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-rw-r--r--asm/link_rfu.s232
-rw-r--r--include/librfu.h1
-rw-r--r--include/link_rfu.h2
-rw-r--r--src/link_rfu.c92
4 files changed, 94 insertions, 233 deletions
diff --git a/asm/link_rfu.s b/asm/link_rfu.s
index c5eaa2faa..dfc434f67 100644
--- a/asm/link_rfu.s
+++ b/asm/link_rfu.s
@@ -5,238 +5,6 @@
.text
- thumb_func_start sub_800C36C
-sub_800C36C: @ 800C36C
- push {r4-r7,lr}
- mov r7, r9
- mov r6, r8
- push {r6,r7}
- sub sp, 0x4
- lsls r0, 16
- lsrs r0, 16
- movs r1, 0
- mov r8, r1
- mov r5, sp
- adds r5, 0x1
- mov r4, sp
- adds r4, 0x2
- mov r1, sp
- adds r2, r5, 0
- adds r3, r4, 0
- bl rfu_REQBN_watchLink
- mov r0, sp
- ldrb r0, [r0]
- adds r7, r4, 0
- cmp r0, 0
- beq _0800C43E
- ldr r1, =gUnknown_03004140
- mov r0, sp
- ldrb r0, [r0]
- strh r0, [r1, 0x14]
- ldrb r0, [r5]
- strh r0, [r1, 0x16]
- ldrb r0, [r1, 0x9]
- adds r6, r1, 0
- cmp r0, 0
- beq _0800C426
- movs r0, 0x1
- strb r0, [r6, 0xA]
- ldrb r0, [r6, 0x6]
- cmp r0, 0
- bne _0800C3C2
- ldrb r0, [r5]
- cmp r0, 0
- bne _0800C3C2
- movs r0, 0x4
- strb r0, [r6, 0xA]
-_0800C3C2:
- ldrb r0, [r6, 0xA]
- cmp r0, 0x1
- bne _0800C40C
- movs r2, 0
- mov r4, sp
- movs r5, 0x1
- mov r12, r6
- mov r3, r12
- adds r3, 0x30
- movs r6, 0x34
- add r6, r12
- mov r9, r6
-_0800C3DA:
- ldrb r0, [r4]
- asrs r0, r2
- ands r0, r5
- cmp r0, 0
- beq _0800C3F8
- adds r0, r5, 0
- lsls r0, r2
- ldrb r1, [r3]
- orrs r0, r1
- strb r0, [r3]
- lsls r0, r2, 1
- add r0, r9
- mov r6, r12
- ldrh r1, [r6, 0x32]
- strh r1, [r0]
-_0800C3F8:
- adds r0, r2, 0x1
- lsls r0, 24
- lsrs r2, r0, 24
- cmp r2, 0x3
- bls _0800C3DA
- movs r0, 0x31
- b _0800C41E
- .pool
-_0800C40C:
- movs r0, 0
- strb r0, [r6, 0xA]
- mov r0, sp
- ldrb r0, [r0]
- bl sub_800D334
- movs r0, 0x1
- mov r8, r0
- movs r0, 0x33
-_0800C41E:
- movs r1, 0x1
- bl sub_800D30C
- b _0800C43A
-_0800C426:
- mov r0, sp
- ldrb r0, [r0]
- bl sub_800D334
- movs r1, 0x1
- mov r8, r1
- movs r0, 0x30
- movs r1, 0x2
- bl sub_800D30C
-_0800C43A:
- bl sub_800D610
-_0800C43E:
- ldr r0, =gUnknown_03007890
- ldr r0, [r0]
- ldrb r0, [r0]
- cmp r0, 0x1
- bne _0800C518
- ldrb r0, [r7]
- cmp r0, 0
- beq _0800C49C
- movs r2, 0
- ldr r6, =gUnknown_03004140
- movs r3, 0x1
- adds r4, r6, 0
- adds r4, 0x34
- adds r6, 0x30
- adds r5, r7, 0
-_0800C45C:
- ldrb r0, [r6]
- asrs r0, r2
- ands r0, r3
- cmp r0, 0
- beq _0800C478
- ldrb r0, [r5]
- asrs r0, r2
- ands r0, r3
- cmp r0, 0
- beq _0800C478
- lsls r0, r2, 1
- adds r0, r4
- movs r1, 0
- strh r1, [r0]
-_0800C478:
- adds r0, r2, 0x1
- lsls r0, 24
- lsrs r2, r0, 24
- cmp r2, 0x3
- bls _0800C45C
- ldr r3, =gUnknown_03004140
- adds r2, r3, 0
- adds r2, 0x30
- ldrb r1, [r7]
- ldrb r0, [r2]
- bics r0, r1
- strb r0, [r2]
- ldrb r0, [r7]
- strh r0, [r3, 0x14]
- movs r0, 0x32
- movs r1, 0x1
- bl sub_800D30C
-_0800C49C:
- ldr r0, =gUnknown_03004140
- adds r3, r0, 0
- adds r3, 0x30
- ldrb r1, [r3]
- adds r6, r0, 0
- cmp r1, 0
- beq _0800C514
- movs r4, 0
- movs r2, 0
- movs r5, 0x1
-_0800C4B0:
- ldrb r0, [r3]
- asrs r0, r2
- ands r0, r5
- cmp r0, 0
- beq _0800C4E2
- lsls r1, r2, 1
- adds r0, r6, 0
- adds r0, 0x34
- adds r1, r0
- ldrh r0, [r1]
- cmp r0, 0
- beq _0800C4E2
- subs r0, 0x1
- strh r0, [r1]
- lsls r0, 16
- cmp r0, 0
- bne _0800C4E2
- adds r0, r5, 0
- lsls r0, r2
- ldrb r1, [r3]
- bics r1, r0
- strb r1, [r3]
- orrs r4, r0
