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shave some bytes

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This commit is contained in:
4am 2021-06-12 00:50:09 -04:00
parent 24a67c61fc
commit 154aea3cd9
43 changed files with 30 additions and 84 deletions
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6
src/compare.a
View File

@ -182,8 +182,7 @@ all_done_set
; (like "." character in regular expressions)
; out: C clear if string matches
; or set if not matched
; A,X unchanged
; Y clobbered
; A,X,Y preserved
; $tmp zero page clobbered
; $cmp1 zero page clobbered
; $cmp2 zero page clobbered
@ -195,6 +194,7 @@ compare
CompareMemory
sta cmp1+1
stx cmp1
sty compare_tmp_y
pla
sta cmp2
pla
@ -226,5 +226,7 @@ CompareMemory
sec
sbc #BASEPAGE
ldx cmp1
compare_tmp_y=*+1
ldy #$FD ; SMC
plp
rts

6
src/modify.a
View File

@ -10,12 +10,12 @@
; $moddest zero page clobbered
; stack set to return to
; code after string
; A,X preserved
; Y clobbered
; A,X,Y preserved
; oVerflow bit clear
; all other flags clobbered
;-------------------------------
modify
sty mod_tmp_y
sta gDisplayBytes
clc
adc #BASEPAGE
@ -68,5 +68,7 @@ modify
@exitnomod
lda gDisplayBytes
ldx moddest
mod_tmp_y=*+1
ldy #$FD ; SMC
clv
rts

1
src/patchers/bademu2.a
View File

@ -26,7 +26,6 @@
!byte $C9,$D5 ; CMP #$D5
!byte $F0,$12 ; BEQ +$12
bcs .exit ; passport-test-suite/Dinosaur Days.woz [C=0] matches
lda #$03
ldx #$59
ldy #$02
jsr modify ; then set T00,S03,$59 =

3
src/patchers/bb03.a
View File

@ -46,7 +46,6 @@
jsr compare ; if T00,S01,$38 ==
!byte $20,$03,$BB; JSR $BB03
bcc .variant1
ldy #$03
jsr compare ; if T00,S01,$38 ==
!byte $4C,$03,$BB; JMP $BB03
bcs .no
@ -63,7 +62,7 @@
!byte $6B,$F6 ; encrypted, decrypts to 'BNE +$5C' which will unconditionally branch to success path at $BBC9
lda #$06
ldx #$0F
ldy #$01
dey
jsr modify ; and set T00,S06,$0F =
!byte $89 ; encrypted, decrypts to $10 which is the expected nibble count value
; unconditional branch (V is always 0 coming out of modify)

1
src/patchers/c9ff.a
View File

@ -37,7 +37,6 @@
jsr modify
!byte $DE
jsr inx0A
ldy #$01
jsr modify
!byte $AA
.exit

1
src/patchers/corrupter.a
View File

@ -33,7 +33,6 @@
!byte $D0,$F1 ; BNE -$F1
bcs .exit
ldx #$A4
ldy #$0F
jsr compare
!byte $A9,$23 ; LDA #$23
!byte $85,$02 ; STA $02

6
src/patchers/diskvol.a
View File

@ -36,8 +36,6 @@
jsr compare ; and T00,S01,$EB !=
!byte $FE
bcc .exit
ldy #$01
jsr compare ; and T00,S01,$EB !=
!byte $00
bcc .exit
@ -52,8 +50,8 @@
bcc .veryyes ; passport-test-suite/The Incredible Laboratory.woz [C=0] matches
ldx #$16 ; or T00,S08,$16 == the same thing
ldy #$05 ; (variation used by PanglosDOS)
jsr compare ; preserves A/X
; (variation used by PanglosDOS)
jsr compare ; preserves A/X/Y
!byte $A0,$03
!byte $B1,$48
!byte $48

1
src/patchers/dos32dlm.a
View File

@ -18,7 +18,6 @@
jsr compare ; if T00,S0B,$84 ==
!byte $4C,$F0,$BC
bcs .exit ; passport-test-suite/Demolition Division.woz [C=0] matches
ldy #$03
jsr modify ; then set T00,S0B,$84 =
!byte $AD,$E9,$B7
.exit

2
src/patchers/dos32muse.a
View File

@ -17,7 +17,7 @@
jsr compare ; if T01,S08,$D6 ==
!byte $4C,$D5
bcs .exit ; passport-test-suite/Castle Wolfenstein.woz [C=0] matches
ldy #$03
iny
jsr modify ; then set T01,S08,$D6 =
!byte $E8,$D0,$32
.exit

