Tests, jumps and loops · 68000 assembly

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Tests, jumps and loops

Choosing the right branch, translating if, while and for, and writing loops over arrays and strings. Chapter 4.

Exercise · Find the mistake

This program is meant to clear the 10 words of TAB. What does it really do? Fix it.

        LEA     TAB,A0
        MOVE.W  #10,D1
BCL     CLR.W   (A0)+
        DBRA    D1,BCL