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Fix reverse copy Y compare

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This commit is contained in:
David Schmenk 2014-06-15 21:36:14 -07:00
parent ca10b04969
commit e2bac643b8
3 changed files with 6 additions and 0 deletions
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2
src/vmsrc/a1cmd.pla
View File

@ -159,6 +159,7 @@ end
; ;
; SET MEMORY TO VALUE ; SET MEMORY TO VALUE
; MEMSET(ADDR, SIZE, VALUE) ; MEMSET(ADDR, SIZE, VALUE)
; With optimizations from Peter Ferrie
; ;
asm memset asm memset
LDY #$00 LDY #$00
@ -249,6 +250,7 @@ REVCPY ;CLC
REVCPYLP LDA (SRC),Y REVCPYLP LDA (SRC),Y
STA (DST),Y STA (DST),Y
DEY DEY
CPY #$FF
BNE + BNE +
DEC DSTH DEC DSTH
DEC SRCH DEC SRCH

2
src/vmsrc/cmd.pla
View File

@ -184,6 +184,7 @@ end
; ;
; SET MEMORY TO VALUE ; SET MEMORY TO VALUE
; MEMSET(ADDR, SIZE, VALUE) ; MEMSET(ADDR, SIZE, VALUE)
; With optimizations from Peter Ferrie
; ;
asm memset asm memset
LDY #$00 LDY #$00
@ -274,6 +275,7 @@ REVCPY ;CLC
REVCPYLP LDA (SRC),Y REVCPYLP LDA (SRC),Y
STA (DST),Y STA (DST),Y
DEY DEY
CPY #$FF
BNE + BNE +
DEC DSTH DEC DSTH
DEC SRCH DEC SRCH

2
src/vmsrc/soscmd.pla
View File

@ -160,6 +160,7 @@ end
; ;
; SET MEMORY TO VALUE ; SET MEMORY TO VALUE
; MEMSET(ADDR, SIZE, VALUE) ; MEMSET(ADDR, SIZE, VALUE)
; With optimizations from Peter Ferrie
; ;
asm memset asm memset
LDY #$00 LDY #$00
@ -250,6 +251,7 @@ REVCPY ;CLC
REVCPYLP LDA (SRC),Y REVCPYLP LDA (SRC),Y
STA (DST),Y STA (DST),Y
DEY DEY
CPY #$FF
BNE + BNE +
DEC DSTH DEC DSTH
DEC SRCH DEC SRCH