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40 lines
483 B
ArmAsm
40 lines
483 B
ArmAsm
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; Ullrich von Bassewitz, 08.08.1998
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;
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; void cputhex8 (unsigned char val);
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; void cputhex16 (unsigned val);
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;
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.export _cputhex8, _cputhex16
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.import _cputc
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.import __hextab
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_cputhex16:
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pha ; Save low byte
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txa ; Get high byte into A
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jsr _cputhex8 ; Output high byte
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pla ; Restore low byte and run into _cputhex8
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_cputhex8:
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pha ; Save the value
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lsr a
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lsr a
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lsr a
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lsr a
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tay
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lda __hextab,y
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jsr _cputc
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pla
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and #$0F
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tay
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lda __hextab,y
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jmp _cputc
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