pokediamond/arm9/asm/MSL_Common_buffer_io.s
2021-06-02 20:37:13 -04:00

120 lines
2.3 KiB
ArmAsm

.include "asm/macros.inc"
.include "global.inc"
.text
arm_func_start __convert_from_newlines
__convert_from_newlines:
bx lr
arm_func_end __convert_from_newlines
arm_func_start __convert_to_newlines
__convert_to_newlines:
bx lr
arm_func_end __convert_to_newlines
arm_func_start __prep_buffer
__prep_buffer:
ldr r1, [r0, #0x1c]
str r1, [r0, #0x24]
ldr r3, [r0, #0x20]
str r3, [r0, #0x28]
ldr r2, [r0, #0x18]
ldr r1, [r0, #0x2c]
and r1, r2, r1
sub r1, r3, r1
str r1, [r0, #0x28]
ldr r1, [r0, #0x18]
str r1, [r0, #0x34]
bx lr
arm_func_end __prep_buffer
arm_func_start __load_buffer
__load_buffer:
stmdb sp!, {r4-r6,lr}
mov r5, r2
mov r4, r0
mov r6, r1
bl __prep_buffer
cmp r5, #0x1
ldreq r0, [r4, #0x20]
add r2, r4, #0x28
streq r0, [r4, #0x28]
ldr r0, [r4, #0x0]
ldr r1, [r4, #0x1c]
ldr r3, [r4, #0x48]
ldr r12, [r4, #0x3c]
blx r12
cmp r0, #0x2
moveq r1, #0x0
streq r1, [r4, #0x28]
cmp r6, #0x0
ldrne r1, [r4, #0x28]
strne r1, [r6, #0x0]
cmp r0, #0x0
ldmneia sp!, {r4-r6,pc}
ldr r1, [r4, #0x18]
ldr r0, [r4, #0x28]
add r0, r1, r0
str r0, [r4, #0x18]
ldr r0, [r4, #0x4]
mov r0, r0, lsl #0x13
movs r0, r0, lsr #0x1f
bne _020DE4F4
ldr r0, [r4, #0x1c]
add r1, r4, #0x28
bl __convert_to_newlines
_020DE4F4:
mov r0, #0x0
ldmia sp!, {r4-r6,pc}
arm_func_end __load_buffer
arm_func_start __flush_buffer
__flush_buffer:
stmdb sp!, {r3-r5,lr}
mov r5, r0
ldr r2, [r5, #0x24]
ldr r0, [r5, #0x1c]
mov r4, r1
subs r0, r2, r0
beq _020DE574
str r0, [r5, #0x28]
ldr r0, [r5, #0x4]
mov r0, r0, lsl #0x13
movs r0, r0, lsr #0x1f
bne _020DE538
ldr r0, [r5, #0x1c]
add r1, r5, #0x28
bl __convert_from_newlines
_020DE538:
ldr r0, [r5, #0x0]
ldr r1, [r5, #0x1c]
ldr r3, [r5, #0x48]
ldr r12, [r5, #0x40]
add r2, r5, #0x28
blx r12
cmp r4, #0x0
ldrne r1, [r5, #0x28]
strne r1, [r4, #0x0]
cmp r0, #0x0
ldmneia sp!, {r3-r5,pc}
ldr r1, [r5, #0x18]
ldr r0, [r5, #0x28]
add r0, r1, r0
str r0, [r5, #0x18]
_020DE574:
mov r0, r5
bl __prep_buffer
mov r0, #0x0
ldmia sp!, {r3-r5,pc}
arm_func_end __flush_buffer
.section .exceptix,4
.word __load_buffer
.short 141
.word 0x00200700
.word __flush_buffer
.short 137
.word 0x00200300