diff options
Diffstat (limited to 'asm/crt0.s')
| -rw-r--r-- | asm/crt0.s | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/asm/crt0.s b/asm/crt0.s deleted file mode 100644 index 049392be9..000000000 --- a/asm/crt0.s +++ /dev/null @@ -1,227 +0,0 @@ - .include "constants/gba_constants.inc" - .include "constants/misc_constants.inc" - .include "constants/version.inc" - - .syntax unified - - .global Start - - .text - - .arm - -Start: @ 8000000 - b Init - - .include "asm/rom_header.inc" - -@ 80000C0 - .word 0 - - .global GPIOPortData -GPIOPortData: @ 80000C4 - .hword 0 - - .global GPIOPortDirection -GPIOPortDirection: @ 80000C6 - .hword 0 - - .global GPIOPortReadEnable -GPIOPortReadEnable: @ 80000C8 - .hword 0 - - .space 6 - -@ 80000D0 - -@ TODO: figure out what this data is - - .ifdef GERMAN - .4byte 0xFFFFFFFF - .4byte 0xFFFFFFFF - .4byte 0xFFFFFFFF - .4byte 0xFFFFFFFF - .4byte 0xFFFFFFFF - .4byte 0xFFFFFFFF - .4byte 0xFFFFFFFF - .4byte 0xFFFFFFFF - .4byte 0xFFFFFFFF - .4byte 0xFFFFFFFF - .4byte 0xFFFFFFFF - .4byte 0xFFFFFFFF - .4byte GAME_VERSION - .4byte GAME_LANGUAGE - .ifdef SAPPHIRE - .ascii "pokemon sapphire version" - .space 8 - .else - .ascii "pokemon ruby version" - .space 12 - .endif - .4byte gMonFrontPicTable - .4byte gMonBackPicTable - .4byte gMonPaletteTable - .4byte gMonShinyPaletteTable - .4byte gMonIconTable - .4byte gMonIconPaletteIndices - .4byte gMonIconPaletteTable - .4byte gSpeciesNames - .4byte gMoveNames - .4byte gDecorations - .4byte 0x1220 - .4byte 0x1340 - .4byte 0x18 - .4byte 0x938 - .4byte 0x3A8C - .4byte 0x46 - .4byte 0x836 - .4byte 0x84C - .4byte 0x182 - .4byte 0xA0A0A07 - .4byte 0xC060C0C - .4byte 0xC121006 - .4byte 0x8010B0F - .4byte 0xC - .4byte 0x890 - .4byte 0x3AC0 - .4byte 0x234 - .4byte 0x238 - .4byte 9 - .4byte 0xA - .4byte 0 - .4byte 8 - .4byte 0x556 - .4byte 0x557 - .4byte 0x312F - .4byte 0x311B - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0xFFFFFFFF - .endif - - .arm - .align 2, 0 - .global Init -Init: - mov r0, PSR_IRQ_MODE - msr cpsr_cf, r0 - ldr sp, sp_irq - mov r0, PSR_SYS_MODE - msr cpsr_cf, r0 - ldr sp, sp_sys - ldr r1, =INTR_VECTOR - adr r0, IntrMain - str r0, [r1] - ldr r1, =AgbMain - mov lr, pc - bx r1 - b Init - - .align 2, 0 -sp_sys: .word IWRAM_END - 0x1a0 -sp_irq: .word IWRAM_END - 0x60 - - .arm - .align 2, 0 - .global IntrMain -IntrMain: - mov r3, REG_BASE - add r3, r3, 0x200 - ldr r2, [r3, OFFSET_REG_IE - 0x200] - ldrh r1, [r3, OFFSET_REG_IME - 0x200] - mrs r0, spsr - stmdb sp!, {r0-r3,lr} - mov r0, 1 - strh r0, [r3, OFFSET_REG_IME - 0x200] - and r1, r2, r2, lsr 16 - mov r12, 0 - ands r0, r1, INTR_FLAG_SERIAL - bne IntrMain_FoundIntr - add r12, r12, 0x4 - ands r0, r1, INTR_FLAG_TIMER3 - bne IntrMain_FoundIntr - add r12, r12, 0x4 - ands r0, r1, INTR_FLAG_HBLANK - bne IntrMain_FoundIntr - add r12, r12, 0x4 - ands r0, r1, INTR_FLAG_VBLANK - bne IntrMain_FoundIntr - add r12, r12, 0x4 - ands r0, r1, INTR_FLAG_VCOUNT - bne IntrMain_FoundIntr - add r12, r12, 0x4 - ands r0, r1, INTR_FLAG_TIMER0 - bne IntrMain_FoundIntr - add r12, r12, 0x4 - ands r0, r1, INTR_FLAG_TIMER1 - bne IntrMain_FoundIntr - add r12, r12, 0x4 - ands r0, r1, INTR_FLAG_TIMER2 - bne IntrMain_FoundIntr - add r12, r12, 0x4 - ands r0, r1, INTR_FLAG_DMA0 - bne IntrMain_FoundIntr - add r12, r12, 0x4 - ands r0, r1, INTR_FLAG_DMA1 - bne IntrMain_FoundIntr - add r12, r12, 0x4 - ands r0, r1, INTR_FLAG_DMA2 - bne IntrMain_FoundIntr - add r12, r12, 0x4 - ands r0, r1, INTR_FLAG_DMA3 - bne IntrMain_FoundIntr - add r12, r12, 0x4 - ands r0, r1, INTR_FLAG_KEYPAD - bne IntrMain_FoundIntr - add r12, r12, 0x4 - ands r0, r1, INTR_FLAG_GAMEPAK - strbne r0, [r3, OFFSET_REG_SOUNDCNT_X - 0x200] -IntrMain_Loop: - bne IntrMain_Loop -IntrMain_FoundIntr: - strh r0, [r3, OFFSET_REG_IF - 0x200] - mov r1, INTR_FLAG_SERIAL | INTR_FLAG_TIMER3 | INTR_FLAG_HBLANK - bic r2, r2, r0 - and r1, r1, r2 - strh r1, [r3, OFFSET_REG_IE - 0x200] - mrs r3, cpsr - bic r3, r3, PSR_I_BIT | PSR_F_BIT | PSR_MODE_MASK - orr r3, r3, PSR_SYS_MODE - msr cpsr_cf, r3 - ldr r1, =gIntrTable - add r1, r1, r12 - ldr r0, [r1] - stmdb sp!, {lr} - adr lr, IntrMain_RetAddr - bx r0 -IntrMain_RetAddr: - ldmia sp!, {lr} - mrs r3, cpsr - bic r3, r3, PSR_I_BIT | PSR_F_BIT | PSR_MODE_MASK - orr r3, r3, PSR_I_BIT | PSR_IRQ_MODE - msr cpsr_cf, r3 - ldmia sp!, {r0-r3,lr} - strh r2, [r3, OFFSET_REG_IE - 0x200] - strh r1, [r3, OFFSET_REG_IME - 0x200] - msr spsr_cf, r0 - bx lr - - .pool - - .align 2, 0 @ Don't pad with nop. |