INSTRUCTION DESCRIPTIONS

BSET

Bit Test and Set

Instruction Format:

 

 

 

 

 

BSET

#n,X:aa

 

 

 

 

 

BSET

#n,Y:aa

 

 

 

 

 

Opcode:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23

16

15

8

7

0

 

 

 

 

 

 

 

 

 

 

0 0 0 0 1 0 1 0

0 0 a a

a a a a

0 S 1 b b b b b

 

 

 

 

 

 

 

 

 

 

Instruction Fields:

#n=bit number=bbbbb,

aa=6-bit Absolute Short Address=aaaaaa

Absolute Short Address aaaaaa

Memory SpaceS

Bit Number bbbbb

000000

X Memory

0

00000

Y Memory

1

 

 

10111

111111

 

 

 

Timing: 4+mvb oscillator clock cycles

Memory: 1+ea program words

A - 60

INSTRUCTION SET DETAILS

MOTOROLA

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Image 329
Motorola 24-Bit Digital Signal Processor, DSP56000 manual 0 0 1 0 1 A a 1 b b b b b