From dac4192fd3b875706a7f1ce8bfb97c813ea503de Mon Sep 17 00:00:00 2001 From: GriffinR Date: Sun, 31 Oct 2021 16:36:31 -0400 Subject: [PATCH] Split headers from crt0 --- ld_script.txt | 4 + src/crt0.s | 100 ------------------------- asm/rom_header.inc => src/rom_header.s | 7 ++ src/rom_header_gf.s | 89 ++++++++++++++++++++++ 4 files changed, 100 insertions(+), 100 deletions(-) rename asm/rom_header.inc => src/rom_header.s (73%) create mode 100644 src/rom_header_gf.s diff --git a/ld_script.txt b/ld_script.txt index 3c1a25094..10abd8810 100644 --- a/ld_script.txt +++ b/ld_script.txt @@ -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); diff --git a/src/crt0.s b/src/crt0.s index 672fc94f2..6e3b86a72 100644 --- a/src/crt0.s +++ b/src/crt0.s @@ -1,107 +1,7 @@ -#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 diff --git a/asm/rom_header.inc b/src/rom_header.s similarity index 73% rename from asm/rom_header.inc rename to src/rom_header.s index 6730efae2..596fd379f 100644 --- a/asm/rom_header.inc +++ b/src/rom_header.s @@ -1,3 +1,10 @@ +@ 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 diff --git a/src/rom_header_gf.s b/src/rom_header_gf.s new file mode 100644 index 000000000..b021158f5 --- /dev/null +++ b/src/rom_header_gf.s @@ -0,0 +1,89 @@ +#include "constants/global.h" + +@ 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