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Decompile bbufUpdateIndex2Buffer

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This commit is contained in:
Ryan Dwyer
2021-01-27 12:21:38 +10:00
parent 8937776679
commit 34a077c41f
9 changed files with 84 additions and 101 deletions
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src/boot/sched.c
+52 -70
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@@ -186,7 +186,7 @@ void __scMain(void *arg)
OSSched *sc = (OSSched *)arg;
int done = 0;
func00002400();
bbufResetBuffers();
while (!done) {
osRecvMesg(&sc->interruptQ, (OSMesg *)&msg, OS_MESG_BLOCK);
@@ -349,106 +349,88 @@ u32 *func000023f4(void)
return &var8008de38;
}
void func00002400(void)
void bbufResetBuffers(void)
{
s32 i;
s32 j;
for (i = 0; i < 3; i++) {
for (j = 0; j < 120; j++) {
var8008de48[i].unk00[j].unk00 = 0;
g_BootBuffers[i].unk00[j].unk00 = 0;
}
var8008fa68[i] = 0;
g_BootBufferDirtyIndexes[i] = 0;
}
}
struct bootbufferthing *func0000244c(void)
struct bootbufferthing *bbufGetIndex0Buffer(void)
{
return &var8008de48[var8008fa6c];
return &g_BootBuffers[g_BootBufferIndex0];
}
struct bootbufferthing *func00002480(void)
struct bootbufferthing *bbufGetIndex1Buffer(void)
{
return &var8008de48[var8008fa70];
return &g_BootBuffers[g_BootBufferIndex1];
}
struct bootbufferthing *func000024b4(void)
struct bootbufferthing *bbufGetIndex2Buffer(void)
{
return &var8008de48[var8008fa74];
return &g_BootBuffers[g_BootBufferIndex2];
}
void func000024e8(void)
void bbufIncIndex0(void)
{
var8008fa6c = (var8008fa6c + 1) % 3;
g_BootBufferIndex0 = (g_BootBufferIndex0 + 1) % 3;
}
void func00002510(void)
void bbufIncIndex1(void)
{
var8008fa70 = (var8008fa70 + 1) % 3;
g_BootBufferIndex1 = (g_BootBufferIndex1 + 1) % 3;
}
void func00002538(void)
void bbufIncIndex2(void)
{
var8008fa74 = (var8008fa74 + 1) % 3;
g_BootBufferIndex2 = (g_BootBufferIndex2 + 1) % 3;
}
void func00002560(void)
void bbufResetIndexes(void)
{
var8008fa6c = 0;
var8008fa70 = 1;
var8008fa74 = 0;
g_BootBufferIndex0 = 0;
g_BootBufferIndex1 = 1;
g_BootBufferIndex2 = 0;
}
GLOBAL_ASM(
glabel func00002580
/* 2580: 27bdffe8 */ addiu $sp,$sp,-24
/* 2584: afbf0014 */ sw $ra,0x14($sp)
/* 2588: 0c00092d */ jal func000024b4
/* 258c: 00000000 */ nop
/* 2590: 3c0b8009 */ lui $t3,%hi(var8008fa74)
/* 2594: 3c0a8009 */ lui $t2,%hi(var8008fa68)
/* 2598: 254afa68 */ addiu $t2,$t2,%lo(var8008fa68)
/* 259c: 256bfa74 */ addiu $t3,$t3,%lo(var8008fa74)
/* 25a0: 00003825 */ or $a3,$zero,$zero
/* 25a4: 00401825 */ or $v1,$v0,$zero
/* 25a8: 24090960 */ addiu $t1,$zero,0x960
/* 25ac: 24080001 */ addiu $t0,$zero,0x1
.L000025b0:
/* 25b0: 946e0000 */ lhu $t6,0x0($v1)
/* 25b4: 24e70014 */ addiu $a3,$a3,0x14
/* 25b8: 11c00012 */ beqz $t6,.L00002604
/* 25bc: 00000000 */ nop
/* 25c0: 8d6f0000 */ lw $t7,0x0($t3)
/* 25c4: 8c640008 */ lw $a0,0x8($v1)
/* 25c8: 014fc021 */ addu $t8,$t2,$t7
/* 25cc: 93190000 */ lbu $t9,0x0($t8)
/* 25d0: 94850000 */ lhu $a1,0x0($a0)
/* 25d4: 5519000b */ bnel $t0,$t9,.L00002604
/* 25d8: a4650002 */ sh $a1,0x2($v1)
/* 25dc: 8c64000c */ lw $a0,0xc($v1)
/* 25e0: 94860000 */ lhu $a2,0x0($a0)
/* 25e4: 00a6082a */ slt $at,$a1,$a2
/* 25e8: 10200003 */ beqz $at,.L000025f8
/* 25ec: 00000000 */ nop
/* 25f0: 10000004 */ b .L00002604
/* 25f4: a4650002 */ sh $a1,0x2($v1)
.L000025f8:
/* 25f8: 10000002 */ b .L00002604
/* 25fc: a4660002 */ sh $a2,0x2($v1)
/* 2600: a4650002 */ sh $a1,0x2($v1)
.L00002604:
/* 2604: 14e9ffea */ bne $a3,$t1,.L000025b0
/* 2608: 24630014 */ addiu $v1,$v1,0x14
/* 260c: 8d6c0000 */ lw $t4,0x0($t3)
/* 2610: 014c6821 */ addu $t5,$t2,$t4
/* 2614: 0c00094e */ jal func00002538
/* 2618: a1a00000 */ sb $zero,0x0($t5)
/* 261c: 8fbf0014 */ lw $ra,0x14($sp)
/* 2620: 27bd0018 */ addiu $sp,$sp,0x18
/* 2624: 03e00008 */ jr $ra
/* 2628: 00000000 */ nop
);
void bbufUpdateIndex2Buffer(void)
{
struct bootbufferthing *thing = bbufGetIndex2Buffer();
s32 i;
for (i = 0; i < 120; i++) {
struct bootbufferthingdeep *deep = &thing->unk00[i];
if (deep->unk00) {
u16 *unk08 = deep->unk08;
u16 value08 = unk08[0];
if (g_BootBufferDirtyIndexes[g_BootBufferIndex2] == 1) {
u16 *unk0c = deep->unk0c;
u16 value0c = unk0c[0];
if (value0c > value08) {
deep->unk02 = value08;
} else {
deep->unk02 = value0c;
}
} else {
deep->unk02 = value08;
}
}
}
g_BootBufferDirtyIndexes[g_BootBufferIndex2] = 0;
bbufIncIndex2();
}
void __scHandleRDP(OSSched *sc)
{
@@ -456,7 +438,7 @@ void __scHandleRDP(OSSched *sc)
s32 state;
if (sc->curRDPTask != NULL) {
func00002580();
bbufUpdateIndex2Buffer();
if (var8005dd18 == 0) {
func00002d90();