. staa d7,x
+A766 00 00 00 09 . test
+A76A A7 DC .. ;
+A76C A7 80 .. ;
+A76E A7 87 .. ;
+A770 A7 8E .. ;
+A772 A7 95 .. ;
+A774 A7 9C .. ;
+A776 A7 A3 .. ;
+A778 A7 AA .. ;
+A77A A7 B1 .. ;
+A77C A7 C4 .. ;
+A77E A7 D7 .. ;
+;
A780 C6 02 .. ldab #02
A782 F7 00 02 ... stab 0002
A785 20 55 U bra 55
+;
A787 C6 10 .. ldab #10
A789 F7 00 02 ... stab 0002
A78C 20 4E N bra 4e
A87C 31 1 ins
A87D 2C 0A ,. bge 0a
A87F F6 00 60 ..` ldab 0060
-A882 C1 F9 .. cmpb #f9
+A882 C1 F9 .. cmpb #f9 ; -7
A884 24 03 $. bcc 03
A886 7C 00 60 |.` inc 0060
A889 20 0A . bra 0a
A896 F6 00 36 ..6 ldab 0036
A899 26 39 &9 bne 39
A89B F6 00 54 ..T ldab 0054
-A89E C1 27 .' cmpb #27
+A89E C1 27 .' cmpb #27 ; 39
A8A0 24 20 $ bcc 20
A8A2 7C 00 54 |.T inc 0054
A8A5 F6 00 09 ... ldab 0009
A8A8 C1 01 .. cmpb #01
A8AA 26 0C &. bne 0c
A8AC F6 00 54 ..T ldab 0054
-A8AF C1 27 .' cmpb #27
+A8AF C1 27 .' cmpb #27 ; 39
A8B1 26 03 &. bne 03
A8B3 7F 00 54 ..T clr 0054
A8B6 20 0A . bra 0a
A8B8 F6 00 54 ..T ldab 0054
-A8BB C1 24 .$ cmpb #24
+A8BB C1 24 .$ cmpb #24 ; 36
A8BD 26 03 &. bne 03
A8BF 7F 00 54 ..T clr 0054
A8C2 F6 00 54 ..T ldab 0054
AA09 39 9 rts
jump130:
-AA0A C6 53 .S ldab #53
+AA0A C6 53 .S ldab #53 ; 'S'
AA0C F7 0C B9 ... stab 0cb9
-AA0F C6 29 .) ldab #29
+AA0F C6 29 .) ldab #29 ; ')'
AA11 F7 0C BA ... stab 0cba
-AA14 C6 20 . ldab #20
+AA14 C6 20 . ldab #20 ; ' '
AA16 F7 0C BB ... stab 0cbb
AA19 7F 00 54 ..T clr 0054
AA1C F6 00 54 ..T ldab 0054
AB95 BD D4 79 ..y jsr d479 ;jump67
AB98 BD E8 9A ... jsr e89a ;jump68
AB9B BD E9 EA ... jsr e9ea ;jump113
-AB9E 7F 0B C1 ... clr 0bc1
+AB9E 7F 0B C1 ... clr 0bc1 ; clear all errors
ABA1 39 9 rts
jump8:
AC84 C4 07 .. andb #07
AC86 26 0A &. bne 0a
AC88 F6 0B C1 ... ldab 0bc1
-AC8B C4 7F .. andb #7f
+AC8B C4 7F .. andb #7f ; have errors?
AC8D 26 03 &. bne 03
AC8F 5F _ clrb
AC90 20 02 . bra 02
B91F BD BE 01 ... jsr be01 ;jump70 write to display
B922 C6 0A .. ldab #0a
B924 F7 00 2C .., stab 002c
-B927 7E BA 81 ~.. jmp ba81 ;goto27
+B927 7E BA 81 ~.. jmp ba81 ;goto27 - return
goto25:
B92A F6 0E 6D ..m ldab 0e6d
B92D C1 01 .. cmpb #01
B92F 27 03 '. beq 03
-B931 7E BA 81 ~.. jmp ba81 ;goto27
+B931 7E BA 81 ~.. jmp ba81 ;goto27 - return
B934 F6 0E 00 ... ldab 0e00
B937 C1 05 .. cmpb #05
B939 27 03 '. beq 03
-B93B 7E BA 81 ~.. jmp ba81 ;goto27
+B93B 7E BA 81 ~.. jmp ba81 ;goto27 - return
B93E F6 0E 01 ... ldab 0e01
B941 C1 05 .. cmpb #05
B943 27 03 '. beq 03
-B945 7E BA 81 ~.. jmp ba81 ;goto27
+B945 7E BA 81 ~.. jmp ba81 ;goto27 - return
B948 F6 0E 02 ... ldab 0e02
B94B C1 05 .. cmpb #05
B94D 27 03 '. beq 03
-B94F 7E BA 81 ~.. jmp ba81 ;goto27
+B94F 7E BA 81 ~.. jmp ba81 ;goto27 - return
B952 F6 00 12 ... ldab 0012
B955 C4 20 . andb #20 ; test the door switch
B957 26 03 &. bne 03
-B959 7E BA 81 ~.. jmp ba81 ;goto27
+B959 7E BA 81 ~.. jmp ba81 ;goto27 - return
B95C F6 0E 04 ... ldab 0e04
B95F C1 05 .. cmpb #05
B961 26 79 &y bne 79
B9D1 BD BE 01 ... jsr be01 ;jump70 - display
B9D4 C6 1E .. ldab #1e
B9D6 F7 00 2C .., stab 002c
-B9D9 7E BA 81 ~.. jmp ba81 ;goto27
+B9D9 7E BA 81 ~.. jmp ba81 ;goto27 - return
+;
B9DC F6 0E 04 ... ldab 0e04
B9DF C1 01 .. cmpb #01
B9E1 27 0A '. beq 0a
B9E3 F6 0E 04 ... ldab 0e04
B9E6 C1 02 .. cmpb #02
B9E8 27 03 '. beq 03
-B9EA 7E BA 81 ~.. jmp ba81 ;goto27
+B9EA 7E BA 81 ~.. jmp ba81 ;goto27 - return
+;
B9ED F6 0E 03 ... ldab 0e03
B9F0 C1 00 .. cmpb #00
B9F2 22 03 ". bhi 03
-B9F4 7E BA 81 ~.. jmp ba81 ;goto27
+B9F4 7E BA 81 ~.. jmp ba81 ;goto27 - return
+;
B9F7 F6 0E 03 ... ldab 0e03
B9FA C1 05 .. cmpb #05
B9FC 26 03 &. bne 03
-B9FE 7E BA 81 ~.. jmp ba81 ;goto27
+B9FE 7E BA 81 ~.. jmp ba81 ;goto27 - return
+;
BA01 F6 0E 03 ... ldab 0e03
BA04 C1 07 .. cmpb #07
BA06 24 79 $y bcc 79
jump78:
; start/finish sending a byte to the display
-; stack parameter - 0 to disable clock (finish), 1 to enable clock (start)
+; stack parameter - 0 to disable display clock (for reading keypad), 1 to enable
; lower 8-bits of D - byte to write to display.
; bytes with bit 7 unset are characters (0-127)
; bytes with bit 7 set are control commands.
displayreset:
; Reset the display
-; Clear bit 7 of PortA - display reset
+; Clear bit 7 of PortA - display reset (active low)
BE69 CE 10 00 ... ldx #1000
BE6C 1D 00 80 .. bclr x,#80
BE6F BD E5 96 ... jsr e596 ;jump115 - 100ms delay
-; Clear bit 7 of PortA - reset line back to high (not active)
+; Clear bit 7 of PortA - reset line back to high
BE72 CE 10 00 ... ldx #1000
BE75 1C 00 80 .. bset 00,x, #80
-; set clock polarity
+; set SPI enable
BE78 CE 10 28 ... ldx #1028
BE7B 1C 00 40 ... bset 00,x, #40
BE93 BD BD B5 ... jsr bdb5 ;jump78
BE96 38 8 pulx
-; revert clock polarity
+; revert SPI enable
BE97 CE 10 28 ..( ldx #1028
BE9A 1D 00 40 ... bclr 00,x, #40
BE9D 39 9 rts
jump50:
; writes a slot and price to the screen?
+; writes the slot number iff 0 pushed on to the stack
BE9E 37 7 pshb
BE9F 36 6 psha
BEA0 8D A9 .. bsr a9 ; to be4b - displayblank
BEA2 30 0 tsx
BEA3 E6 05 .. ldab 05,x
-BEA5 26 1B &. bne 1b
+BEA5 26 1B &. bne 1b ; to bec2
BEA7 F6 00 06 ... ldab 0006
BEAA 4F O clra
BEAB CE 00 0A ... ldx #000a
BEBC 02 . idiv
BEBD CB 30 .0 addb #30
BEBF F7 0B 98 ... stab 0b98 ; write slotnumber%10
+;
BEC2 30 0 tsx
BEC3 EC 00 .. ldd 00,x
BEC5 C4 FF .. andb #ff
C0B9 39 9 rts
;Display a string. D points to the string, which is NULL-terminated
-
+;
display:
C0BA 37 7 pshb
C0BB 36 6 psha
C0D6 3C < pshx
C0D7 30 0 tsx
C0D8 EC 02 .. ldd 02,x
-C0DA BD C0 2E ... jsr c02e ;jump71
+C0DA BD C0 2E ... jsr c02e ;jump71 - display
C0DD 38 8 pulx
C0DE 38 8 pulx
C0DF 39 9 rts
C0FB 5F . clrb
C0FC 4F O clra
C0FD 39 9 rts
-
+;
C0FE CE 00 14 ... ldx #0014
C101 1C 00 01 ... bset 00,x, #01
C104 F6 00 14 ... ldab 0014
C10D C4 1F .. andb #1f
C10F 26 03 &. bne 03
C111 7E C3 1B ~.. jmp c31b ;goto34
-C114 C6 14 .. ldab #14
+C114 C6 14 .. ldab #14 ; 20
C116 F7 00 31 ..1 stab 0031
C119 F6 00 15 ... ldab 0015
C11C 2D 15 -. blt 15
C12D 5F _ clrb
C12F 4F O clra
C130 39 9 rts
-
+;
C131 20 E6 . bra e6
C133 FC 00 3E ..> ldd 003e
C136 F3 00 40 ..@ addd 0040
C1F8 38 8 pulx
C1F9 38 8 pulx
C1FA 24 11 $. bcc 11
-C1FC CE 00 C8 ... ldx #00c8
+C1FC CE 00 C8 ... ldx #00c8 ; 200
C1FF 3C < pshx
C200 CC FF 38 ..8 ldd #ff38 ; -200
C203 37 7 pshb
C28F FC 0C FF ... ldd 0cff
C292 37 7 pshb
C293 36 6 psha
-C294 CE FC 18 ... ldx #fc18
+C294 CE FC 18 ... ldx #fc18 ; -1000
C297 3C < pshx
C298 CC 03 E7 ... ldd #03e7
C29B 30 0 tsx
C2A4 38 8 pulx
C2A5 38 8 pulx
C2A6 24 11 $. bcc 11
-C2A8 CE 03 E8 ... ldx #03e8
+C2A8 CE 03 E8 ... ldx #03e8 ; 1000
C2AB 3C < pshx
-C2AC CC FC 18 ... ldd #fc18
+C2AC CC FC 18 ... ldd #fc18 ; -1000
C2AF 37 7 pshb
C2B0 36 6 psha
C2B1 CC 0C FF ... ldd #0cff
C2B8 31 1 ins
C2B9 20 53 S bra 53
C2BB FC 0C E5 ... ldd 0ce5
-C2BE 83 C3 4F ..O subd #c34f
+C2BE 83 C3 4F ..O subd #c34f ; 49999
C2C1 26 05 &. bne 05
C2C3 5F _ clrb
C2C4 4F O clra
C2C8 FE 0C E5 ... ldx 0ce5
C2CB 08 . inx
C2CC FF 0C E5 ... stx 0ce5
-C2CF CE 07 D0 ... ldx #07d0
+C2CF CE 07 D0 ... ldx #07d0 ; 2000
C2D2 3C < pshx
C2D3 CC 00 00 ... ldd #0000
C2D6 37 7 pshb
C2D7 36 6 psha
-C2D8 CC 0D 03 ... ldd #0d03
+C2D8 CC 0D 03 ... ldd #0d03 ; 3331
C2DB BD FB DF ... jsr fbdf ;jump46
C2DE 31 1 ins
C2DF 31 1 ins
C2E4 FC 0D 03 ... ldd 0d03
C2E7 37 7 pshb
C2E8 36 6 psha
-C2E9 CE D9 30 ..0 ldx #d930
+C2E9 CE D9 30 ..0 ldx #d930 ; -9936
C2EC 3C < pshx
-C2ED CC 05 F5 ... ldd #05f5
+C2ED CC 05 F5 ... ldd #05f5 ; 1525
C2F0 30 0 tsx
C2F1 A3 02 .. subd 02,x
C2F3 32 2 pula
C2F9 38 8 pulx
C2FA 38 8 pulx
C2FB 24 11 $. bcc 11
-C2FD CE 26 D0 .&. ldx #26d0
+C2FD CE 26 D0 .&. ldx #26d0 ; 9936
C300 3C < pshx
-C301 CC FA 0A ... ldd #fa0a
+C301 CC FA 0A ... ldd #fa0a ; -1526
C304 37 7 pshb
C305 36 6 psha
-C306 CC 0D 03 ... ldd #0d03
+C306 CC 0D 03 ... ldd #0d03 ; 3331
C309 BD FB DF ... jsr fbdf ;jump46
C30C 31 1 ins
C30D 31 1 ins
C311 2C 02 ,. bge 02
C313 20 F9 . bra f9
C315 CE 00 15 ... ldx #0015
-C318 1D 00 .. bclr add,x 00,x
-C31A 1F CE 00 1D .... brclr ce,x 00 1d
-;goto34
-; c31b???
-C31E 1D 00 .. bclr add,x 00,x
-C320 20 CC . bra cc
-C322 00 . test
-C323 01 . nop
+C318 1D 00 1F .. bclr 00,x, #1f
+goto34:
+C31B CE 00 1D ... ldx #001d
+C31E 1D 00 20 .. bclr 00,x, #20
+C320 CC 00 01 . ldd #0001
C324 39 9 rts
jump64:
+; has a good long chat to the bill validator
C325 F6 10 00 ... ldab 1000
C328 C4 01 .. andb #01
C32A 26 13 &. bne 13
C372 CE 00 15 ... ldx #0015
C375 1C 00 80 .. bset 00,x, #80
C378 CE 0B C1 ... ldx #0bc1
-C37B 1D 00 08 .. bclr 00,x #08
+C37B 1D 00 08 .. bclr 00,x #08 ; clear bill error bit
C37E F6 00 1D ... ldab 001d
C381 C4 20 . andb #20
C383 27 03 '. beq 03
C455 39 9 rts
jump47:
+; coin have something to do with coin counting?
