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Operand
Adder
8,10
A In
E
2,4
7-2
E
7,9
11
B In
7-3
3,5
1
XØ
Ø2
2,4
E
7-2
3,5
1
CSUB
8
2-3
E
9
10
11
Sharp Compet 17 Calculator
Section: Arithmetic
Page: 11
Rendition: 2020 May 20
7
D
8
Ø C
5-6
6
ØT
Q 4
Q 3
Q 2
Q 1
! ! ! Check pin numbers and ordering on IC 5-6 outputs
1
2
3
4
- might be reversed / 2017-05.
D
D
D
D
XC4
XC3
XC2
XC1
Tens-Carry
E
Detector
7
4
1
3
3-1
5
ØB8
2
C T C
E
ØnD16
Six Generator
3
2-3
4
ØB2
E
1
5
2
Carry
ØB1
CARRY
Ø1
Latch
Ø2
d
E
10
D
Q
Ø3
2
4-1
11
Ø1
Ø C
5
Ø2
ØT
1
Ø3
ØR
ØnD1
D
11
1-6
1
CSUM
Normalisation
Adder
7,9
H
7-3
8,10
11
3,5
H
10
7-4
2,4
1
CSUB
11
9
8
ØnB8
E
9
D
Q
3
4-1
7
Ø C
5
ØT
1
ØR
H
8
7
7-4
11
E
9
10
H
Sum
Normalisation
2-1
Carry Latch
E
E
8
D
Q
7
4
4-1
Ø1
Ø C
Ø2
ØT
Ø3
ØR
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