pokediamond/arm9/asm/RUNTIME_ARM_semihosted_console_io.s
2023-05-24 09:15:59 +01:00

79 lines
1.3 KiB
ArmAsm

.include "asm/macros.inc"
.include "global.inc"
.text
arm_func_start sys_writec
sys_writec: ; 0x020EC5D0
str lr, [sp, #-0x4]!
mov r1, r0
mov r0, #0x3
swi 0x123456
ldr pc, [sp], #0x4
arm_func_start sys_readc
sys_readc: ; 0x020EC5E4
str lr, [sp, #-0x4]!
mov r1, #0x0
mov r0, #0x7
swi 0x123456
ldr pc, [sp], #0x4
arm_func_start sys_exit
sys_exit: ; 0x020EC5F8
mov r1, #0x0
mov r0, #0x18
swi 0x123456
mov pc, lr
arm_func_start __read_console
__read_console: ; 0x020EC608
stmdb sp!, {r3-r7,lr}
mov r6, r2
ldr r5, [r6, #0x0]
mov r7, r1
cmp r5, #0x0
mov r4, #0x0
bls _020EC650
_020EC624:
bl sys_readc
and r1, r0, #0xff
cmp r1, #0xd
strb r0, [r7, r4]
cmpne r1, #0xa
addeq r0, r4, #0x1
streq r0, [r6, #0x0]
beq _020EC650
add r4, r4, #0x1
cmp r4, r5
blo _020EC624
_020EC650:
mov r0, #0x0
ldmia sp!, {r3-r7,pc}
arm_func_start __write_console
__write_console: ; 0x020EC658
stmdb sp!, {r4-r6,lr}
ldr r5, [r2, #0x0]
mov r6, r1
cmp r5, #0x0
mov r4, #0x0
bls _020EC684
_020EC670:
add r0, r6, r4
bl sys_writec
add r4, r4, #0x1
cmp r4, r5
blo _020EC670
_020EC684:
mov r0, #0x0
ldmia sp!, {r4-r6,pc}
arm_func_start __close_console
__close_console: ; 0x020EC68C
mov r0, #0x0
bx lr
exception __read_console, 81, 0x00300F00
exception __write_console, 53, 0x00200700