STMicroelectronics ST10 Series Programming Manual page 157

Addressing Modes
Mnemonic
CoMUL Rw , Rw
n
CoMUL- Rw , Rw
n
CoMUL Rw , Rw
n
CoMUL [IDX
CoMUL- [IDX
CoMUL [IDX
CoMUL Rw , [Rw
n
CoMUL- Rw , [Rw
n
CoMUL Rw , [Rw
n
Examples
CoMUL R0, R1, rnd
CoMUL- R2, [R6+]
CoMUL [IDX0+QX1], [R11+]
CoMUL- [IDX1-], [R15+QR0]
CoMUL [IDX1+QX0], [R9 - QR1], rnd
Multiplication Examples
Cases op 1
MP=0, MS=x 8000
MP=1, MS=0
MP=1, MS=1
MP=0, MS=x 7FFF
MP=1, MS=x
MP=1, MS=x
MP=0, MS=x 4001
MP=1, MS=x
MP=0, MS=x
MP=1, MS=x
m
m
, rnd
m
⊗], [Rw ⊗]
i m
⊗], [Rw ⊗]
i m
⊗], [Rw ⊗], rnd
i m
⊗]
m
⊗]
m
⊗], rnd
m
op 2 rnd MAE
8000 0 00
h h
0 00
0 00
7FFF 0 00
h h
0 00
1 00
F456 0 FF
h h
0 FF
1 FF
1 FF
ST10 FAMILY PROGRAMMING MANUAL
Rep Format
No A3 nm C0 00
No A3 nm C8 00
No A3 nm C1 00
No 93 Xm C0 0:0qqq
No 93 Xm C8 0:0qqq
No 93 Xm C1 0:0qqq
No 83 nm C0 0:0qqq
No 83 nm C8 0:0qqq
No 83 nm C1 0:0qqq
; (ACC) <-- (R0)*(R1) + rnd
; (ACC)<-- -(R2)*((R6))
; (R6) <-- (R6) + 2
; (ACC) <-- ((IDX0))*((R11))
; (R11)<-- (R11) + 2
; (IDX0) <-- (IDX0) + (QX1)
; (ACC) <-- -((IDX1))*((R15))
; (R15) <-- (R15) + (QR0)
; (IDX1) <-- (IDX1) - 2
; (ACC) <-- ((IDX1))*((R9)) + rnd
; (R9) <-- (R9) - (QR1)
; (IDX1) <-- (IDX1) + (QX0).
MAH MAL
4000 0000
h h h
8000 0000
h h h
7FFF FFFF
h h h
3FFF 0001
h h h
7FFE 0002
h h h
7FFE 0000
h h h
FD15 7456
h h h
FA2A E8AC
h h h
FD15 0000
h h h
FA2B 0000
h h h
N Z C SV
0 0 0 -
0 0 0 -
0 0 0 -
0 0 0 -
0 0 0 -
0 0 0 -
1 0 0 -
1 0 0 -
1 0 0 -
1 0 0 -
Bytes
4
4
4
4
4
4
4
4
4
E SL
0 -
1 -
0 1
0 -
0 -
0 -
0 -
0 -
0 -
0 -
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