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2 Instructions
2-188
CP1E CPU Unit Instructions Reference Manual(W483)
Function
Sample program
When CIO 0.00 is ON in the following example, the hexadecimal value in CIO 11 and CIO 10 is con-
verted to a BCD value and stored in D100 and D101.
BCD
BCD(024) converts the binary data in S to BCD data
and writes the result to R.
The following diagram shows an example BCD-to-binary conversion.
BCDL
BCDL(059) converts the 8-digit hexadecimal (32-bit
binary) data in S and S+1 to 8-digit BCD data and
writes the result to R and R+1.
The following diagram shows an example of 8-digit BCD-to-binary conversion.
(BIN) (BCD)
RS
×16
3
×16
2
×16
1
×16
0
RS
10EC 4332
0347811121503478111215
×10
3
×10
2
×10
1
×10
0
RR+1
(BCD)
(BCD)
S+1
S
(BIN) (BIN)
×10
3
×10
2
×10
1
×10
0
×10
7
×10
6
×10
5
×10
4
S+1 S
R+1 R
00 D32 A02 02 619 039
×16
3
×16
2
×16
1
×16
0
×16
7
×16
6
×16
5
×16
4
BCDL
10
D100
0.00
0
×16
7
0
×16
6
2
×16
5
D
×16
4
3
×16
3
2
×16
2
0
×16
1
A
×16
0
2×16
5
13×16
4
3×16
3
2×16
2
10 2961930
0
×10
7
2
×10
6
9
×10
5
6
×10
4
1
×10
3
9
×10
2
3
×10
1
0
×10
0
MBS
MBS
LSB
LSB
S+1 : CIO 11 S: CIO 10
R+1 : D101 R : D100