Chapter 16
Appendix
XVI - 42 Extension Instruction Specification
GETX (high-speed multiply register transfer instruction)
[Instruction format (macro name)]
GETX Dn
[Assembler mnemonic]
udf15 Dn, Dn
[Operation]
This instruction transfers the content of the high-speed multiply register MDRQ to Dn.
[Flag changes]
[Note for programming]
Updating of the PSW as a result of flag changes is delayed by 1 instruction.
Note, however, that flags can be evaluated for the Bcc and Lcc instructions before flag changes are reflected in the
PSW.
Flag Change Condition
V 0 Always 0.
C 0 Always 0.
N + "1" if the MSB of the transfer result is "1." "0" in any other case.
Z + "1" if the transfer result is "0." "0" in any other case.
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