diff options
Diffstat (limited to 'arm9/asm/RUNTIME_f_itof.s')
| -rw-r--r-- | arm9/asm/RUNTIME_f_itof.s | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arm9/asm/RUNTIME_f_itof.s b/arm9/asm/RUNTIME_f_itof.s new file mode 100644 index 00000000..b9a44c07 --- /dev/null +++ b/arm9/asm/RUNTIME_f_itof.s @@ -0,0 +1,51 @@ + .include "asm/macros.inc"
+ .include "global.inc"
+
+ .text
+
+ arm_func_start _fflt
+_fflt: ; 0x020EB534
+ ands r2, r0, #0x80000000
+ rsbmi r0, r0, #0x0
+ cmp r0, #0x0
+ .global __f_itof_common
+__f_itof_common:
+ bxeq lr
+ clz r3, r0
+ movs r0, r0, lsl r3
+ rsb r3, r3, #0x9e
+ ands r1, r0, #0xff
+ add r0, r0, r0
+ orr r0, r2, r0, lsr #0x9
+ orr r0, r0, r3, lsl #0x17
+ bxeq lr
+ tst r1, #0x80
+ bxeq lr
+ ands r3, r1, #0x7f
+ andeqs r3, r0, #0x1
+ addne r0, r0, #0x1
+ bx lr
+
+ arm_func_start _ffltu
+_ffltu: ; 0x020EB57C
+ cmp r0, #0x0
+ .global __f_utof_common
+__f_utof_common:
+ bxeq lr
+ mov r3, #0x9e
+ bmi _020EB598
+ clz r12, r0
+ movs r0, r0, lsl r12
+ sub r3, r3, r12
+_020EB598:
+ ands r2, r0, #0xff
+ add r0, r0, r0
+ mov r0, r0, lsr #0x9
+ orr r0, r0, r3, lsl #0x17
+ bxeq lr
+ tst r2, #0x80
+ bxeq lr
+ ands r1, r2, #0x7f
+ andeqs r1, r0, #0x1
+ addne r0, r0, #0x1
+ bx lr
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