1 files changed, 84 insertions, 0 deletions
diff --git a/arm9/asm/RUNTIME_ARM_semihosted_console_io.s b/arm9/asm/RUNTIME_ARM_semihosted_console_io.s
new file mode 100644
index 00000000..7bd44bdb
--- /dev/null
+++ b/arm9/asm/RUNTIME_ARM_semihosted_console_io.s
@@ -0,0 +1,84 @@
+	.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
+
+	.section .exceptix,4
+
+	.word __read_console
+	.short 81
+	.word 0x00300F00
+	.word __write_console
+	.short 53
+	.word 0x00200700
+\ No newline at end of file