- lsls r0, r4, 24
- lsrs r4, r0, 24
-_0800C4E2:
- adds r0, r2, 0x1
- lsls r0, 24
- lsrs r2, r0, 24
- cmp r2, 0x3
- bls _0800C4B0
- cmp r4, 0
- beq _0800C506
- adds r0, r4, 0
- bl sub_800D334
- movs r6, 0x1
- mov r8, r6
- ldr r0, =gUnknown_03004140
- strh r4, [r0, 0x14]
- movs r0, 0x33
- movs r1, 0x1
- bl sub_800D30C
-_0800C506:
- ldr r0, =gUnknown_03004140
- adds r1, r0, 0
- adds r1, 0x30
- ldrb r1, [r1]
- adds r6, r0, 0
- cmp r1, 0
- bne _0800C518
-_0800C514:
- movs r0, 0
- strb r0, [r6, 0xA]
-_0800C518:
- mov r0, r8
- add sp, 0x4
- pop {r3,r4}
- mov r8, r3
- mov r9, r4
- pop {r4-r7}
- pop {r1}
- bx r1
- .pool
- thumb_func_end sub_800C36C
-
thumb_func_start rfu_syncVBlank_
rfu_syncVBlank_: @ 800C530
push {lr}
diff --git a/include/librfu.h b/include/librfu.h
index 292b14406..45b3e1cd3 100644
--- a/include/librfu.h
+++ b/include/librfu.h
@@ -157,3 +157,4 @@ void rfu_REQ_sendData(u8);
void rfu_setMSCCallback(void (*func)(u16));
void rfu_setREQCallback(void (*func)(u16, u16));
bool8 rfu_getMasterSlave(void);
+void rfu_REQBN_watchLink(u16 a0, u8 *a1, u8 *a2, u8 *a3);
diff --git a/include/link_rfu.h b/include/link_rfu.h
index 424a4767f..e9b6548a5 100644
--- a/include/link_rfu.h
+++ b/include/link_rfu.h
@@ -52,7 +52,7 @@ struct UnkRfuStruct_1 {
/* 0x012 */ u8 unk_12;
// aligned
/* 0x014 */ u16 unk_14;
- /* 0x016 */ u8 filler_16[2];
+ /* 0x016 */ u16 unk_16;
/* 0x018 */ u16 unk_18;
/* 0x01a */ u16 unk_1a;
/* 0x01c */ u8 filler_1c[2];
diff --git a/src/link_rfu.c b/src/link_rfu.c
index 9cc4b497a..f0439eac3 100644
--- a/src/link_rfu.c
+++ b/src/link_rfu.c
@@ -350,3 +350,95 @@ void sub_800C27C(bool8 a0)
}
}
}
+
+bool8 sub_800C36C(u16 a0)
+{
+ bool8 retVal;
+ u8 i;
+ u8 sp0;
+ u8 sp1;
+ u8 sp2;
+ u8 flags;
+
+ retVal = FALSE;
+ rfu_REQBN_watchLink(a0, &sp0, &sp1, &sp2);
+ if (sp0)
+ {
+ gUnknown_03004140.unk_14 = sp0;
+ gUnknown_03004140.unk_16 = sp1;
+ if (gUnknown_03004140.unk_09)
+ {
+ gUnknown_03004140.unk_0a = 1;
+ if (gUnknown_03004140.unk_06 == 0 && sp1 == 0)
+ {
+ gUnknown_03004140.unk_0a = 4;
+ }
+ if (gUnknown_03004140.unk_0a == 1)
+ {
+ for (i = 0; i < 4; i++)
+ {
+ if ((sp0 >> i) & 1)
+ {
+ gUnknown_03004140.unk_30 |= (1 << i);
+ gUnknown_03004140.unk_34[i] = gUnknown_03004140.unk_32;
+ }
+ }
+ sub_800D30C(0x31, 0x01);
+ }
+ else
+ {
+ gUnknown_03004140.unk_0a = 0;
+ sub_800D334(sp0);
+ retVal = TRUE;
+ sub_800D30C(0x33, 0x01);
+ }
+ }
+ else
+ {
+ sub_800D334(sp0);
+ retVal = TRUE;
+ sub_800D30C(0x30, 0x02);
+ }
+ sub_800D610();
+ }
+ if (gUnknown_03007890->unk_00 == 1)
+ {
+ if (sp2)
+ {
+ for (i = 0; i < 4; i++)
+ {
+ if ((gUnknown_03004140.unk_30 >> i) & 1 && (sp2 >> i) & 1)
+ {
+ gUnknown_03004140.unk_34[i] = 0;
+ }
+ }
+ gUnknown_03004140.unk_30 &= ~sp2;
+ gUnknown_03004140.unk_14 = sp2;
+ sub_800D30C(0x32, 0x01);
+ }
+ if (gUnknown_03004140.unk_30)
+ {
+ flags = 0;
+ for (i = 0; i < 4; i++)
+ {
+ if ((gUnknown_03004140.unk_30 >> i) & 1 && gUnknown_03004140.unk_34[i] && --gUnknown_03004140.unk_34[i] == 0)
+ {
+ gUnknown_03004140.unk_30 &= ~(1 << i);
+ flags |= (1 << i);
+ }
+ }
+ if (flags)
+ {
+ sub_800D334(flags);
+ retVal = TRUE;
+ gUnknown_03004140.unk_14 = flags;
+ sub_800D30C(0x33, 0x01);
+ }
+ }
+ if (!gUnknown_03004140.unk_30)
+ {
+ gUnknown_03004140.unk_0a = 0;
+ }
+ }
+ return retVal;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-26 17:28:23 +0000