Table of Contents
Advertisement
Extension Instruction Specifications
CLRMAC (Register clear instruction for multiply-and-accumulate operation)
[Instruction Format (Macro Name)]
CLRMAC
[Assembler Mnemonic]
udf22 D0, D0
[Operation]
This instruction clears the contents of the multiply-and-accumulate registers MCRH and MCRL.
This instruction also clears the contents of the multiply-and-accumulate overflow detect register MCVF.
[Flag Changes]
Flag
Change
V
–
C
–
N
–
Z
–
[Programming Cautions]
When "udf22 Dm, Dn" is operated, Dm and Dn are ignored.
3-10
Condition
Advertisement
Table of Contents
