35 lines
544 B
C
35 lines
544 B
C
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#include "mc8051fun.h"
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#include "bcd.h"
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#pragma disable_warning 59 // Disable "must return a value" warning
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void long_div(__idata uint8_t *v1, __idata uint8_t *v2,
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__idata uint8_t *result, __idata uint8_t *rest, uint8_t len) __reentrant
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{
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(void)v1; (void)v2; (void)len;
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(void)result; (void)rest;
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__asm
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mov a,_bp
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add a,#0xfd
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mov r0,a
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mov a,@r0 ; *v2
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dec r0
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mov r1,a
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mov a,@r0 ; *result
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dec r0
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mov r2,a
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mov a,@r0 ; *rest
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dec r0
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mov r3,a
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mov a,@r0 ; len
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mov r7,a
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mov r0,dpl ; *v1
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lcall long_div
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__endasm;
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}
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