IBM 5150 - Page 282

ARITHMETIC
ADD = Add
Reg./memory with register to either
1
0
0
0 0 0 0 d w
I
mod
reg
rIm I
Immediate to register/memory
~
11
0 0 0 0 0 s w
I
mod o 0 0
rim data
data if s:w=01 I
Immediate to accumulator
1
0
0
0
0 0
1
0 w
I
data
data
if w=l
ADC = Add with carry
Reg./memory with register to either
1
0
0 0 1 0 0 d w
I
mod reg rim
Immediate to register/memory
0
0
0 0 0
s w mod
0
1
0
rim data
data
if s:w=Ol I
11
Immediate to accumulator
1
0
0
0 1
0 1 0 w data
data
if w=l I
INC = Increment
~
Register/memory
1
1 1 1 1 1 1
w mod
0
o 0
rim
Register
I0
1
0
0
0
reg I
AAA = ASCII adjust for add
0
1 1 0 1
1
I 0
1 I
DAA = Decimal adjust for add
0 0
1
0
0
1
1
1
I
su B = Subtract
Reg./memory and register to either
I0
0
1 0 1
0 d w
I
mod reg
rim
~
Immediate from register/memory
0 0 0 0 0
s w
I
mod 1 0 1 rim data data if s:w=Ol I
11
Immediate from accumulator
0 0
1 0 1
1
0 w data data if w=l
B-7