2
src/patchers/earthware.a
View File

@ -18,7 +18,7 @@ EARTHWARE
ldy #$03
jsr compare
!byte $4C,$89,$B6
bcs @exit
bcs @exit ; passport-test-suite/Zoo Master.woz [C=0] here
sta gDisplayBytes
pha
lda #s_bytrack

1
src/patchers/hoffman.a
View File

@ -35,7 +35,6 @@
lda #s_hoffman
jsr PrintByID
lda #$0C
ldx #$00
ldy #$01
jsr modify ; then set T00,S0C,$00 =
;

4
src/patchers/holle.a
View File

@ -36,7 +36,6 @@
jsr compare
!byte $DE
bcc +
ldy #$01
jsr modify
!byte $DE
+
@ -52,7 +51,6 @@
jsr compare
!byte $DE
bcc +
ldy #$01
jsr modify
!byte $DE
+
@ -67,8 +65,6 @@
jsr compare ; first data epilogue nibble (write)
!byte $DE
bcc +
ldx #$9E
ldy #$01
jsr modify
!byte $DE
+

2
src/patchers/jmpae8e.a
View File

@ -17,7 +17,7 @@
lda #s_jmpae8e
jsr PrintByID
lda #$0D
ldx #$4E
inx
ldy #$02
jsr modify ; then set T00,S0D,$4E =
!byte $80,$A1

2
src/patchers/jmpb400.a
View File

@ -50,10 +50,10 @@
sta gDisplayBytes ; address (hi)
lda #$00
sta gDisplayBytes+1 ; address (lo)
tax
lda #s_beforedos
jsr PrintByID
lda #$03
ldx #$00
tay
jsr modify ; then set T02,S03,$00 =
!byte $4C,$84,$9D

1
src/patchers/jmpb4bb.a
View File

@ -54,7 +54,6 @@
!byte $AD,$FF,$CF; LDA $CFFF
bcc .found ; passport-test-suite/Kamikaze.woz [C=0] matches
ldx #$DD
ldy #$04
jsr compare ; or T02,S0x,$DD ==
!byte $D8 ; CLD
!byte $AD,$FF,$CF; LDA $CFFF

2
src/patchers/jmpb720.a
View File

@ -24,8 +24,6 @@ _jmpb720
!byte $10,$F1
!byte $60
bcs .exit ; passport-test-suite/Analogies Tutorial.woz [C=0] matches
lda #$0B
ldx #$08
ldy #$06
jsr modify ; then set T00,S0B,$08 =
!byte $BD,$8C,$C0

2
src/patchers/jmpbbfe.a
View File

@ -136,7 +136,7 @@ _jmpbbfe
+ !byte $FD ; SMC (byte offset of new entry point)
ldx #$5E
ldy #$02
iny ; Y=#$02
jsr compare ; check for code that branches over serial number
!byte $D0,$05
bcs .exit

1
src/patchers/jmpbcf0.a
View File

@ -22,7 +22,6 @@ _jmpbcf0
lda #s_jmpbcf0
jsr PrintByID
lda #$03
ldx #$94
ldy #$08
jsr modify ; then set T00,S03,$94 =
!byte $EA

1
src/patchers/jmpbeb1.a
View File

@ -71,7 +71,6 @@ _jmpbeb1
jsr modify ; and set T00,S02,$52 =
!byte $A9,$D5
_jsr !byte $20,$B8,$d1; final byte set at runtime
lda #$02
ldx #$5F
ldy #$01
jsr modify ; and set T00,S02,$5F =

1
src/patchers/jmpbeca.a
View File

@ -24,7 +24,6 @@
;
; variant seen in Library Magic
;
ldy #$0D
jsr compare ; or T00,S02,$F4 ==
!byte $4C,$CA,WILDCARD
!byte $EA

2
src/patchers/laureate.a
View File

@ -28,7 +28,6 @@
jsr compare
.valuea !byte $d1
bcc +
ldy #$01
jsr modify
.valueb !byte $d1
+ dec .loop+1
@ -40,7 +39,6 @@
jsr compare
!byte $B1,$48
bcs .exit
ldy #$02
jsr modify
!byte $A9,$00
.exit

1
src/patchers/mecc.a
View File

@ -35,7 +35,6 @@
!byte $D1 ; SMC
bcc +
ldy #$01
jsr modify
.modbyte
!byte $D1 ; SMC

1
src/patchers/meccdqc.a
View File

@ -43,7 +43,6 @@
!byte $D1 ; SMC
bcc +
ldy #$01
jsr modify
.modbyte
!byte $D1 ; SMC

5
src/patchers/methods.a
View File

@ -40,14 +40,13 @@
ldy #$01
jsr modify ; then set T00,S00,$BD =
!byte $24 ; BIT
lda #$01
tya
ldx #$47
ldy #$03
jsr compare ; if T00,S01,$47 ==
!byte $4C,$CE,$36; JMP $36CE
bcs .exit
lda #$01
ldx #$48
inx
ldy #$01
jsr modify ; then set T00,S01,$48 =
!byte $D8

