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better sigcheck patch with no disk grinding

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This commit is contained in:
4am 2021-09-13 12:20:36 -04:00
parent 5fb1e40e0a
commit d6a68f40f5
5 changed files with 27 additions and 38 deletions
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4
src/apicode.a
View File

@ -83,10 +83,6 @@ FIRSTFILTER
!byte FALSE ; 0=true, 1=false !byte FALSE ; 0=true, 1=false
; reset before each operation ; reset before each operation
; set in IDVolumeName() after identifying ProDOS bootloader ; set in IDVolumeName() after identifying ProDOS bootloader
;gPossibleSigCheck
!byte FALSE ; 0=true, 1=false
; reset before each operation
; set in IsWideTrack() after finding extra wide protection track
;gPossibleB4BBBasic ;gPossibleB4BBBasic
!byte FALSE ; 0=true, 1=false !byte FALSE ; 0=true, 1=false
; reset before each operation ; reset before each operation

3
src/apidefs.a
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@ -182,8 +182,7 @@ gIsTSR = gIsDiversi-$01 ; byte
gPossibleMECCSwapper = gIsTSR-$01 ; byte gPossibleMECCSwapper = gIsTSR-$01 ; byte
gPossibleWoodbury = gPossibleMECCSwapper-$01 ; byte gPossibleWoodbury = gPossibleMECCSwapper-$01 ; byte
gPossibleB4BBBasic = gPossibleWoodbury-$01 ; byte gPossibleB4BBBasic = gPossibleWoodbury-$01 ; byte
gPossibleSigCheck = gPossibleB4BBBasic-$01 ; byte gIsLowDOS = gPossibleB4BBBasic-$01 ; byte
gIsLowDOS = gPossibleSigCheck-$01 ; byte
;LASTFILTER ; add new gIs* above this line ;LASTFILTER ; add new gIs* above this line
;gIsInfocom18 is a special case whose ID is not in the regular inspection path ;gIsInfocom18 is a special case whose ID is not in the regular inspection path
gIsInfocom18 = gIsLowDOS-$01 ; byte gIsInfocom18 = gIsLowDOS-$01 ; byte

29
src/patchers/sigcheck.a
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@ -3,22 +3,25 @@
; productized extra wide track protection check ; productized extra wide track protection check
; ;
; tested on ; tested on
; - Advanced Electricity ; - Advanced Electricity (EME)
; - Complex Circuits ; - Complex Circuits (EME)
; - Projectile and Circular Motion ; - Projectile and Circular Motion (EME)
; - Inca (Hayden)
; - Holy Grail (Hayden)
; - The Dam Busters (Accolade)
; - Conjecture (Robert Scott)
; - Solo Flight (MicroProse)
;------------------------------- ;-------------------------------
lda gPossibleSigCheck lda gIsBoot0
bne + bne +
ldy #$0A ldy #$06
jsr SearchTrack jsr SearchTrack
!byte $4C,$42,$61 !byte $18 ; CLC
!byte $A9,$00 !byte $B0,$7E ; BCS +
!byte $F0,$02 !byte $A5,$00 ; LDA $00
!byte $A9,$FF
!byte $48 !byte $48
bcs + ; passport-test-suite/Advanced Electricity.woz [C=0] matches bcs + ; passport-test-suite/Advanced Electricity.woz [C=0] matches
jsr inx8 jsr modify3
jsr modify1 !byte $A9,$00 ; LDA #$00
!byte $00 !byte $60 ; RTS
+ +

25
src/patchers/t00_sigcheck.a
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@ -3,26 +3,19 @@
; productized extra wide track protection check ; productized extra wide track protection check
; ;
; tested on ; tested on
; - Hardball ; - Hardball (Accolade)
; - Law of the West (Accolade)
;------------------------------- ;-------------------------------
; gTrack = 0 ; gTrack = 0
ldy #$0A ldy #$06
jsr SearchTrack jsr SearchTrack
!byte $4C,$42,$61 !byte $18 ; CLC
!byte $A9,$00 !byte $B0,$7E ; BCS +
!byte $F0,$02 !byte $A5,$00 ; LDA $00
!byte $A9,$FF
!byte $48 !byte $48
bcs + ; passport-test-suite/Hardball.woz [C=0] matches bcs + ; passport-test-suite/Hardball.woz [C=0] matches
inx jsr modify3
inx !byte $A9,$00 ; LDA #$00
inx !byte $60 ; RTS
inx
inx
inx
inx
inx
jsr modify1
!byte $00
+ +

4
src/wholetrack.a
View File

@ -267,9 +267,7 @@ IsWideTrack
beq + beq +
sec sec
rts rts
+ lda #TRUE + clc
sta gPossibleSigCheck
clc
rts rts
;------------------------------- ;-------------------------------