Code Types (Dreamcast)
From Wiki - GameHacking.org
GameShark, Codebreaker and Xploder
Type & Format | Description | Other | Limitations |
8-bit Constant Write 00XXXXXX 000000YY |
Writes YY to address XXXXXX. | -- | -- |
16-bit Constant Write 01XXXXXX 0000YYYY |
Writes YYYY to address XXXXXX. | -- | -- |
32-bit Constant Write 02XXXXXX YYYYYYYY |
Writes YYYYYYYY to address XXXXXX. | -- | -- |
32-bit Group Write 0300XXXX YYYYYYYY VVVVVVVV ........ VVVVVVVV |
XXXX is the amount of 32-bit writes to perform, YYYYYYYY is the starting address to write to, VVVVVVVV are the values to write. Example: 03000002 <- Declares two writes are to be done. 8CD00000 <- The address writes are to begin at. 11111111 <- Value to be used in write #1 22222222 <- Value to be used in write #2 This would write 11111111 to 8CD00000, and 22222222 to 8CD00004. |
You must have values defined for each 32-bit write this code type makes. | -- |
8-bit Incrementive Write 030100YY XXXXXXXX |
Adds YY to value at address XXXXXXXX. | -- | -- |
8-bit Decrementive Write 030200YY XXXXXXXX |
Subtracts YY from value at address XXXXXXXX. | -- | -- |
16-bit Incrementive Write 0303YYYY XXXXXXXX |
Adds YYYY to value at address XXXXXXXX. | -- | -- |
16-bit Decrementive Write 0304YYYY XXXXXXXX |
Subtracts YYYY from value at address XXXXXXXX. | -- | -- |
32-bit Incrementive Write 03050000 XXXXXXXX YYYYYYYY |
Adds YYYYYYYY to value at address XXXXXXXX. | -- | -- |
32-bit Decrementive Write 03060000 XXXXXXXX YYYYYYYY |
Subtracts YYYYYYYY from value at address XXXXXXXX. | -- | -- |
32-bit Serial Repeater 04XXXXXX WWWWZZZZ YYYYYYYY |
XXXXXX is the starting address, WWWW is the amount of writes, ZZZZ is the number to increment the address by (multiplied by 4 by CB/XP), and YYYYYYYY is the 32-bit value. | The address MUST end with 0, 4, 8, or C. | -- |
Memory Copy 05XXXXXX YYYYYYYY ZZZZZZZZ |
XXXXXX is the to copy from, YYYYYYYY is to copy to, and ZZZZZZZZ is the number of bytes to copy. | -- | -- |
Change Decryption Type 071000XX |
XX defines the decryption type. Only 00-07 perform valid changes. | -- | -- |
Delay Code 0B0XXXXX |
Waits XXXXX cycles before enabling ANY codes. | Default wait time is 1000 (0x3E8) | -- |
32-bit If Equal To - Enable ALL 0C0XXXXX YYYYYYYY |
If value at address 8CXXXXX is equal to YYYYYYYY - then enable ALL codes. | -- | -- |
16-bit Condition 0DXXXXXX 000ZYYYY |
XXXXXX is the address used for the condition, Z is the condition type, YYYY is the 16-bit value used for the condition. | Z Values (Condition types): 0 - Equal To 1 - Not Equal To 2 - Less Than 3 - Greater Than |
-- |
16-bit Condition-Skip Multi Lines 0EWWYYYY 0ZXXXXXX |
WW is the number of lines to skip, YYYY is the 16-bit value used for the condition, Z is the condition type, XXXXXX is the address used for the condition. | Note: Lines are only skipped if the condition returns false. Z Values (Condition types): 0 - Equal To 1 - Not Equal To 2 - Less Than 3 - Greater Than |
-- |
16-bit Write Once, on Bootup. 0FXXXXXX 0000YYYY |
Writes YYYY to address XXXXXX ONCE, on bootup. | The address must be even. | -- |
Code Types |
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Consoles |
Playstation - Sega Saturn - Dreamcast - Playstation 2 - Game Cube |
Portables |
Game Boy Advance - Nintendo DS |