pokediamond/asm/entry.s
ProjectRevoTPP e8cea37829 sub to FUN
2020-04-15 12:09:59 -04:00

280 lines
5.3 KiB
ArmAsm

.include "asm/macros.inc"
.include "global.inc"
.text
arm_func_start Entry
Entry: ; 0x02000800
mov ip, #0x4000000
str ip, [ip, #0x208]
_02000808:
ldrh r0, [ip, #6]
cmp r0, #0
bne _02000808
bl init_cp15
mov r0, #0x13
msr cpsr_c, r0
ldr r0, _02000918 ; =0x027E0000
add r0, r0, #0x3fc0
mov sp, r0
mov r0, #0x12
msr cpsr_c, r0
ldr r0, _02000918 ; =0x027E0000
add r0, r0, #0x3fc0
sub r0, r0, #0x40
sub sp, r0, #4
tst sp, #4
subeq sp, sp, #4
ldr r1, _0200091C ; =0x00000400
sub r1, r0, r1
mov r0, #0x1f
msr cpsr_fsxc, r0
sub sp, r1, #4
mov r0, #0
ldr r1, _02000918 ; =0x027E0000
mov r2, #0x4000
bl INITi_CpuClear32
mov r0, #0
ldr r1, _02000920 ; =0x05000000
mov r2, #1024
bl INITi_CpuClear32
mov r0, #512
ldr r1, _02000924 ; =0x07000000
mov r2, #1024
bl INITi_CpuClear32
ldr r1, _02000928 ; =_02000B68
ldr r0, [r1, #20]
bl MIi_UncompressBackward
bl do_autoload
ldr r0, _02000928 ; =_02000B68
ldr r1, [r0, #12]
ldr r2, [r0, #16]
mov r3, r1
mov r0, #0
_020008B4:
cmp r1, r2
strcc r0, [r1], #4
bcc _020008B4
bic r1, r3, #31
_020008C4:
mcr p15, 0x0, r0, cr7, cr10, 4
mcr p15, 0x0, r1, cr7, cr5, 1
mcr p15, 0x0, r1, cr7, cr14, 1
add r1, r1, #32
cmp r1, r2
blt _020008C4
ldr r1, _0200092C ; =0x027FFF9C
str r0, [r1]
ldr r1, _02000918 ; =0x027E0000
add r1, r1, #16320
add r1, r1, #60
ldr r0, _02000930 ; =0x01FF8000
str r0, [r1]
bl FUN_020EC5CC
bl FUN_02000B64_dummy
bl FUN_020EC694
ldr r1, _02000934 ; =0x02000C55
ldr lr, _02000938 ; =0xFFFF0000
tst sp, #4
subne sp, sp, #4
bx r1
_02000918: .word 0x027E0000
_0200091C: .word 0x00000400
_02000920: .word 0x05000000
_02000924: .word 0x07000000
_02000928: .word _02000B68
_0200092C: .word 0x027FFF9C
_02000930: .word 0x01FF8000
_02000934: .word NitroMain+1
_02000938: .word 0xFFFF0000
arm_func_end Entry
arm_func_start INITi_CpuClear32
INITi_CpuClear32:
add ip, r1, r2
_02000940:
cmp r1, ip
stmltia r1!, {r0}
blt _02000940
bx lr
arm_func_end INITi_CpuClear32
arm_func_start MIi_UncompressBackward
MIi_UncompressBackward:
cmp r0, #0
beq _020009F8
stmdb sp!, {r4-r7}
ldmdb r0, {r1, r2}
add r2, r0, r2
sub r3, r0, r1, lsr #24
bic r1, r1, #-16777216
sub r1, r0, r1
mov r4, r2
_02000974:
cmp r3, r1
ble _020009D4
ldrb r5, [r3, #-1]!
mov r6, #8
_02000984:
subs r6, r6, #1
blt _02000974
tst r5, #128
bne _020009A0
ldrb r0, [r3, #-1]!
strb r0, [r2, #-1]!
b _020009C8
_020009A0:
ldrb ip, [r3, #-1]!
ldrb r7, [r3, #-1]!
orr r7, r7, ip, lsl #8
bic r7, r7, #61440
add r7, r7, #2
add ip, ip, #32
_020009B8:
ldrb r0, [r2, r7]
strb r0, [r2, #-1]!
