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viewsWhy in MOS 6502 the SBC subtracts 2 instead of 1 the first time?
I am trying to learn Assembly for MOS 6502 and I came across unusual behavior when testing my code on online emulator. Code LDA #$5 ; A=5 SBC #$1 ; A=3 mas deveria ser 4 SBC #$1 ; A=2 mas deveria…