MOTOROLA
DSP56000/DSP56001 USER’S MANUAL
A - 105
Instruction Format:
JSSET #n,S,xxxx
Opcode:
Instruction Fields:
#n=bit number=bbbbb,
S=source register=DDDDDD,
xxxx=16-bit Absolute Address in extension word
Destination Register
D D D D D D
Bit Number bbbbb
4 registers in Data ALU
0 0 0 1 D D
00000
8 accumulators in Data ALU
0 0 1 D D D
•
8 address registers in AGU
0 1 0 T T T
10111
8 address offset registers in AGU
0 1 1 N N N
8 address modifier registers in AGU
1 0 0 F F F
8 program controller registers
1 1 1 G G G
See A.9 Instruction Encoding and Table A-18 for specific register encodings.
Timing: 6+jx oscillator clock cycles
Memory: 2 program words
23
16
15
8
7
0
ABSOLUTE ADDRESS EXTENSION
0
0
0
0
1
0
1
0
1
1
D
D
D
D
D
D
0
0
1
b
b
b
b
b
JSSET
Jump to Subroutine if Bit Set
JSSET
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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