IBM XT 5160 Technical Reference page 335

CMP
=
Compare
Register/Memory and Register
001110dw
I
mod reg rim
Immediate with Register/Memory
100000sw mod 111 rim data
I
data
if
s:w
=
01
I
Immediate with Accumulator
0011110w data data if w
=
1
AAS
=
ASCII Adjust for Subtract
I
00111111
DAS
=
Decimal Adjust for Subtract
I
00101111
MUL
=
Multiply (Unsigned)
I
11110 11w
I
mod 100 rim
IMUL
=
Integer Multiply (Signed)
I
1111 0 11 w
I
mod 10 1 rim
AAM
=
ASCII Adjust for Multiply
I
11010100
I
00001010
DIV
=
Divide (Unsigned)
I
11110 11w
I
mod 110 rim
IDIV
=
Integer Divide (Signed)
I
1111011w
I
mod 111 rim
6-12 Instruction Set