STMicroelectronics ST10 Series Programming Manual page 161

Examples
CoMULus R0, R1, rnd
CoMULus- R2, [R6+]
CoMULus [IDX1+QX0], [R11+QR0]
CoMULus- [IDX0], [R15]
CoMULus [IDX0+QX0], [R9-QR1], rnd
Multiplication Examples
Cases op 1
MP=x, MS=x 8000
MP=x, MS=x 7FFF
MP=x, MS=x 8001
op 2 rnd MAE
8000 x FF
h h
7FFF 0 00
h h
1 00
F456 0 FF
h h
1 FF
ST10 FAMILY PROGRAMMING MANUAL
; (ACC) <-- (R0)*(R1) + rnd
; (ACC) <-- -(R2)*((R6))
; (R6) <-- (R6) + 2
; (ACC) <-- ((IDX1))*((R11))
; (R11) <-- (R11) + (QR0)
; (IDX1) <-- (IDX1) + (QX0)
; (ACC) <-- -((IDX0))*((R15))
; (ACC) <-- ((IDX0))*((R9)) + rnd
; (R9) <-- (R9) - (QR1)
; (IDX0) <-- (IDX0) + (QX0).
MAH MAL
C000 0000
h h h
3FFF 0001
h h h
3FFF 0000
h h h
FA2A F456
h h h
FA2B 0000
h h h
N Z C SV
1 0 0 -
0 0 0 -
0 0 0 -
1 0 0 -
1 0 0 -
E SL
0 -
0 -
0 -
0 -
0 -
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