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Improved save type detection #2

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Improved save type detection #2

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b6ed728
improved save type detection
LeonarthCG Mar 4, 2026
4f6ad3f
typo
LeonarthCG Mar 4, 2026
a0bdf1c
use two different sram save type strings
LeonarthCG Mar 4, 2026
15f6cc3
game code starting with S for save type detect
LeonarthCG Mar 5, 2026
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27 changes: 27 additions & 0 deletions src/save/installer.event
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Original file line number Diff line number Diff line change
Expand Up @@ -310,3 +310,30 @@ WORD 0x203FE00+(06*2) //offset
//WORD 0x203FE00+(07*2) //offset of times quickwarped

#include "credits/credits.event"

//improve save type detection on emulators, virtual console injectors, etc
//none of this has an actual impact on the game itself
PUSH
//game title and game code, to prevent automatic EEPROM save type selection for TMC
//this used to be more common, although I believe nowadays the string check method is used more often
//game title (GBAZELDA MC)
ORG $A0 // 3 words
WORD 0 0 0 // clear the previous game title
ORG $A0
String("MINISH RANDO");
//game code (BZMP)
//apparently game codes starting with S can be detected as SRAM games, at least for open_agb_firm
ORG $AC // 1 word
String("SZMR");
//complement check (checksum), needs to be adjusted or the game won't boot on real hardware
ORG $BD
BYTE 0x98

//EEPROM strings, often checked by external programs
//the strings must be at a word aligned offset, and must have a length multiple of word size
//here the original strings in the rom are replaced with equal length or smaller strings, padded with 0s
ORG $EF32CC
String("SRAM_V103"); BYTE 0 0 0
ORG $EF330C
String("SRAM_F_V103"); BYTE 0 0 0 0 0
POP