dionmoustos/Pokemon-Firered
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Move 'source' asm files to src

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This commit is contained in:
GriffinR
2021-01-19 01:54:14 -05:00
parent 9350e2d338
commit 9d20f55a58
8 changed files with 10 additions and 9 deletions
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src/crt0.s
+240
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@@ -0,0 +1,240 @@
.include "constants/gba_constants.inc"
.include "constants/misc_constants.inc"
.include "constants/version.inc"
.syntax unified
.global Start
.text
.arm
_start: @ 8000000
b start_vector
.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
.4byte 0xFFFFFFFF
.4byte 0xFFFFFFFF
.4byte 0xFFFFFFFF
.4byte 0xFFFFFFFF
.4byte 0xFFFFFFFF
.4byte 0xFFFFFFFF
.4byte 0xFFFFFFFF
.4byte 0xFFFFFFFF
.4byte 0xFFFFFFFF
.4byte 0xFFFFFFFF
.4byte 0xFFFFFFFF
.4byte 0xFFFFFFFF
@ 8000100
.global CartIdent
CartIdent:
.4byte GAME_VERSION
.4byte GAME_LANGUAGE
.game_name:
.ifdef FIRERED
.ascii "pokemon red version"
.else
.ifdef LEAFGREEN
.ascii "pokemon green version"
.endif
.endif
.space .game_name+0x20-.
.4byte gMonFrontPicTable
.4byte gMonBackPicTable
.4byte gMonPaletteTable
.4byte gMonShinyPaletteTable
.4byte gMonIconTable
.4byte gMonIconPaletteIndices
.4byte gMonIconPaletteTable
.4byte gSpeciesNames
.4byte gMoveNames
.4byte gDecorations
.4byte 0xEE0 @ offsetof(struct SaveBlock1, flags)
.4byte 0x1000 @ offsetof(struct SaveBlock1, vars)
.4byte 0x18 @ offsetof(struct SaveBlock2, pokedex)
.4byte 0x5F8 @ offsetof(struct SaveBlock1, seen1)
.4byte 0x3A18 @ offsetof(struct SaveBlock1, seen2)
.4byte 0x3C
.4byte 0x838
.4byte 0x839
.4byte 0x182
.4byte 0xA0A0A07
.4byte 0xC060C0C
.4byte 0xC121006
.4byte 0x8010B0F
.4byte 0xC
.4byte 0xF24 @ sizeof(struct SaveBlock2)
.4byte 0x3D68 @ sizeof(struct SaveBlock1)
.4byte 0x34 @ offsetof(struct SaveBlock1, playerPartyCount)
.4byte 0x38 @ offsetof(struct SaveBlock1, playerParty)
.4byte 9 @ offsetof(struct SaveBlock2, specialSaveWarp)
.4byte 0xA @ offsetof(struct SaveBlock2, playerTrainerId)
.4byte 0 @ offsetof(struct SaveBlock2, playerName)
.4byte 8 @ offsetof(struct SaveBlock2, playerGender)
.4byte 0xAD @ offsetof(struct SaveBlock2, ?????? (0xAD))
.4byte 0xAD @ offsetof(struct SaveBlock2, ?????? (0xAD))
.4byte 0x30BB
.4byte 0x30A7
.4byte 0
.4byte gBaseStats
.4byte gAbilityNames
.4byte gAbilityDescriptionPointers
.4byte gItems
.4byte gBattleMoves
.4byte gBallSpriteSheets
.4byte gBallSpritePalettes
.4byte 0xA8
.4byte 0x82C
.4byte 0x83B
.4byte 0x3A0D1E2A
.4byte 0x1E2B
.4byte 0x298 @ offsetof(struct SaveBlock1, pcItems) // maybe all items were in a struct together?
.4byte 0x309C @ offsetof(struct SaveBlock1, giftRibbons)
.4byte 0x30EC @ offsetof(struct SaveBlock1, enigmaBerry)
.4byte 0x34 @ size of SaveBlock1 map header reconstruction data?
.4byte 0
.4byte 0xFFFFFFFF
.arm
.align 2, 0
.global start_vector
start_vector:
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_usr
ldr r1, =INTR_VECTOR
adr r0, intr_main
str r0, [r1]
ldr r1, =AgbMain
mov lr, pc
bx r1
b start_vector
.align 2, 0
sp_usr: .word IWRAM_END - 0x1C0
sp_irq: .word IWRAM_END - 0x60
.pool
.arm
.align 2, 0
.global intr_main
intr_main:
mov r3, #REG_BASE
add r3, r3, #OFFSET_REG_IE
ldr r2, [r3]
ldrh r1, [r3, #REG_IME - REG_IE]
mrs r0, spsr
stmdb sp!, {r0-r3,lr}
mov r0, #0
strh r0, [r3, #REG_IME - REG_IE]
and r1, r2, r2, lsr #16
mov r12, #0
ands r0, r1, #INTR_FLAG_VCOUNT
bne jump_intr
add r12, r12, 0x4
mov r0, 0x1
strh r0, [r3, #REG_IME - REG_IE]
ands r0, r1, #INTR_FLAG_SERIAL
bne jump_intr
add r12, r12, 0x4
ands r0, r1, #INTR_FLAG_TIMER3
bne jump_intr
add r12, r12, 0x4
ands r0, r1, #INTR_FLAG_HBLANK
bne jump_intr
add r12, r12, 0x4
ands r0, r1, #INTR_FLAG_VBLANK
bne jump_intr
add r12, r12, 0x4
ands r0, r1, #INTR_FLAG_TIMER0
bne jump_intr
add r12, r12, 0x4
ands r0, r1, #INTR_FLAG_TIMER1
bne jump_intr
add r12, r12, 0x4
ands r0, r1, #INTR_FLAG_TIMER2
bne jump_intr
add r12, r12, 0x4
ands r0, r1, #INTR_FLAG_DMA0
bne jump_intr
add r12, r12, 0x4
ands r0, r1, #INTR_FLAG_DMA1
bne jump_intr
add r12, r12, 0x4
ands r0, r1, #INTR_FLAG_DMA2
bne jump_intr
add r12, r12, 0x4
ands r0, r1, #INTR_FLAG_DMA3
bne jump_intr
add r12, r12, 0x4
ands r0, r1, #INTR_FLAG_KEYPAD
bne jump_intr
add r12, r12, 0x4
ands r0, r1, #INTR_FLAG_GAMEPAK
strbne r0, [r3, #REG_SOUNDCNT_X - REG_IE]
loop:
bne loop @ spin
jump_intr:
strh r0, [r3, #REG_IF - REG_IE]
bic r2, r2, r0
ldr r0, =gSTWIStatus
ldr r0, [r0]
ldrb r0, [r0, 0xA]
mov r1, #INTR_FLAG_TIMER0
lsl r0, r1, r0
orr r0, r0, #INTR_FLAG_GAMEPAK
orr r1, r0, #INTR_FLAG_SERIAL | INTR_FLAG_TIMER3 | INTR_FLAG_VCOUNT | INTR_FLAG_HBLANK
and r1, r1, r2
strh r1, [r3, #0]
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, intr_return
bx r0
intr_return:
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, #0]
strh r1, [r3, #REG_IME - REG_IE]
msr spsr_cf, r0
bx lr
.pool
.align 2, 0 @ Don't pad with nop.