Motorola Axiom CMD11E1 Betriebsanweisung PDF herunterladen (Seite 24)

24 CHAPTER 2. INTRODUCTION TO LOOPING

compared are of opposite sign) and one for unsigned comparison where no special

cases need be considered.

2.5.2 compare and branch instructions: Unsigned

The following is based on the section named Branches in the M68HC11E Series

Programming Reference Guide commonly referred to as the little pink book. In

each case, the instruction compares a value in register r with a value in memory

Branch to LOCif A > MEM

CMPA MEM

BHI LOC *Branch if HIgher

Branch to LOCif A <= MEM

CMPA MEM

BLS LOC *Branch if Lower or Same

Branch to LOCif A >= MEM

CMPA MEM

BHS LOC *Branch if Higher or Same

Branch to LOCif A < MEM

CMPA MEM

BLO LOC *Branch if Lower

2.5.3 compare and branch instructions: Signed

Branch to LOCif A > MEM

CMPA MEM

BGT LOC *Branch if Greater Than

Branch to LOCif A <= MEM

CMPA MEM

BLE LOC *Branch if Lesser or Equal

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Motorola Axiom CMD11E1 Betriebsanweisung Seite 24