Online HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens
SHR - Shift Logical Right
Usage: SHR dest,count
Modifies flags: CF OF PF SF ZF (AF undefined)
Shifts the destination right by "count" bits with zeroes shifted
in on the left. The Carry Flag contains the last bit shifted out.
Clocks Size
Operands 808x 286 386 486 Bytes
reg,1 2 2 3 2
mem,1 15+EA 7 7 2-4 (W88=23+EA)
reg,CL 8+4n 5+n 3 2
mem,CL 20+EA+4n 8+n 7 2-4 (W88=28+EA+4n)
reg,immed8 - 5+n 3 3
mem,immed8 - 8+n 7 3-5
- see Instruction Timing
[helppc.bosbyte.nl] shr