Panasonic FP-E - Page 420

High−level Instructions
3 − 156
How to calculate the Block Check Code (BCC)
Exclusive ORing calculates the Block Check Code (BCC) with each ASCII character.
ASCII HEX code
ASCII BIN code
001
2
0010
5
1
ASCII HEX code
ASCII BIN code
000
1
1110
D
1
%
ASCII HEX code
ASCII BIN code
001
3
1000
0
0
0
ASCII HEX code
ASCII BIN code
001
3
1000
1
1
1
ASCII HEX code
ASCII BIN code
001
2
0001
3
1
#
ASCII HEX code
ASCII BIN code
010
5
1001
2
0
R
ASCII HEX code
ASCII BIN code
010
4
0001
3
1
C
ASCII HEX code
ASCII BIN code
010
5
1001
3
1
S
ASCII HEX code
ASCII BIN code
010
5
1100
8
0
X
ASCII HEX code
ASCII BIN code
001
3
1000
0
0
0
ASCII HEX code
ASCII BIN code
001
3
1000
0
0
0
ASCII HEX code
ASCII BIN code
001
3
1000
0
0
0
ASCII HEX code
ASCII BIN code
001
3
1000
0
0
0
Exclusive ORing
Exclusive ORing
Exclusive ORing
Exclusive ORing
Exclusive ORing
Exclusive ORing
Exclusive ORing
Exclusive ORing
Exclusive ORing
Exclusive ORing
Exclusive ORing
Exclusive OR operation
S1 S2 D
00 0
01 1
10 1
11 0
Block Check Code (BCC)
calculation
This calculation result (H1D) is stored in the lower byte of DT6.
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