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Merge pull request #1544 from GriffinRichards/romheadergf

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Split headers from crt0.s
This commit is contained in:
GriffinR 2021-11-09 23:54:57 -05:00 committed by GitHub
commit ef935f6f4a
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GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 238 additions and 140 deletions
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35
asm/rom_header.inc
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@ -1,35 +0,0 @@
.global RomHeaderNintendoLogo
RomHeaderNintendoLogo:
.space 156
RomHeaderGameTitle:
.space 12
.global RomHeaderGameCode
RomHeaderGameCode:
.space 4
RomHeaderMakerCode:
.space 2
RomHeaderMagic:
.byte 0
RomHeaderMainUnitCode:
.byte 0
RomHeaderDeviceType:
.byte 0
RomHeaderReserved1:
.space 7
.global RomHeaderSoftwareVersion
RomHeaderSoftwareVersion:
.byte 0
RomHeaderChecksum:
.byte 0
RomHeaderReserved2:
.space 2

5
include/crt0.h
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@ -1,11 +1,6 @@
#ifndef GUARD_CRT0_H
#define GUARD_CRT0_H
// Exported type declarations
// Exported RAM declarations
// Exported ROM declarations
extern u32 IntrMain[];
#endif //GUARD_CRT0_H

1
include/item.h
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@ -29,6 +29,7 @@ struct BagPocket
u8 capacity;
};
extern const struct Item gItems[];
extern struct BagPocket gBagPockets[];
void ApplyNewEncryptionKeyToBagItems(u32 newKey);

2
include/pokeball.h
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@ -26,6 +26,8 @@ enum {
BALL_AFFINE_ANIM_4
};
extern const struct CompressedSpriteSheet gBallSpriteSheets[];
extern const struct CompressedSpritePalette gBallSpritePalettes[];
extern const struct SpriteTemplate gBallSpriteTemplates[];
#define POKEBALL_PLAYER_SENDOUT 0xFF

2
include/pokemon_icon.h
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@ -2,6 +2,8 @@
#define GUARD_POKEMON_ICON_H
extern const u8 gMonIconPaletteIndices[];
extern const u8 *const gMonIconTable[];
extern const struct SpritePalette gMonIconPaletteTable[];
const u8 *GetMonIconTiles(u16 species, bool32);
void TryLoadAllMonIconPalettesAtOffset(u16 offset);

4
ld_script.txt
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@ -47,6 +47,8 @@ SECTIONS {
.text :
ALIGN(4)
{
src/rom_header.o(.text);
src/rom_header_gf.o(.text.*);
src/crt0.o(.text);
src/main.o(.text);
gflib/malloc.o(.text);
@ -435,6 +437,8 @@ SECTIONS {
.rodata :
ALIGN(4)
{
src/rom_header.o(.rodata);
src/rom_header_gf.o(.rodata);
src/main.o(.rodata);
gflib/bg.o(.rodata);
gflib/window.o(.rodata);

2
ld_script_modern.txt
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@ -47,7 +47,7 @@ SECTIONS {
.text :
ALIGN(4)
{
src/crt0.o(.text*);
src/rom_header.o(.text*);
src/*.o(.text*);
gflib/*.o(.text*);
asm/*.o(.text*);

