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<h1> words/d-plus.asm </h1> |
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<pre> |
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; ( d1 d2 -- d3) Arithmetics |
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; R( -- ) |
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; add double cell values |
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VE_DPLUS: |
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.db $02, "d+",0 |
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.dw VE_HEAD |
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.set VE_HEAD = VE_DPLUS |
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XT_DPLUS: |
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.dw PFA_DPLUS |
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PFA_DPLUS: |
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ld temp2, Y+ |
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ld temp3, Y+ |
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ld temp4, Y+ |
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ld temp5, Y+ |
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ld temp6, Y+ |
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ld temp7, Y+ |
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add tosl, temp4 |
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adc tosh, temp5 |
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adc temp2, temp6 |
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adc temp3, temp7 |
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st -Y, temp3 |
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st -Y, temp2 |
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jmp DO_NEXT |
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