RMPY: Difference between revisions
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'''RMPY''' is an assembly instruction. The source and destination registers are multiplied. The result is | '''RMPY''' is an assembly instruction. The source and destination registers are multiplied. The result is a 32-bit signed integer left in the [[A register|A]] and [[D register|D registers]], with the most significant word in the A register. | ||
== Flags affected == | == Flags affected == |
Latest revision as of 14:24, 15 July 2012
RMPY | |
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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.
References
- Norsk Data Document ND–06.014.02 ND-100 REFERENCE MANUAL Page 3-45/3.2.3.2
- Norsk Data Document ND–06.029.01 ND-110 Instruction Set Page 55