C456 FC 00 40 ..@ ldd 0040
C459 26 03 &. bne 03
-C45B 7E C5 C6 ~.. jmp c5c6 ;goto39
+C45B 7E C5 C6 ~.. jmp c5c6 ;goto39 - unset 0x30 in 0021 & return
C45E CE 00 1A ... ldx #001a
C461 1C 00 01 .. bset 00,x, #01
C464 F6 00 1A ... ldab 001a
C467 F7 30 00 .0. stab 3000 ; changer accept off
-C46A CC 03 E8 ... ldd #03e8
+C46A CC 03 E8 ... ldd #03e8 ; 1000
C46D BD E5 71 ..q jsr e571 ;msdelay
goto42:
C470 FC 00 40 ..@ ldd 0040
C578 4F O clra
C579 FD 00 40 ..@ std 0040
goto41:
-C57C CC 01 2C .., ldd #012c
+C57C CC 01 2C .., ldd #012c ;300 ms
C57F BD E5 71 ..q jsr e571 ;msdelay
C582 F6 00 1B ... ldab 001b
C585 C4 20 . andb #20
C58C 1D 00 01 .. bclr 00,x, #01
C58F F6 00 1A ... ldab 001a
C592 F7 30 00 .0. stab 3000 ; changer accept' low
-C595 CC 00 0C ... ldd #000c
+C595 CC 00 0C ... ldd #000c ; 12 ms
C598 BD E5 71 ..q jsr e571 ;msdelay
C59B CE 00 1A ... ldx #001a
C59E 1C 00 01 .. bset 00,x, #01
C5A4 F7 30 00 .0. stab 3000 ; changer accept' high
C5A7 CC 00 23 ..# ldd #0023
C5AA BD E5 71 ..q jsr e571 ;msdelay
-C5AD 7E C4 70 ~.p jmp c470 ;goto42
+C5AD 7E C4 70 ~.p jmp c470 ;goto42 - loop
goto40:
C5B0 F6 0B C0 ... ldab 0bc0
C5B3 C4 04 .. andb #04
C5C6 CE 00 21 ..! ldx #0021
C5C9 1D 00 10 ... bclr 00,x, #10
C5CC CE 00 1B ... ldx #001b
-C5CF 1D 00 .. bclr add,x 00,x
-C5D1 20 39 9 bra 39
+C5CF 1D 00 .. bclr 00,x, #20
+C5D2 39 . rts
jump6:
C5D3 F6 00 15 ... ldab 0015
jump124:
; chat to changer
C67D F6 00 30 ..0 ldab 0030
-C680 26 55 &U bne 55
+C680 26 55 &U bne 55 ; to c6d7
C682 F6 0B C0 ... ldab 0bc0
-C685 C4 04 .. andb #04
-C687 26 4E &N bne 4e
+C685 C4 04 .. andb #04 ; have a card reader
+C687 26 4E &N bne 4e ; to c6d7
C689 C6 27 .' ldab #27
C68B F7 10 2D ..- stab 102d ; disable SCI transmission
C68E C6 07 .. ldab #07
C69F CC 00 14 ... ldd #0014
C6A2 BD E5 71 ..q jsr e571 ;msdelay
C6A5 F6 0B C0 ... ldab 0bc0
-C6A8 C4 01 .. andb #01
+C6A8 C4 01 .. andb #01 ; have a dumb mech
C6AA 27 06 '. beq 06
C6AC CE 0B C1 ... ldx #0bc1
-C6AF 1C 00 01 ... bset 00,x, #01
+C6AF 1C 00 01 ... bset 00,x, #01 ; set changer powerup error bit
C6B2 F6 0B C0 ... ldab 0bc0
C6B5 C4 04 .. andb #04
C6B7 27 06 '. beq 06
C6B9 CE 0B C1 ... ldx #0bc1
-C6BC 1C 00 02 ... bset 00,x, #02
+C6BC 1C 00 02 ... bset 00,x, #02 ; set card powerup error bit
C6BF CE 00 1A ... ldx #001a
C6C2 1D 00 04 ... bclr 00,x, #04 ; keypad strobe finish
C6C5 F6 00 1A ... ldab 001a
C6D0 C6 1E .. ldab #1e
C6D2 F7 00 35 ..5 stab 0035
C6D5 20 5D ] bra 5d
+;
C6D7 F6 18 00 ... ldab 1800
C6DA 2D 2A -* blt 2a
C6DC F6 00 07 ... ldab 0007
C7BF 39 9 rts
jump49:
-; parity tester. returns 0 if good
+; parity tester. returns 1 if good
C7C0 F6 10 2F ../ ldab 102f ; sci data
C7C3 4F O clra
C7C4 8D CE .. bsr c794 ; parity test?
C7C6 83 00 00 ... subd #0000
C7C9 27 05 '. beq 05
C7CB F6 10 2C .., ldab 102c ; test the 9th bit
-C7CE 2D 10 -. blt 10 ; to c7e0
+C7CE 2D 10 -. blt 10 ; to c7e0 - return 1
+;
C7D0 F6 10 2F ../ ldab 102f ; sci data
C7D3 4F O clra
C7D4 8D BE .. bsr c794 ; parity test?
C7D6 83 00 00 ... subd #0000
-C7D9 26 09 &. bne 09 ; to c7e4
+C7D9 26 09 &. bne 09 ; to c7e4 - return 0
C7DB F6 10 2C .., ldab 102c ; test the 9th bit
C7DE 2D 04 -. blt 04
+;
C7E0 CC 00 01 ... ldd #0001 ; return 1
C7E3 39 9 rts
; return 0
jump37:
C7E7 37 7 pshb
C7E8 36 6 psha
-C7E9 C6 32 .2 ldab #32 ; 50
+C7E9 C6 32 .2 ldab #32 ; 50 00110010
C7EB F7 00 31 ..1 stab 0031
C7EE 30 0 tsx
C7EF E6 01 .. ldab 01,x
sciinterrupt:
C81C 34 4 des
+; make sure this interrupt is valid
C81D F6 0B C0 ... ldab 0bc0
-C820 C4 01 .. andb #01
-C822 26 0A &. bne 0e ; to c82e
+C820 C4 01 .. andb #01 ; do we have a dumb mech?
+C822 26 0A &. bne 0a ; if so, to c82e
+;
C824 F6 0B C0 ... ldab 0bc0
-C827 C4 04 .. andb #04
-C829 26 03 &. bne 03 ; to c82e
-C82B 7E CB FF ~.. jmp cbff ;goto44
+C827 C4 04 .. andb #04 ; do we have a card reader?
+C829 26 03 &. bne 03 ; if so, to c82e
+C82B 7E CB FF ~.. jmp cbff ; else to goto44
+;
C82E C6 96 .. ldab #96 ; 150
-C830 F7 00 30 ..0 stab 0030
+C830 F7 00 30 ..0 stab 0030 ; changer related still?
C833 F6 10 2E ... ldab 102e ; SCI status
C836 C4 02 .. andb #02 ; test for Framing Error
C838 26 0B &. bne 0b ; if so, to c845
C88C C6 04 . andb #04
C88E F7 0C DB ... stab 0cdb
C891 CE 0B C1 ... ldx #0bc1
-C894 1C 00 40 ... bset 00,x, #40 ;endif
+C894 1C 00 40 ... bset 00,x, #40 ; set tube error
+;
C897 F6 00 21 ..! ldab 0021
C89A F4 0B D8 ... andb 0bd8
C89D 27 08 '. beq 08 ; to c8a7
C8B4 C6 04 .. ldab #04
C8B6 F7 0C DA ... stab 0cda
C8B9 CE 0B C1 ... ldx #0bc1
-C8BC 1C 00 40 ... bset 00,x, #40
+C8BC 1C 00 40 ... bset 00,x, #40 ; set tube error
; if 0021 & 0bd9, then set bit 7 of 0017, else unset it.
C8BF F6 00 21 ..! ldab 0021
C8C2 F4 0B D9 ... andb 0bd9
C8DC F7 0C D9 ... stab 0cd9
; set tube error bit
C8DF CE 0B C1 ... ldx #0bc1
-C8E2 1C 00 40 ... bset 00,x, #40
+C8E2 1C 00 40 ... bset 00,x, #40 ; set tube error bit
C8E5 20 31 1 bra 31 ; to c918
;
goto46: ; pulse the send' line of the changer
C945 CE 00 17 ... ldx #0017
C948 1D 00 04 ... bclr 00,x, #04
C94B 7F 00 08 ... clr 0008
-C94E BD CE 48 ..H jsr ce48 ;jump48
+C94E BD CE 48 ..H jsr ce48 ;jump48 - update values?
C951 7F 00 2C .., clr 002c
C954 7E CA 5C ~.\ jmp ca5c ;goto50 - clean exit
;
C9DF F6 10 2F ../ ldab 102f ; read SCI data
C9E2 F7 0B C4 ... stab 0bc4
C9E5 F6 0B C4 ... ldab 0bc4
-C9E8 C1 80 .. cmpb #80
+C9E8 C1 80 .. cmpb #80 ; if == 128
C9EA 26 05 &. bne 05
-C9EC C6 0F .. ldab #0f
+C9EC C6 0F .. ldab #0f ; put 15 => 0bc4
C9EE F7 0B C4 ... stab 0bc4
C9F1 20 66 f bra 66 ;goto51 - inc 0008 & clean exit
;
CA74 C6 01 .. ldab #01
CA76 F7 00 08 ... stab 0008
CA79 CE 0B C1 ... ldx #0bc1
-CA7C 1D 00 01 ... bclr 00,x, #01
+CA7C 1D 00 01 ... bclr 00,x, #01 ; clear card powerup error bit
CA7F 7E CB DA ~.. jmp cbda ;goto48 (clean exit)
;
CA82 F6 10 2F ../ ldab 102f ; read SCI data
CABD CE 00 1B ... ldx #001b
CAC0 1D 00 40 ... bclr 00,x, #40
CAC3 7F 00 25 ..% clr 0025
-CAC6 7E CB 64 ~.d jmp cb64 ;goto53
+CAC6 7E CB 64 ~.d jmp cb64 ;goto53 - cleanup & exit
;
CAC9 F6 00 17 ... ldab 0017
CACC C4 08 .. andb #08
CB7A 27 08 '. beq 08
CB7C CE 00 21 ..! ldx #0021
CB7F 1C 00 10 ... bset 00,x, #10
-CB82 20 56 V bra 56 ; to cbda - cleanup and exit
+CB82 20 56 V bra 56 ;goto48 - cleanup and exit
;
CB84 F6 10 2F ../ ldab 102f ; read SCI data
CB87 C4 EF .. andb #ef ; 11101111
CB89 C1 E3 .. cmpb #e3 ; 11100111
CB8B 26 08 &. bne 08 ; to cb95
CB8D CE 0B C1 ... ldx #0bc1
-CB90 1D 00 02 ... bclr 00,x, #02
-CB93 20 45 E bra 45
+CB90 1D 00 02 ... bclr 00,x, #02 ; clear card powerup error bit
+CB93 20 45 E bra 45 ;goto48 - cleanup and exit
;
+; this could be the coin mech powerup message?
CB95 F6 10 2F ../ ldab 102f ; read SCI data
CB98 C4 EF .. andb #ef ; 11101111
CB9A C1 63 .c cmpb #63 ; 01101110
CB9C 26 1C &. bne 1c ; to cbba
-CB9E CE 0B C1 ... ldx #0bc1
+CB9E CE 0B C1 ... ldx #0bc1 ; clear changer powerup error bit
CBA1 1D 00 01 ... bclr 00,x, #01
CBA4 F6 0B C0 ... ldab 0bc0
-CBA7 C4 01 .. andb #01
-CBA9 27 0D '. beq 0d ; to cbb8
+CBA7 C4 01 .. andb #01 ; do we have a changer?
+CBA9 27 0D '. beq 0d ; to cbb8 - cleanup & exit
CBAB F6 0B C0 ... ldab 0bc0
-CBAE C4 04 .. andb #04
+CBAE C4 04 .. andb #04 ; if we don't have a card reader, we don't have an error reading from it. duh.
CBB0 27 06 '. beq 06 ; to cbb8
CBB2 CE 0B C1 ... ldx #0bc1
-CBB5 1D 00 02 ... bclr 00,x, #02
+CBB5 1D 00 02 ... bclr 00,x, #02 ; clear card powerup error bit
CBB8 20 20 bra 20 ;goto48 - cleanup & exit
;
+; the coin mech is telling us it has a bad sensor
CBBA F6 10 2F ../ ldab 102f ; read SCI data
CBBD C4 EF .. andb #ef ; 11101111
CBBF C1 67 .g cmpb #67 ; 01100111
CBC1 26 08 &. bne 08 ; to cbcb
CBC3 CE 0B C1 ... ldx #0bc1
-CBC6 1C 00 .. bset 00,x, #20
+CBC6 1C 00 .. bset 00,x, #20 ; set bad sensor error bit
CBC9 20 0F bra 0f ;goto48 - cleanup & exit
;
CBCB F6 10 2F ../ ldab 102f ; read SCI data
CBD0 C1 27 .' cmpb #27 ; 00100111
CBD2 26 06 &. bne 06 ;goto48 - cleanup & exit
;
-CBD4 CE 0B C1 ... ldx #0bc1
+CBD4 CE 0B C1 ... ldx #0bc1 ; set coin jam error bit
CBD7 1C 00 10 ... bset 00,x, #10
goto48: ; cleanup and exit
CBDA CE 00 1A ... ldx #001a
CBF9 7F 00 3D ..= clr 003d
CBFC 7E CE 46 ~.F jmp ce46 ;goto47 (exit)
;
+;
+;
+;
+;
+;
+;
+;
+;
+;
+;
+;
+;
+;
+;
+;
+;
goto44:
-CBFF F6 0B C0 ... ldab 0bc0
+CBFF F6 0B C0 ... ldab 0bc0 ; do we have our changer (link master)?
CC02 C4 02 .. andb #02
-CC04 26 03 &. bne 03
-CC06 7E CE 3B ~.; jmp ce3b ;goto54 - swallow 2 bytes & exit
+CC04 26 03 &. bne 03 ; if not, swallow & exit
+CC06 7E CE 3B ~.; jmp ce3b ; goto54 - swallow a byte & exit
+;
CC09 F6 10 2F ../ ldab 102f ; read SCI data
-CC0C C4 E0 .. andb #e0
-CC0E C1 20 . cmpb #20
+CC0C C4 E0 .. andb #e0 ; 11100000
+CC0E C1 20 . cmpb #20 ; 00100000
CC10 27 03 '. beq 03
-CC12 7E CE 3B ~.; jmp ce3b ;goto54 - swallow 2 bytes & exit
-CC15 C6 32 .2 ldab #32 ; 50
+CC12 7E CE 3B ~.; jmp ce3b ;goto54 - swallow a byte & exit
+;
+CC15 C6 32 .2 ldab #32 ; 50 00110010
CC17 F7 00 2F ../ stab 002f
-CC1A CE 00 1B ... ldx #001b
+CC1A CE 00 1B ... ldx #001b ; say we have a link master packet?
CC1D 1C 00 02 ... bset 00,x, #02
CC20 F6 10 2E ... ldab 102e ; SCI status
CC23 C4 02 .. andb #02 ; test for Framing Error
-CC25 26 08 &. bne 08
+CC25 26 08 &. bne 08 ; if not, perform parity test. else to cc2f
CC27 BD C7 C0 ... jsr c7c0 ;jump49 - parity test
CC2A 83 00 00 ... subd #0000
-CC2D 26 0F &. bne 0f ; if failed, to cc3e
+CC2D 26 0F &. bne 0f ; if good, to cc3e
CC2F F6 10 2F ../ ldab 102f ; read SCI data
CC32 30 0 tsx
CC33 E7 00 .. stab 00,x
CC49 BD C7 E7 ... jsr c7e7 ;jump37 - send 0043 to coin mech - retry?
CC4C 7E CE 39 ~.9 jmp ce39 ;goto55 - exit
;
-CC4F F6 00 08 ... ldab 0008
+CC4F F6 00 08 ... ldab 0008 ; already in a packet?
CC52 26 03 &. bne 03
CC54 7E CD 94 ~.. jmp cd94 ;goto56
+;
CC57 F6 10 2F ../ ldab 102f ; read SCI data
-CC5A C4 F0 .. andb #f0
-CC5C C1 20 . cmpb #20
+CC5A C4 F0 .. andb #f0 ; 11110000
+CC5C C1 20 . cmpb #20 ; 00100000 ; 4th bit clear
CC5E 27 03 '. beq 03
CC60 7E CD 94 ~.. jmp cd94 ;goto56
CC63 F6 10 2F ../ ldab 102f ; read SCI data
-CC66 C4 0F .. andb #0f
+CC66 C4 0F .. andb #0f ; place lower nibble (data) onto stack var
CC68 30 0 tsx
CC69 E7 00 .. stab 00,x
CC6B F6 00 08 ... ldab 0008
CC7E CC EE .. ; if 0017 0076+=sp<<16, else 0040+=sp<16, then same as above
CC80 CD 19 .. ; 0baa = sp, then same as above
CC82 CD 21 . ; 0baa = sp<<4, then same as above
-CC83 CD 30 !. ; 0013 = sp, then same as above
-CC85 CD 38 0 ; read byte & #01,
+CC83 CD 30 !. ; 0013 = sp, then same as above - location of dec point?
