1 files changed, 190 insertions, 0 deletions
diff --git a/arm9/asm/FX_cp.s b/arm9/asm/FX_cp.s
new file mode 100644
index 00000000..1c5f0350
--- /dev/null
+++ b/arm9/asm/FX_cp.s
@@ -0,0 +1,190 @@
+	.include "asm/macros.inc"
+	.include "global.inc"
+
+	.text
+
+	arm_func_start FX_ModS32
+FX_ModS32: ; 0x020C4E98
+	stmdb sp!, {lr}
+	sub sp, sp, #0x4
+	ldr ip, _020C4EE0 ; =0x04000280
+	mov lr, #0x0
+	ldr r3, _020C4EE4 ; =0x04000290
+	strh lr, [r12, #0x0]
+	ldr r2, _020C4EE8 ; =0x04000298
+	str r0, [r3, #0x0]
+	str r1, [r2, #0x0]
+	str lr, [r2, #0x4]
+_020C4EC0:
+	ldrh r0, [r12, #0x0]
+	ands r0, r0, #0x8000
+	bne _020C4EC0
+	ldr r0, _020C4EEC ; =0x040002A8
+	ldr r0, [r0, #0x0]
+	add sp, sp, #0x4
+	ldmia sp!, {lr}
+	bx lr
+	.balign 4
+_020C4EE0: .word 0x04000280
+_020C4EE4: .word 0x04000290
+_020C4EE8: .word 0x04000298
+_020C4EEC: .word 0x040002A8
+
+	arm_func_start FX_DivS32
+FX_DivS32: ; 0x020C4EF0
+	stmdb sp!, {lr}
+	sub sp, sp, #0x4
+	ldr ip, _020C4F38 ; =0x04000280
+	mov lr, #0x0
+	ldr r3, _020C4F3C ; =0x04000290
+	strh lr, [r12, #0x0]
+	ldr r2, _020C4F40 ; =0x04000298
+	str r0, [r3, #0x0]
+	str r1, [r2, #0x0]
+	str lr, [r2, #0x4]
+_020C4F18:
+	ldrh r0, [r12, #0x0]
+	ands r0, r0, #0x8000
+	bne _020C4F18
+	ldr r0, _020C4F44 ; =0x040002A0
+	ldr r0, [r0, #0x0]
+	add sp, sp, #0x4
+	ldmia sp!, {lr}
+	bx lr
+	.balign 4
+_020C4F38: .word 0x04000280
+_020C4F3C: .word 0x04000290
+_020C4F40: .word 0x04000298
+_020C4F44: .word 0x040002A0
+
+	arm_func_start FX_DivAsync
+FX_DivAsync: ; 0x020C4F48
+	ldr r2, _020C4F74 ; =0x04000280
+	mov r12, #0x1
+	ldr r3, _020C4F78 ; =0x04000290
+	strh r12, [r2, #0x0]
+	mov r12, #0x0
+	str r12, [r3, #0x0]
+	ldr r2, _020C4F7C ; =0x04000298
+	str r0, [r3, #0x4]
+	str r1, [r2, #0x0]
+	str r12, [r2, #0x4]
+	bx lr
+	.balign 4
+_020C4F74: .word 0x04000280
+_020C4F78: .word 0x04000290
+_020C4F7C: .word 0x04000298
+
+	arm_func_start FX_GetSqrtResult
+FX_GetSqrtResult: ; 0x020C4F80
+	ldr r1, _020C4FA4 ; =0x040002B0
+_020C4F84:
+	ldrh r0, [r1, #0x0]
+	ands r0, r0, #0x8000
+	bne _020C4F84
+	ldr r0, _020C4FA8 ; =0x040002B4
+	ldr r0, [r0, #0x0]
+	add r0, r0, #0x200
+	mov r0, r0, lsr #0xa
+	bx lr
+	.balign 4
+_020C4FA4: .word 0x040002B0
+_020C4FA8: .word 0x040002B4
+
+	arm_func_start FX_InvAsync
+FX_InvAsync:
+	ldr r1, _020C4FDC ; =0x04000280
+	mov r3, #0x1
+	ldr r2, _020C4FE0 ; =0x04000290
+	strh r3, [r1, #0x0]
+	mov r12, #0x0
+	str r12, [r2, #0x0]
+	mov r3, #0x1000
+	ldr r1, _020C4FE4 ; =0x04000298
+	str r3, [r2, #0x4]
+	str r0, [r1, #0x0]
+	str r12, [r1, #0x4]
+	bx lr
+	.balign 4
+_020C4FDC: .word 0x04000280
+_020C4FE0: .word 0x04000290
+_020C4FE4: .word 0x04000298
+
+	arm_func_start FX_GetDivResult
+FX_GetDivResult: ; 0x020C4FE8
+	ldr r1, _020C501C ; =0x04000280
+_020C4FEC:
+	ldrh r0, [r1, #0x0]
+	ands r0, r0, #0x8000
+	bne _020C4FEC
+	ldr r1, _020C5020 ; =0x040002A0
+	mov r0, #0x80000
+	ldr r2, [r1, #0x0]
+	ldr r1, [r1, #0x4]
+	adds r0, r2, r0
+	adc r1, r1, #0x0
+	mov r0, r0, lsr #0x14
+	orr r0, r0, r1, lsl #0xc
+	bx lr
+	.balign 4
+_020C501C: .word 0x04000280
+_020C5020: .word 0x040002A0
+
+	arm_func_start FX_GetDivResultFx64c
+FX_GetDivResultFx64c: ; 0x020C5024
+	ldr r1, _020C5044 ; =0x04000280
+_020C5028:
+	ldrh r0, [r1, #0x0]
+	ands r0, r0, #0x8000
+	bne _020C5028
+	ldr r1, _020C5048 ; =0x040002A0
+	ldr r0, [r1, #0x0]
+	ldr r1, [r1, #0x4]
+	bx lr
+	.balign 4
+_020C5044: .word 0x04000280
+_020C5048: .word 0x040002A0
+
+	arm_func_start FX_Sqrt
+FX_Sqrt: ; 0x020C504C
+	stmdb sp!, {lr}
+	sub sp, sp, #0x4
+	cmp r0, #0x0
+	addle sp, sp, #0x4
+	movle r0, #0x0
+	ldmleia sp!, {lr}
+	bxle lr
+	ldr r2, _020C5094 ; =0x040002B0
+	mov r3, #0x1
+	strh r3, [r2, #0x0]
+	ldr r1, _020C5098 ; =0x040002B8
+	mov r2, #0x0
+	str r2, [r1, #0x0]
+	str r0, [r1, #0x4]
+	bl FX_GetSqrtResult
+	add sp, sp, #0x4
+	ldmia sp!, {lr}
+	bx lr
+	.balign 4
+_020C5094: .word 0x040002B0
+_020C5098: .word 0x040002B8
+
+	arm_func_start FX_Inv
+FX_Inv: ; 0x020C509C
+	stmdb sp!, {lr}
+	sub sp, sp, #0x4
+	bl FX_InvAsync
+	bl FX_GetDivResult
+	add sp, sp, #0x4
+	ldmia sp!, {lr}
+	bx lr
+
+	arm_func_start FX_Div
+FX_Div: ; 0x020C50B8
+	stmdb sp!, {lr}
+	sub sp, sp, #0x4
+	bl FX_DivAsync
+	bl FX_GetDivResult
+	add sp, sp, #0x4
+	ldmia sp!, {lr}
+	bx lr