Texas Instruments TMS320C67X - Page 222

MPYLH Multiply Signed 16 LSB x Signed 16 MSB
3-162 Instruction Set SPRU733
Example MPYLH .M1 A1,A2,A3
Before instruction 2 cycles after instruction
A1
0900 000Eh
14
†
A1 0900 000Eh
A2 0029 00A7h 41
‡
A2 0029 00A7h
A3 xxxx xxxxh A3 0000 023Eh 574
†
Signed 16-LSB integer
‡
Signed 16-MSB integer