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00H + 00H + 10H + 00H + 00H + 00H +00H + 0CH = 0 + 0 + 16 + 0 + 0 + 0 + 0 + 12 = 28
(sum)
28 (total) ÷ 128 (quotient) = 0 (quotient) ... 28 (remainder)
checksum = 128 - 28 (quotient) =100 = 64H
This means that the message transmitted will be F0 41 09 00 1C 11 00 00 10 00 00 00 00 0C 64
F7 .
ASCII code table
On the DR-770, the following ASCII code set is used for processing data such as the Pattern
Name , Song Name, etc.
+————+—————++————+—————++————+—————++————+—————+
|Char| Hex.||Char| Hex.||Char| Hex.||Char| Hex.|
+————+—————++————+—————++————+—————++————+—————+
| SP | 20H ||
|
||
|
|
A | 41H ||
a | 61H ||
0 | 30H ||
|
B | 42H ||
b | 62H ||
1 | 31H ||
|
C | 43H ||
c | 63H ||
2 | 32H ||
|
D | 44H ||
d | 64H ||
3 | 33H ||
|
E | 45H ||
e | 65H ||
4 | 34H ||
|
F | 46H ||
f | 66H ||
5 | 35H ||
|
G | 47H ||
g | 67H ||
6 | 36H ||
|
H | 48H ||
h | 68H ||
7 | 37H ||
|
I | 49H ||
i | 69H ||
8 | 38H ||
|
J | 4AH ||
j | 6AH ||
9 | 39H ||
|
K | 4BH ||
k | 6BH ||
! | 21H ||
|
L | 4CH ||
l | 6CH ||
" | 22H ||
|
M | 4DH ||
m | 6DH ||
# | 23H ||
|
N | 4EH ||
n | 6EH ||
$ | 24H ||
|
O | 4FH ||
o | 6FH ||
% | 25H ||
|
P | 50H ||
p | 70H ||
& | 26H ||
|
Q | 51H ||
q | 71H ||
' | 27H || -> | 7EH |
|
R | 52H ||
r | 72H ||
( | 28H || <- | 7FH |
|
S | 53H ||
s | 73H ||
) | 29H ||
|
T | 54H ||
t | 74H ||
* | 2AH ||
|
U | 55H ||
u | 75H ||
+ | 2BH ||
|
V | 56H ||
v | 76H ||
, | 2CH ||
|
W | 57H ||
w | 77H ||
- | 2DH ||
|
X | 58H ||
x | 78H ||
. | 2EH ||
|
Y | 59H ||
y | 79H ||
/ | 2FH ||
|
Z | 5AH ||
z | 7AH ||
|
+————+—————++————+—————++————+—————++————+—————+
Note: SP indicates "space."
||
|
|
: | 3AH |
; | 3BH |
< | 3CH |
= | 3DH |
> | 3EH |
? | 3FH |
@ | 40H |
[ | 5BH |
\ | 5CH |
] | 5DH |
^ | 5EH |
_ | 5FH |
` | 60H |
{ | 7BH |
| | 7CH |
} | 7DH |
|
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MIDI Implementation
113
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