Separate crt0, rom_header, and rom_header_gf

2022-06-21 20:10:07 -04:00
parent 0ef7307040
commit 2eb1c9664e
9 changed files with 253 additions and 150 deletions
@@ -0,0 +1,171 @@
+#include "global.h"
+#include "data.h"
+#include "pokemon_icon.h"
+#include "decoration.h"
+#include "battle_main.h"
+#include "item.h"
+#include "pokeball.h"
+#include "pokedex.h"
+
+struct GFRomHeader
+{
+    u32 version;
+    u32 language;
+    u8 gameName[32];
+    const struct CompressedSpriteSheet * monFrontPics;
+    const struct CompressedSpriteSheet * monBackPics;
+    const struct CompressedSpritePalette * monNormalPalettes;
+    const struct CompressedSpritePalette * monShinyPalettes;
+    const u8 * const * monIcons;
+    const u8 * monIconPaletteIds;
+    const struct SpritePalette * monIconPalettes;
+    const u8 (* monSpeciesNames)[];
+    const u8 (* moveNames)[];
+    const struct Decoration * decorations;
+    u32 flagsOffset;
+    u32 varsOffset;
+    u32 pokedexOffset;
+    u32 seen1Offset;
+    u32 seen2Offset;
+    u32 pokedexVar;
+    u32 pokedexFlag;
+    u32 mysteryGiftFlag;
+    u32 pokedexCount;
+    u8 playerNameLength;
+    u8 unk2;
+    u8 pokemonNameLength1;
+    u8 pokemonNameLength2;
+    u8 unk5;
+    u8 unk6;
+    u8 unk7;
+    u8 unk8;
+    u8 unk9;
+    u8 unk10;
+    u8 unk11;
+    u8 unk12;
+    u8 unk13;
+    u8 unk14;
+    u8 unk15;
+    u8 unk16;
+    u8 unk17;
+    u32 saveBlock2Size;
+    u32 saveBlock1Size;
+    u32 partyCountOffset;
+    u32 partyOffset;
+    u32 warpFlagsOffset;
+    u32 trainerIdOffset;
+    u32 playerNameOffset;
+    u32 playerGenderOffset;
+    u32 unkFlagOffset;
+    u32 unkFlagOffset2;
+    u32 externalEventFlagsOffset;
+    u32 externalEventDataOffset;
+    u32 unk18;
+    const struct BaseStats * baseStats;
+    const u8 (* abilityNames)[];
+    const u8 * const * abilityDescriptions;
+    const struct Item * items;
+    const struct BattleMove * moves;
+    const struct CompressedSpriteSheet * ballGfx;
+    const struct CompressedSpritePalette * ballPalettes;
+    u32 gcnLinkFlagsOffset;
+    u32 gameClearFlag;
+    u32 ribbonFlag;
+    u8 bagCountItems;
+    u8 bagCountKeyItems;
+    u8 bagCountPokeballs;
+    u8 bagCountTMHMs;
+    u8 bagCountBerries;
+    u8 pcItemsCount;
+    u32 pcItemsOffset;
+    u32 giftRibbonsOffset;
+    u32 enigmaBerryOffset;
+    u32 enigmaBerrySize;
+    const u8 * moveDescriptions;
+    u32 unk20;
+};
+
+// This seems to need to be in the text section for some reason.
+// To avoid a changed section attributes warning it's put in a special .text.consts section.
