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Description Integer inter-register multiply
Format RMPY <sr> <dr>
Code 141 2008
Affected AD = <dr> * <sr>, C, O, Q
Type User
Architecture ND-100, ND-110

RMPY is an assembly instruction. The source and destination registers are multiplied. The result is a 32-bit signed integer left in the A and D registers, with the most significant word in the A register.

Flags affected

C, O and Q may be affected.