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61 lines
594 B
ArmAsm
61 lines
594 B
ArmAsm
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; Ullrich von Bassewitz, 05.10.1998
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; CC65 runtime: Make boolean according to flags
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;
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.export boolne, booleq, boollt, boolle, boolgt, boolge
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.export boolult, boolule, boolugt, booluge
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boolne: bne ret1
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ldx #$00
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txa
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rts
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booleq: beq ret1
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ldx #$00
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txa
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rts
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boolle: beq ret1
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boollt: bmi ret1
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ldx #$00
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txa
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rts
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boolgt: beq L0
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boolge: bpl ret1
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L0: ldx #$00
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txa
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rts
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boolule:
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beq ret1
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boolult:
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bcc ret1
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ldx #$00
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txa
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rts
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boolugt:
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beq L1
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booluge:
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bcs ret1
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L1: ldx #$00
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txa
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rts
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ret1: ldx #$00
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lda #$01
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rts
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