Analog Devices ADSP-21261 SHARC Hardware Reference Manual page 87

Table 2-7. Fixed-Point Multiplier Instruction Summary
Instruction
Fixed-Point:
For Input Mods, see
Table 2-8
Rn = Rx * Ry
MRF = Rx * Ry
MRB = Rx * Ry
Rn = MRF + Rx * Ry
Rn = MRB + Rx * Ry
MRF = MRF + Rx * Ry
MRB = MRB + Rx * Ry
Rn = MRF – Rx * Ry
Rn = MRB – Rx * Ry
MRF = MRF – Rx * Ry
MRB = MRB – Rx * Ry
Rn = SAT MRF
Rn = SAT MRB
MRF = SAT MRF
MRB = SAT MRB
Rn = RND MRF
Rn = RND MRB
MRF = RND MRF
MRB = RND MRB
MRF = 0
MRB = 0
MRxF = Rn
MRxB = Rn
Rn = MRxF
Rn = MRxB
ADSP-2126x SHARC Processor Hardware Reference
Input ASTATx,y Flags
Mods
MU MN
1 * *
1 * *
1 * *
1 * *
1 * *
1 * *
1 * *
1 * *
1 * *
1 * *
1 * *
2 * *
2 * *
2 * *
2 * *
3 * *
3 * *
3 * *
3 * *
– 0 0
– 0 0
– 0 0
– 0 0
– 0 0
– 0 0
Processing Elements
STKYx,y Flags
MV MI MUS MOS MVS
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
* 0 – **
0 0 – –
0 0 – –
0 0 – –
0 0 – –
0 0 – –
0 0 – –
MIS
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
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