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21 lines
336 B
ArmAsm
21 lines
336 B
ArmAsm
;
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; acqn, 01.16.2020
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; CC65 runtime: boolean cast for longs
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;
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.export bcasteax
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.importzp sreg, tmp1
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bcasteax:
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stx tmp1
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ldx #0 ; High byte of result
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ora tmp1
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ora sreg
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ora sreg+1
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beq L0
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lda #1
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L0: rts
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