+__attribute__((section(".text.consts")))
+static const struct GFRomHeader sGFRomHeader = {
+    .version = GAME_VERSION,
+    .language = GAME_LANGUAGE,
+#ifdef FIRERED
+    .gameName = "pokemon red version",
+#else
+    .gameName = "pokemon green version",
+#endif
+    .monFrontPics = gMonFrontPicTable,
+    .monBackPics = gMonBackPicTable,
+    .monNormalPalettes = gMonPaletteTable,
+    .monShinyPalettes = gMonShinyPaletteTable,
+    .monIcons = gMonIconTable,
+    .monIconPaletteIds = gMonIconPaletteIndices,
+    .monIconPalettes = gMonIconPaletteTable,
+    .monSpeciesNames = gSpeciesNames,
+    .moveNames = gMoveNames,
+    .decorations = gDecorations,
+    .flagsOffset = offsetof(struct SaveBlock1, flags),
+    .varsOffset = offsetof(struct SaveBlock1, vars),
+    .pokedexOffset = offsetof(struct SaveBlock2, pokedex),
+    .seen1Offset = offsetof(struct SaveBlock1, seen1),
+    .seen2Offset = offsetof(struct SaveBlock1, seen2),
+    .pokedexVar = VAR_0x403C - VARS_START,
+    .pokedexFlag = FLAG_0x838,
+    .mysteryGiftFlag = FLAG_SYS_MYSTERY_GIFT_ENABLED,
+    .pokedexCount = NATIONAL_DEX_COUNT,
+    .playerNameLength = PLAYER_NAME_LENGTH,
+    .unk2 = 10,
+    .pokemonNameLength1 = POKEMON_NAME_LENGTH,
+    .pokemonNameLength2 = POKEMON_NAME_LENGTH,
+    // Two of the below 12s are likely move/ability name length, given their presence in this header
+    .unk5 = 12,
+    .unk6 = 12,
+    .unk7 = 6,
+    .unk8 = 12,
+    .unk9 = 6,
+    .unk10 = 16,
+    .unk11 = 18,
+    .unk12 = 12,
+    .unk13 = 15,
+    .unk14 = 11,
+    .unk15 = 1,
+    .unk16 = 8,
+    .unk17 = 12,
+    .saveBlock2Size = sizeof(struct SaveBlock2),
+    .saveBlock1Size = sizeof(struct SaveBlock1),
+    .partyCountOffset = offsetof(struct SaveBlock1, playerPartyCount),
+    .partyOffset = offsetof(struct SaveBlock1, playerParty),
+    .warpFlagsOffset = offsetof(struct SaveBlock2, specialSaveWarpFlags),
+    .trainerIdOffset = offsetof(struct SaveBlock2, playerTrainerId),
+    .playerNameOffset = offsetof(struct SaveBlock2, playerName),
+    .playerGenderOffset = offsetof(struct SaveBlock2, playerGender),
+    .unkFlagOffset = offsetof(struct SaveBlock2, unkFlag2),
+    .unkFlagOffset2 = offsetof(struct SaveBlock2, unkFlag2),
+    .externalEventFlagsOffset = offsetof(struct SaveBlock1, externalEventFlags),
+    .externalEventDataOffset = offsetof(struct SaveBlock1, externalEventData),
+    .unk18 = 0x00000000,
+    .baseStats = gBaseStats,
+    .abilityNames = gAbilityNames,
+    .abilityDescriptions = gAbilityDescriptionPointers,
+    .items = gItems,
+    .moves = gBattleMoves,
+    .ballGfx = gBallSpriteSheets,
+    .ballPalettes = gBallSpritePalettes,
+    .gcnLinkFlagsOffset = offsetof(struct SaveBlock2, gcnLinkFlags),
+    .gameClearFlag = FLAG_SYS_GAME_CLEAR,
+    .ribbonFlag = FLAG_SYS_RIBBON_GET,
+    .bagCountItems = BAG_ITEMS_COUNT,
+    .bagCountKeyItems = BAG_KEYITEMS_COUNT,
+    .bagCountPokeballs = BAG_POKEBALLS_COUNT,
+    .bagCountTMHMs = BAG_TMHM_COUNT,
+    .bagCountBerries = BAG_BERRIES_COUNT,
+    .pcItemsCount = PC_ITEMS_COUNT,
+    .pcItemsOffset = offsetof(struct SaveBlock1, pcItems),
+    .giftRibbonsOffset = offsetof(struct SaveBlock1, giftRibbons),
+    .enigmaBerryOffset = offsetof(struct SaveBlock1, enigmaBerry),
+    .enigmaBerrySize = sizeof(struct EnigmaBerry),
+    .moveDescriptions = NULL,
+    .unk20 = 0xFFFFFFFF, // 0x00000000 in Emerald
+};