IA59032 Datasheet, PDF (9/17 Pages) InnovASIC, Inc – 32-Bit High Speed Microprocessor Slice

IA59032
32-Bit High Speed Microprocessor Slice
Page 9 of 17
Data Sheet
TABLE 4: SOURCE OPERAND AND ALU FUNCTION MATRIX
0
I(5:3)
OCTAL
CODE
ALU
FUNCTION
A,Q
0
C_n=L
R plus S
A+Q
C_n=H
1
C_n=L
A+Q+1
Q-A-1
S minus R
C_n=H
Q-A
2
C_n=L
A-Q-1
R minus S
C_n=H
A-Q
3 R OR S
A \/ Q
4 R AND S A /\ Q
5 Rn AND S An /\ Q
6 R EXOR S A \-/ Q
1
A,B
A+B
A+B+1
B-A-1
B-A
A-B-1
A-B
A \/ B
A /\ B
An /\ B
A \-/ B
I(2:0) OCTAL CODE
2
3
4
5
ALU SOURCE (R,S)
0,Q 0,B 0,A
D,A
Q B A D+A
Q+1 B+1 A+1 D+A+1
Q-1 B-1 -A-1 A-D-1
Q B -A
-Q-1 -B-1 A
A-D
D-A-1
-Q -B
QB
00
QB
QB
A+1 D-A
A D \/ A
0
D /\ A
A Dn /\ A
A D \-/ A
* + = PLUS, - = Minus, \/ = OR, /\ = AND, \-/ = EX-OR
6
D,Q
D+Q
D+Q+1
Q-D-1
Q-D
D-Q-1
D-Q
D \/ Q
D /\ Q
Dn /\ Q
D \-/ Q
7
D,0
D
D+1
-D-1
-D
D-1
D
D
0
0
D
Copyright © 2000
innovASIC
[_________The End of Obsolescence™