Intel 8080 - B1_Page_31

Chapter 1. Assembly language and Processors
Register Pair (Word) Instructions
The following instructions
all deal with 16-bit words. Except for DAD (which adds thecontents of the B&C or
D&E register pair to H&L), none of these instructions affect the condition flags. DAD affects only the carry
flag.
IACCUMULATORI
FLAGS
]
INX)
1
B
C
]
DCX
DAD
I
D E
~-XCHG
I
H L
.. -
I-- XTHL--
LHLD
SHLD
~I-----,
MEMORY
HIGH
REG'6
SPHL -I
STACK
PCHL ... 1 PROGRAM !
STACK
...
PUSH )
POP B,D,H,PSW
ALL MNEMONICS © 7974, 7975, 7976, 7977 INTEL CORPORA nON
LOW
POINTER
COUNTER
I
1-21