dsp56800e Freescale Semiconductor, Inc, dsp56800e Datasheet - Page 653

• Manufacturer Part Number: dsp56800e
• Description: 16-bit Digital Signal Controller Core
• Manufacturer: Freescale Semiconductor, Inc

TSTDECA.W
Instruction Fields:
Instruction Opcodes:
Timing:
Memory:
Freescale Semiconductor
TSTDECA.W
TSTDECA.W Rn
Operation
3 oscillator clock cycles
1 program word
Operands
Rn
C
3
Word in AGU Register
Test and Decrement
W
1
15
1
Instruction Set Details
Test and decrement AGU register.
Note: Only operates on the lower 16 bits of the register. The upper 8
bits are forced to zero.
This instruction is compatible with the DSP56800’s
instruction.
0
0
12
0
11
0
1
0
Comments
0
8
7
1
TSTDECA.W
0
1
0
4
TSTW (Rn)-
R
3
0
R
A-309
R
0