Code Types (Dreamcast)

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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
Consoles
Playstation - Sega Saturn - Dreamcast - Playstation 2 - Game Cube
Portables
Game Boy Advance - Nintendo DS