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patcher cleanup, combine jmpbeca and jmpbeca2
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4am
parent
9dff1a598f
commit
6554b44b3d
@ -669,7 +669,6 @@ _applyToT00
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!source "patchers/jmpbcf0.a"
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!source "patchers/jmpbeb1.a"
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!source "patchers/jmpbeca.a"
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!source "patchers/jmpbeca2.a"
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!source "patchers/jmpb660.a"
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!source "patchers/jmpb720.a"
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!source "patchers/bademu.a"
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@ -5,7 +5,6 @@
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; e.g. Troll's Tale
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;-------------------------------
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!zone {
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jmpb4bb
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lda gIsMaster ; if DOS 3.3 lomem bootloader
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bne .exit
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lda #$0C
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@ -18,9 +18,22 @@ _jmpb4bbhi
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lda #s_jmpb4bb
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jsr PrintByID
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lda #$0C
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ldx #$84
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ldy #$03
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jsr modify ; then set T00,S0C,$84 =
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!byte $AD,$E9,$B7
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;
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; also check a variant that redirects the DOS input
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; vector through code that is only loaded by the
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; protection check we just bypassed
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;
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lda #$0D
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ldx #$BA
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ldy #$03
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jsr compare ; if T00,S0D,$BA ==
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!byte $4C,$0B,$B7
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bcs .exit
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ldy #$03
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jsr modify ; then set T00,S0D,$BA =
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!byte $6C,$38,00
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.exit
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}
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@ -12,10 +12,20 @@ _jmpb660
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ldx #$DC
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ldy #$1D
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jsr compare ; and T00,S02,$DC ==
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!byte $A0,$20,$88,$F0,$61,$BD,$8C,$C0
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!byte $10,$FB,$49,$97,$D0,$F4,$EA,$BD
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!byte $8C,$C0,$10,$FB,$C9,$97,$D0,$F2
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!byte $A0,$56,$4C,$60,$B6
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!byte $A0,$20
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!byte $88
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!byte $F0,$61
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!byte $BD,$8C,$C0
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!byte $10,$FB
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!byte $49,$97
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!byte $D0,$F4
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!byte $EA
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!byte $BD,$8C,$C0
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!byte $10,$FB
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!byte $C9,$97
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!byte $D0,$F2
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!byte $A0,$56
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!byte $4C,$60,$B6
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bcs .exit
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lda #s_jmpb660
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jsr PrintByID
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@ -13,14 +13,22 @@ _jmpb720
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ldx #$08
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ldy #$18
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jsr compare ; and T00,S0B,$08 ==
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!byte $4C,$20,$B7,$4C,$0E,$A9,$A2,$02
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!byte $BD,$0B,$B7,$9D,$5E,$B8,$BD,$08
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!byte $B7,$9D,$F6,$B8,$CA,$10,$F1,$60
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!byte $4C,$20,$B7
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!byte $4C,$0E,$A9
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!byte $A2,$02
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!byte $BD,$0B,$B7
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!byte $9D,$5E,$B8
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!byte $BD,$08,$B7
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!byte $9D,$F6,$B8
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!byte $CA
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!byte $10,$F1
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!byte $60
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bcs .exit
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lda #$0B
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ldx #$08
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ldy #$06
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jsr modify ; then set T00,S0B,$08 =
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!byte $BD,$8C,$C0,$20,$B8,$B8
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!byte $BD,$8C,$C0
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!byte $20,$B8,$B8
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.exit
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}
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@ -14,7 +14,9 @@ _jmpbcf0
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ldx #$94
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ldy #$08
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jsr compare ; and T00,S03,$94 ==
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!byte $DD,$8C,$C0,$D0,$A9,$4C,$F0,$BC
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!byte $DD,$8C,$C0
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!byte $D0,$A9
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!byte $4C,$F0,$BC
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bcs .exit
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lda #s_jmpbcf0
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jsr PrintByID
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@ -22,6 +24,9 @@ _jmpbcf0
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ldx #$94
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ldy #$08
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jsr modify ; then set T00,S03,$94 =
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!byte $EA,$BD,$8C,$C0,$10,$FB,$C9,$AA
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!byte $EA
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!byte $BD,$8C,$C0
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!byte $10,$FB
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!byte $C9,$AA
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.exit
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}
