Nintendo GAME BOY Programming Manual page 292

Game Boy Programming Manual
Example
16. File Name and Check Sums
Print the file name on each disk using the following format: *** **-*.GB
Example:
Note:
If the Initial code is 3 digits (prior to 1994), include an under bar ("_") after the Initial code to bring it to 4
digits. The file name would appear as follows:
Enter the check sum of each ROM submitted. To calculate the check sum, add each byte in the ROM
data. The lower 2 bytes of the resulting value is the check sum. Enter the check sum for each ROM
submitted for the master program and the total of their individual check sums. The total is calculated by
adding the individual check sums. This method of calculation is different from the check sum on the ROM
Registration Specification.
Version First Second
Mask ROM
0 0
Version
EEPROM
0 1
Version
Version on Title
0.0 0.1
Label of EEPROM
Sixth Seventh
Change after
2
second
production
0
2.0
Second Production
The first disk will be numbered "0."
Third
Fourth
Change after
0 1
first production
2 0
0.2 1.0
First Production
2
1
2.1
Third Production
"AAJ_10-0.GB"
292
Fifth
1
1
1.1