2
src/patchers/microfun2.a
View File

@ -14,8 +14,6 @@
jsr compare
!byte $4C,$B8,$B6
bcs .exit ; passort-test-suite/Crown Of Arthain.woz [C=0] matches
sta gDisplayBytes
ldy #$03
jsr modify
!byte $20,$B8,$B8
.exit

1
src/patchers/milliken.a
View File

@ -15,7 +15,6 @@
jsr compare ; and T00,S01,$48 ==
!byte $03,$9B
bcs .exit ; passport-test-suite/Tangrams Puzzler.woz [C=0] matches
ldy #$02
jsr modify ; then set T00,S01,$48 =
!byte $84,$9D
.exit

4
src/patchers/muserwts.a
View File

@ -15,12 +15,10 @@
jsr compare ; if T00,S06,$F2 ==
!byte $20,$B6,$B6
bcs .exit ; passport-test-suite/The Function Game.woz [C=0] matches
pha
lda #6
sta gDisplayBytes
lda #s_bytrack
jsr PrintByID
pla
lda #$06
ldy #$01
jsr modify ; then set T00,S06,$F2 =
!byte $2C

2
src/patchers/pascalrwts.a
View File

@ -30,7 +30,6 @@
jsr compare ; and T00,S0D,$51 !=
!byte $AA
bcc +
ldy #$01
jsr modify
!byte $AA
@ -52,7 +51,6 @@
jsr compare ; and T00,S0F,$7B !=
!byte $AA
bcc +
ldy #$01
jsr modify
!byte $AA
+

1
src/patchers/prodosmecc.a
View File

@ -20,7 +20,6 @@
jsr compare
!byte $DE
bcc +
ldy #$01
jsr modify
!byte $DE
+

1
src/patchers/prodosrwts.a
View File

@ -26,7 +26,6 @@ _prodosrwts
jsr compare
!byte $DE
bcc .exit
ldy #$01
jsr modify
!byte $DE
.exit

6
src/patchers/protecteddos.a
View File

@ -39,7 +39,7 @@
tax
.swapper2
lda #$FF ; modified at runtime
ldy #$01
;Y=#$01
jsr modify ; offset $08. $D5 -> 9B
!byte $9B
@ -111,7 +111,7 @@
!byte $AD
lda #$02
ldx #$B7
ldy #$01
;Y=#$01
jsr modify ; and set T01,S02,$B7 =
!byte $9B
@ -163,7 +163,6 @@
jsr compare ; if T00,S01,$93 ==
!byte $4C,$00,$B8
bcs .skipcheck ; passport-test-suite/Ultima IV.woz [C=0] matches
ldy #$03
jsr modify ; then set T00,S01,$93 =
!byte $AC,$E5,$B7
.skipcheck
@ -179,7 +178,6 @@
jsr compare ; if T00,S05,$15 ==
!byte $A5,$2F
bcs .exit ; passport-test-suite/Math Blaster v080584.woz [C=0] matches
ldy #$02
jsr modify ; then set T00,S05,$15 =
!byte $A9,$00

2
src/patchers/rdos13.a
View File

@ -22,7 +22,6 @@
lda #$9
ldx #$89
ldy #3
jsr modify
!byte $04 ;sync delay
!byte $48 ;PHA
@ -50,7 +49,6 @@
jsr compare
!byte $C9,$D5 ;CMP #$D5
bcc +
ldy #2
jsr modify
!byte $C9,$D5 ;CMP #$D5

4
src/patchers/rps.a
View File

@ -60,7 +60,7 @@
; /!\ execution falls through here
.variant1
lda #$01
;A=#$01 here regardless of how we got here
ldx #$87
ldy #$03
jsr compare ; if T00,S01,$87 ==
@ -71,7 +71,6 @@
jsr modify ; then set T00,S01,$8E =
!byte $F8 ; change branch to unconditionally jump to success path
ldx #$92
ldy #$01
jsr modify ; and set T00,S01,$92 =
!byte $F1 ; change branch to unconditionally jump to success path
bvc .exit ; always branches
@ -88,7 +87,6 @@
jsr modify ; then set T00,S01,$8E =
!byte $F9 ; change branch to unconditionally jump to success path
ldx #$92
ldy #$01
jsr modify ; and set T00,S01,$92 =
!byte $F2 ; change branch to unconditionally jump to success path
.exit

2
src/patchers/rwtslog.a
View File

@ -109,8 +109,6 @@
; David-DOS variant
lda #$05
sta gDisplayBytes
ldx #$8B
ldy #$09
jsr compare ; or T00,S05,$8B ==
!byte $BD,$8C,$C0
!byte $10,$FB

