Table of Contents        Previous topic       Next topic       

MICROPROCESSOR INSTRUCTION REFERENCE->DCX

DCX rp   Decrement register pair rp

rp <- rp - 1

Flags
    

S	Not affected
Z	Not affected
AC	Not affected
P	Not affected
C	Not affected

No of bytes	Cycles
	8085	8080A
1	6	5

rp may be one of:

B  representing B,E
D  representing D,E
H  representing H,L
SP representing Stack pointer