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Copyright 1991 David Jurgens |
CMP - Compare
Usage: CMP dest,src
Modifies flags: AF CF OF PF SF ZF
Subtracts source from destination and updates the flags but does
not save result. Flags can subsequently be checked for conditions.
Clocks Size
Operands 808x 286 386 486 Bytes
reg,reg 3 2 2 1 2
mem,reg 9+EA 7 5 2 2-4 (W88=13+EA)
reg,mem 9+EA 6 6 2 2-4 (W88=13+EA)
reg,immed 4 3 2 1 3-4
mem,immed 10+EA 6 5 2 3-6 (W88=14+EA)
accum,immed 4 3 2 1 2-3
- see Instruction Timing
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| Esc or Alt-X to exit |
cmp |
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