+CC85 CD 38 0 ; read byte & #01, - have change
;
CC88 F6 00 17 ... ldab 0017
CC8B C4 01 .. andb #01
CD33 F7 00 13 ... stab 0013
CD36 20 42 B bra 42 ; to cd7a - goto57
;
+;
+; coin mech has no change if bit is set (displays EXACT COINS ONLY)
CD38 F6 10 2F ../ ldab 102f ; read SCI data
CD3B C4 01 .. andb #01
CD3D 27 08 '. beq 08 ; to cd47
CD94 F6 10 2F ../ ldab 102f ; read SCI data
CD97 4F O clra
CD98 BD FE 32 ..2 jsr fe32 ;jump25
-CD9B CD B1 00 31 ...1 ; 49 "1"
-CD9F CD DB 00 01 .... ; 50 "2"
-CDA3 CE 20 00 01 . .. ; 51 "3"
-CDA7 CE 28 00 05 .(.. ; 56 "8"
+CD9B CD B1 00 31 ...1 ; 49 "1" 00110001
+CD9F CD DB 00 01 .... ; 50 "2" 00110010
+CDA3 CE 20 00 01 . .. ; 51 "3" 00110011
+CDA7 CE 28 00 05 .(.. ; 56 "8" 00111000
CDAB CE 34 FF C8 .4.. ; 0
CDAF 00 00 .. ; end of array data
+;
+; got 00110001 - "1"
CDB1 F6 00 21 ..! ldab 0021
-CDB4 2C 08 ,. bge 08
+CDB4 2C 08 ,. bge 08 ; something to do with link master price holding
CDB6 CC 00 80 ... ldd #0080
CDB9 BD C7 E7 ... jsr c7e7 ;jump37 - send byte to coin mech
-CDBC 20 1B . bra 1b
+CDBC 20 1B . bra 1b ; to cdd9 - exit
CDBE 5F _ clrb
CDBF 4F O clra
CDC0 BD C7 E7 ... jsr c7e7 ;jump37 - send byte to coin mech
CDC6 C4 08 .. andb #08
CDC8 27 0C '. beq 0c
CDCA F6 0B C0 ... ldab 0bc0
-CDCD C4 10 .. andb #10
+CDCD C4 10 .. andb #10 ; have link master price holding
CDCF 27 05 '. beq 05
CDD1 7C 00 75 |.u inc 0075
CDD4 20 03 . bra 03
CDD6 7F 00 75 ..u clr 0075
-CDD9 20 5E ^ bra 5e
+CDD9 20 5E ^ bra 5e ; to ce39 - exit
+;
+; got 00110001 - "2"
CDDB F6 00 1D ... ldab 001d
CDDE C4 02 .. andb #02
CDE0 27 07 '. beq 07
CDEC BD C7 E7 ... jsr c7e7 ;jump37 - send #fe to coin mech
CDEF F6 00 1F ... ldab 001f
CDF2 C4 08 .. andb #08
-CDF4 27 0A '. beq 0a
+CDF4 27 0A '. beq 0a ; to ce00, to exit
CDF6 F6 0B C0 ... ldab 0bc0
-CDF9 C4 10 .. andb #10
+CDF9 C4 10 .. andb #10 ; have link master price holding
CDFB 27 03 '. beq 03
CDFD 7C 00 75 |.u inc 0075
-CE00 20 1C . bra 1c
+CE00 20 1C . bra 1c ; to ce1e, to ce39, exit
+;
CE02 FC 00 44 ..D ldd 0044
CE05 37 7 pshb
CE06 36 6 psha
CE15 1D 00 08 ... bclr 00,x, #08
CE18 CE 00 1F ... ldx #001f
CE1B 1C 00 08 ... bset 00,x, #08
-CE1E 20 19 . bra 19
+CE1E 20 19 . bra 19 ; to ce39, exit
+;
+; got 00110001 - "3"
CE20 CE 00 1D ... ldx #001d
CE23 1D 00 02 ... bclr 00,x, #02
CE26 20 11 . bra 11
+;
+; got 00110001 - "8"
CE28 C6 01 .. ldab #01
CE2A F7 00 08 ... stab 0008
CE2D 5F _ clrb
CE2E 4F O clra
CE2F BD C7 E7 ... jsr c7e7 ;jump37 - send byte to coin mech
CE32 20 05 . bra 05
+;
CE34 5F _ clrb
CE35 4F O clra
CE36 BD C7 E7 ... jsr c7e7 ;jump37 - send byte to coin mech
goto55:
CE39 20 0B . bra 0b ; to ce46 (exit)
-goto54: ; just swallow two bytes?
+goto54: ; just swallow a byte?
CE3B F6 10 2E ... ldab 102e ; SCI Status
CE3E 30 0 tsx
-CE3F E7 00 .. stab 00,x
+CE3F E7 00 .. stab 00,x ; store into stack variable
CE41 F6 10 2F ../ ldab 102f ; read SCI data
CE44 E7 00 .. stab 00,x
goto47:
;
CE48 F6 0B C4 ... ldab 0bc4
CE4B F1 0B C5 ... cmpb 0bc5
-CE4E 25 53 %S bcs 53
+CE4E 25 53 %S bcs 53 ; if 0bc4 < 0bc5 to cea3
CE50 F6 0B C5 ... ldab 0bc5
CE53 F1 0B C6 ... cmpb 0bc6
-CE56 25 4B %K bcs 4b
+CE56 25 4B %K bcs 4b ; if 0bc5 < 0bc6 to cea3
+; so here we have 0bc6 < 0bc5 < 0bc4
CE58 F6 0B C4 ... ldab 0bc4
CE5B 4F O clra
CE5C C3 0B C7 ... addd #0bc7
CE98 F7 0B DB ... stab 0bdb
CE9B C6 10 .. ldab #10
CE9D F7 0B DC ... stab 0bdc
-CEA0 7E D0 66 ~.f jmp d066 ;goto58 - multiply
+CEA0 7E D0 66 ~.f jmp d066 ;goto58 - multiply & exit
+;
CEA3 F6 0B C4 ... ldab 0bc4
CEA6 F1 0B C6 ... cmpb 0bc6
-CEA9 25 53 %S bcs 53
+CEA9 25 53 %S bcs 53 ; if 0bc4 < 0bc6 to cefe
CEAB F6 0B C6 ... ldab 0bc6
CEAE F1 0B C5 ... cmpb 0bc5
-CEB1 25 4B %K bcs 4b
+CEB1 25 4B %K bcs 4b ; if 0bc6 < 0bc5 to cefe
+; so here we have 0bc5 < 0bc6 < 0bc4
CEB3 F6 0B C4 ... ldab 0bc4
CEB6 4F O clra
CEB7 C3 0B C7 ... addd #0bc7
CEF3 F7 0B DB ... stab 0bdb
CEF6 C6 08 .. ldab #08
CEF8 F7 0B DC ... stab 0bdc
-CEFB 7E D0 66 ~.f jmp d066 ;goto58
+CEFB 7E D0 66 ~.f jmp d066 ;goto58 - multiply and exit
+;
CEFE F6 0B C5 ... ldab 0bc5
CF01 F1 0B C4 ... cmpb 0bc4
-CF04 25 53 %S bcs 53
+CF04 25 53 %S bcs 53 ; if 0bc5 < 0bc4 to cf59
CF06 F6 0B C4 ... ldab 0bc4
CF09 F1 0B C6 ... cmpb 0bc6
-CF0C 25 4B %K bcs 4b
+CF0C 25 4B %K bcs 4b ; if 0bc4 < 0bc6 to cf59
+; so here we have 0bc6 < 0bc4 < 0bc5
CF0E F6 0B C5 ... ldab 0bc5
CF11 4F O clra
CF12 C3 0B C7 ... addd #0bc7
CF4E F7 0B DB ... stab 0bdb
CF51 C6 10 .. ldab #10
CF53 F7 0B DC ... stab 0bdc
-CF56 7E D0 66 ~.f jmp d066 ;goto58
+CF56 7E D0 66 ~.f jmp d066 ;goto58 - multiply and exit
+;
CF59 F6 0B C5 ... ldab 0bc5
CF5C F1 0B C6 ... cmpb 0bc6
-CF5F 25 53 %S bcs 53
+CF5F 25 53 %S bcs 53 ; if 0bc5 < 0bc6 to cfb4
CF61 F6 0B C6 ... ldab 0bc6
CF64 F1 0B C4 ... cmpb 0bc4
-CF67 25 4B %K bcs 4b
+CF67 25 4B %K bcs 4b ; if 0bc6 < 0bc4 to cfb4
+; so here we have 0bc4 < 0bc6 < 0bc5
CF69 F6 0B C5 ... ldab 0bc5
CF6C 4F O clra
CF6D C3 0B C7 ... addd #0bc7
CFA9 F7 0B DB ... stab 0bdb
CFAC C6 20 . ldab #20
CFAE F7 0B DC ... stab 0bdc
-CFB1 7E D0 66 ~.f jmp d066 ;goto58
+CFB1 7E D0 66 ~.f jmp d066 ;goto58 - multiply and exit
+;
CFB4 F6 0B C6 ... ldab 0bc6
CFB7 F1 0B C4 ... cmpb 0bc4
-CFBA 25 52 %R bcs 52
+CFBA 25 52 %R bcs 52 ; if 0bc6 < 0bc4 to d00e
CFBC F6 0B C4 ... ldab 0bc4
CFBF F1 0B C5 ... cmpb 0bc5
-CFC2 25 4A %J bcs 4a
+CFC2 25 4A %J bcs 4a ; if 0bc4 < 0bc5 to d00e
+; so here we have 0bc5 < 0bc4 < 0bc6
CFC4 F6 0B C6 ... ldab 0bc6
CFC7 4F O clra
CFC8 C3 0B C7 ... addd #0bc7
D004 F7 0B DB ... stab 0bdb
D007 C6 08 .. ldab #08
D009 F7 0B DC ... stab 0bdc
-D00C 20 58 X bra 58 ;goto58
+D00C 20 58 X bra 58 ;goto58 - multiply and exit
+;
+; we know that 0bc4 < 0bc5 < 0bc6
D00E F6 0B C6 ... ldab 0bc6
D011 F1 0B C5 ... cmpb 0bc5
D014 25 50 %P bcs 50
D05C C6 08 .. ldab #08
D05E F7 0B DB ... stab 0bdb
D061 C6 20 . ldab #20
-D063 F7 0B DC ... stab 0bdc ;goto58
+D063 F7 0B DC ... stab 0bdc ;goto58 - multiply and exit
+;
goto58:
D066 F6 0B AA ... ldab 0baa
D069 4F O clra
D0CB F7 0B C5 ... stab 0bc5
D0CE C6 02 .. ldab #02
D0D0 F7 0B C6 ... stab 0bc6
-D0D3 CC 00 19 ... ldd #0019
+D0D3 CC 00 19 ... ldd #0019 ; 25
D0D6 FD 0B DD ... std 0bdd
-D0D9 CC 00 0A ... ldd #000a
+D0D9 CC 00 0A ... ldd #000a ; 10
D0DC FD 0B DF ... std 0bdf
-D0DF CC 00 05 ... ldd #0005
+D0DF CC 00 05 ... ldd #0005 ; 5
D0E2 FD 0B E1 ... std 0be1
D0E5 C6 01 .. ldab #01
D0E7 F7 0B D7 ... stab 0bd7
D212 39 9 rts
jump45:
+; dispense an item from slot 0006
D213 F6 00 1F ... ldab 001f
D216 C4 04 .. andb #04
-D218 26 12 &. bne 12
+D218 26 12 &. bne 12 ; to d22c
D21A F6 0B C0 ... ldab 0bc0
-D21D C4 10 .. andb #10
-D21F 26 0B &. bne 0b
+D21D C4 10 .. andb #10 ; have link master price holding
+D21F 26 0B &. bne 0b ; to d22c
D221 CE 00 00 ... ldx #0000
D224 3C < pshx
D225 FC 00 44 ..D ldd 0044
-D228 BD BE 9E ... jsr be9e ;jump50
+D228 BD BE 9E ... jsr be9e ;jump50 - write slot & price to screen?
D22B 38 8 pulx
+;
D22C BD D3 11 ... jsr d311 ;jump30 - test position exists
D22F 83 00 00 ... subd #0000
-D232 27 13 '. beq 13
+D232 27 13 '. beq 13 ; to d247
D234 F6 00 06 ... ldab 0006
-D237 BD D4 68 ..h jsr d468 ;jump51
+D237 BD D4 68 ..h jsr d468 ;jump51 - lookup in 0800 table & and with 8000
D23A 83 00 00 ... subd #0000
D23D 27 05 '. beq 05
-D23F 8D BC .. bsr bc ;jump90
-D241 BD D6 3C ..< jsr d63c ;jump33
+D23F 8D BC .. bsr bc ;jump90 - or entry in 0800 table of slot with #4000
+D241 BD D6 3C ..< jsr d63c ;jump33 - as above, but with #0400
D244 5F _ clrb
D245 4F O clra
D246 39 9 rts
-
+;
D247 BD D1 3D ..= jsr d13d ;jump34 - motor on
-D24A C6 3C .< ldab #3c
+D24A C6 3C .< ldab #3c ; 60
D24C F7 00 2E ... stab 002e
-D24F C6 41 .A ldab #41
+D24F C6 41 .A ldab #41 ; 65
D251 F7 00 31 ..1 stab 0031
D254 CE 00 1B ... ldx #001b
D257 1D 00 08 ... bclr 00,x #08
goto59:
D25A F6 00 1B ... ldab 001b
D25D C4 08 .. andb #08
-D25F 26 22 &" bne 22
+D25F 26 22 &" bne 22 ; to d283
D261 F6 00 2E ... ldab 002e
-D264 C1 35 .5 cmpb #35
+D264 C1 35 .5 cmpb #35 ; 53
D266 23 10 #. bls 10
-D268 BD D5 70 ..p jsr d570 ;jump35
+D268 BD D5 70 ..p jsr d570 ;jump35 - check home sensor departed
D26B 83 00 00 ... subd #0000
-D26E 27 06 '. beq 06
+D26E 27 06 '. beq 06 ; to d276
D270 CE 00 1B ... ldx #001b
D273 1C 00 08 ... bset 00,x, #08
-D276 20 0B . bra 0b
+D276 20 0B . bra 0b ; to d283
+; something went afoul. mark the motor as bad?
D278 BD D1 05 ... jsr d105 ;motors_off
-D27B 8D 80 .. bsr 80 ;jump90
-D27D BD D6 3C ..< jsr d63c ;jump33
+D27B 8D 80 .. bsr 80 ;jump90 - mark motor as faulty?
+D27D BD D6 3C ..< jsr d63c ;jump33 - mark motor as faulty?
D280 5F _ clrb
D281 4F O clra
D282 39 9 rts
-
+;
D283 F6 00 2E ... ldab 002e
-D286 C1 36 .6 cmpb #36
+D286 C1 36 .6 cmpb #36 ; 54
D288 24 56 $V bcc 56 ; to d2e0
-D28A BD D5 F7 ... jsr d5f7 ;jump108
+D28A BD D5 F7 ... jsr d5f7 ;jump108 - check motor overcurrent
D28D 83 00 00 ... subd #0000
D290 27 4E 'N beq 4e ; to d2e0
-D292 BD D5 B0 ... jsr d5b0 ;jump31
+D292 BD D5 B0 ... jsr d5b0 ;jump31 - check home sensor returned
D295 83 00 00 ... subd #0000
D298 27 46 'F beq 46 ; to d2e0
D29A BD D1 05 ... jsr d105 ;motors_off
D29D F6 00 2E ... ldab 002e
-D2A0 C1 32 .2 cmpb #32
-D2A2 22 07 ". bhi 07
-D2A4 8D 6B .k bsr dest 6b
+D2A0 C1 32 .2 cmpb #32 ; 50
+D2A2 22 07 ". bhi 07 ; to d2ab
+D2A4 8D 6B .k bsr 6b ;jump30 - test motor overvoltage?
D2A6 83 00 00 ... subd #0000
-D2A9 27 0C '. beq 0c
+D2A9 27 0C '. beq 0c ; to d2b7
D2AB BD D1 05 ... jsr d105 ;motors_off
-D2AE BD D1 FD ... jsr d1fd ;jump90
-D2B1 BD D6 3C ..< jsr d63c ;jump33
+D2AE BD D1 FD ... jsr d1fd ;jump90 - mark motor as faulty?
+D2B1 BD D6 3C ..< jsr d63c ;jump33 - mark motor as faulty?
D2B4 5F _ clrb
D2B5 4F O clra
D2B6 39 9 rts
-
+;
D2B7 F6 00 06 ... ldab 0006
D2BA 4F O clra
D2BB C3 0E 06 ... addd #0e06
D2DA E7 00 .. stab 00,x
D2DC CC 00 01 ... ldd #0001
D2DF 39 9 rts
-
+;
D2E0 F6 00 2E ... ldab 002e
D2E3 26 14 &. bne 14
-D2E5 BD D5 F7 ... jsr d5f7 ;jump108
+D2E5 BD D5 F7 ... jsr d5f7 ;jump108 - check motor overcurrent status
D2E8 83 00 00 ... subd #0000
D2EB 26 0C &. bne 0c
D2ED BD D1 05 ... jsr d105 ;motors_off
D2F6 5F _ clrb
D2F7 4F O clra
D2F8 39 9 rts
-
+;
D2F9 F6 00 2E ... ldab 002e
D2FC 26 0C &. bne 0c
D2FE BD D1 05 ... jsr d105 ;motors_off
D307 5F _ clrb
D308 4F O clra
D309 39 9 rts
-
-D30A 7E D2 5A ~.Z jmp d25a ;goto59
+;
+D30A 7E D2 5A ~.Z jmp d25a ;goto59 - try again?
