Difference between revisions of "Z80:Opcodes:CPD"
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Latest revision as of 22:42, 5 February 2016
Multiple instructions combined into one. CPD does these things in this order:
Contents
Syntax
No operands.
CPD
Effects
The carry is preserved, N is set and all the other flags are affected as defined. P/V denotes the overflowing of BC, while the Z flag is set if A=(HL) before HL is decreased.
Uses
See CPDR for potential uses.
See Also
BIT,CALL,CP,CPDR,CPI,CPIR,JP,JR
