參數(shù)資料
型號(hào): MAS281
廠商: Dynex Semiconductor Ltd.
英文描述: MIL-STD-1750A Microprocessor
中文描述: 符合MIL - STD - 1750A微處理器
文件頁(yè)數(shù): 25/55頁(yè)
文件大?。?/td> 551K
代理商: MAS281
MAS281
25/55
Operation
Op Code/Ext
Mnemonic
Format
Cycles *
CONVERT
Convert Floating-Point to 16-Bit
Integer
E8
FIX
R
1
4.25
4.5a
Convert 16-Bit Integer to Floating-
Point
E9
FLT
R
1
3
2a
Convert Extended-Precision
Floating-Point to 32-Bit Integer
EA
EFIX
R
1
12.25
6.25a
Convert 32-Bit Integer to
Extended-Precision Floating-Point
EB
EFLT
R
1
7.5
3.5a
STACK
Stack IC and Jump to Subroutine
7E
SJS
D, DX
4
3
0
Unstack IC and return from
Subroutine
7F
URS
S
3
1
1
Pop Multiple registers off the
Stack
8F
POPM
S
2.5+n
(n=O to 15)
2.25+n
(n=O to 15)
4.25a
Push Multiple Registers on to the
Stack
9F
PSHM
S
1 + n
(n=O to 15)
4.5 + n
(n=O to 15)
2a
I/O (See l/O Command Summary)
Execute l/O
Vectored l/O
48
49
XlO**
VlO**
IM,IMX
D,DX
3
-
3.583 6.277a
-
-
SPECIAL
Built-ln Function Call
4F
BIF
S
Move Multiple Words, Memory-to-
Memory
Exchange Words in Registers
93
MOV
S
1+4n
1+3n 1+2na
ED
XWR
R
1
2
0
Load Status
7D
7C
LST**
LSTI**
D, DX
I, IX
8
9
2
2
3
4
No Operation
FF
NOP
S
1
2
2
Break Point
FF
BPT
S
3
4
4
*
M = memory, P = processor (5 OSC cycles), B = processor (6 OSC cycles),
a = average if more than one alternative exists
**
Priveleged instruction
M
P
B
Table 7a: Instruction Summary (continued)
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