MA31750 Datasheet, PDF (16/42 Pages) Dynex Semiconductor – High Performance MIL-STD-1750 Microprocessor

MA31750
OPERATION
Mnem.
Format
Opcode
(Ext)
INTEGER ARITHMETIC
Single-Precision Integer Add
AR
AB
ABX
AISP
A
AIM
Increment Memory by a Positive INCM
Integer
Single-Precision Absolute Value ABS
Double-Precision Absolute
DABS
Value
Double-Precision Integer Add DAR
DA
Single Precision Integer Subtract SR
SBB
SBBX
SISP
S
SIM
Decrement Memory by a Positive DECM
Integer
Single-Precision Negate
NEG
Double-Precision Negate
DNEG
Double-Precision Integer
DSR
Subtract
DS
Single-Precision Integer Multiply MSR
with 16-Bit Product
MISP
MISN
MS
MSIM
Single-Precision Integer Multiply MR
with 32-Bit Product
MB
MBX
M
MIM
Double-Precision Integer Multiply DMR
DM
Single-Precision Integer Divide DVR
with 16-Bit Dividend
DISP
DISN
DV
DVIM
Single-Precision Integer Divide DR
with 32-Bit Dividend
DB
DBX
D
DIM
Double-Precision Integer Divide DDR
DD
R
B
BX
ISP
D,DX
IM
D,DX
R
R
R
D,DX
R
B
BX
ISP
D,DX
IM
D,DX
R
R
R
D,DX
R
ISP
ISN
D,DX
IM
R
B
BX
D,DX
IM
R
D,DX
R
ISP
ISN
D,DX
IM
R
R
BX
D,DX
IM
R
D,DX
A1
1X
4X 4
A2
A0
4A 1
A3
A4
A5
A7
A6
B1
1X
4X 5
B2
B0
4A 2
B3
B4
B5
B7
B6
C1
C2
C3
C0
4A 4
C5
1X
4X 6
C4
4A 3
C7
C6
D1
D2
D3
D0
4A 6
D5
1X
4X 7
D4
4A 5
D7
D6
Figure 20a (continued): Instruction Summary
Memory
cycles
1
2
2
1
3
2
4
1
1
1
4
1
2
2
1
3
2
4
1
1
1
4
1
1
1
3
2
1
2
2
3
2
1
4
1
1
1
3
2
1
2
2
3
2
1
4
Internal
Cycles
0
1
1
0
0
0
0
1.5a
1.5a
0
0
0
1
1
1
0
0
0
1
1
0
0
2
2
3
2
2
1
2
2
1
1
16.5a
16.5a
23.5a
23.5a
23.5a
23.5a
23.5a
28a
29a
29a
28a
28a
41a
41a
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