D30D BD E6 1B ... jsr e61b ;jump4
D310 39 9 rts
D311 BD D1 3D ..= jsr d13d ;jump34 - motor on
D314 7F 00 1C ... clr 001c
D317 7F 00 18 ... clr 0018
+; loop:
D31A F6 10 0A ... ldab 100a
D31D C4 02 .. andb #02 ; motor overvoltage sense
D31F 27 13 '. beq 13 ; to d334
D321 7C 00 1C |.. inc 001c
D324 F6 00 1C ... ldab 001c
D327 C1 FF .. cmpb #ff
-D329 26 07 &. bne 07
+D329 26 07 &. bne 07 ; continue
D32B BD D1 05 ... jsr d105 ;motors_off
D32E CC 00 01 ... ldd #0001
D331 39 9 rts
D5F6 39 9 rts
jump108:
+; check motor overcurrent status
D5F7 C6 07 .. ldab #07
D5F9 F7 00 1C ... stab 001c
D5FC 7F 00 18 ... clr 0018
;
D5FF F6 00 1C ... ldab 001c
-D602 27 1E '. beq 1e ; to d620
+D602 27 1E '. beq 1e ; to d622
D604 7A 00 1C z.. dec 001c
D607 F6 10 0A ... ldab 100a
-D60A C4 01 .. andb #01
+D60A C4 01 .. andb #01 ; motor overcurrent sense!
D60C 26 12 &. bne 12 ; to d620
D60E C6 07 .. ldab #07
D610 F7 00 1C ... stab 001c
jump107:
D66B F6 0B C0 ... ldab 0bc0
-D66E C4 08 .. andb #08
-D670 27 07 '. beq 07
+D66E C4 08 .. andb #08 ; we have a bill validator?
+D670 27 07 '. beq 07 ; if not, to d679
D672 F6 00 7D ..} ldab 007d
D675 27 02 '. beq 02
-D677 20 F9 . bra f9
+D677 20 F9 . bra f9 ; to d672 - wait for a bill?
D679 F6 00 15 ... ldab 0015
-D67C 2D 77 -w blt 77
+D67C 2D 77 -w blt 77 ; return
D67E FC 00 40 ..@ ldd 0040
D681 F3 00 3E ..> addd 003e
D684 B3 00 0F ... subd 000f
D6F5 39 9 rts
jump106:
+; puts (0cdb+0bdd)+(0cda*0bdf)+(0cd9*0be1) => 0bef
+; calculates how much money we have in some coin mech.
D6F6 F6 0C DB ... ldab 0cdb
D6F9 4F O clra
D6FA 37 7 pshb
D6FB 36 6 psha
D6FC FC 0B DD ... ldd 0bdd
D6FF BD FB BA ... jsr fbba ;jump38 - multiply?
-D702 FD 0C EB ... std 0ceb
+D702 FD 0C EB ... std 0ceb ; 0cdb * 0bdd => 0ceb
D705 F6 0C DA ... ldab 0cda
D708 4F O clra
D709 37 7 pshb
D70A 36 6 psha
D70B FC 0B DF ... ldd 0bdf
D70E BD FB BA ... jsr fbba ;jump38 - multiply?
-D711 FD 0C ED ... std 0ced
+D711 FD 0C ED ... std 0ced ; 0cda * 0bdf => 0ced
D714 F6 0C D9 ... ldab 0cd9
D717 4F O clra
D718 37 7 pshb
D719 36 6 psha
D71A FC 0B E1 ... ldd 0be1
D71D BD FB BA ... jsr fbba ;jump38 - multiply?
-D720 FD 0C EF ... std 0cef
+D720 FD 0C EF ... std 0cef ; 0cd9 * 0be1 => 0cef
D723 FC 0C EB ... ldd 0ceb
D726 F3 0C ED ... addd 0ced
D729 F3 0C EF ... addd 0cef
-D72C FD 0B EF ... std 0bef
+D72C FD 0B EF ... std 0bef ; 0ceb+0ced+0cef => 0bef
D72F 39 9 rts
jump202:
D85D FC 0D EB ... ldd 0deb
D860 37 7 pshb
D861 36 6 psha
-D862 CE E1 00 ... ldx #e100
+D862 CE E1 00 ... ldx #e100 ; 100000000
D865 3C < pshx
D866 CC 05 F5 ... ldd #05f5
D869 37 7 pshb
D8A2 FC 0D E7 ... ldd 0de7
D8A5 37 7 pshb
D8A6 36 6 psha
-D8A7 CE E1 00 ... ldx #e100 ; 57600
+D8A7 CE E1 00 ... ldx #e100 ; 100000000
D8AA 3C < pshx
D8AB CC 05 F5 ... ldd #05f5
D8AE 37 7 pshb
D8BF 25 11 %. bcs 11
D8C1 CE 1F 00 ... ldx #1f00
D8C4 3C < pshx
-D8C5 CC FA 0A ... ldd #fa0a
+D8C5 CC FA 0A ... ldd #fa0a ; -100000000
D8C8 37 7 pshb
D8C9 36 6 psha
D8CA CC 0D E7 ... ldd #0de7
D9D4 4F O clra
D9D5 FD 00 4D ..M std 004d
D9D8 7E DA 63 ~.c jmp da63 ;goto67
-D9DB BD D2 13 ... jsr d213 ;jump45
+D9DB BD D2 13 ... jsr d213 ;jump45 - vend it!
D9DE 83 00 00 ... subd #0000
D9E1 26 0A &. bne 0a
D9E3 7F 00 06 ... clr 0006
DA72 8F . xgdx
DA73 37 7 pshb
DA74 36 6 psha
-DA75 CC 00 C3 ... ldd #00c3
+DA75 CC 00 C3 ... ldd #00c3 ; 195
DA78 BD FB BA ... jsr fbba ;jump38 - multiply?
DA7B B3 0B B9 ... subd 0bb9
DA7E 24 05 $. bcc 05
DA85 FC 0B B9 ... ldd 0bb9
DA88 37 7 pshb
DA89 36 6 psha
-DA8A CC 00 0A ... ldd #000a
+DA8A CC 00 0A ... ldd #000a ; 10
DA8D BD FB BA ... jsr fbba ;jump38 - multiply?
DA90 37 7 pshb
DA91 36 6 psha
DA9D 8F . xgdx
DA9E 37 7 pshb
DA9F 36 6 psha
-DAA0 CC 00 0A ... ldd #000a
+DAA0 CC 00 0A ... ldd #000a ; 10
DAA3 BD FB BA ... jsr fbba ;jump38 - multiply?
DAA6 CE 00 0A ... ldx #000a
DAA9 02 . idiv
DB44 F6 00 2B ..+ ldab 002b
DB47 C1 00 .. cmpb #00
DB49 26 08 &. bne 08
-DB4B CC AC DF ... ldd #acdf
+DB4B CC AC DF ... ldd #acdf ; "CAMBIO"
DB4E BD C0 BA ... jsr c0ba ;display:
DB51 20 1E . bra 1e
DB53 C1 01 .. cmpb #01
DB5D 20 12 . bra 12
DB5F C1 02 .. cmpb #02
DB61 26 08 &. bne 08
-DB63 CC AC EA ... ldd #acea
+DB63 CC AC EA ... ldd #acea ; "MONNAIE"
DB66 BD C0 BA ... jsr c0ba ;display:
DB69 20 06 . bra 06
-DB6B CC AC D4 ... ldd #acd4
+DB6B CC AC D4 ... ldd #acd4 ; "CHANGE"
DB6E BD C0 BA ... jsr c0ba ;display:
+;
DB71 BD D8 D3 ... jsr d8d3 ;jump84 500ms delay
DB74 CE 00 01 ... ldx #0001
DB77 3C < pshx
DCC9 36 6 psha
DCCA CE E1 00 ... ldx #e100
DCCD 3C < pshx
-DCCE CC 05 F5 ... ldd #05f5
+DCCE CC 05 F5 ... ldd #05f5 ; 100000000
DCD1 37 7 pshb
DCD2 36 6 psha
DCD3 30 0 tsx
DE11 F7 00 2C .., stab 002c
DE14 39 9 rts
-dump118:
+jump118:
DE15 F6 00 1B ... ldab 001b
DE18 C4 01 .. andb #01
DE1A 26 03 &. bne 03
-DE1C 7E DE A4 ~.. jmp dea4 ;goto70
+DE1C 7E DE A4 ~.. jmp dea4 ;goto70 - return
DE1F F6 00 06 ... ldab 0006
DE22 4F O clra
DE23 05 . asld
DE2C 27 76 'v beq 76
DE2E F6 00 11 ... ldab 0011
DE31 C4 08 .. andb #08
-DE33 26 33 &3 bne 33
+DE33 26 33 &3 bne 33 ; to de68
DE35 F6 00 06 ... ldab 0006
DE38 F1 0B AF ... cmpb 0baf
-DE3B 27 20 ' beq 20
+DE3B 27 20 ' beq 20 ; to de5d
DE3D F6 00 06 ... ldab 0006
DE40 F1 0B AE ... cmpb 0bae
-DE43 27 18 '. beq 18
+DE43 27 18 '. beq 18 ; to de5d
DE45 F6 00 06 ... ldab 0006
DE48 F1 0B AD ... cmpb 0bad
-DE4B 27 10 '. beq 10
+DE4B 27 10 '. beq 10 ; to de5d
DE4D F6 00 06 ... ldab 0006
DE50 F1 0B AC ... cmpb 0bac
-DE53 27 08 '. beq 08
+DE53 27 08 '. beq 08 ; to de5d
DE55 F6 00 06 ... ldab 0006
DE58 F1 0B AB ... cmpb 0bab
-DE5B 26 0B &. bne 0b
+DE5B 26 0B &. bne 0b ; to de68
+;
DE5D CE 00 1B ... ldx #001b
DE60 1D 00 01 ... bclr 00,x, #01
DE63 7F 00 4F ..O clr 004f
-DE66 20 3C < bra 3c
+DE66 20 3C < bra 3c ; return
+;
DE68 FC 00 44 ..D ldd 0044
DE6B B3 0B B7 ... subd 0bb7
-DE6E 23 2B #+ bls 2b
+DE6E 23 2B #+ bls 2b ; to de99 - return
DE70 FC 00 40 ..@ ldd 0040
DE73 F3 00 3E ..> addd 003e
DE76 37 7 pshb
DE82 A3 00 .. subd 00,x
DE84 31 1 ins
DE85 31 1 ins
-DE86 22 13 ". bhi 13
+DE86 22 13 ". bhi 13 ; to de9b
DE88 FC 0B B7 ... ldd 0bb7
-DE8B 27 0E '. beq 0e
+DE8B 27 0E '. beq 0e ; to de9b
DE8D FC 00 44 ..D ldd 0044
DE90 B3 0B B7 ... subd 0bb7
DE93 F3 00 44 ..D addd 0044
DE96 FD 00 44 ..D std 0044
-DE99 20 09 . bra 09
+DE99 20 09 . bra 09 ; return
+;
DE9B CE 00 1B ... ldx #001b
DE9E 1D 00 01 ... bclr 00,x, #01
DEA1 7F 00 4F ..O clr 004f
DEAC CE 00 12 ... ldx #0012
DEAF 3C < pshx
DEB0 CC AE 7E ..~ ldd #ae7e
-DEB3 BD C0 2E ... jsr c02e ;jump71
+DEB3 BD C0 2E ... jsr c02e ;jump71 - display
DEB6 38 8 pulx
DEB7 20 2D - bra 2d
DEB9 C1 01 .. cmpb #01
DEBD CE 00 0F ... ldx #000f
DEC0 3C < pshx
DEC1 CC AE 6D ..m ldd #ae6d ; something german
-DEC4 BD C0 2E ... jsr c02e ;jump71
+DEC4 BD C0 2E ... jsr c02e ;jump71 - display
DEC7 38 8 pulx
DEC8 20 1C . bra 1c
DECA C1 02 .. cmpb #02
DECE CE 00 10 ... ldx #0010
DED1 3C < pshx
DED2 CC AE 5B ..[ ldd #ae5b ; more german
-DED5 BD C0 2E ... jsr c02e ;jump71
+DED5 BD C0 2E ... jsr c02e ;jump71 - display
DED8 38 8 pulx
DED9 20 0B . bra 0b
DEDB CE 00 15 ... ldx #0015
DEDE 3C < pshx
DEDF CC AE 44 ..D ldd #ae44 ; "MACHINE OUT OF ORDER"
-DEE2 BD C0 2E ... jsr c02e ;jump71
+DEE2 BD C0 2E ... jsr c02e ;jump71 - display
DEE5 38 8 pulx
DEE6 39 9 rts
jump116:
; revolves around coinage
DEE7 F6 0B C0 ... ldab 0bc0
-DEEA C4 01 .. andb #01
-DEEC 26 07 &. bne 07
+DEEA C4 01 .. andb #01 ; have a dumb mech
+DEEC 26 07 &. bne 07 ; to def5
DEEE F6 0B C0 ... ldab 0bc0
-DEF1 C4 04 .. andb #04
-DEF3 27 15 '. beq 15
+DEF1 C4 04 .. andb #04 ; have a card reader
+DEF3 27 15 '. beq 15 ; if not to df0a
+; have dumb mech:
DEF5 C6 FF .. ldab #ff
DEF7 F7 0B BC ... stab 0bbc
DEFA F6 00 15 ... ldab 0015
-DEFD 2D 03 -. blt 03
+DEFD 2D 03 -. blt 03 ; to df02
DEFF BD C6 7D ..} jsr c67d ;jump124 - chat to changer
DF02 BD D6 6B ..k jsr d66b ;jump107 - chat to bill acceptor
DF05 BD DC A3 ... jsr dca3 ;jump29
-DF08 20 25 % bra 25
+DF08 20 25 % bra 25 ; to df2f
+; test the link master?
DF0A F6 0B C0 ... ldab 0bc0
-DF0D C4 02 .. andb #02
-DF0F 27 1E '. beq 1e
+DF0D C4 02 .. andb #02 ;have link master
+DF0F 27 1E '. beq 1e ; to df2f
DF11 F6 00 2F ../ ldab 002f
-DF14 26 19 &. bne 19
+DF14 26 19 &. bne 19 ; to df2f
DF16 F6 00 1B ... ldab 001b
DF19 C4 02 .. andb #02
-DF1B 26 12 &. bne 12
+DF1B 26 12 &. bne 12 ; to df2f
DF1D CC 00 FF ... ldd #00ff
DF20 BD C7 E7 ... jsr c7e7 ;jump37 - send to serial port
DF23 CE 00 1B ... ldx #001b
DF26 1C 00 02 .. bset 00,x, #02
DF29 CE 0B C1 ... ldx #0bc1
-DF2C 1C 00 04 .. bset 00,x, #04
+DF2C 1C 00 04 .. bset 00,x, #04 ; set link powerup error bit
+;
DF2F F6 00 21 ..! ldab 0021
DF32 C4 20 . andb #20
DF34 27 07 '. beq 07
DF42 CE 00 1B ... ldx #001b
DF45 1D 00 01 ... bclr 00,x, #01
DF48 F6 00 25 ..% ldab 0025
-DF4B 26 20 & bne 20
+DF4B 26 20 & bne 20 ; to df6d
DF4D F6 00 1B ... ldab 001b
DF50 C4 40 .@ andb #40
DF52 27 19 '. beq 19
-DF54 BD D6 52 ..R jsr d652 ;jump5
+DF54 BD D6 52 ..R jsr d652 ;jump5 - pulse bill acceptor
DF57 FC 00 40 ..@ ldd 0040
DF5A 26 05 &. bne 05
DF5C FC 00 3E ..> ldd 003e
DF5F 27 03 '. beq 03
-DF61 BD DB 44 ..D jsr db44 ;jump104
-DF64 BD D6 6B ..k jsr d66b ;jump107
+DF61 BD DB 44 ..D jsr db44 ;jump104 - say thanks
+DF64 BD D6 6B ..k jsr d66b ;jump107 - chat to bill validator
DF67 CE 00 1B ... ldx #001b
DF6A 1D 00 40 ... bclr 00,x, #40
+;
DF6D F6 00 2C .., ldab 002c
DF70 27 03 '. beq 03
DF72 7E E0 66 ~.f jmp e066 ;goto71
DF75 F6 00 34 ..4 ldab 0034
-DF78 26 0B &. bne 0b
+DF78 26 0B &. bne 0b ; to df85
DF7A BD BE 69 ..i jsr be69 ;displayreset
-DF7D C6 32 .2 ldab #32
+DF7D C6 32 .2 ldab #32 ; 50
DF7F F7 00 34 ..4 stab 0034
-DF82 7E E0 63 ~.c jmp e063 ;goto72
+DF82 7E E0 63 ~.c jmp e063 ;goto72 - bail
+;
DF85 FC 00 40 ..@ ldd 0040
DF88 26 05 &. bne 05
DF8A FC 00 3E ..> ldd 003e
DF92 3C < pshx
DF93 FC 00 40 ..@ ldd 0040
DF96 F3 00 3E ..> addd 003e
-DF99 BD BE 9E ... jsr be9e ;jump50
+DF99 BD BE 9E ... jsr be9e ;jump50 - write slot & price to screen?