3
src/patchers/rwtsswap.a
View File

@ -21,7 +21,6 @@
!byte $10,$F7
bcs .exit
ldx #$7F
ldy #$0B
jsr compare ; and T00,S04,$7F ==
!byte $A0,$07
!byte $B9,$E7,$BC
@ -33,9 +32,7 @@
ldy #$01
jsr modify ; then set T00,S04,$69 =
!byte $60
lda #$04
ldx #$7F
ldy #$01
jsr modify ; and set T00,S04,$7F =
!byte $60
.exit

2
src/patchers/rwtsswap2.a
View File

@ -40,9 +40,7 @@ _rwtsswap2
ldy #$01
jsr modify ; then set T00,S04,$69 =
!byte $60
lda #$04
ldx #$7D
ldy #$01
jsr modify ; and set T00,S04,$7D =
!byte $60
.exit

8
src/patchers/ssprot.a
View File

@ -46,12 +46,10 @@
!byte $23,$2A,$28
bcc .variant1 ; passport-test-suite/Creative Contraptions.woz [C=0] matches
ldy #$03
jsr compare
!byte $70,$79,$77
bcc .variant2 ; passport-test-suite/Wortgefecht.woz [C=0] matches
ldy #$03
jsr compare
!byte $23,$2A,$24 ; passport-test-suite/Metric System Tutor.woz [C=0] matches
bcc .variant3
@ -67,7 +65,7 @@
!byte $EA ; NOP
!byte $A9,$35 ; LDA #$35
ldx #$76
ldy #$02
dey
jsr modify
!byte $AA,$A2 ; new JMP entry point ($0900 when decrypted)
bvc .nextsector ; always branches
@ -79,7 +77,7 @@
!byte $EA ; NOP
!byte $A9,$27 ; LDA #$27
ldx #$76
ldy #$02
dey
jsr modify ; new JMP entry point ($0903 when decrypted)
!byte $FA,$F2
bvc .nextsector ; always branches
@ -91,7 +89,7 @@
!byte $EA ; NOP
!byte $A9,$27 ; LDA #$27
ldx #$76
ldy #$02
dey
jsr modify ; new JMP entry point ($0903 when decrypted)
!byte $A9,$A1

10
src/patchers/sunburst.a
View File

@ -67,21 +67,19 @@
!byte $D0
bcs .exit
ldx #$9C
ldy #$01
jsr compare ; and T00,S03,$9C ==
!byte $F0
bcs .exit
lda #$04
ldx #$69
ldy #$04
tay
jsr compare ; and T00,S04,$69 ==
!byte $48
!byte $A5,$2A
!byte $4A
bcs .exit
lda #$06
ldx #$69
ldy #$06
tay
jsr compare ; and T00,S06,$69 ==
!byte $4C,$B8,$B6
!byte $EA
@ -102,14 +100,12 @@
ldy #$01
jsr modify ; then set T00,S03,$40 =
!byte $F0
lda #$03
ldx #$9C
ldy #$01
jsr modify ; and set T00,S03,$9C =
!byte $D0
lda #$06
ldx #$69
ldy #$06
tay
jsr modify ; and set T00,S06,$69 =
!byte $20,$C3,$BC
!byte $20,$C3,$BC

5
src/patchers/sve.a
View File

@ -15,9 +15,6 @@
jsr compare
!byte $4C,$71,$A9 ; JMP $A971
bcs .exit
lda #$08
ldx #$5A
ldy #$03
jsr modify
!byte $48,$A0,$01
lda #$06
@ -33,7 +30,7 @@
and #$7f
sta .config
lda #$06
ldx #$55
dex
ldy #$01
jsr modify
.config

3
src/patchers/swordthrust.a
View File

@ -28,11 +28,10 @@
jsr PrintByID
lda #$01
ldx #$81
ldy #$01
tay
jsr modify
!byte $2C
ldx #$84
ldy #$01
jsr modify
!byte $2C
.exit

1
src/patchers/t02volumename.a
View File

@ -73,7 +73,6 @@
!byte $D4,$C9,$C1,$C2,$D3,$D2,$C1,$C2
rts
.exitwithCR
lda #$8D
jsr PrintA

1
src/patchers/trillium2.a
View File

@ -33,7 +33,6 @@
inx
inx
inx
ldy #$01
jsr modify
!byte $A9 ; LDA
.exit

1
src/patchers/tsr.a
View File

@ -35,7 +35,6 @@
jsr modify ; then set T04,S0B,$A2 =
!byte $2C
ldx #$A7
ldy #$01
jsr modify ; and set T04,S0B,$A7 =
!byte $2C
.exit