27 lines
278 B
C
27 lines
278 B
C
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#include "bcd.h"
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void bcd_9cpl(__idata uint8_t *v1, uint8_t len) __reentrant
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{
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__asm
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mov a,_bp
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add a,#0xfd
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mov sp,a
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mov r0,dpl
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pop ar7
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clr c
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001$:
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mov a,#0x99
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subb a,@r0
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mov @r0,a
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inc r0
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djnz r7,001$
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mov sp,_bp
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__endasm;
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}
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