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456
Symbol Math Instructions
Section 3-11
The Carry Flag (CY) is ON, so the result is subtracted from 0000 0000.
The Carry Flag (CY) will be turned ON, so the actual number is –7,488,681.
Because the content of D00101 and D00100 is negative, CY is used to turn
ON CIO 002100 to indicate this.
−
BL
0200
0120
D00100
000000
(1)
CY
CY
(2)
RSET
002100
SET
002100
−
BL
#00000000
D00100
D00100
"
−
" display
6
CIO 0201
CIO 0200
R+1: D00101
CIO 0121
CIO 0120
–
0 9 5 8
3 9
0
1
4
6
2
7
0
7
1
9 2 5 1
1 3 1 9
1
CY
R+1: D00100
09 (100000000 – 17072641)
Subtraction at 1
Mi+1:
Mi:
Su+1:
Su:
D00101
D00100
–
0
0
9 2 5 1
1 3 1 9
0
0
0
0
0 0
R+1: D00101
0
4 8
8 6 8 1
1
CY
R+1: D00100
00 (100000000 – 92511319)
7
Subtraction at 2
Su+1:
Su:
R+1: D00101
D00101
D00100
–
1
8
6
8
8
4
7
0
6
5 1
F 9 2 D
1
CY
R+1: D00100
1
CIO 0201
CIO 0200
2 0 F 5
5 A
0
8
Su+1:
Su:
Final Subtraction Result
Mi+1:
Mi:
Summary of Contents for SYSMAC CS1D-CPU**
Page 3: ...iv...
Page 29: ...xxx...
Page 185: ...146 List of Instructions by Function Code Section 2 4...
Page 1389: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2...
Page 1390: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits...
Page 1391: ...1352 ASCII Code Table Appendix A...