DF9C 38 8 pulx
DF9D C6 05 .. ldab #05
DF9F F7 00 2C .., stab 002c
DFA2 7E E0 63 ~.c jmp e063 ;goto72
+;
DFA5 F6 0C D9 ... ldab 0cd9
DFA8 C1 04 .. cmpb #04
-DFAA 24 07 $. bcc 07
+DFAA 24 07 $. bcc 07 ; to dfb3
DFAC F6 0B C0 ... ldab 0bc0
-DFAF C4 01 .. andb #01
-DFB1 26 07 &. bne 07
+DFAF C4 01 .. andb #01 ; have a dumb mech
+DFB1 26 07 &. bne 07 ; to dfba
DFB3 F6 00 21 ..! ldab 0021
DFB6 C4 40 .@ andb #40
-DFB8 27 43 'C beq 43
+DFB8 27 43 'C beq 43 ; to dffd
+;
DFBA F6 00 2B ..+ ldab 002b
DFBD C1 00 .. cmpb #00
DFBF 26 0D &. bne 0d
DFC1 CE 00 19 ... ldx #0019
DFC4 3C < pshx
DFC5 CC AD E7 ... ldd #ade7 ; "INTRODUZCA"
-DFC8 BD C0 2E ... jsr c02e ;jump71
+DFC8 BD C0 2E ... jsr c02e ;jump71 - display
DFCB 38 8 pulx
DFCC 20 2D - bra 2d
DFCE C1 01 .. cmpb #01
DFD2 CE 00 12 ... ldx #0012
DFD5 3C < pshx
DFD6 CC AD D3 ... ldd #add3 ; "NICT UEBERZAHLEN"
-DFD9 BD C0 2E ... jsr c02e ;jump71
+DFD9 BD C0 2E ... jsr c02e ;jump71 - display
DFDC 38 8 pulx
DFDD 20 1C . bra 1c
DFDF C1 02 .. cmpb #02
DFE3 CE 00 19 ... ldx #0019
DFE6 3C < pshx
DFE7 CC AD B8 ... ldd #adb8 ; "MONNAIE EXACT"
-DFEA BD C0 2E ... jsr c02e ;jump71
+DFEA BD C0 2E ... jsr c02e ;jump71 - display
DFED 38 8 pulx
DFEE 20 0B . bra 0b
DFF0 CE 00 11 ... ldx #0011 ; length of
DFF4 CC AD A5 ... ldd #ada5 ; " EXACT COINS ONLY "
DFF7 BD C0 2E ... jsr c02e ;jump71 - display
DFFA 38 8 pulx
-DFFB 20 66 f bra 66
+DFFB 20 66 f bra 66 ;goto72
+;
DFFD F6 0B C0 ... ldab 0bc0
-E000 C4 08 .. andb #08
-E002 27 52 'R beq 52
+E000 C4 08 .. andb #08 ; have link master price holding
+E002 27 52 'R beq 52 ; to e056
E004 F6 0B C1 ... ldab 0bc1
-E007 C4 08 .. andb #08
+E007 C4 08 .. andb #08 ; test bill error bit
E009 26 08 &. bne 08
E00B FC 0B EF ... ldd 0bef
E00E 83 00 64 ..d subd #0064
E01A CE 00 12 ... ldx #0012
E01D 3C < pshx
E01E CC AE 30 ..0 ldd #ae30 ; "MONEDA UNICAMENTE"
-E021 BD C0 2E ... jsr c02e ;jump71
+E021 BD C0 2E ... jsr c02e ;jump71 - display
E024 38 8 pulx
E025 20 2D - bra 2d
E027 C1 01 .. cmpb #01
E02B CE 00 0B ... ldx #000b
E02E 3C < pshx
E02F CC AE 23 ..# ldd #ae23 ; "NUR MUNZEN"
-E032 BD C0 2E ... jsr c02e ;jump71
+E032 BD C0 2E ... jsr c02e ;jump71 - display
E035 38 8 pulx
E036 20 1C . bra 1c
E038 C1 02 .. cmpb #02
E03C CE 00 12 ... ldx #0012
E03F 3C < pshx
E040 CC AE 0F ... ldd #ae0f ; "MONNAIES SEULEMENT"
-E043 BD C0 2E ... jsr c02e ;jump71
+E043 BD C0 2E ... jsr c02e ;jump71 - display
E046 38 8 pulx
E047 20 0B . bra 0b
E049 CE 00 0B ... ldx #000b
E04C 3C < pshx
E04D CC AE 02 ... ldd #ae02 ; "COINS ONLY"
-E050 BD C0 2E ... jsr c02e ;jump71
+E050 BD C0 2E ... jsr c02e ;jump71 - display
E053 38 8 pulx
E054 20 0D . bra 0d
+;
E056 F6 0B BF ... ldab 0bbf
E059 4F O clra
E05A 37 7 pshb
E05B 36 6 psha
E05C CC 09 93 ... ldd #0993 ; some custom message?
-E05F BD C0 2E ... jsr c02e ;jump71
+E05F BD C0 2E ... jsr c02e ;jump71 - display
E062 38 8 pulx
goto72:
-E063 7E E5 6A ~.j jmp e56a ;goto73
+E063 7E E5 6A ~.j jmp e56a ;goto73 - bail
goto71:
E066 F6 00 06 ... ldab 0006
E069 26 03 &. bne 03
-E06B 7E E5 6A ~.j jmp e56a ;goto73
+E06B 7E E5 6A ~.j jmp e56a ;goto73 - bail
E06E CE 00 1D ... ldx #001d
E071 1C 00 40 ... bset 00,x, #40
E074 BD E7 C7 ... jsr e7c7 ;jump114
E077 F6 00 06 ... ldab 0006
E07A C1 59 .Y cmpb #59 ; 89
E07C 26 06 &. bne 06
-E07E BD DE 09 ... jsr de09 ;jump119
-E081 7E E5 5E ~.^ jmp e55e ;goto74
+E07E BD DE 09 ... jsr de09 ;jump119 - display machine id
+E081 7E E5 5E ~.^ jmp e55e ;goto74 - bail
+;
E084 F6 00 06 ... ldab 0006
E087 BD D4 68 ..h jsr d468 ;jump51
E08A 83 00 00 ... subd #0000
-E08D 27 18 '. beq 18
+E08D 27 18 '. beq 18 ; to e097
+;
E08F BD D5 61 ..a jsr d561 ;jump42
E092 83 00 00 ... subd #0000
-E095 26 10 &. bne 10
+E095 26 10 &. bne 10 ; to e0a7
+;
E097 BD D3 46 ..F jsr d346 ;jump43
E09A 83 00 00 ... subd #0000
E09D 26 08 &. bne 08
E09F BD D7 83 ... jsr d783 ;jump44
E0A2 83 00 00 ... subd #0000
E0A5 27 09 '. beq 09
+;
E0A7 BD E5 D1 ... jsr e5d1 ;jump52 - triple beep
-E0AA BD D8 E9 ... jsr d8e9 ;jump92
-E0AD 7E E5 5E ~.^ jmp e55e ;goto74
+E0AA BD D8 E9 ... jsr d8e9 ;jump92 - "SELECT OTHER ITEM"
+E0AD 7E E5 5E ~.^ jmp e55e ;goto74 - bail
+;
E0B0 F6 00 06 ... ldab 0006
E0B3 4F O clra
E0B4 05 . asld
E0CF 4F O clra
E0D0 FD 00 4D ..M std 004d
E0D3 F6 0B C0 ... ldab 0bc0
-E0D6 2C 05 ,. bge 05
+E0D6 2C 05 ,. bge 05 ; free vend
E0D8 5F _ clrb
E0D9 4F O clra
E0DA FD 00 44 ..D std 0044
+;
E0DD F6 0B C0 ... ldab 0bc0
-E0E0 C4 02 .. andb #02
+E0E0 C4 02 .. andb #02 ; have a link master! (thats us!)
E0E2 26 03 &. bne 03
-E0E4 BD DE 15 ... jsr de15 ;dump118
+E0E4 BD DE 15 ... jsr de15 ;jump118
E0E7 F6 00 11 ... ldab 0011
-E0EA C4 20 . andb #20
-E0EC 26 1A &. bne 1a
+E0EA C4 20 . andb #20 ; win a snack?
+E0EC 26 1A &. bne 1a ;to e108
E0EE F6 0B C0 ... ldab 0bc0
-E0F1 C4 02 .. andb #02
-E0F3 26 13 &. bne 13
+E0F1 C4 02 .. andb #02 ; have a changer
+E0F3 26 13 &. bne 13 ; to e108
E0F5 FC 00 40 ..@ ldd 0040
E0F8 F3 00 3E ..> addd 003e
E0FB B3 00 44 ..D subd 0044
-E0FE 25 08 %. bcs 08
+E0FE 25 08 %. bcs 08 ; to e108
E100 F6 0B C0 ... ldab 0bc0
-E103 2D 03 -. blt 03
+E103 2D 03 -. blt 03 ; no free vend - to e108
E105 BD DA 64 ..d jsr da64 ;jump122
-E108 FC 00 40 ..@ ldd 0040
+;
+E108 FC 00 40 ..@ ldd 0040 ; have sufficient funds?
E10B F3 00 3E ..> addd 003e
E10E B3 00 44 ..D subd 0044
-E111 24 50 $P bcc 50
+E111 24 50 $P bcc 50 ; to e163
E113 F6 0B C0 ... ldab 0bc0
-E116 C4 10 .. andb #10
+E116 C4 10 .. andb #10 ; have link master price holding
E118 26 49 &I bne 49
E11A F6 00 2B ..+ ldab 002b
E11D C1 00 .. cmpb #00
E14A CE 00 00 ... ldx #0000
E14D 3C < pshx
E14E FC 00 44 ..D ldd 0044
-E151 BD BE 9E ... jsr be9e ;jump50
+E151 BD BE 9E ... jsr be9e ;jump50 - write price to screen
E154 38 8 pulx
E155 BD E5 D1 ... jsr e5d1 ;jump52 - triple beep
E158 BD D8 D3 ... jsr d8d3 ;jump84 500ms delay
E15B C6 0C .. ldab #0c
E15D F7 00 2C .., stab 002c
-E160 7E E5 5E ~.^ jmp e55e ;goto74
+E160 7E E5 5E ~.^ jmp e55e ;goto74 - return
+;
E163 F6 0B C0 ... ldab 0bc0
-E166 C4 01 .. andb #01
-E168 26 11 &. bne 11
+E166 C4 01 .. andb #01 ; have a dumb mech
+E168 26 11 &. bne 11 ; to e17b
E16A F6 0B C0 ... ldab 0bc0
-E16D C4 04 .. andb #04
-E16F 26 0A &. bne 0a
+E16D C4 04 .. andb #04 ; have a card reader
+E16F 26 0A &. bne 0a ; to e17b
E171 F6 0B C0 ... ldab 0bc0
-E174 C4 0F .. andb #0f
-E176 27 03 '. beq 03
+E174 C4 0F .. andb #0f ; have any coin input mechanism
+E176 27 03 '. beq 03 ; to e17b
E178 7E E3 35 ~.5 jmp e335 ;goto75
+;
E17B FC 00 40 ..@ ldd 0040
E17E F3 00 3E ..> addd 003e
E181 B3 00 44 ..D subd 0044
-E184 FD 10 16 ... std 1016
+E184 FD 10 16 ... std 1016 ; change required to give?
E187 F6 00 15 ... ldab 0015
E18A C4 01 .. andb #01
-E18C 27 08 '. beq 08
+E18C 27 08 '. beq 08 ; to e196
E18E FC 10 16 ... ldd 1016
-E191 83 00 64 ..d subd #0064
-E194 25 3C %< bcs 3c
+E191 83 00 64 ..d subd #0064 ; 100
+E194 25 3C %< bcs 3c ; to e1d2
E196 F6 00 15 ... ldab 0015
E199 C4 02 .. andb #02
-E19B 27 08 '. beq 08
+E19B 27 08 '. beq 08 ; to e1a5
E19D FC 10 16 ... ldd 1016
-E1A0 83 00 C8 ... subd #00c8
-E1A3 25 2D %- bcs 2d
+E1A0 83 00 C8 ... subd #00c8 ; 200
+E1A3 25 2D %- bcs 2d ; to e1d2
E1A5 F6 00 15 ... ldab 0015
E1A8 C4 04 .. andb #04
-E1AA 27 08 '. beq 08
+E1AA 27 08 '. beq 08 ; to e1b4
E1AC FC 10 16 ... ldd 1016
-E1AF 83 01 F4 ... subd #01f4
-E1B2 25 1E %. bcs 1e
+E1AF 83 01 F4 ... subd #01f4 ; 500
+E1B2 25 1E %. bcs 1e ; to e1d2
E1B4 F6 00 15 ... ldab 0015
E1B7 C4 08 .. andb #08
E1B9 27 08 '. beq 08
E1BB FC 10 16 ... ldd 1016
-E1BE 83 03 E8 ... subd #03e8
-E1C1 25 0F %. bcs 0f
+E1BE 83 03 E8 ... subd #03e8 ; 1000
+E1C1 25 0F %. bcs 0f ; to e1d2
E1C3 F6 00 15 ... ldab 0015
E1C6 C4 10 .. andb #10
-E1C8 27 13 '. beq 13
+E1C8 27 13 '. beq 13 ; to e1dd
E1CA FC 10 16 ... ldd 1016
-E1CD 83 07 D0 ... subd #07d0
-E1D0 24 0B $. bcc 0b
+E1CD 83 07 D0 ... subd #07d0 ; 2000
+E1D0 24 0B $. bcc 0b ; to e1dd
+;
E1D2 BD C0 E0 ... jsr c0e0 ;jump94
E1D5 83 00 00 ... subd #0000
E1D8 26 01 &. bne 01
E1E3 FC 00 40 ..@ ldd 0040
E1E6 B3 00 44 ..D subd 0044
E1E9 F3 00 3E ..> addd 003e
-E1EC FD 00 40 ..@ std 0040
+E1EC FD 00 40 ..@ std 0040 ; credit left
E1EF 5F _ clrb
E1F0 4F O clra
E1F1 FD 00 3E ..> std 003e
E1F4 CE 00 1B ... ldx #001b
E1F7 1C 00 80 .. bset 00,x, #80
-E1F9 BD D2 13 .. jsr d213 ;jump45
+E1F9 BD D2 13 .. jsr d213 ;jump45 - vend it!
E1FC 83 00 00 ... subd #0000
-E200 26 12 &. bne 12
+E200 26 12 &. bne 12 ; to e214
E202 BD E5 D1 ... jsr e5d1 ;jump52 - triple beep
E205 BD D8 E9 ... jsr d8e9 ;jump92 - "SELECT OTHER ITEM"
E208 FC 00 40 ..@ ldd 0040
E214 BD DB CB ... jsr dbcb ;jump121
E217 F6 00 1B ... ldab 001b
E21A C4 20 . andb #20
-E21C 27 45 'E beq 45
+E21C 27 45 'E beq 45 ; to e263
E21E FC 00 44 ..D ldd 0044
E221 37 7 pshb
E222 36 6 psha
E237 36 6 psha
E238 CE E1 00 ... ldx #e100
E23B 3C < pshx
-E23C CC 05 F5 ... ldd #05f5
+E23C CC 05 F5 ... ldd #05f5 ; 100000000 (with above)
E23F 37 7 pshb
E240 36 6 psha
E241 30 0 tsx
E250 25 11 %. bcs 11
E252 CE 1F 00 ... ldx #1f00
E255 3C < pshx
-E256 CC FA 0A ... ldd #fa0a
+E256 CC FA 0A ... ldd #fa0a ; -100000000 (with above)
E259 37 7 pshb
E25A 36 6 psha
E25B CC 0D FB ... ldd #0dfb
-E25E BD FB DF ... jsr fbdf ;jump46
+E25E BD FB DF ... jsr fbdf ;jump46 - update accounting info?
