Differences
This shows you the differences between two versions of the page.
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packed_bcd_addition [2016/06/01 17:04] ex_writer created |
packed_bcd_addition [2016/06/01 17:05] (current) ex_writer |
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| or A | or A | ||
| ret z ;test whether length = 0 | ret z ;test whether length = 0 | ||
| - | Loop: | + | Loop: ld A, (DE) ;get byte of adder |
| - | ld A, (DE) ;get byte of adder | + | |
| adc A, (HL) ;add it to addend, care for carry | adc A, (HL) ;add it to addend, care for carry | ||
| daa ;convert to BCD-decimal | daa ;convert to BCD-decimal | ||
