user manual

MOTOROLA MC68340 USER’S MANUAL 5- 27
To specify conditions for change in program control, condition codes must be substituted
for the letters "cc" in conditional program control opcodes. Condition test mnemonics are
given below. Refer to 5.3.3.10 Condition Tests for detailed information on condition
codes.
CC — Carry clear LS — Low or same
CS — Carry set LT — Less than
EQ — Equal MI — Minus
F — False* NE — Not equal
GE — Greater or equal PL — Plus
GT — Greater than T — True
HI — High VC — Overflow clear
LE — Less or equal VS — Overflow set
*Not applicable to the Bcc instruction
5.3.3.9 SYSTEM CONTROL INSTRUCTIONS. Privileged instructions, trapping
instructions, and instructions that use or modify the CCR provide system control
operations. All of these instructions cause the processor to flush the instruction pipeline.
Table 5-11 summarizes the instructions. The preceding list of condition tests also applies
to the TRAPcc instruction. Refer to 5.3.3.10 Condition Tests for detailed information on
condition codes.
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