參數(shù)資料
型號(hào): INTEL387DX
英文描述: Intel387 DX - MATH COPROCESSOR
中文描述: Intel387霉素-數(shù)學(xué)協(xié)處理器
文件頁(yè)數(shù): 11/41頁(yè)
文件大?。?/td> 435K
代理商: INTEL387DX
Intel387
TM
DX MATH COPROCESSOR
Table 2.3. Condition Code Interpretation after FPREM and FPREM1 Instructions
Condition Code
Interpretation after FPREM and FPREM1
C2
C3
C1
C0
Incomplete Reduction:
further interation required
for complete reduction
1
X
X
X
Q1
Q0
Q2
Q MOD8
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
0
0
0
1
1
1
1
0
1
2
3
4
5
6
7
Complete Reduction:
C0, C3, C1 contain three least
significant bits of quotient
0
Table 2.4. Condition Code Resulting from Comparison
Order
C3
C2
C0
TOP
l
Operand
TOP
k
Operand
TOP
e
Operand
Unordered
0
0
1
1
0
0
0
1
0
1
0
1
Table 2.5. Condition Code Defining Operand Class
C3
C2
C1
C0
Value at TOP
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
a
Unsupported
a
NaN
b
Unsupported
b
NaN
a
Normal
a
Infinity
b
Normal
b
Infinity
a
0
a
Empty
b
0
b
Empty
a
Denormal
b
Denormal
11
11
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