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Symbol Math Instructions
Subtraction at 1
Mi+1: CIO 0201
Mi: CIO 0200
2 0 F 5
5 A
Su+1: CIO 0121 Su: CIO 0120
–
B
8
A
3
6
R+1: D00101
R+1: D00100
CY
1
6
8
5 1
F 9 2 D
The Carry Flag (A50004) is ON, so the result is subtracted from 0000 0000 to
obtain the actual result.
Subtraction at 2
0
0
0 0
0
Su+1: D00101
Su: D00100
–
6
8
5 1
F 9 2 D
R+1: D00101
R+1: D00100
CY
1
9
7
A
E
0
Final Subtraction Result
Mi+1: CIO 0201
Mi: CIO 0200
2 0 F 5
Su+1: D00101
Su: D00100
–
6
8
5 1
R+1: D00101
R+1: D00100
CY
1
9
7
A
E
1
0
0
E
3
0
0
0
6
D
3
5 A
1
0
F 9 2 D
0
6
D
3
Section 5-20
267
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