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@ -13,23 +13,29 @@ _jmpbeb1
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lda #$02
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ldx #$48
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ldy #$10
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jsr compare ; and T00,S03,$48 ==
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!byte $A0,$03,$48,$68,$20,$B9,$B8,$88
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!byte $D0,$F8,$4C,$B1,$BE,$EA,$EA,$A9
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jsr compare ; and T00,S02,$48 ==
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!byte $A0,$03
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!byte $48
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!byte $68
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!byte $20,$B9,$B8
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!byte $88
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!byte $D0,$F8
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!byte $4C,$B1,$BE
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!byte $EA
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!byte $EA
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!byte $A9
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bcs .exit
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lda #$02
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ldx #$59
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ldy #$04
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jsr compare ; and T00,S02,$59 ==
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!byte $20,$B8,$B8,$A9
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!byte $20,$B8,$B8
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!byte $A9
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bcs .exit
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lda #$02
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ldx #$5E
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ldy #$03
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jsr compare ; and T00,S04,$5E ==
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jsr compare ; and T00,S02,$5E ==
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!byte $20,$BB,$B8
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bcs .exit
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lda #$02
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ldx #$49
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ldy #$01
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jsr modify ; then set T00,S02,$49 =
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@ -7,23 +7,43 @@
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; patchers due to overlapping bytes
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;-------------------------------
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!zone {
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_jmpbeca
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lda gIsRWTS ; if DOS 3.3 RWTS
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bne .exit
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lda #$02
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ldx #$F4
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ldy #$0D
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jsr compare ; and T00,S02,$F4 ==
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!byte $EA,$BD,$8C,$C0,$10,$FB,$C9,$AD
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!byte $D0,$E8,$4C,$CA,$BE
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!byte $EA
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!byte $BD,$8C,$C0
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!byte $10,$FB
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!byte $C9,$AD
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!byte $D0,$E8
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!byte $4C,$CA,$BE
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bcc .yes
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;
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; variant seen in Library Magic
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;
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ldy #$0D
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jsr compare ; or T00,S02,$F4 ==
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!byte $4C,$CA,$BE
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!byte $EA
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!byte $BD,$8C,$C0
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!byte $10,$FB
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!byte $49
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!byte $AD,$D0,$DD
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bcs .exit
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.yes
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lda #s_jmpbeca
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jsr PrintByID
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lda #$02
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ldx #$F4
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ldy #$0D
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jsr modify ; and set T00,S02,$F4 =
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!byte $A0,$56,$BD,$8C,$C0,$10,$FB,$C9
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!byte $AD,$D0,$E7,$A9,$00
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!byte $A0,$56
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!byte $BD,$8C,$C0
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!byte $10,$FB
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!byte $C9,$AD
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!byte $D0,$E7
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!byte $A9,$00
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.exit
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}
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@ -1,30 +0,0 @@
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;-------------------------------
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; #JMPBECA2
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; RWTS calls $BECA for funny business
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; instead of checking data prologue
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; (variation #2)
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; e.g. Library Magic
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; NOTE: must be run before RWTS
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; patchers due to overlapping bytes
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;-------------------------------
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!zone {
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_jmpbeca2
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lda gIsRWTS ; if DOS 3.3 RWTS
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bne .exit
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lda #$02
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ldx #$F4
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ldy #$0D
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jsr compare ; and T00,S02,$F4 ==
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!byte $4C,$CA,$BE,$EA,$BD,$8C,$C0,$10
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!byte $FB,$49,$AD,$D0,$DD
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bcs .exit
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lda #s_jmpbeca
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jsr PrintByID
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lda #$02
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ldx #$F4
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ldy #$0D
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jsr modify ; and set T00,S02,$F4 =
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!byte $A0,$56,$BD,$8C,$C0,$10,$FB,$C9
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!byte $AD,$D0,$E7,$A9,$00
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.exit
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}
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