參數(shù)資料
型號: Intel387 sx
廠商: Intel Corp.
英文描述: SX Math Coprocessor(32位數(shù)學(xué)協(xié)處理器)
中文描述: 山西數(shù)學(xué)協(xié)處理器(32位數(shù)學(xué)協(xié)處理器)
文件頁數(shù): 19/47頁
文件大?。?/td> 443K
代理商: INTEL387 SX
Intel387
TM
SX MATH COPROCESSOR
Table 3-6. Intel387
TM
SX Math CoProcessor Data Type Representation in Memory
240225–23
NOTES:
1. S
e
Sign bit (0
e
positive, 1
e
negative)
2. d
n
e
Decimal digit (two per byte)
3. X
e
Bits have no significance; Math CoProcessor ignores when loading, zeros when storing
4.
U
e
Position of implicit binary point
5. I
e
Integer bit of significand; stored in temporary real, implicit in single and double precision
6. Exponent Bias (normalized values):
Single: 127 (7FH)
Double: 1023 (3FFH)
Extended REal: 16383 (3FFFH)
7. Packed BCD: (
1)
S
(D
17
..D
0
)
8. Real: (
b
1)
S
(2
E-BIAS
) (F
0
F
1
...)
19
19
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