INSTRUCTION DESCRIPTIONS

JCLR

Jump if Bit Clear

Instruction Format:

JCLR #n,X:pp,xxxx

JCLR #n,Y:pp,xxxx

Opcode:

JCLR

 

23

16

15

8

 

7

0

 

 

0 0 0 0 1 0 1 0

1 0 p

p p p p p

1 S 0 b b b b b

 

 

 

 

 

 

 

 

 

 

 

 

 

ABSOLUTE ADDRESS EXTENSION

 

 

 

 

 

 

 

 

 

 

 

 

Instruction Fields:

#n=bit number=bbbbb,

pp=6-bit I/O Short Address=pppppp xxxx=16-bit Absolute Address in extension word

I/O Short Address pppppp

Memory SpaceS

Bit Number bbbbb

000000

X Memory

0

00000

Y Memory

1

 

 

10111

111111

Timing: 6+jx oscillator clock cycles

Memory: 2 program words

A - 114

INSTRUCTION SET DETAILS

MOTOROLA

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Image 383
Motorola 24-Bit Digital Signal Processor, DSP56000 manual Jclr #n,Xpp,xxxx Jclr #n,Ypp,xxxx