IBM AT 5170 Technical Reference page 378

Register/Memory by Count
1I00000w
mod TTT rIm count
T T T
Instruction
000
ROL
001 ROR
010
RCL
OIl RCR
100
SHL/SAL
101
SHR
III
SAR
AND
=
And
Register/Memory and Register to Either
OOIOOOdw mod reg rIm
Immmediate to Register/Memory
1000000w
modOOO rIm data
data if w
Immediate to Accumulator
OOIOOIOw data data if w
TEST
=
AND Function to Flags; No Result
Register/Memory and Register
10000lOw
mod reg rIm
Immediate Data and Register/Memory
1III011w modOOO rIm data data if w
Immediate to Accumulator
00001 lOw
data data if w
Or= Or
Register/Memory and Register to Either
0000 Odw mod reg rIm
6-10 Instruction Set