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2016 Update

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Tina Müller 2016-12-05 22:15:40 +01:00
parent 948b86eafa
commit dcf5d15da3
7965 changed files with 139854 additions and 31002 deletions
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8
Task/Function-definition/6502-Assembly/function-definition.6502 Normal file
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MULTIPLY: STX MULN ; 6502 has no "acc += xreg" instruction,
TXA ; so use a memory address
MULLOOP: DEY
CLC ; remember to clear the carry flag before
ADC MULN ; doing addition or subtraction
CPY #$01
BNE MULLOOP
RTS