E261 31 1 ins
E262 31 1 ins
+;
E263 F6 0B C0 ... ldab 0bc0
-E266 2C 78 ,x bge 78
+E266 2C 78 ,x bge 78 ; free vend - to e2e0
E268 F6 00 06 ... ldab 0006
E26B 4F O clra
E26C 05 . asld
E281 26 05 &. bne 05
E283 5F _ clrb
E284 4F O clra
-E285 FD 0D 0D ... std 0d0d
+E285 FD 0D 0D ... std 0d0d ; update number of free vends?
E288 FE 0D 0D ... ldx 0d0d
E28B 08 . inx
E28C FF 0D 0D ... stx 0d0d
E2A2 37 7 pshb
E2A3 36 6 psha
E2A4 CC 0D 1B ... ldd #0d1b
-E2A7 BD FB DF ... jsr fbdf ;jump46
+E2A7 BD FB DF ... jsr fbdf ;jump46 - update accounting info?
E2AA 31 1 ins
E2AB 31 1 ins
E2AC FE 0D 1D ... ldx 0d1d
E2B4 36 6 psha
E2B5 CE E1 00 ... ldx #e100
E2B8 3C < pshx
-E2B9 CC 05 F5 ... ldd #05f5
+E2B9 CC 05 F5 ... ldd #05f5 ; 100000000
E2BC 37 7 pshb
E2BD 36 6 psha
E2BE 30 0 tsx
E2CD 25 11 %. bcs 11
E2CF CE 1F 00 ... ldx #1f00
E2D2 3C < pshx
-E2D3 CC FA 0A ... ldd #fa0a
+E2D3 CC FA 0A ... ldd #fa0a ; -100000000
E2D6 37 7 pshb
E2D7 36 6 psha
E2D8 CC 0D 1B ... ldd #0d1b
-E2DB BD FB DF ... jsr fbdf ;jump46
+E2DB BD FB DF ... jsr fbdf ;jump46 - update accounting info?
E2DE 31 1 ins
E2DF 31 1 ins
+;
E2E0 F6 00 11 ... ldab 0011
-E2E3 C4 10 .. andb #10
-E2E5 26 14 &. bne 14
+E2E3 C4 10 .. andb #10 ; multi dip switch
+E2E5 26 14 &. bne 14 ; to e2fb
E2E7 FC 00 40 ..@ ldd 0040
-E2EA 27 0F '. beq 0f
+E2EA 27 0F '. beq 0f ; to e2fb
E2EC FC 00 40 ..@ ldd 0040
E2EF B3 00 50 ..P subd 0050
-E2F2 24 15 $. bcc 15
+E2F2 24 15 $. bcc 15 ; to e309
E2F4 F6 00 11 ... ldab 0011
E2F7 C4 10 .. andb #10
E2F9 26 0E &. bne 0e
-E2FB BD DB 44 ..D jsr db44 ;jump104
+;
+E2FB BD DB 44 ..D jsr db44 ;jump104 - say thanks
E2FE CE 00 1B ... ldx #001b
E301 1D 00 40 ... bclr 00,x, #40
E304 7F 00 25 ..% clr 0025
-E307 20 1A . bra 1a
+E307 20 1A . bra 1a ; to e323
+;
E309 7F 00 2C .., clr 002c
E30C CC 01 F4 ... ldd #01f4
E30F BD E5 71 ..q jsr e571 ;msdelay
-E312 BD E5 AA ... jsr e5aa ;jump12
-E315 BD D8 E9 ... jsr d8e9 ;jump92
+E312 BD E5 AA ... jsr e5aa ;jump12 - beep if keypressed?
+E315 BD D8 E9 ... jsr d8e9 ;jump92 - select other item
E318 CE 00 1B ... ldx #001b
E31B 1C 00 40 ... bset 00,x, #40
E31E C6 0A .. ldab #0a
E320 F7 00 25 ..% stab 0025
+;
E323 BD D7 FF ... jsr d7ff ;jump80
E326 BD D8 40 ..@ jsr d840 ;jump105
goto92:
E329 BD E8 9A ... jsr e89a ;jump68
E32C CE 0B C1 ... ldx #0bc1
-E32F 1D 00 08 ... bclr 00,x, #08
-E332 7E E5 5E ~.^ jmp e55e ;goto74
+E32F 1D 00 08 ... bclr 00,x, #08 ; clear bill error bit
+E332 7E E5 5E ~.^ jmp e55e ;goto74 - bail
goto75:
E335 F6 0B C0 ... ldab 0bc0
-E338 C4 02 .. andb #02
+E338 C4 02 .. andb #02 ; have changer - european link master type!
E33A 26 03 &. bne 03
-E33C 7E E5 5E ~.^ jmp e55e ;goto74
+E33C 7E E5 5E ~.^ jmp e55e ;goto74 - bail
E33F 5F _ clrb
E340 4F O clra
E341 FD 00 76 ..v std 0076
E34A CE 00 17 ... ldx #0017
E34D 1D 00 02 ... bclr 00,x, #02
E350 FC 00 44 ..D ldd 0044
-E353 26 1C &. bne 1c
+E353 26 1C &. bne 1c ; to e371
E355 F6 0B C0 ... ldab 0bc0
-E358 C4 10 .. andb #10
+E358 C4 10 .. andb #10 ; have link master price holding
E35A 26 08 &. bne 08
E35C CE 00 21 ..! ldx #0021
-E35F 1C 00 .. bset add,x 00,x
-E361 80 20 . suba #20
-E363 0B . sev
+E35F 1C 00 80 .. bset 00,x, #80
+E362 20 0B . bra 0b
E364 CE 00 21 ..! ldx #0021
-E367 1D 00 .. bclr add,x 00,x
-E369 80 C6 .. suba #c6
-E36B 05 . asld
+E367 1D 00 80 .. bclr 00,x, #80
+E369 C6 05 .. ldab #05
E36C F7 00 75 ..u stab 0075
-E36F 20 57 W bra 57
+E36F 20 57 W bra 57 ; to e3c8
+;
E371 F6 0B C0 ... ldab 0bc0
-E374 C4 10 .. andb #10
-E376 27 50 'P beq 50
+E374 C4 10 .. andb #10 ; have link master price holding
+E376 27 50 'P beq 50 ; to e3c8
E378 FC 00 40 ..@ ldd 0040
-E37B 26 4B &K bne 4b
+E37B 26 4B &K bne 4b ; to e3c8
E37D F6 0B C0 ... ldab 0bc0
-E380 C4 20 . andb #20
-E382 27 3E '> beq 3e
+E380 C4 20 . andb #20 ; have link master price holding - price display
+E382 27 3E '> beq 3e ; e3c2
E384 CE 00 17 ... ldx #0017
E387 1C 00 01 ... bset 00,x, #01
E38A F6 00 2B ..+ ldab 002b
E3BA CE 00 17 ... ldx #0017
E3BD 1C 00 02 ... bset 00,x, #02
E3C0 20 06 . bra 06
+;
E3C2 CE 00 1F ... ldx #001f
E3C5 1C 00 08 ... bset 00,x, #08
+;
E3C8 CE 00 1D ... ldx #001d
E3CB 1C 00 02 ... bset 00,x, #02
E3CE CE 00 19 ... ldx #0019
E40B CE 00 19 ... ldx #0019
E40E 1D 00 08 ... bclr 00,x, #08
E411 CE 00 1B ... ldx #001b
-E414 1D 00 .. bclr add,x 00,x
-E416 80 CE .. suba #ce
-E418 00 . test
-E419 1D 1D 00 ... bclr 1d,x, #00
-E41C 40 @ nega
+E414 1D 00 80 .. bclr 00,x, #80
+E416 CE 00 1D .. ldx #001d
+E41A 1D 00 40 ... bclr 00,x, #40
E41D CE 00 1D ... ldx #001d
E420 1D 00 02 ... bclr 00,x, #02
E423 CE 00 1F ... ldx #001f
E426 1D 00 08 ... bclr 00,x, #08
E429 CE 00 21 ..! ldx #0021
-E42C 1D 00 .. bclr add,x 00,x
-E42E 80 39 .9 suba #39
+E42C 1D 00 80 .. bclr 00,x, #80
+E42F 39 .9 rts
+;
E430 F6 0B C0 ... ldab 0bc0
-E433 C4 20 . andb #20
+E433 C4 20 . andb #20 ; link master - price display
E435 27 34 '4 beq 34
E437 F6 00 17 ... ldab 0017
E43A C4 01 .. andb #01
E46B 7E E3 DE ~.. jmp e3de ;goto77
goto76:
E46E CE 00 21 ..! ldx #0021
-E471 1D 00 .. bclr add,x 00,x
-E473 80 CE .. suba #ce
-E475 00 . test
-E476 1F 1D 00 08 .... brclr 1d,x 00 08
-E47A BD D2 13 ... jsr d213 ;jump45
+E471 1D 00 80 .. bclr 00,x, #80
+E474 CE 00 1F .. ldx #001f
+E477 1D 00 08 .... bclr 00,x, #08
+E47A BD D2 13 ... jsr d213 ;jump45 - vend it!
E47D 83 00 00 ... subd #0000
E480 26 0F &. bne 0f
E482 CC 00 80 ... ldd #0080
E485 BD C7 E7 ... jsr c7e7 ;jump37 - send to serial port
E488 BD E5 D1 ... jsr e5d1 ;jump52 - triple beep
-E48B BD D8 E9 ... jsr d8e9 ;jump92
-E48E 7E E5 5E ~.^ jmp e55e ;goto74
+E48B BD D8 E9 ... jsr d8e9 ;jump92 - "SELECT OTHER ITEM"
+E48E 7E E5 5E ~.^ jmp e55e ;goto74 - bail
E491 F6 00 2B ..+ ldab 002b
E494 C1 00 .. cmpb #00
E496 26 08 &. bne 08
E4CD 4F O clra
E4CE BD C7 E7 ... jsr c7e7 ;jump37 - send to serial port
E4D1 F6 0B C0 ... ldab 0bc0
-E4D4 2D 03 -. blt 03
-E4D6 7E E5 58 ~.X jmp e558 ;goto78
+E4D4 2D 03 -. blt 03 ; free vend
+E4D6 7E E5 58 ~.X jmp e558 ;goto78 if not
E4D9 F6 0B C0 ... ldab 0bc0
-E4DC C4 10 .. andb #10
+E4DC C4 10 .. andb #10 ; link master - price holding
E4DE 26 78 &x bne 78
E4E0 F6 00 06 ... ldab 0006
E4E3 4F O clra
E561 7F 00 2E ... clr 002e
E564 CE 00 1B ... ldx #001b
E567 1D 00 80 .. bclr 00,x, #80
-;goto73
+goto73:
E56A CE 00 1D ... ldx #001d
E56C 1D 00 40 .. bclr 00,x, #40
E570 39 9 rts
E5C3 27 06 '. beq 06 ; to e5cb
E5C5 CC 02 33 ..3 ldd #0233
E5C8 FD 00 3B ..; std 003b
-E5CB C6 02 .. ldab #02
+E5CB C6 02 .. ldab #02 ; make a beep
E5CD F7 00 33 ..3 stab 0033
E5D0 39 9 rts
E620 39 9 rts
jump56:
+; writes a really big number to the display
E621 38 8 pulx
E622 37 7 pshb
E623 36 6 psha
E62D EC 02 .. ldd 02,x
E62F 37 7 pshb
E630 36 6 psha
-E631 CE 96 80 ... ldx #9680
+E631 CE 96 80 ... ldx #9680 ;38528
E634 3C < pshx
-E635 CC 00 98 ... ldd #0098
-E638 BD FC 4C ..L jsr fc4c ;jump83
+E635 CC 00 98 ... ldd #0098 ;152
+E638 BD FC 4C ..L jsr fc4c ;bigdivide
E63B 31 1 ins
E63C 33 3 pulb
-E63D CB 30 .0 addb #30
+E63D CB 30 .0 addb #30 ; make it a digit
E63F F7 0B 97 ... stab 0b97
+;
E642 30 0 tsx
E643 EC 04 .. ldd 04,x
E645 37 7 pshb
E647 EC 02 .. ldd 02,x
E649 37 7 pshb
E64A 36 6 psha
-E64B CE 96 80 ... ldx #9680
+E64B CE 96 80 ... ldx #9680 ;38528
E64E 3C < pshx
-E64F CC 00 98 ... ldd #0098
-E652 BD FC 5C ..\ jsr fc5c ;jump82
+E64F CC 00 98 ... ldd #0098 ;152
+E652 BD FC 5C ..\ jsr fc5c ;bigmodulus
E655 37 7 pshb
E656 36 6 psha
-E657 CE 42 40 .B@ ldx #4240
+E657 CE 42 40 .B@ ldx #4240 ;16960
E65A 3C < pshx
-E65B CC 00 0F ... ldd #000f
-E65E BD FC 4C ..L jsr fc4c ;jump83
+E65B CC 00 0F ... ldd #000f ;15
+E65E BD FC 4C ..L jsr fc4c ;bigdivide
E661 31 1 ins
E662 33 3 pulb
E663 CB 30 .0 addb #30
E665 F7 0B 96 ... stab 0b96
+;
E668 30 0 tsx
E669 EC 04 .. ldd 04,x
E66B 37 7 pshb
E66D EC 02 .. ldd 02,x
E66F 37 7 pshb
E670 36 6 psha
-E671 CE 42 40 .B@ ldx #4240
+E671 CE 42 40 .B@ ldx #4240 ;16960
E674 3C < pshx
-E675 CC 00 0F ... ldd #000f
-E678 BD FC 5C ..\ jsr fc5c ;jump82
+E675 CC 00 0F ... ldd #000f ;15
+E678 BD FC 5C ..\ jsr fc5c ;bigmodulus
E67B 37 7 pshb
E67C 36 6 psha
-E67D CE 86 A0 ... ldx #86a0
+E67D CE 86 A0 ... ldx #86a0 ;34464
E680 3C < pshx
-E681 CC 00 01 ... ldd #0001
-E684 BD FC 4C ..L jsr fc4c ;jump83
+E681 CC 00 01 ... ldd #0001 ;1
+E684 BD FC 4C ..L jsr fc4c ;bigdivide
E687 31 1 ins
E688 33 3 pulb
E689 CB 30 .0 addb #30
E68B F7 0B 95 ... stab 0b95
+;
E68E 30 0 tsx
E68F EC 04 .. ldd 04,x
E691 37 7 pshb
E693 EC 02 .. ldd 02,x
E695 37 7 pshb
E696 36 6 psha
-E697 CE 86 A0 ... ldx #86a0
+E697 CE 86 A0 ... ldx #86a0 ;34464
E69A 3C < pshx
-E69B CC 00 01 ... ldd #0001
-E69E BD FC 5C ..\ jsr fc5c ;jump82
+E69B CC 00 01 ... ldd #0001 ;1
+E69E BD FC 5C ..\ jsr fc5c ;bigmodulus
E6A1 37 7 pshb
E6A2 36 6 psha
-E6A3 CE 27 10 .'. ldx #2710
+E6A3 CE 27 10 .'. ldx #2710 ;10000
E6A6 3C < pshx
E6A7 CC 00 00 ... ldd #0000
-E6AA BD FC 4C ..L jsr fc4c ;jump83
+E6AA BD FC 4C ..L jsr fc4c ;bigdivide
E6AD 31 1 ins
E6AE 33 3 pulb
E6AF CB 30 .0 addb #30
E6B1 F7 0B 94 ... stab 0b94
+;
E6B4 30 0 tsx
E6B5 EC 04 .. ldd 04,x
E6B7 37 7 pshb
E6B9 EC 02 .. ldd 02,x
E6BB 37 7 pshb
E6BC 36 6 psha
-E6BD CE 27 10 .'. ldx #2710
+E6BD CE 27 10 .'. ldx #2710 ;10000
E6C0 3C < pshx
E6C1 CC 00 00 ... ldd #0000
-E6C4 BD FC 5C ..\ jsr fc5c ;jump82
+E6C4 BD FC 5C ..\ jsr fc5c ;bigmodulus
E6C7 37 7 pshb
E6C8 36 6 psha
-E6C9 CE 03 E8 ... ldx #03e8
+E6C9 CE 03 E8 ... ldx #03e8 ;1000
E6CC 3C < pshx
