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initialize current track pointer [fixes Super Taxman II]

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This commit is contained in:
4am 2019-02-09 09:36:21 -05:00
parent 108ccbb2d2
commit 9b1721af99
2 changed files with 29 additions and 3 deletions
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30
src/id/trace33.a
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@ -71,6 +71,8 @@ TraceDOS33b
TraceDOS33c
lda $08FE ; 2nd-level trace callback is here
sta .x6+1
sta .x6b+1
sta .x6c+2
clc
adc #$02
_Inspect1a
@ -160,14 +162,38 @@ _Inspect1a
ldy #$03
jsr CompareMemory
!byte $4C,$03,$9B
bcs .x7
bcs .x6b
jsr IDMilliken
bcs .x7
bcs .x6b
lda #s_milliken
jsr PrintByID
lda #kSectorOptional
sta T02S05
;
; Try to initialize the "current track" variable like the bootloader would --
; required for some disks that use a strange location for this variable
; e.g. Super Taxman II
;
.x6b lda #$B7 ; check for "LDA #$00 / STA $....,X / STA $....,X / JSR $..93" at $B730
ldx #$30
ldy #$0A
jsr CompareMemory
!byte $A9,$00
!byte $9D,WILDCARD,WILDCARD
!byte $9D,WILDCARD,WILDCARD
!byte $20,$93
bcs .x7
ldy #$07
.x6c lda $B730,y
sta .trackpointer,y
dey
bpl .x6c
ldx #$06
.trackpointer
LDA #$00
STA $04F8,X
STA $0478,X
;
; Check for Adventure International RWTS (sets flag for patcher)
;
.x7 lda #$B9 ; check for code at $B936

2
src/strings/en.a
View File

@ -153,7 +153,7 @@ StringTable
; can be set directly before calling PrintByID.
;
.header
!text "Passport by 4am 2019-02-08",$00
!text "Passport by 4am 2019-02-09",$00
.mainmenu
!text "________________________________________",$8D,$8D,$8D,$8D,$8D,$8D,$8D
!text " "