Signed Integer Multiply, no Write-Back
Like IMULT, but the result is not written back to the destination register. Intended to be used as the first of a multiply/accumulate group, as there are potential speed advantages in not writing back the result.
Code/Case : 18
Flags
Z – set if the result is zero
N – set if the result is negative
C – not defined
Register Usage
Cycle 1: Source and Destination register read
Signed Integer Multiply, no Write-Back
Like IMULT, but the result is not written back to the destination register. Intended to be used as the first of a multiply/accumulate group, as there are potential speed advantages in not writing back the result.
Code/Case : 18
Flags
Z – set if the result is zero
N – set if the result is negative
C – not defined
Register Usage
Cycle 1: Source and Destination register read