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IBM 5150 - Logic

IBM 5150
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IDIV = Integer divide (signed)
1 1 1 1 0 1 1 w 1
mod
1 1 1 rIm
AAD
= ASCII adjust
for
divide
11010101100001010
CBW
=
Convert
byte
to
word
100110001
cwo
=
Convert
word
to
double
word
10011001
Logic
NOT
=
Invert
1 1 1 1 0 1 1 w
mod
0 1 0
rIm
SHL/SAL =
Shift
logicallarithmetic
left
1 1 0 1 0 0 v w
mod
1 0 0 rIm
SHR
=
Shift
logical
right
1 1 0 1 0 0 v w
mod
1 0 1 rIm
SAR
=
Shift
arithmetic
right
1 1 0 1 0 0 v w
mod
1 1 1
rIm
ROL
= Rotate
left
1 1 0 1 0 0 v w
mod
0 0 0 rIm
ROR
= Rotate right
1 1 0 1 0 0 v w
mod
0 0 1 rIm
RCL
= Rotate
through
carry
left
1 1 0 1 0 0 v w 1
mod
0 1 0 rIm
RCR
= Rotate
through
carry
right
1 1 0 1 0 0 v w 1
mod
0 1 1 rIm
AND
=
And
Registerlmemory and register
to
either
o 0 1 0 0 0 d w 1 mod reg
rIm
Immediate
to
registerlmemory
1 0 0 0 0 0 0 w I
mod
1 0 0
rIm
data
data
if
w = 1
Immediate
to
accumulator
00100
1 0 w I data
data
if
w=
1
6-10
Instruction Set

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