MAS281F Ver la hoja de datos (PDF) - Dynex Semiconductor
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MAS281F Datasheet PDF : 55 Pages
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4.4 INSTRUCTION SUMMARY
Operation
Op Code/Ext
Mnemonic
LOAD/STORE
Single Precision Load
81
0X
4X 0
82
83
80
85
84
LR
LB
LBX
LISP
LISN
L
LIM
Ll
Double-Precision Load
87
0X
4X 1
86
88
DLR
DLB
DLBX
DL
DLI
Single-Precision Store
0X
4X 2
90
94
STB
STBX
ST
STI
Store a Non-Negative
91
Constant
92
STC
STCI
Double-Precision Store
0X
4X 3
96
98
DSTB
DSTX
DST
DSTI
Load Multiple Registers
89
LM
Store Multiple Registers
99
STM
INTEGER ARITHMETIC
Single-Precision Integer Add
A1
1X
4X 4
A2
A0
4A 1
AR
AB
ABX
AISP
A
AIM
Increment Memory by a
A3
Positive Integer
INCM
Single-Precision Absolute
A4
Value of Register
ABS
Double-Precision Absolute
A5
Value of Register
DABS
* M = memory, P = processor (5 OSC cycles) B = processor (6 OSC cycles),
a = average if more than one alternative exists
Table 7a: Instruction Summary
Format
R
B
BX
ISP
ISN
D, DX
IM,IMX
I,IX
R
B
BX
D, DX
I,IX
B
BX
D, DX
I, IX
D,DX
I, IX
B
BX
D DX
I, IX
D,DX
D,DX
R
B
BX
ISP
D, DX
IM
D,DX
R
R
MAS281
Cycles *
MP B
1
0
0
2
1
0
2
1
0
1
0
0
1
0
0
3
0
0
2
0
0
4
1
0
1
2
0
3
1
0
3
2
0
4
0
0
5
1
0
2
2
0
2
2
0
3
1
0
4
1
0
3
1
0
4
1
0
3
2
0
3
2
0
4
0
0
5
1
0
3+n 1
1
3+n 1
1
1
1
0
2
2
0
2
2
0
1
1
0
3
1
0
2
1
0
4
1
0
1
1.5 1a
1
2.5 1a
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