E6CD CC 00 00 ... ldd #0000
-E6D0 BD FC 4C ..L jsr fc4c ;jump83
+E6D0 BD FC 4C ..L jsr fc4c ;bigdivide
E6D3 31 1 ins
E6D4 33 3 pulb
E6D5 CB 30 .0 addb #30
E6D7 F7 0B 93 ... stab 0b93
+;
+;
E6DA 30 0 tsx
E6DB EC 04 .. ldd 04,x
E6DD 37 7 pshb
E6DF EC 02 .. ldd 02,x
E6E1 37 7 pshb
E6E2 36 6 psha
-E6E3 CE 03 E8 ... ldx #03e8
+E6E3 CE 03 E8 ... ldx #03e8 ;1000
E6E6 3C < pshx
E6E7 CC 00 00 ... ldd #0000
-E6EA BD FC 5C ..\ jsr fc5c ;jump82
+E6EA BD FC 5C ..\ jsr fc5c ;bigmodulus
E6ED 37 7 pshb
E6EE 36 6 psha
-E6EF CE 00 64 ..d ldx #0064
+E6EF CE 00 64 ..d ldx #0064 ;100
E6F2 3C < pshx
E6F3 CC 00 00 ... ldd #0000
-E6F6 BD FC 4C ..L jsr fc4c ;jump83
+E6F6 BD FC 4C ..L jsr fc4c ;bigdivide
E6F9 31 1 ins
E6FA 33 3 pulb
E6FB CB 30 .0 addb #30
E6FD F7 0B 92 ... stab 0b92
+;
E700 30 0 tsx
E701 EC 04 .. ldd 04,x
E703 37 7 pshb
E705 EC 02 .. ldd 02,x
E707 37 7 pshb
E708 36 6 psha
-E709 CE 00 64 ..d ldx #0064
+E709 CE 00 64 ..d ldx #0064 ;100
E70C 3C < pshx
E70D CC 00 00 ... ldd #0000
-E710 BD FC 5C ..\ jsr fc5c ;jump82
+E710 BD FC 5C ..\ jsr fc5c ;bigmodulus
E713 37 7 pshb
E714 36 6 psha
-E715 CE 00 0A ... ldx #000a
+E715 CE 00 0A ... ldx #000a ;10
E718 3C < pshx
E719 CC 00 00 ... ldd #0000
-E71C BD FC 4C ..L jsr fc4c ;jump83
+E71C BD FC 4C ..L jsr fc4c ;bigdivide
E71F 31 1 ins
E720 33 3 pulb
E721 CB 30 .0 addb #30
E723 F7 0B 91 ... stab 0b91
+;
E726 30 0 tsx
E727 EC 04 .. ldd 04,x
E729 37 7 pshb
E72B EC 02 .. ldd 02,x
E72D 37 7 pshb
E72E 36 6 psha
-E72F CE 00 0A ... ldx #000a
+E72F CE 00 0A ... ldx #000a ;10
E732 3C < pshx
E733 CC 00 00 ... ldd #0000
-E736 BD FC 5C ..\ jsr fc5c ;jump82
+E736 BD FC 5C ..\ jsr fc5c ;bigmodulus
E739 31 1 ins
E73A 33 3 pulb
E73B CB 30 .0 addb #30
E73D F7 0B 90 ... stab 0b90
+;
E740 38 8 pulx
E741 31 1 ins
E742 31 1 ins
E89F CC 3F FF .?. ldd #3fff
E8A2 FD 00 50 ..P std 0050
E8A5 7F 00 06 ... clr 0006
+;
E8A8 F6 00 06 ... ldab 0006
-E8AB C1 64 .d cmpb #64
-E8AD 24 64 $d bcc 64
+E8AB C1 64 .d cmpb #64 ; 100
+E8AD 24 64 $d bcc 64 ; to e913 - break
+;
E8AF F6 00 06 ... ldab 0006
E8B2 4F O clra
E8B3 CE 00 05 ... ldx #0005
E8B6 02 . idiv
E8B7 5D ] tstb
-E8B8 27 54 'T beq 54
+E8B8 27 54 'T beq 54 ; to e90e - continue
+;
E8BA F6 00 06 ... ldab 0006
E8BD BD D7 A0 ... jsr d7a0 ;is_invalid_slot
E8C0 83 00 00 ... subd #0000
-E8C3 26 49 &I bne 49
+E8C3 26 49 &I bne 49 ; continue
+;
E8C5 F6 00 06 ... ldab 0006
E8C8 4F O clra
E8C9 05 . asld
E8D4 FD 10 16 ... std 1016
E8D7 FC 10 16 ... ldd 1016
E8DA 83 27 10 .'. subd #2710 ; 10000
-E8DD 24 2F $/ bcc 2f
+E8DD 24 2F $/ bcc 2f ; to e90e - continue
E8DF F6 00 06 ... ldab 0006
-E8E2 BD D4 68 ..h jsr d468 ;jump51
+E8E2 BD D4 68 ..h jsr d468 ;jump51 - test bit 6 of array[0006] at 0800
E8E5 83 00 00 ... subd #0000
-E8E8 27 24 '$ beq 24
-E8EA BD D5 61 ..a jsr d561 ;jump42
+E8E8 27 24 '$ beq 24 ; to e90e - continue
+E8EA BD D5 61 ..a jsr d561 ;jump42 - test bit 7 of array[0006] at 0800
E8ED 83 00 00 ... subd #0000
-E8F0 26 1C &. bne 1c
+E8F0 26 1C &. bne 1c ; to e90e - continue
E8F2 FC 10 16 ... ldd 1016
E8F5 B3 00 0F ... subd 000f
E8F8 23 06 #. bls 06
E906 24 06 $. bcc 06
E908 FC 10 16 ... ldd 1016
E90B FD 00 50 ..P std 0050
+;
E90E 7C 00 06 |.. inc 0006
-E911 20 95 . bra 95
+E911 20 95 . bra 95 ; to e8a8
+;
E913 FC 0B B7 ... ldd 0bb7
E916 27 12 '. beq 12
E918 FC 00 0F ... ldd 000f
ECC8 7F 00 06 ... clr 0006
ECCB BD A6 4E ..N jsr a64e ;jump135
ECCE C6 09 .. ldab #09
-ECD0 F7 0B C0 ... stab 0bc0
+ECD0 F7 0B C0 ... stab 0bc0 ; defaults to having a bill validator & dumb mech
ECD3 7F 0E 6D ..m clr 0e6d
ECD6 C6 01 .. ldab #01
ECD8 F7 0E 6E ..n stab 0e6e
F155 BD E5 71 ..q jsr e571 ;msdelay
F158 7E EE 1C ~.. jmp ee1c ;goto81
-;send a byte to the printer?
-;it calls c7e7, which does things with the serial port
jump53:
+;send a byte to the printer
+;it calls c7e7, which does things with the serial port
F15B 37 7 pshb
F15C 36 6 psha
F15D F6 00 19 ... ldab 0019
F297 38 8 pulx
F298 39 9 rts
-jump61
-jump61::
+jump61:
F299 37 7 pshb
F29A 36 6 psha
-F29B F6 20 00 . . ldab 2000
-F29E C4 40 .@ andb #40
+F29B F6 20 00 . . ldab 2000
+F29E C4 40 .@ andb #40 ; printer DSR
F2A0 27 7B '{ beq 7b
F2A2 F6 00 17 ... ldab 0017
F2A5 C4 08 .. andb #08
F2A7 26 06 &. bne 06
-F2A9 CC 00 24 ..$ ldd #0024
+F2A9 CC 00 24 ..$ ldd #0024 ; "$"
F2AC BD F1 5B ..[ jsr f15b ;jump53
F2AF CE 00 1D ... ldx #001d
F2B2 1C 00 01 ... bset 00,x, #01
F2B8 BD E7 45 ..E jsr e745 ;jump55 - number to string
F2BB F6 00 57 ..W ldab 0057
F2BE 4F O clra
-F2BF BD F1 5B ..[ jsr f15b ;jump53
+F2BF BD F1 5B ..[ jsr f15b ;jump53 - byte to printer
F2C2 F6 00 5A ..Z ldab 005a
F2C5 4F O clra
-F2C6 BD F1 5B ..[ jsr f15b ;jump53
+F2C6 BD F1 5B ..[ jsr f15b ;jump53 - byte to printer
F2C9 F6 00 13 ... ldab 0013
F2CC C1 08 .. cmpb #08
F2CE 26 0C &. bne 0c
F2D0 CC 00 2E ... ldd #002e
-F2D3 BD F1 5B ..[ jsr f15b ;jump53
+F2D3 BD F1 5B ..[ jsr f15b ;jump53 - byte to printer
F2D6 CE 00 1D ... ldx #001d
F2D9 1D 00 01 ... bclr 00,x, #01
F2DC F6 00 5D ..] ldab 005d
F2DF 4F O clra
-F2E0 BD F1 5B ..[ jsr f15b ;jump53
+F2E0 BD F1 5B ..[ jsr f15b ;jump53 - byte to printer
F2E3 F6 00 13 ... ldab 0013
F2E6 C1 04 .. cmpb #04
F2E8 26 0C &. bne 0c
F2EA CC 00 2E ... ldd #002e
-F2ED BD F1 5B ..[ jsr f15b ;jump53
+F2ED BD F1 5B ..[ jsr f15b ;jump53 - byte to printer
F2F0 CE 00 1D ... ldx #001d
F2F3 1D 00 01 ... bclr 00,x, #01
F2F6 F6 00 5E ..^ ldab 005e
F2F9 4F O clra
-F2FA BD F1 5B ..[ jsr f15b ;jump53
+F2FA BD F1 5B ..[ jsr f15b ;jump53 - byte to printer
F2FD F6 00 13 ... ldab 0013
F300 C1 02 .. cmpb #02
F302 26 06 &. bne 06
F304 CC 00 2E ... ldd #002e
-F307 BD F1 5B ..[ jsr f15b ;jump53
+F307 BD F1 5B ..[ jsr f15b ;jump53 - byte to printer
F30A CE 00 1D ... ldx #001d
F30D 1D 00 01 ... bclr 00,x, #01
F310 F6 00 5F .._ ldab 005f
F313 4F O clra
-F314 BD F1 5B ..[ jsr f15b ;jump53
+F314 BD F1 5B ..[ jsr f15b ;jump53 - byte to printer
F317 CC 00 0A ... ldd #000a
-F31A BD F1 5B ..[ jsr f15b ;jump53
+F31A BD F1 5B ..[ jsr f15b ;jump53 - byte to printer
F31D 38 8 pulx
F31E 39 9 rts
F321 36 6 psha
F322 3C < pshx
F323 F6 20 00 . . ldab 2000
-F326 C4 40 .@ andb #40
+F326 C4 40 .@ andb #40 ; printer dsr
F328 26 03 &. bne 03
F32A 7E F3 BC ~.. jmp f3bc ;goto82
F32D F6 00 17 ... ldab 0017
F330 C4 08 .. andb #08
F332 26 06 &. bne 06
-F334 CC 00 24 ..$ ldd #0024
-F337 BD F1 5B ..[ jsr f15b ;jump53
+F334 CC 00 24 ..$ ldd #0024 ; "$"
+F337 BD F1 5B ..[ jsr f15b ;jump53 - byte to printer
F33A CE 00 1D ... ldx #001d
F33D 1C 00 01 ... bset 00,x, #01
F340 30 0 tsx
F343 37 7 pshb
F344 36 6 psha
F345 EC 02 .. ldd 02,x
-F347 BD E6 21 ..! jsr e621 ;jump56
+F347 BD E6 21 ..! jsr e621 ;jump56 - write to display
F34A 38 8 pulx
F34B C6 07 .. ldab #07
F34D F7 00 18 ... stab 0018
F414 39 9 rts
jump112:
+; print a report to printer
F415 F6 0B C0 ... ldab 0bc0
F418 C4 02 .. andb #02
F41A 27 15 '. beq 15
F45B BD F1 5B ..[ jsr f15b ;jump53
F45E CC B2 1B ... ldd #b21b " ROWE INTERNATIONAL"
F461 BD F1 E8 ... jsr f1e8 ;jump57
-F464 CC 00 0A ... ldd #000a
+F464 CC 00 0A ... ldd #000a ; new line
F467 BD F1 5B ..[ jsr f15b ;jump53
F46A CC B2 38 ..8 ldd #b238 " -------------------"
F46D BD F1 E8 ... jsr f1e8 ;jump57
-F470 CC 00 0A ... ldd #000a
+F470 CC 00 0A ... ldd #000a ; new line
F473 BD F1 5B ..[ jsr f15b ;jump53
-F476 CC B2 56 ..V ldd #b256
+F476 CC B2 56 ..V ldd #b256 ; "5900 SOFTWARE VER 5"
F479 BD F1 E8 ... jsr f1e8 ;jump57
-F47C CC 00 0A ... ldd #000a
+F47C CC 00 0A ... ldd #000a ; new line
F47F BD F1 5B ..[ jsr f15b ;jump53
-F482 CC 00 0A ... ldd #000a
+F482 CC 00 0A ... ldd #000a ; new line
F485 BD F1 5B ..[ jsr f15b ;jump53
-F488 CC B2 75 ..u ldd #b275
+F488 CC B2 75 ..u ldd #b275 ; ACCOUNT RECORD
F48B BD F1 E8 ... jsr f1e8 ;jump57
-F48E CC 00 0A ... ldd #000a
+F48E CC 00 0A ... ldd #000a ; new line
F491 BD F1 5B ..[ jsr f15b ;jump53
-F494 CC B2 38 ..8 ldd #b238
+F494 CC B2 38 ..8 ldd #b238 ; --------------------
F497 BD F1 E8 ... jsr f1e8 ;jump57
-F49A CC 00 0A ... ldd #000a
+F49A CC 00 0A ... ldd #000a ; new line
F49D BD F1 5B ..[ jsr f15b ;jump53
-F4A0 CC 00 0A ... ldd #000a
+F4A0 CC 00 0A ... ldd #000a ; new line
F4A3 BD F1 5B ..[ jsr f15b ;jump53
-F4A6 CC B2 90 ... ldd #b290
+F4A6 CC B2 90 ... ldd #b290 ; SERIAL #
F4A9 BD F1 E8 ... jsr f1e8 ;jump57
F4AC CE 00 0A ... ldx #000a
F4AF 3C < pshx
-F4B0 CC 0C BC ... ldd #0cbc
+F4B0 CC 0C BC ... ldd #0cbc ; serial number
F4B3 BD F1 C1 ... jsr f1c1 ;jump59
F4B6 38 8 pulx
F4B7 CC 00 0A ... ldd #000a
F4CD 38 8 pulx
F4CE CC 00 0A ... ldd #000a
F4D1 BD F1 5B ..[ jsr f15b ;jump53
-F4D4 CC B2 B4 ... ldd #b2b4
+F4D4 CC B2 B4 ... ldd #b2b4 ; "AUDIT NUMBER"
F4D7 BD F1 E8 ... jsr f1e8 ;jump57
F4DA FC 0C E7 ... ldd 0ce7
-F4DD BD F2 4D ..M jsr f24d ;jump58
+F4DD BD F2 4D ..M jsr f24d ;jump58 - convert to string
F4E0 CC 00 0A ... ldd #000a
F4E3 BD F1 5B ..[ jsr f15b ;jump53
F4E6 CC 00 0A ... ldd #000a
F4E9 BD F1 5B ..[ jsr f15b ;jump53
-F4EC CC B2 C6 ... ldd #b2c6
+F4EC CC B2 C6 ... ldd #b2c6 ; "SALES (R)
F4EF BD F1 E8 ... jsr f1e8 ;jump57
F4F2 FE 0D E9 ... ldx 0de9
F4F5 3C < pshx
F4F6 FC 0D E7 ... ldd 0de7
F4F9 BD F3 1F ... jsr f31f ;jump60
F4FC 38 8 pulx
-F4FD CC B2 D8 ... ldd #b2d8
+F4FD CC B2 D8 ... ldd #b2d8 ; "SALES (N)
F500 BD F1 E8 ... jsr f1e8 ;jump57
F503 FE 0D ED ... ldx 0ded
F506 3C < pshx
F6E2 F6 00 19 ... ldab 0019
F6E5 C4 40 .@ andb #40
F6E7 26 07 &. bne 07
-F6E9 FE 0C E7 ... ldx 0ce7
+F6E9 FE 0C E7 ... ldx 0ce7 ;increment the audit number?
