Z89323 Zilog., Z89323 Datasheet - Page 42
Z89323
Manufacturer Part Number
Z89323
Description
16-BIT DIGITAL SIGNAL PROCESSORS
Manufacturer
Zilog.
Datasheet
1.Z89323.pdf
(61 pages)
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INSTRUCTION FORMAT (Continued)
42
D15 D14 D13 D12 D11 D10 D9
D15 D14 D13 D12 D11 D10 D9
D15 D14 D13 D12 D11 D10 D9
Figure 38. Accumulator Modification Format
Figure 37. Immediate Data Load Format
D8
D8
D8
P R E L I M I N A R Y
D7
D7
D7
D6
D6
D6
D5
D5
D5
D4
D4
D4
D3
D3
D3
D2
D2
D2
D1
D1
D1
D0
D0
D0
Opcode
1 0 0 1 0 0 0
0 = Negative Condition
1 = Positive Condition
ACC Modification Codes
Condition Codes
0 0 0 0 TRUE
0 0 0 1 ----
0 0 1 0 U01=0
0 0 1 1 UO1=0
0 1 0 0 C =0
0 1 0 1 Z=0
0 1 1 0 OV=0
0 1 1 1 N=0
1 x x x - - - -
0 0 0 0 TRUE
0 0 0 1 - - - -
0 0 1 0 UO0=1
0 0 1 1 UO1=1
0 1 0 0 C=1
0 1 0 1 Z=1
0 1 1 0 OV=1
0 1 1 1 N=1
1 x x x - - - -
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
Immediate Data
1st Word
2nd Word
General Instruction Format
16-B
ROR Rotate right
ROL Rotate left
SHR Shift right
SHL Shift left
INC Increment (LSB)
DEC Decrement (LSB)
NEG Negate
ABS Absolute
DS95DSP0101 Q4/95
IT
D
IGITAL
S
IGNAL
Z89323/373/393
P
ROCESSORS
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