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Some optimization.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@4546 b7a2c559-68d2-44c3-8de9-860c34a00d81
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ol.sc 2010-01-08 23:09:02 +00:00
parent c71c75c162
commit 246a8db9ac
1 changed files with 9 additions and 9 deletions
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18
libsrc/apple2/apple2-40-48-16.s
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@ -567,16 +567,16 @@ next: sta ERR
; Must set an error code: NO
BAR:
bit $C082 ; Switch in ROM
lda X2
sta H2
inc Y2
ldx X2
stx H2
: ldy X1
lda Y1
jsr HLINE
inc Y1
lda Y2
cmp Y1
bne :-
ldx Y1
: txa
ldy X1
jsr HLINE ; Preserves X
inx
cpx Y2
bcc :-
bit $C080 ; Switch in LC bank 2 for R/O
rts