From: Bernard Blackham Date: Tue, 24 May 2005 10:53:02 +0000 (+0000) Subject: some more random reverse engineering never committed. X-Git-Tag: IMPORT-FROM-UCCCVS~2 X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=77f2f2b514bc8b3a5e4c23ab02afc16bdcedb3c6;p=uccvend-snackrom.git some more random reverse engineering never committed. --- diff --git a/ROM-2003/vend.asm b/ROM-2003/vend.asm index 17dbe57..c654234 100644 --- a/ROM-2003/vend.asm +++ b/ROM-2003/vend.asm @@ -10585,7 +10585,7 @@ D246 39 9 rts D247 BD D1 3D ..= jsr d13d ;jump34 - motor on D24A C6 3C .< ldab #3c ; 60 D24C F7 00 2E ... stab 002e -D24F C6 41 .A ldab #41 ; 65 +D24F C6 41 .A ldab #41 ; 65 01000001 D251 F7 00 31 ..1 stab 0031 D254 CE 00 1B ... ldx #001b D257 1D 00 08 ... bclr 00,x #08 @@ -10595,7 +10595,7 @@ D25D C4 08 .. andb #08 D25F 26 22 &" bne 22 ; to d283 D261 F6 00 2E ... ldab 002e D264 C1 35 .5 cmpb #35 ; 53 -D266 23 10 #. bls 10 +D266 23 10 #. bls 10 ; to d278 D268 BD D5 70 ..p jsr d570 ;jump35 - check home sensor departed D26B 83 00 00 ... subd #0000 D26E 27 06 '. beq 06 ; to d276 @@ -11044,7 +11044,7 @@ D5AE 4F O clra D5AF 39 9 rts ;This does almost the same - check the home sensor for this row (slot number -;is in 0006) up to 5 times. If it is 1, return 0. If it stays 0, return 0. +;is in 0006) up to 5 times. If it is 1, return 0. If it stays 0, return 1. ;(this is the reverse of the routine above). But also check bit 0 of 100a. ;If it is ever 0, return 0. ;005f is the row number