IBM 5150 Technical Reference

TEST = And function to flags, no result
Register/memory and register
1 0 0 0 0 1 0
W I mod reg rIm
Immediate data and register/memory
1 1 1 1 0 1 1
W I mod 0 0 0 rIm data
data
if W= 1
Immediate data and accumulator
1010100 W I
data
data
if W = 1
OR = Or
Register/memory and register to either
o 0 0 0 1 0 d w I mod reg rIm
Immediate
to register/memory
1 0 0 0 0 0 0 w
I mod 0 0 1 rIm data
data
if W= 1
Immediate
to accumulator
00001 1 0 w I
data
data
if W= 1
XOR = Exclusive or
Register /memory and register to either
o 0 1 1 0 0 d w I mod reg rIm
Immediate
to register/memory
1 0 0 0 0 0 0 w
I mod 1 1 0 rIm data
data
if W= 1
Immediate
to accumulator
0011010w
data
data
if W= 1
REP = Repeat
1111001z
String Manipulation
MOVS = Move String
1010010w
CMPS = Compare String
1010011w
SCAS = Scan String
1010111w
Instruction Set 6-11

IBM 5150 Specifications

General

Brand	IBM
Model	5150
Category	Desktop
Language	English