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MAS281 Datasheet(PDF) 21 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) 21 Page - Dynex Semiconductor

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4.4 INSTRUCTION SUMMARY
Table 7a: Instruction Summary
MP
B
* M = memory, P = processor (5 OSC cycles) B = processor (6 OSC cycles),
a = average if more than one alternative exists
Cycles *
Operation
Op Code/Ext
Mnemonic
Format
LOAD/STORE
Single Precision Load
81
LR
R
1
0
0
0X
LB
B
2
1
0
4X 0
LBX
BX
2
1
0
82
LISP
ISP
1
0
0
83
LISN
ISN
1
0
0
80
L
D, DX
3
0
0
85
LIM
IM,IMX
2
0
0
84
Ll
I,IX
4
1
0
Double-Precision Load
87
DLR
R
1
2
0
0X
DLB
B
3
1
0
4X 1
DLBX
BX
3
2
0
86
DL
D, DX
4
0
0
88
DLI
I,IX
5
1
0
Single-Precision Store
0X
STB
B
2
2
0
4X 2
STBX
BX
2
2
0
90
ST
D, DX
3
1
0
94
STI
I, IX
4
1
0
Store a Non-Negative
91
STC
D,DX
3
1
0
Constant
92
STCI
I, IX
4
1
0
Double-Precision Store
0X
DSTB
B
3
2
0
4X 3
DSTX
BX
3
2
0
96
DST
D DX
4
0
0
98
DSTI
I, IX
5
1
0
Load Multiple Registers
89
LM
D,DX
3+n
1
1
Store Multiple Registers
99
STM
D,DX
3+n
1
1
INTEGER ARITHMETIC
Single-Precision Integer Add
A1
AR
R
1
1
0
1 X
AB
B
2
2
0
4X 4
ABX
BX
2
2
0
A2
AISP
ISP
1
1
0
A0
A
D, DX
3
1
0
4A 1
AIM
IM
2
1
0
Increment Memory by a
A3
INCM
D,DX
4
1
0
Positive Integer
Single-Precision Absolute
A4
ABS
R
1
1.5
1a
Value of Register
Double-Precision Absolute
A5
DABS
R
1
2.5
1a
Value of Register



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