F6EC 08 . inx
F6ED FF 0C E7 ... stx 0ce7
F6F0 CE 00 1D ... ldx #001d
rti:
F718 3C < pshx
-F719 F6 0B C0 ... ldab 0bc0
+F719 F6 0B C0 ... ldab 0bc0 ; if we have a bill validator
F71C C4 08 .. andb #08
F71E 27 03 '. beq 03
-F720 BD C3 25 ..% jsr c325 ;jump64
+F720 BD C3 25 ..% jsr c325 ;jump64 - go query the bill validator
F723 7C 00 0C |.. inc 000c
F726 F6 00 0C ... ldab 000c
F729 C1 02 .. cmpb #02
;
F7B7 F6 00 25 ..% ldab 0025
F7BA 27 03 '. beq 03
+; from jump34
F7BC 7A 00 25 z.% dec 0025
;
F7BF F6 00 31 ..1 ldab 0031
F8A1 F7 10 2D ..- stab 102d ; enable SCI transmission
F8A4 C6 03 .. ldab #03
F8A6 F7 10 2B ..+ stab 102b ; set 9600 baud
-F8A9 C6 46 .F ldab #46 ; 70
+F8A9 C6 46 .F ldab #46 ; 70 01000110
F8AB F7 00 2F ../ stab 002f
F8AE CC 07 D0 ... ldd #07d0
F8B1 BD E5 71 ..q jsr e571 ;msdelay
;
; end of power line test
;
+;
+; chat to the bill validator if we need to
+;
F952 F6 0B C0 ... ldab 0bc0
F955 C4 08 .. andb #08
-F957 27 16 '. beq 16 ; to f96f
+F957 27 16 '. beq 16 ; to f96f if no bill validator
F959 CE 00 02 ... ldx #0002
F95C 3C < pshx
F95D CC 10 00 ... ldd #1000
F99E BD D6 F6 ... jsr d6f6 ;jump106
F9A1 F6 00 12 ... ldab 0012
F9A4 C4 20 . andb #20 ; test door switch
-F9A6 27 08 '. beq 08
+F9A6 27 08 '. beq 08 ; to f9b0
F9A8 F6 00 35 ..5 ldab 0035
F9AB 26 03 &. bne 03
F9AD 7E FA 79 ~.y jmp fa79 ;goto83
+;
F9B0 CE 00 1F ... ldx #001f
F9B3 1D 00 04 ... bclr 00,x, #04
F9B6 CE 00 1D ... ldx #001d
F9BC F6 00 1F ... ldab 001f
F9BF C4 20 . andb #20
F9C1 26 03 &. bne 03
-F9C3 7E FA 74 ~.t jmp fa74 ;goto84
+F9C3 7E FA 74 ~.t jmp fa74 ;goto84 if 001f is clear
F9C6 F6 0B C0 ... ldab 0bc0
F9C9 C4 01 .. andb #01
F9CB 27 08 '. beq 08
F9F9 1D 00 02 ... bclr 00,x, #02
F9FC F6 0B C0 ... ldab 0bc0
F9FF C4 02 .. andb #02
-FA01 27 27 '' beq 27
-FA03 C6 3C .< ldab #3c
+FA01 27 27 '' beq 27 ; to fa2a
+;
+FA03 C6 3C .< ldab #3c ; 62 00111100
FA05 F7 00 31 ..1 stab 0031
FA08 0E . cli
FA09 CC 00 FF ... ldd #00ff
FA1B F7 10 2D ..- stab 102d ; enable SCI transmission
FA1E C6 03 .. ldab #03
FA20 F7 10 2B ..+ stab 102b ; 9600 baud
-FA23 C6 46 .F ldab #46 ; 70
+FA23 C6 46 .F ldab #46 ; 70 01000110
FA25 F7 00 2F ../ stab 002f
-FA28 20 31 1 bra 31
+FA28 20 31 1 bra 31 ; to fa5b
+;
FA2A CE 00 21 ..! ldx #0021
FA2D 1D 00 40 ... bclr 00,x, #40
FA30 BD D0 94 ... jsr d094 ;jump66 - init variables
FA52 1D 00 04 ... bclr 00,x, #04
FA55 F6 00 1A ... ldab 001a
FA58 F7 30 00 .0. stab 3000 ; changer reset line low
-FA5B BD D4 79 ..y jsr d479 ;jump67
+;
+FA5B BD D4 79 ..y jsr d479 ;jump67 - query all motors?
FA5E BD E8 9A ... jsr e89a ;jump68
FA61 BD BE 69 ..i jsr be69 ;displayreset
FA64 7F 00 06 ... clr 0006
FA8D 1C 00 .. bset 00,x, #20
FA8F F6 00 12 ... ldab 0012
FA93 C4 01 .. andb #01
-FA95 26 33 &3 bne 33
+FA95 26 33 &3 bne 33 ; to faca
FA97 F6 00 1D ... ldab 001d
FA9A C4 08 .. andb #08
FA9C 27 2A '* beq 2a ; to fac8, to fad0
FA9E F6 00 1F ... ldab 001f
FAA1 C4 04 .. andb #04
-FAA3 26 14 &. bne 14
+FAA3 26 14 &. bne 14 ; to fab9
FAA5 CE 00 1F ... ldx #001f
FAA8 1C 00 04 ... bset 00,x, #04
FAAB CE 00 1F ... ldx #001f
FAC2 CE 00 1D ... ldx #001d
FAC5 1D 00 08 ... bclr 00,x, #08
FAC8 20 06 . bra 06 ; to fad0
+;
FACA CE 00 1D ... ldx #001d
FACD 1C 00 08 ... bset 00,x, #08
FAD0 F6 00 1F ... ldab 001f
jump38:
; passed a u16 on the stack, i, and a u16 in D, j
-; multiplication funciton of some sort?
+; i *think* it multiplies i*j and returns it in D.
+; but the assembly seems to have several off-by-one errors
FBBA 3C < pshx
FBBB 37 7 pshb
FBBC 30 0 tsx
FBBF 3D = mul ; A*B => D
FBC0 A6 00 .. ldaa 00,x
FBC2 37 7 pshb
-FBC3 E6 05 .. ldab 05,x
+FBC3 E6 05 .. ldab 05,x ; upper byte of return address??
FBC5 3D = mul
FBC6 32 2 pula
-FBC7 1B . aba
+FBC7 1B . aba ; a now contains ad+bc
FBC8 33 3 pulb
FBC9 36 6 psha
FBCA A6 06 .. ldaa 06,x
FBCD 37 7 pshb
FBCE AB 00 .. adda 00,x
FBD0 36 6 psha
-FBD1 EC 03 .. ldd 03,x
-FBD3 ED 05 .. std 05,x
+FBD1 EC 03 .. ldd 03,x ; move saved value of X
+FBD3 ED 05 .. std 05,x ; into the return address???
FBD5 38 8 pulx
FBD6 8F . xgdx
FBD7 83 00 00 ... subd #0000
FC24 39 9 rts
jump85:
+; long addition function?
FC25 3C < pshx
FC26 30 0 tsx
FC27 E3 06 .. addd 06,x
FC4A 31 1 ins
FC4B 39 9 rts
-jump83:
+
+
+; bigdivide: and bigmodulus: are a division function and a remainder function
+; for stupidly huge numbers.
+;
+;
+; the number in D is prepended to the number at the top of the stack
+; eg, 0x0f in D and 0x4240 on stack => 0x0f4240 = 1000000
+;
+bigdivide:
FC4C 3C < pshx
FC4D 3C < pshx
FC4E 37 7 pshb
FC57 A7 04 .. staa 04,x
FC59 7E FC 6D ~.m jmp fc6d ;goto88
-jump82:
+bigmodulus:
FC5C 3C < pshx
FC5D 3C < pshx
FC5E 37 7 pshb
FC66 86 01 .. ldaa #01
FC68 A7 04 .. staa 04,x
FC6A 7E FC 6D ~.m jmp fc6d ;goto88
+;
goto88:
FC6D 1A EE 0E ... ldy 0e,x
FC70 EC 08 .. ldd 08,x
FC83 ED 06 .. std 06,x
FC85 EC 0A .. ldd 0a,x
FC87 1A A3 0E ... cmpd 0e,x
-FC8A 22 23 "# bhi 23
-FC8C 27 15 '. beq 15
+FC8A 22 23 "# bhi 23 ; to fcaf
+FC8C 27 15 '. beq 15 ; to fca3
+;
FC8E 1E 04 01 08 .... brset 04,x 01 08
FC92 CC 00 00 ... ldd #0000
FC95 ED 14 .. std 14,x
-FC97 7E FE 04 ~.. jmp fe04 ;goto89
+FC97 7E FE 04 ~.. jmp fe04 ;goto89 - return
FC9A EC 0C .. ldd 0c,x
FC9C ED 14 .. std 14,x
FC9E EC 0A .. ldd 0a,x
FCA0 7E FD E3 ~.. jmp fde3 ;goto90
+;
FCA3 83 00 00 ... subd #0000
-FCA6 27 12 '. beq 12
+FCA6 27 12 '. beq 12 ; to fcba
FCA8 EC 0C .. ldd 0c,x
FCAA 1A A3 10 ... cmpd 10,x
-FCAD 25 DF %. bcs df
+FCAD 25 DF %. bcs df ; to fc8e
+;
FCAF 6D 0E m. tst 0e,x
-FCB1 26 70 &p bne 70
+FCB1 26 70 &p bne 70 ; to fd23
FCB3 6D 0F m. tst 0f,x
-FCB5 27 1A '. beq 1a
+FCB5 27 1A '. beq 1a ; to fcd1
FCB7 7E FD A4 ~.. jmp fda4 ;goto91
+;
FCBA 3C < pshx
FCBB 3C < pshx
FCBC 18 38 .8 puly
FCCC 4F O clra
FCCD 5F _ clrb
FCCE 7E FD E3 ~.. jmp fde3 ;goto90
+;
FCD1 3C < pshx
FCD2 3C < pshx
FCD3 18 38 .8 puly
FCE1 CD EF 0E ... stx 02x,y
FCE4 38 8 pulx
FCE5 18 E3 0C ... addd 0c,y
-FCE8 24 1B $. bcc 1b
+FCE8 24 1B $. bcc 1b ; to fd05
+;
FCEA 18 ED 0C ... std 0c,y
FCED 4F O clra
FCEE C6 01 .. ldab #01
FCFE 8F . xgdx
FCFF 38 8 pulx
FD00 18 E3 0C ... addd 0c,y
-FD03 25 E5 %. bcs e5
+FD03 25 E5 %. bcs e5 ; to fcea
FD05 02 . idiv
+;
FD06 8F . xgdx
FD07 18 E3 0E ... addd 0e,y
FD0A 24 03 $. bcc 03
FD1C ED 14 .. std 14,x
FD1E EC 0A .. ldd 0a,x
FD20 7E FD E3 ~.. jmp fde3 ;goto90
-FD23 86 08 .. ldaa #08
-FD25 A7 05 .. staa 05,x
-FD27 69 i rol
-FD28 0D . sec
-FD29 69 i rol
-FD2A 0C . clc
-FD2B 69 i rol
-FD2C 0B . sev
-FD2D 69 i rol
-FD2E 0A . clv
-FD2F 69 i rol
-FD30 09 . dex
+;
+FD23 86 08 .. ldaa #08 ; for i = 8
+FD25 A7 05 .. staa 05,x ; do
+FD27 69 0D i. rol 0d,x
+FD29 69 0C i. rol 0c,x
+FD2B 69 0B i. rol 0b,x
+FD2D 69 0A i. rol 0a,x
+FD2F 69 09 i. rol 09,x
FD31 EC 0B .. ldd 0b,x
FD33 A3 10 .. subd 10,x
FD35 ED 14 .. std 14,x
FD37 EC 09 .. ldd 09,x
FD39 E2 0F .. sbcb 0f,x
FD3B A2 0E .. sbca 0e,x
-FD3D 25 06 %. bcs 06
+FD3D 25 06 %. bcs 06 ; to fd45
FD3F ED 09 .. std 09,x
FD41 EC 14 .. ldd 14,x
FD43 ED 0B .. std 0b,x
-FD45 6A 05 j. dec 05,x
-FD47 26 DE &. bne de
-FD49 69 i rol
-FD4A 0D . sec
-FD4B 1F 04 01 09 .... brclr 04,x 01 09
+FD45 6A 05 j. dec 05,x ; i--
+FD47 26 DE &. bne de ; to fd27
+;
+FD49 69 0D i. rol 0d,x
+FD4B 1F 04 01 09 .... brclr 04,x 01 09 ; to fd58
FD4F EC 0B .. ldd 0b,x
FD51 ED 14 .. std 14,x
FD53 EC 09 .. ldd 09,x
FD55 7E FD E3 ~.. jmp fde3 ;goto90
+;
FD58 4F O clra
FD59 E6 0D .. ldab 0d,x
FD5B 53 S comb
FD5C ED 14 .. std 14,x
FD5E 5F _ clrb
FD5F 7E FD E3 ~.. jmp fde3 ;goto90
-FD62 86 10 .. ldaa #10
-FD64 A7 05 .. staa 05,x
-FD66 69 i rol
-FD67 0D . sec
-FD68 69 i rol
-FD69 0C . clc
-FD6A 69 i rol
-FD6B 0B . sev
-FD6C 69 i rol
-FD6D 0A . clv
-FD6E 69 i rol
-FD6F 09 . dex
-FD70 69 i rol
-FD71 08 . inx
+;
+FD62 86 10 .. ldaa #10 ; for i = 16
+FD64 A7 05 .. staa 05,x ; do
+FD66 69 0D i. rol 0d,x
+FD68 69 0C i. rol 0c,x
+FD6A 69 0B i. rol 0b,x
+FD6C 69 0A i. rol 0a,x
+FD6E 69 09 i. rol 09,x
+FD70 69 08 i. rol 08,x
FD72 EC 0A .. ldd 0a,x
FD74 A3 10 .. subd 10,x
FD76 ED 14 .. std 14,x
FD78 EC 08 .. ldd 08,x
FD7A E2 0F .. sbcb 0f,x
FD7C 82 00 .. sbca #00
-FD7E 25 06 %. bcs 06
+FD7E 25 06 %. bcs 06 ; continue
FD80 ED 08 .. std 08,x
FD82 EC 14 .. ldd 14,x
FD84 ED 0A .. std 0a,x
-FD86 6A 05 j. dec 05,x
-FD88 26 DC &. bne dc
-FD8A 69 i rol
-FD8B 0D . sec
-FD8C 69 i rol
-FD8D 0C . clc
+FD86 6A 05 j. dec 05,x ; i--
+FD88 26 DC &. bne dc ; to fd66
+;
+FD8A 69 0D i. rol 0d,x
+FD8C 69 0C i. rol 0c,x
FD8E 1F 04 01 08 .... brclr 04,x 01 08
FD92 EC 0A .. ldd 0a,x
FD94 ED 14 .. std 14,x
FD96 EC 08 .. ldd 08,x
-FD98 20 49 I bra 49
+FD98 20 49 I bra 49 ;goto90
FD9A EC 0C .. ldd 0c,x
FD9C 43 C coma
FD9D 53 S comb
FD9E ED 14 .. std 14,x
FDA0 4F O clra
FDA1 5F _ clrb
-FDA2 20 3F ? bra 3f
+FDA2 20 3F ? bra 3f ;goto90
goto91:
-FDA4 2B BC +. bmi bc
-FDA6 86 10 .. ldaa #10
-FDA8 A7 05 .. staa 05,x
-FDAA 69 i rol
-FDAB 0D . sec
-FDAC 69 i rol
-FDAD 0C . clc
-FDAE 69 i rol
-FDAF 0B . sev
-FDB0 69 i rol
-FDB1 0A . clv
-FDB2 69 i rol
-FDB3 07 . tpa
+FDA4 2B BC +. bmi bc ; to fd62 if minus
+FDA6 86 10 .. ldaa #10 ; for i = 16
+FDA8 A7 05 .. staa 05,x ; do
+FDAA 69 0D i rol 0d,x
+FDAC 69 0C i rol 0c,x
+FDAE 69 0B i rol 08,x
+FDB0 69 0A i rol 0a,x
+FDB2 69 07 i rol 07,x
FDB4 EC 0A .. ldd 0a,x
FDB6 A3 10 .. subd 10,x
FDB8 ED 14 .. std 14,x
FDBA A6 07 .. ldaa 07,x
FDBC A2 0F .. sbca 0f,x
-FDBE 25 06 %. bcs 06
+FDBE 25 06 %. bcs 06 ;continue
FDC0 A7 07 .. staa 07,x
FDC2 EC 14 .. ldd 14,x
FDC4 ED 0A .. std 0a,x
FDC6 6A 05 j. dec 05,x
-FDC8 26 E0 &. bne e0
-FDCA 69 i rol
-FDCB 0D . sec
-FDCC 69 i rol
-FDCD 0C . clc
-FDCE 1F 04 01 09 .... brclr 04,x 01 09
+FDC8 26 E0 &. bne e0 ;reloop
+;
+FDCA 69 0D i. rol 0d,x
+FDCC 69 0C i. rol 0c,x
+FDCE 1F 04 01 09 .... brclr 04,x 01 09 ;to fddb
FDD2 EC 0A .. ldd 0a,x
FDD4 ED 14 .. std 14,x
FDD6 4F O clra
FDD7 E6 07 .. ldab 07,x
-FDD9 20 08 . bra 08
+FDD9 20 08 . bra 08 ;goto90
+;
FDDB EC 0C .. ldd 0c,x
FDDD 43 C coma
FDDE 53 S comb