ST20-C1 STMICROELECTRONICS [STMicroelectronics], ST20-C1 Datasheet - Page 146

• Manufacturer Part Number: ST20-C1
• Description: Instruction Set Reference Manual
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

smul
Code: 21 F4
Description: Multiply Areg by Breg, treated as sixteen bit signed integers.
Definition:
Status Register:
Comments:
See also: mul smac
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Areg
Breg
Creg
No effect
Secondary instruction.
Areg and Breg must be in the range of 16-bit signed integers.
section 4.4.
(int16)Areg
Creg
Areg
(int16)Breg
short multiply