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sub_8146C30

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This commit is contained in:
PikalaxALT
2018-10-08 12:10:33 -04:00
parent f285a81e85
commit 7040e8e956
5 changed files with 101 additions and 48 deletions
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src/menews_jisan.c
+74
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@@ -0,0 +1,74 @@
#include "global.h"
#include "mevent.h"
#include "random.h"
#ifdef NONMATCHING
void sub_8146C30(u32 a0)
{
struct MysteryEventStruct *r5 = sub_8143D94();
r5->unk_0_0 = a0;
asm_comment("The switch logic does not match. Specifically, the \"bhi\" is replaced with a \"bls\" and the comparisons with 1 and 3 are swapped chronologically.");
switch (a0)
{
case 0:
r5->unk_1 = (Random() % 15) + 16;
break;
case 1:
break;
case 2:
break;
case 3:
r5->unk_1 = (Random() % 15) + 1;
break;
}
}
#else
NAKED
void sub_8146C30(u32 a0)
{
asm_unified("\tpush {r4,r5,lr}\n"
"\tadds r4, r0, 0\n"
"\tbl sub_8143D94\n"
"\tadds r5, r0, 0\n"
"\tmovs r0, 0x3\n"
"\tadds r1, r4, 0\n"
"\tands r1, r0\n"
"\tldrb r2, [r5]\n"
"\tmovs r0, 0x4\n"
"\tnegs r0, r0\n"
"\tands r0, r2\n"
"\torrs r0, r1\n"
"\tstrb r0, [r5]\n"
"\tcmp r4, 0x2\n"
"\tbhi _08146C56\n"
"\tcmp r4, 0x1\n"
"\tbcs _08146C5C\n"
"\tb _08146C80\n"
"_08146C56:\n"
"\tcmp r4, 0x3\n"
"\tbeq _08146C6E\n"
"\tb _08146C80\n"
"_08146C5C:\n"
"\tbl Random\n"
"\tlsls r0, 16\n"
"\tlsrs r0, 16\n"
"\tmovs r1, 0xF\n"
"\tbl __umodsi3\n"
"\tadds r0, 0x10\n"
"\tb _08146C7E\n"
"_08146C6E:\n"
"\tbl Random\n"
"\tlsls r0, 16\n"
"\tlsrs r0, 16\n"
"\tmovs r1, 0xF\n"
"\tbl __umodsi3\n"
"\tadds r0, 0x1\n"
"_08146C7E:\n"
"\tstrb r0, [r5, 0x1]\n"
"_08146C80:\n"
"\tpop {r4,r5}\n"
"\tpop {r0}\n"
"\tbx r0");
}
#endif