String Manipulation - 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
1 0 1 0 1 0 0 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
0 0 0 0 1 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
0 0 1 1 0 1 0 w data data if
W=
1
REP = Repeat
1 1 1 1 0 0 1 z
String Manipulation
MOVS
=
Move String
1 0 1 0 0 1 0 w
CMPS
=
Compare String
1 0 1 0 0 1 1 w
SCAS = Scan String
1 0 1 0 1 1 1 w
Instruction Set 6-11