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<h1> words/d-minus.asm </h1> |
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<pre> |
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; ( d1 d2 -- d3 ) Arithmetics |
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; R( -- ) |
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; subtract double cell values |
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VE_DMINUS: |
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.db $02, "d-",0 |
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.dw VE_HEAD |
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.set VE_HEAD = VE_DMINUS |
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XT_DMINUS: |
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.dw PFA_DMINUS |
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PFA_DMINUS: |
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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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ld temp2, Y+ |
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ld temp3, Y+ |
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sub tosl, temp4 |
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sbc tosh, temp5 |
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sbc temp2, temp6 |
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sbc 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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