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save 3 bytes, patch by Daniel Serpell

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git-svn-id: svn://svn.cc65.org/cc65/trunk@4476 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cpg 2009-11-23 21:21:49 +00:00
parent 2011f92c3a
commit 314984aae4
1 changed files with 4 additions and 5 deletions
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9
libsrc/atari/open.s
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@ -27,12 +27,11 @@
.proc _open
cpy #4 ; correct # of arguments (bytes)?
dey ; parm count < 4 shouldn't be needed to be checked
dey ; (it generates a c compiler warning)
dey
dey
beq parmok ; parameter count ok
tya ; parm count < 4 shouldn't be needed to be checked
sec ; (it generates a c compiler warning)
sbc #4
tay
jsr addysp ; fix stack, throw away unused parameters
parmok: jsr findfreeiocb