pmd-sky/lib/MSL_C/asm/MSL_Common_buffer_io.s
2026-06-04 18:40:03 -07:00

111 lines
2.0 KiB
ArmAsm

.include "asm/macros.inc"
.text
arm_func_start _convert_from_newlines
_convert_from_newlines: ; 0x02086568
bx lr
arm_func_end _convert_from_newlines
arm_func_start _convert_to_newlines
_convert_to_newlines: ; 0x0208656C
bx lr
arm_func_end _convert_to_newlines
arm_func_start _prep_buffer
_prep_buffer: ; 0x02086570
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: ; 0x020865A0
stmdb sp!, {r4, r5, r6, lr}
mov r5, r2
mov r4, r0
mov r6, r1
bl _prep_buffer
cmp r5, #1
ldreq r0, [r4, #0x20]
add r2, r4, #0x28
streq r0, [r4, #0x28]
ldr r0, [r4]
ldr r1, [r4, #0x1c]
ldr r3, [r4, #0x48]
ldr ip, [r4, #0x3c]
blx ip
cmp r0, #2
moveq r1, #0
streq r1, [r4, #0x28]
cmp r6, #0
ldrne r1, [r4, #0x28]
strne r1, [r6]
cmp r0, #0
ldmneia sp!, {r4, r5, r6, pc}
ldr r1, [r4, #0x18]
ldr r0, [r4, #0x28]
add r0, r1, r0
str r0, [r4, #0x18]
ldr r0, [r4, #4]
mov r0, r0, lsl #0x13
movs r0, r0, lsr #0x1f
bne _02086624
ldr r0, [r4, #0x1c]
add r1, r4, #0x28
bl _convert_to_newlines
_02086624:
mov r0, #0
ldmia sp!, {r4, r5, r6, pc}
arm_func_end _load_buffer
arm_func_start _flush_buffer
_flush_buffer: ; 0x0208662C
stmdb sp!, {r3, r4, r5, lr}
mov r5, r0
ldr r2, [r5, #0x24]
ldr r0, [r5, #0x1c]
mov r4, r1
subs r0, r2, r0
beq _020866A4
str r0, [r5, #0x28]
ldr r0, [r5, #4]
mov r0, r0, lsl #0x13
movs r0, r0, lsr #0x1f
bne _02086668
ldr r0, [r5, #0x1c]
add r1, r5, #0x28
bl _convert_from_newlines
_02086668:
ldr r0, [r5]
ldr r1, [r5, #0x1c]
ldr r3, [r5, #0x48]
ldr ip, [r5, #0x40]
add r2, r5, #0x28
blx ip
cmp r4, #0
ldrne r1, [r5, #0x28]
strne r1, [r4]
cmp r0, #0
ldmneia sp!, {r3, r4, r5, pc}
ldr r1, [r5, #0x18]
ldr r0, [r5, #0x28]
add r0, r1, r0
str r0, [r5, #0x18]
_020866A4:
mov r0, r5
bl _prep_buffer
mov r0, #0
ldmia sp!, {r3, r4, r5, pc}
arm_func_end _flush_buffer