The 68000 and its first instructions

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Following execution register by register, predicting the flags, and writing first programs. Chapter 2.

Exercise · Following execution

At the start, D0 is $00000000 and D1 is $12345678. Give D0, D1 and the flags N, Z, V, C after each line.

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6        MOVEQ   #-1,D0
        MOVE.B  #5,D0
        MOVE.W  #$100,D1
        ADD.W   D0,D1
        SUB.B   #5,D0
        CLR.W   D0