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| 1 | BCDE_Times_A: | |
| 2 | ;Inputs: BC:DE,A | |
| 3 | ;Outputs: A:HL:IX is the 40-bit product, BC,DE unaffected | |
| 4 | ;503cc~831cc | |
| 5 | ;667cc average | |
| 6 | ;29 bytes | |
| 7 | ld ix,0 | |
| 8 | ld hl,0 | |
| 9 | call +_ | |
| 10 | _: | |
| 11 | call +_ | |
| 12 | _: | |
| 13 | call +_ | |
| 14 | _: | |
| 15 | add ix,ix \ adc hl,hl \ rla \ ret nc | |
| 16 | add ix,de \ adc hl,bc \ adc a,0 | |
| 17 | ret |