subs ip, ip, #16
bge _020009B8
_020009C8:
cmp r3, r1
mov r5, r5, lsl #0x1
bgt _02000984
_020009D4:
mov r0, #0
bic r3, r1, #31
_020009DC:
mcr p15, 0x0, r0, cr7, cr10, 4
mcr p15, 0x0, r3, cr7, cr5, 1
mcr p15, 0x0, r3, cr7, cr14, 1
add r3, r3, #32
cmp r3, r4
blt _020009DC
ldmia sp!, {r4-r7}
_020009F8:
bx lr
arm_func_end MIi_UncompressBackward
arm_func_start do_autoload
do_autoload:
ldr r0, =_02000B68
ldr r1, [r0]
ldr r2, [r0, #4]
ldr r3, [r0, #8]
_02000A0C:
cmp r1, r2
beq _02000A6C
ldr r5, [r1], #4
ldr r7, [r1], #4
add r6, r5, r7
mov r4, r5
_02000A24:
cmp r4, r6
ldrmi r7, [r3], #4
strmi r7, [r4], #4
bmi _02000A24
ldr r7, [r1], #4
add r6, r4, r7
mov r7, #0
_02000A40:
cmp r4, r6
strcc r7, [r4], #4
bcc _02000A40
bic r4, r5, #31
_02000A50:
mcr p15, 0x0, r7, cr7, cr10, 4
mcr p15, 0x0, r4, cr7, cr5, 1
mcr p15, 0x0, r4, cr7, cr14, 1
add r4, r4, #32
cmp r4, r6
blt _02000A50
b _02000A0C
_02000A6C:
b _2000A74
.pool
_2000A74:
bx lr
arm_func_end do_autoload
arm_func_start init_cp15
init_cp15: ; 0x02000A78
mrc p15, 0x0, r0, c1, c0, 0x0
ldr r1, =0x000F9005
bic r0, r0, r1
mcr p15, 0x0, r0, c1, c0, 0x0
mov r0, #0
mcr p15, 0x0, r0, c7, c5, 0x0
mcr p15, 0x0, r0, c7, c6, 0x0
mcr p15, 0x0, r0, c7, c10, 0x4
ldr r0, =0x04000033
mcr p15, 0x0, r0, c6, c0, 0x0
ldr r0, =0x0200002D
mcr p15, 0x0, r0, c6, c1, 0x0
ldr r0, =0x027E0021
mcr p15, 0x0, r0, c6, c2, 0x0
ldr r0, =0x08000035
mcr p15, 0x0, r0, c6, c3, 0x0
ldr r0, =0x027E0000
orr r0, r0, #0x1a
orr r0, r0, #1
mcr p15, 0x0, r0, c6, c4, 0x0
ldr r0, =0x0100002F
mcr p15, 0x0, r0, c6, c5, 0x0
ldr r0, =0xFFFF001D
mcr p15, 0x0, r0, c6, c6, 0x0
ldr r0, =0x027FF017
mcr p15, 0x0, r0, c6, c7, 0x0
mov r0, #0x20
mcr p15, 0x0, r0, c9, c1, 0x1
ldr r0, =0x027E0000
orr r0, r0, #0xa
mcr p15, 0x0, r0, c9, c1, 0x0
mov r0, #0x42
mcr p15, 0x0, r0, c2, c0, 0x1
mov r0, #0x42
mcr p15, 0x0, r0, c2, c0, 0x0
mov r0, #2
mcr p15, 0x0, r0, c3, c0, 0x0
ldr r0, =0x05100011
mcr p15, 0x0, r0, c5, c0, 0x3
ldr r0, =0x15111011
mcr p15, 0x0, r0, c5, c0, 0x2
mrc p15, 0x0, r0, c1, c0, 0x0
ldr r1, =0x0005707D
orr r0, r0, r1
mcr p15, 0x0, r0, c1, c0, 0x0
bx lr
.align 2, 0
.pool
arm_func_start FUN_02000B60_dummy
FUN_02000B60_dummy: ; 0x02000B60
bx lr
arm_func_start FUN_02000B64_dummy
FUN_02000B64_dummy: ; 0x02000B64
bx lr
_02000B68:
.word 0x02107700
.word 0x02107724
.word 0x02106FA0
.word 0x02106FA0
.word 0x021D74E0
.word 0x00000000
.byte 0x31, 0x75, 0x02, 0x03, 0x21, 0x06, 0xC0, 0xDE, 0xDE, 0xC0, 0x06, 0x21
# strings
.balign 4
.asciz "[SDK+NINTENDO:DWC1.2.30006.061019.2254_DWC_1_2_PLUS6]"
.balign 4
.asciz "[SDK+NINTENDO:WiFi1.2.30000.0609050341]"
.balign 4
.asciz "[SDK+UBIQUITOUS:CPS]"
.balign 4
.asciz "[SDK+UBIQUITOUS:SSL]"
.balign 4
.asciz "[SDK+Abiosso:libVCT 1.0.1_ec]"
.balign 4
.asciz "[SDK+NINTENDO:BACKUP]"