参数资料
型号: MA31750
厂商: Dynex Semiconductor Ltd.
英文描述: High Performance MIL-STD-1750 Microprocessor
中文描述: 高性能的MIL - STD - 1750微处理器
文件页数: 20/42页
文件大小: 436K
代理商: MA31750
MA31750
OPERATION
20/42
Mnem.
Format
Opcode
(Ext)
Memory
cycles
Internal
Cycles
1750B MODE INSTRUCTIONS
The following instructions may
only be executed in 1750B mode
and are illegal in 1750A
'LONG' LOADS AND STORES
Long Load Single
Long Load Double
Long Load Extended Precision
Floating-Point
Long Store Single
Long Store Double
Long Store Extended Precision
Floating-Point
LSL
LDL
LEFL
S
S
S
CC
CD
CE
3
4
5
11
20
27
LSS
LDS
LEFS
S
S
S
DC
DD
DE
4
6
8
9
16
23
UNSIGNED ARITHMETIC
Unsigned Integer Add
UAR
UA
USR
US
UCR
UC
UCIM
R
D,DX
R
D,DX
R
D,DX
IM
AD
AE
BD
BE
FC
FD
4A 0
1
3
1
3
1
3
2
4
4
4
4
5
5
5
Unsigned Integer Subtract
Unsigned Integer Compare
BYTE LOADS AND STORES
Load Byte
Load Byte With Increment
Store Byte
Store Byte With Increment
LBY
LBYI
SBY
SBYI
S
S
S
S
BF
AF
DF
CF
2
2
2
2
3
3
3
3
BIT OPERATION
Search First Bit Set
SFBS
R
95
1
3.75a
Notes:
a
wa
**
***
Average if more than one alternative exists.
Weighted average where data dependency exists.
Privileged instruction - illegal if PS
0.
VIO execution time dependent on number and type of transfer.
Figure 20b: MIL-STD-1750B Instruction Summary
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