IBM XT 5160

Segment Register
000 reg 110
POP = POp
Register/Memory
10001111 mod 000 rIm
Register
01011reg
Segment Register
000 reg 111
XCHG = Exchange
Register/Memory with Register
1000011w mod reg rIm
Register with Accumulator
10010reg
IN = Input to ALI AX from
Fixed Port
1110010w port
Variable Port
1110110w
OUT = Output from ALI AX to
Fixed Port
1110011w port
6-8 Instruction Set