From: Bernard Blackham Date: Tue, 5 Aug 2003 07:29:34 +0000 (+0000) Subject: more comments X-Git-Tag: ROMW~112 X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=3ab9c6bfa526db3e2d5c9ac5bbbef0517b977364;p=uccvend-snackrom.git more comments --- diff --git a/ROM-2003/vend.asm b/ROM-2003/vend.asm index 8c71e3b..ee733c1 100644 --- a/ROM-2003/vend.asm +++ b/ROM-2003/vend.asm @@ -8052,11 +8052,11 @@ BE68 39 9 rts 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 @@ -8447,7 +8447,7 @@ C0F8 1D 00 20 .. bclr 00,x, #20 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 @@ -8469,7 +8469,7 @@ C12B 1D 00 20 .. bclr 00,x, #20 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 @@ -8568,7 +8568,7 @@ C1F6 A3 04 .. subd 04,x 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 @@ -8646,7 +8646,7 @@ C28E 3C < pshx 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 @@ -8658,9 +8658,9 @@ C2A2 A3 04 .. subd 04,x 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 @@ -8669,7 +8669,7 @@ C2B7 31 1 ins 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 @@ -8677,12 +8677,12 @@ C2C5 FD 0C E5 ... std 0ce5 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 @@ -8691,9 +8691,9 @@ C2E3 3C < pshx 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 @@ -8703,12 +8703,12 @@ C2F7 A3 04 .. subd 04,x 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 @@ -8717,14 +8717,11 @@ C30E F6 00 15 ... ldab 0015 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: @@ -9069,10 +9066,10 @@ C67C 39 9 rts 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 ; have a card reader -C687 26 4E &N bne 4e +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 @@ -9102,6 +9099,7 @@ C6CD F7 00 30 ..0 stab 0030 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 @@ -9244,7 +9242,7 @@ C7E6 39 9 rts 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 @@ -9760,9 +9758,9 @@ CC0E C1 20 . cmpb #20 ; 00100000 CC10 27 03 '. beq 03 CC12 7E CE 3B ~.; jmp ce3b ;goto54 - swallow a byte & exit ; -CC15 C6 32 .2 ldab #32 ; 50 +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? 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 @@ -12094,11 +12092,11 @@ DE0F C6 14 .. ldab #14 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 @@ -12109,29 +12107,31 @@ DE2A 84 08 .. anda #08 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 @@ -12143,14 +12143,15 @@ DE81 30 0 tsx 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 @@ -12195,32 +12196,35 @@ jump116: ; revolves around coinage DEE7 F6 0B C0 ... ldab 0bc0 DEEA C4 01 .. andb #01 ; have a dumb mech -DEEC 26 07 &. bne 07 +DEEC 26 07 &. bne 07 ; to def5 DEEE F6 0B C0 ... ldab 0bc0 DEF1 C4 04 .. andb #04 ; have a card reader -DEF3 27 15 '. beq 15 +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 ;have changer -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 ; set link powerup error bit +; DF2F F6 00 21 ..! ldab 0021 DF32 C4 20 . andb #20 DF34 27 07 '. beq 07 @@ -12412,7 +12416,7 @@ E0DA FD 00 44 ..D std 0044 E0DD F6 0B C0 ... ldab 0bc0 E0E0 C4 02 .. andb #02 ; have a changer 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 @@ -12480,31 +12484,31 @@ E187 F6 00 15 ... ldab 0015 E18A C4 01 .. andb #01 E18C 27 08 '. beq 08 E18E FC 10 16 ... ldd 1016 -E191 83 00 64 ..d subd #0064 +E191 83 00 64 ..d subd #0064 ; 100 E194 25 3C %< bcs 3c E196 F6 00 15 ... ldab 0015 E199 C4 02 .. andb #02 E19B 27 08 '. beq 08 E19D FC 10 16 ... ldd 1016 -E1A0 83 00 C8 ... subd #00c8 +E1A0 83 00 C8 ... subd #00c8 ; 200 E1A3 25 2D %- bcs 2d E1A5 F6 00 15 ... ldab 0015 E1A8 C4 04 .. andb #04 E1AA 27 08 '. beq 08 E1AC FC 10 16 ... ldd 1016 -E1AF 83 01 F4 ... subd #01f4 +E1AF 83 01 F4 ... subd #01f4 ; 500 E1B2 25 1E %. bcs 1e 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 +E1BE 83 03 E8 ... subd #03e8 ; 1000 E1C1 25 0F %. bcs 0f E1C3 F6 00 15 ... ldab 0015 E1C6 C4 10 .. andb #10 E1C8 27 13 '. beq 13 E1CA FC 10 16 ... ldd 1016 -E1CD 83 07 D0 ... subd #07d0 +E1CD 83 07 D0 ... subd #07d0 ; 2000 E1D0 24 0B $. bcc 0b E1D2 BD C0 E0 ... jsr c0e0 ;jump94 E1D5 83 00 00 ... subd #0000 @@ -13436,19 +13440,23 @@ E89C FD 00 0F ... std 000f 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 @@ -13460,14 +13468,14 @@ E8D2 84 3F .? anda #3f 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 @@ -13478,8 +13486,10 @@ E903 B3 00 50 ..P subd 0050 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 @@ -15317,7 +15327,7 @@ F89F C6 2E .. ldab #2e 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 @@ -15440,7 +15450,7 @@ F9B9 1C 00 10 ... bset 00,x, #10 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 @@ -15463,8 +15473,9 @@ F9F6 CE 00 1B ... ldx #001b 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 @@ -15478,9 +15489,10 @@ FA19 C6 2E .. ldab #2e 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 @@ -15498,7 +15510,8 @@ FA4F CE 00 1A ... ldx #001a 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 @@ -15522,13 +15535,13 @@ FA8A CE 00 1F ... ldx #001f 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 @@ -15543,6 +15556,7 @@ FABF 1D 00 04 ... bclr 00,x, #04 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