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cc65/libsrc/runtime/or.s

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;
; Ullrich von Bassewitz, 05.08.1998
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; Christian Krueger, 11-Mar-2017, added 65SC02 optimization
;
; CC65 runtime: or on ints
;
.export tosora0, tosorax
.import addysp1
.importzp sp, tmp1
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.macpack cpu
tosora0:
ldx #$00
tosorax:
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.if (.cpu .bitand ::CPU_ISET_65SC02)
ora (sp)
ldy #1
.else
ldy #0
ora (sp),y
iny
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.endif
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sta tmp1
txa
ora (sp),y
tax
lda tmp1
jmp addysp1 ; drop TOS, set condition codes