String Manipulation - IBM AT 5170 Technical Reference

Immediate to Register/Memory
1000000w modOOl rim data
data if w
=
1
Immediate to Accumulator
0000l10w data data if w
=
1
XOR
=
Exclusive OR
Register/Memory and Register to Either
00l100dw mod reg rim
Immediate to Register/Memory
1000000w modll0 rim data data if w
=
1
Immediate to Accumulator
0010010w data data if w
NOT
=
Invert Register/Memory
1111011w modOl0 rim
String Manipulation
MOVS
=
Move Byte Word
1010010w
CMPS
=
Compare Byte Word
1010011w
SCAS
=
Scan Byte Word
1010111w
LODS
=
Load Byte Word to AL/AX
101Oll0w
Instruction Set 6-11