mirror of
https://github.com/d0k3/GodMode9.git
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d010f2858b
- Removed trailing whitespace from all source code files (.c, .h. and .s) and the README.md
94 lines
3.0 KiB
C
94 lines
3.0 KiB
C
#pragma once
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#include "common.h"
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#define GBAVC_MAGIC '.', 'C', 'A', 'A'
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#define AGBSAVE_MAGIC '.', 'S', 'A', 'V'
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#define AGBSAVE_MAX_SIZE (0x000180 * 0x200) // standard size of the NAND partition
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#define AGBSAVE_MAX_SSIZE (AGBSAVE_MAX_SIZE - sizeof(AgbSaveHeader))
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// see: http://3dbrew.org/wiki/3DS_Virtual_Console#Footer
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#define GBASAVE_EEPROM_512 (512)
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#define GBASAVE_EEPROM_8K (8 * 1024)
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#define GBASAVE_SRAM_32K (32 * 1024)
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#define GBASAVE_FLASH_64K (64 * 1024)
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#define GBASAVE_FLASH_128K (128 * 1024)
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#define GBASAVE_SIZE(tp) \
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(((tp == 0x0) || (tp == 0x1)) ? GBASAVE_EEPROM_512 : \
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((tp == 0x2) || (tp == 0x3)) ? GBASAVE_EEPROM_8K : \
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((tp >= 0x4) && (tp <= 0x9)) ? GBASAVE_FLASH_64K : \
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((tp >= 0xA) && (tp <= 0xD)) ? GBASAVE_FLASH_128K : \
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(tp == 0xE) ? GBASAVE_SRAM_32K : 0); // last one means invalid
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#define GBASAVE_VALID(size) \
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(((size) == GBASAVE_EEPROM_512) || \
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((size) == GBASAVE_EEPROM_8K) || \
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((size) == GBASAVE_SRAM_32K) || \
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((size) == GBASAVE_FLASH_64K) || \
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((size) == GBASAVE_FLASH_128K))
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// see: http://problemkaputt.de/gbatek.htm#gbacartridgeheader
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#define AGB_DESTSTR(code) \
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(((code)[3] == 'J') ? "Japan" : \
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((code)[3] == 'E') ? "USA/English" : \
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((code)[3] == 'P') ? "Europe/Elsewhere" : \
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((code)[3] == 'D') ? "German" : \
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((code)[3] == 'F') ? "French" : \
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((code)[3] == 'I') ? "Italian" : \
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((code)[3] == 'S') ? "Spanish" : "Unknown")
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// see: http://3dbrew.org/wiki/3DS_Virtual_Console#Footer
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// still a lot of unknowns in here, also redundant stuff left out
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typedef struct {
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u8 unknown0[4];
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u32 rom_size;
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u32 save_type;
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u8 unknown1[20];
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u32 lcd_ghosting;
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u8 video_lut[0x300];
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u8 unknown2[44];
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u8 magic[4]; // ".CAA"
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u8 unknown3[12];
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} PACKED_STRUCT AgbVcFooter;
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// see: http://3dbrew.org/wiki/3DS_Virtual_Console#NAND_Savegame
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typedef struct {
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u8 magic[4]; // ".SAV"
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u8 reserved0[0xC]; // always 0xFF
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u8 cmac[0x10];
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u8 reserved1[0x10]; // always 0xFF
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u32 unknown0; // always 0x01
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u32 times_saved;
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u64 title_id;
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u8 sd_cid[0x10];
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u32 save_start; // always 0x200
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u32 save_size;
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u8 reserved2[0x8]; // always 0xFF
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u32 unknown1; // has to do with ARM7?
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u32 unknown2; // has to do with ARM7?
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u8 reserved3[0x198]; // always 0xFF
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} PACKED_STRUCT AgbSaveHeader;
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// see: http://problemkaputt.de/gbatek.htm#gbacartridgeheader
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typedef struct {
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u32 arm7_rom_entry;
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u8 logo[0x9C];
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char game_title[12];
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char game_code[4];
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char maker_code[2];
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u8 fixed; // 0x96, required!
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u8 unit_code; // 0x00 for current GBA
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u8 device_type; // 0x00 usually
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u8 reserved0[7]; // always 0x00
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u8 software_version; // 0x00 usually
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u8 checksum; // header checksum, required
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u8 reserved[2]; // always 0x00
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// stuff for multiboot not included
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} __attribute__((packed, aligned(16))) AgbHeader;
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u32 ValidateAgbSaveHeader(AgbSaveHeader* header);
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u32 ValidateAgbHeader(AgbHeader* agb);
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