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MAS281 Datasheet(PDF) 22 Page - Dynex Semiconductor

Part # MAS281
Description  MIL-STD-1750A Microprocessor
PDF  55 Pages
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Manufacturer  DYNEX [Dynex Semiconductor]
Direct Link  http://www.dynexsemi.com
Logo DYNEX - Dynex Semiconductor

MAS281 Datasheet(HTML) 22 Page - Dynex Semiconductor

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MAS281
22/55
Operation
Op Code/Ext
Mnemonic
Format
Cycles *
Double-Precision Integer
A7
DAR
R
1
3
0
Add
A6
DA
D, DX
4
1
0
Single Precision Integer
B1
SR
R
1
1
0
Subtract
1 X
SBB
B
2
2
0
4X 5
SBBX
BX
2
2
0
B2
SISP
ISP
1
1
0
B0
S
D, DX
3
1
0
4A 2
SIM
IM
2
1
0
Decrement Memory by a
B3
DECM
D,DX
4
1
0
Positive Integer
Single Precision Negate
B4
NEG
R
1
1
0
Register
Double-Precision Negate
B5
DNEG
R
1
3
0
Register
Double-Precision Integer
B7
DSR
R
1
3
0
Subtract
B6
DS
D,DX
4
1
0
Single Precision Integer
C1
MSR
R
1
6.5
4a
Multiply with 16-Bit Product
C2
MISP
ISP
1
7.5
4a
C3
MISN
ISN
1
7.5
4a
C0
MS
D,DX
3
6 5
4a
4A 4
MSIM
IM
2
6.5
4a
Single Precision Integer
C5
MR
R
1
5
3
Multiply with 32-Bit Product
1X
MB
B
2
7
3
4X 6
MBX
BX
2
7
3
C4
M
D, DX
3
5
3
4A 3
MIM
IM
2
5
3
Double-Precision Integer
C7
DMR
R
1
41
4.5a
Multiply
C6
DM
D,DX
4
40
4.5a
D1
DVR
R
1
20.25 5.5a
Single Precision Integer
D2
DISP
ISP
1
20
5.5a
Divide with 16-Bit Dividend
D3
DISN
ISN
1
20.5
5.5a
D0
DV
D,DX
3
20.25 5.5a
4A 6
DVIM
IM
2
20.25 5.5a
Single Precision Integer
D5
DR
R
1
21.75 6.5a
Dividewith 32-Bit Dividend
1X
DB
R
2
22.75 6.5a
4X 7
DBX
BX
2
22.75 6.5a
D4
D
D,DX
3
21.75 6.5a
4A 5
DIM
IM
2
22.75 6.5a
Double-Precision Integer
D7
DDR
R
1
79.5
5.5a
Divide
D6
DD
D,DX
4
77.5
5.5a
MP
B
* M = memory, P = processor (5 OSC cycles), B = processor (6 OSC cycles),
a = average if more than one alternative exists
Table 7a: Insttruction Summary (continued)



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