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32 lines
606 B
ArmAsm
32 lines
606 B
ArmAsm
;
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; Ullrich von Bassewitz, 05.08.1998
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; Christian Krueger, 11-Mar-2017, added 65SC02 optimization
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;
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; CC65 runtime: xor on ints
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;
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.export tosxora0, tosxorax
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.import addysp1
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.importzp sp, tmp1
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.macpack cpu
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tosxora0:
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ldx #$00
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tosxorax:
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.if (.cpu .bitand CPU_ISET_65SC02)
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eor (sp)
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ldy #1
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.else
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ldy #0
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eor (sp),y
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iny
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.endif
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sta tmp1
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txa
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eor (sp),y
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tax
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lda tmp1
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jmp addysp1 ; drop TOS, set condition codes
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