99
src/crt0.s
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@ -1,108 +1,9 @@
#include "constants/global.h"
.include "constants/gba_constants.inc"
.syntax unified
.global Start
.text
.arm
Start: @ 8000000
b Init
.include "asm/rom_header.inc"
@ 80000C0
.word 0
.global GPIOPortData
GPIOPortData: @ 80000C4
.2byte 0
.global GPIOPortDirection
GPIOPortDirection: @ 80000C6
.2byte 0
.global GPIOPortReadEnable
GPIOPortReadEnable: @ 80000C8
.2byte 0
@ 80000CA
.2byte 0
@ 80000CC
.space 0x34
.4byte GAME_VERSION
.4byte GAME_LANGUAGE
.ascii "pokemon emerald version"
.space 9
.4byte gMonFrontPicTable
.4byte gMonBackPicTable
.4byte gMonPaletteTable
.4byte gMonShinyPaletteTable
.4byte gMonIconTable
.4byte gMonIconPaletteIndices
.4byte gMonIconPaletteTable
.4byte gSpeciesNames
.4byte gMoveNames
.4byte gDecorations
.4byte 0x00001270 @ offsetof(struct SaveBlock1, flags)
.4byte 0x0000139c @ offsetof(struct SaveBlock1, vars)
.4byte 0x00000018 @ offsetof(struct SaveBlock2, pokedex)
.4byte 0x00000988 @ offsetof(struct SaveBlock1, seen1)
.4byte 0x00003b24 @ offsetof(struct SaveBlock1, seen2)
.4byte 0x00000046 @ ?
.4byte 0x000008e4 @ ?
.4byte 0x000008ac @ ?
.4byte 0x00000182 @ NATIONAL_DEX_COUNT?
.byte 0x07, 0x0a, 0x0a, 0x0a, 0x0c, 0x0c, 0x06, 0x0c
.byte 0x06, 0x10, 0x12, 0x0c, 0x0f, 0x0b, 0x01, 0x08
.4byte 0x0000000c @ ?
.4byte 0x00000f2c @ sizeof(struct SaveBlock2)
.4byte 0x00003d88 @ sizeof(struct SaveBlock1)
.4byte 0x00000234 @ offsetof(struct SaveBlock1, playerPartyCount)
.4byte 0x00000238 @ offsetof(struct SaveBlock1, playerParty)
.4byte 0x00000009 @ offsetof(struct SaveBlock2, specialSaveWarpFlags)
.4byte 0x0000000a @ offsetof(struct SaveBlock2, playerTrainerId)
.4byte 0x00000000 @ offsetof(struct SaveBlock2, playerName)
.4byte 0x00000008 @ offsetof(struct SaveBlock2, playerGender)
.4byte 0x00000ca8 @ offsetof(struct SaveBlock2, frontier.challengeStatus)
.4byte 0x00000ca8 @ offsetof(struct SaveBlock2, frontier.challengeStatus)
.4byte 0x000031c7 @ offsetof(struct SaveBlock1, externalEventFlags)
.4byte 0x000031b3 @ offsetof(struct SaveBlock1, externalEventData)
.4byte 0x00000000
.4byte gBaseStats
.4byte gAbilityNames
.4byte gAbilityDescriptionPointers
.4byte gItems
.4byte gBattleMoves
.4byte gBallSpriteSheets
.4byte gBallSpritePalettes
.4byte 0x000000a8 @ offsetof(struct SaveBlock2, gcnLinkFlags)
.4byte 0x00000864 @ ?
.4byte 0x0000089b @ ?
.byte 0x1e, 0x1e, 0x10, 0x40
.4byte 0x0000322e @ offsetof(struct SaveBlock1, ? part-way into mysteryGift)
.4byte 0x00000498 @ offsetof(struct SaveBlock1, pcItems)
.4byte 0x000031a8 @ offsetof(struct SaveBlock1, giftRibbons)
.4byte 0x000031f8 @ offsetof(struct SaveBlock1, enigmaBerry)
.4byte 0x00000034 @ offsetof(struct SaveBlock1, mapView)
.4byte 0x00000000
.4byte 0x00000000
.arm
.align 2, 0
.global Init
Init: @ 8000204

63
src/rom_header.s Normal file
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@ -0,0 +1,63 @@
@ Note: ROM header data is empty space here.
@ It's populated by gbafix using data provided in the Makefile.
.global Start
Start: @ 8000000
b Init
.global RomHeaderNintendoLogo
RomHeaderNintendoLogo:
.space 156
RomHeaderGameTitle:
.space 12
.global RomHeaderGameCode
RomHeaderGameCode:
.space 4
RomHeaderMakerCode:
.space 2
RomHeaderMagic:
.byte 0
RomHeaderMainUnitCode:
.byte 0
RomHeaderDeviceType:
.byte 0
RomHeaderReserved1:
.space 7
.global RomHeaderSoftwareVersion
RomHeaderSoftwareVersion:
.byte 0
RomHeaderChecksum:
.byte 0
RomHeaderReserved2:
.space 2
@ 80000C0
.word 0
.global GPIOPortData
GPIOPortData: @ 80000C4
.2byte 0
.global GPIOPortDirection
GPIOPortDirection: @ 80000C6
.2byte 0
.global GPIOPortReadEnable
GPIOPortReadEnable: @ 80000C8
.2byte 0
@ 80000CA
.2byte 0
@ 80000CC
.space 0x34

165
src/rom_header_gf.c Normal file
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@ -0,0 +1,165 @@
#include "global.h"
#include "data.h"
#include "pokemon_icon.h"
#include "decoration.h"
#include "battle_main.h"
#include "item.h"
#include "pokeball.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 mysteryEventFlag;
u32 pokedexCount;
u8 unk1;
u8 unk2;
u8 unk3;
u8 unk4;
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 frontierStatusOffset;
u32 frontierStatusOffset2;
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 mapViewOffset;
u32 unk19;
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,
.gameName = "pokemon emerald version",
.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_NATIONAL_DEX - VARS_START,
.pokedexFlag = FLAG_RECEIVED_POKEDEX_FROM_BIRCH,
.mysteryEventFlag = FLAG_SYS_MYSTERY_EVENT_ENABLE,
.pokedexCount = NATIONAL_DEX_COUNT,
.unk1 = 0x07,
.unk2 = 0x0a,
.unk3 = 0x0a,
.unk4 = 0x0a,
.unk5 = 0x0c,
.unk6 = 0x0c,
.unk7 = 0x06,
.unk8 = 0x0c,
.unk9 = 0x06,
.unk10 = 0x10,
.unk11 = 0x12,
.unk12 = 0x0c,
.unk13 = 0x0f,
.unk14 = 0x0b,
.unk15 = 0x01,
.unk16 = 0x08,
.unk17 = 0x0c,
.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),
.frontierStatusOffset = offsetof(struct SaveBlock2, frontier.challengeStatus),
.frontierStatusOffset2 = offsetof(struct SaveBlock2, frontier.challengeStatus),
.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),
.mapViewOffset = offsetof(struct SaveBlock1, mapView),
.unk19 = 0x00000000,
.unk20 = 0x00000000, // 0xFFFFFFFF in FRLG
};