MC68340 datasheet(164/441 Pages) FREESCALE

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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

—

False*

NE —

Not equal

GE —

Greater or equal

PL —

Plus

GT —

Greater than

—

True

—

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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