INSTRUCTION DESCRIPTIONS

Jcc

Jump Conditionally

Instruction Fields:

cc=4-bit condition code=CCCC,

xxx=12-bit Short Jump Address=aaaaaaaaaaaa

Jcc

Mnemonic

C

C

C

C

Mnemonic

C

C

C

C

CC (HS)

0

0

0

0

CS (LO)

1

0

0

0

GE

0

0

0

1

LT

1

0

0

1

NE

0

0

1

0

EQ

1

0

1

0

PL

0

0

1

1

MI

1

0

1

1

NN

0

1

0

0

NR

1

1

0

0

EC

0

1

0

1

ES

1

1

0

1

LC

0

1

1

0

LS

1

1

1

0

GT

0

1

1

1

LE

1

1

1

1

Timing: 4+jx oscillator clock cycles

Memory: 1+ea program words

Instruction Format:

Jcc ea

Opcode:

2316 158 70

0 0 0 0 1 0 1 0 1 1 M M M R R R 1 0 1 0 C C C C

OPTIONAL EFFECTIVE ADDRESS EXTENSION

Instruction Fields:

cc=4-bit condition code=CCCC, ea=6-bit Effective Address=MMMRRR

A - 108

INSTRUCTION SET DETAILS

MOTOROLA

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Image 377
Motorola 24-Bit Digital Signal Processor, DSP56000 manual Jcc ea