IBM 5150 Technical Reference page 213

MOV
=
Move
Register/memory to/from register
1 0 0 0 1 0 d w
mod reg rIm
Immediate to register/memory
1 1 0 0 0 1 1 w mod 0 0 0
rIm
data
Idata if w
=
11
Immediate to register
o
1 w reg
data
I
data if w
=
1 1
Memory to accumulator
1 0 1 0 0 0 0 w
addr-Iow
addr-high
Accumulator to memory
1 0 1 0 0 0 1 w addr-Iow addr-high
Register/memory to segment register
1 0 0 0 1 1 1 0
I
mod 0 reg rIm
Segment register to register/memory
1 0 0 0 1 1 0 0 1 mod 0 reg rIm
PUSH
= Push
Register/memory
mod 1 1 0 rIm
Register
1 0 1 0 reg
1 0
Segment register
0 0 reg
1 0
01
Pop =
Pop
Register/memory
1
0 0 0
1
mod 0 0 0 rIm
Register
1
0 1 1 reg
1 0
Segment register
0 0 reg 1 1 1
1 0
6-6 Instruction Set