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gameboot matches #4

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3 changes: 1 addition & 2 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -121,7 +121,6 @@ CC_OLD = $(IDO_71_RECOMP_CC)
ASMPROC_DIR := tools/asmproc
ASMPROC = python3 $(ASMPROC_DIR)/build.py
ASMPROC_FILES := $(ASMPROC_DIR)/build.py $(ASMPROC_DIR)/asm_processor.py $(ASMPROC_DIR)/prelude.inc
ASMPROC_FLAGS := --input-enc utf-8 --output-enc euc-jp

MIPS_VERSION := -mips2

Expand Down Expand Up @@ -236,7 +235,7 @@ $(BUILD_DIR)/$(TARGET).elf: $(PNG_INC_FILES) $(O_FILES) $(BUILD_DIR)/$(LD_SCRIPT

$(BUILD_DIR)/%.c.o: %.c Makefile $(ASMPROC_FILES)
$(CC_CHECK) $(CHECK_FLAGS) $(CHECK_WARNINGS) -MMD -MP -MT $@ -MF $(@:.o=.d) $<
$(ASMPROC) $(ASMPROC_FLAGS) $(CC) -- $(AS) $(ASFLAGS) -- -c $(CFLAGS) $(OPTFLAGS) -o $@ $<

@Bl00D4NGEL Bl00D4NGEL Jun 28, 2026

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these caused problems when importing funcs into permuter, the compilation still seems to work just fine without them

$(ASMPROC) $(CC) -- $(AS) $(ASFLAGS) -- -c $(CFLAGS) $(OPTFLAGS) -o $@ $<

$(BUILD_DIR)/src/libultra/libc/ll.c.o: src/libultra/libc/ll.c
$(CC) -c $(CFLAGS) $(OPTFLAGS) -o $@ $<
Expand Down
300 changes: 286 additions & 14 deletions src/gameboot.c
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Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,34 @@ typedef struct {
s8 unk2F;
} Unk80087758; // size = 0x30

typedef struct {
s16 unk0;
s16 unk2;
s16 unk4;
s16 unk6;
u8 unk8;
u8 unk9;
u8 unkA;
u8 unkB;
u8 unkC;
u8 unkD;
u8 unkE;
u8 unkF;
u8 unk10;
u8 unk11;
u8 unk12;
u8 unk13;
u8 unk14;
u8 unk15;
u8 unk16;
u8 unk17;
u8 pad18[0x28 - 0x18];
} Unk80059164; // size = 0x28

// struct for D_80081E64 ? some sort of view buffer?
typedef struct {
u16 unk0[1/*unknown size*/][0x140];
} Unk8000BA44;

// .bss
u8 D_800789D0[0x7E0];
Expand Down Expand Up @@ -170,11 +198,12 @@ extern Unk80087758 D_80087758[2][30][66];
// extern u8 D_800B7F98[0x18];
// extern u8 D_800B7FB0[0x80];
// extern u8 D_800B8030[0x08];
// extern u8 D_800B8038[0x80];
// extern u8 D_800B80B8[0x200];
// extern u8 D_800B82B8[0x200];
// extern u8 D_800B84B8[0x208];
extern Mtx D_800B8038[2];
extern Mtx D_800B80B8[4][2];
extern Mtx D_800B82B8[4][2];
extern Vtx D_800B84B8[][16];

// .data
extern u32 D_800351E0; // = 0;
extern u32 D_800351E4; // = 0;
extern u32 D_800351E4_LOAD; // ?
Expand Down Expand Up @@ -274,15 +303,12 @@ extern s32 D_80052280[]; // array of gbi commands? size of 16
extern s32 D_800522C0[]; // array of gbi commands? size of 0x96?
extern s32 D_80052518[]; // array of gbi commands? size of 14
extern s32 D_80052550[]; // array of gbi commands? size of 0x74?
extern u32 D_80052720[4];
extern u32 D_80052730;
extern s32 pad_D_80052734;
extern s32 pad_D_80052738;
extern u32 D_80052720[7];
extern s32 D_8005273C[9];
extern s32 D_80052760[17];
extern s32 D_800527A4[]; // maybe a struct? passed into func_8000B768 as 5th arg (sp10)
extern s32 D_80058744[]; // maybe a struct? passed into func_8000BA44 as 5th arg (sp10)
extern s16 D_80059164[]; // size of 0x2A?
extern Unk80059164 D_80059164[2];
extern s32 D_800591B8[4];
extern s32 D_800591C8[4];
extern s32 D_800591D8[8]; // array of gbi commands?
Expand Down Expand Up @@ -666,7 +692,7 @@ u32 func_80001F20(u32 startLba, u32 endLba, u32 *lbaCount) {
s32 startByte;
s32 endByte;

if ((D_800351E0 != 0) && (D_80052730 == 1)) {
if ((D_800351E0 != 0) && (D_80052720[4] == 1)) {
while (TRUE) {}
}

Expand Down Expand Up @@ -1251,16 +1277,262 @@ void func_80004594(char *text, s32 x, s32 y, u8 red, u8 green, u8 blue) {

#pragma GLOBAL_ASM("asm/nonmatchings/gameboot/func_8000B508.s")

#pragma GLOBAL_ASM("asm/nonmatchings/gameboot/func_8000B768.s")
void func_8000B768(Unk8000BA44 *arg0, s32 arg1, s32 arg2, s32 arg3, u16 *arg4, s32 arg5, s32 arg6, s32 arg7) {
f32 temp_f0;
s32 j;
s32 i;
f32 var_f2;
f32 var_f12;
f32 var_f14;
u16* var_v0;
u16* var_v1;

D_80052720[6] = arg0;
var_v0 = &arg0->unk0[arg2][arg1];
var_v1 = arg4;
var_v1 += arg3 * arg5 * arg6;
for (i = 0; i != arg6; i++) {
for (j = 0; j != arg5; j++) {
if (D_80052720[4] != 0) {
temp_f0 = arg7 / 255.0f;

var_f2 = (*var_v0 >> 11) & 0x1F;
var_f12 = (*var_v0 >> 6) & 0x1F;
var_f14 = (*var_v0 >> 1) & 0x1F;

var_f2 *= temp_f0;
var_f12 *= temp_f0;
var_f14 *= temp_f0;

*var_v0 = (((u32) var_f2 & 0xFFFF) << 0xB) | (((u32) var_f12 & 0xFFFF) << 6) | (((u32) var_f14 & 0xFFFF) << 1) | 1;
var_v0++;
} else {
if (*var_v1 & 1) {
*var_v0 = *var_v1;
var_v0++;
var_v1++;
} else {
*var_v0 = 0;
var_v0++;
var_v1++;
}
}
}
var_v0 = (var_v0 - arg5) + 0x140;
}
}

#pragma GLOBAL_ASM("asm/nonmatchings/gameboot/func_8000BA44.s")
void func_8000BA44(Unk8000BA44 *arg0, s32 arg1, s32 arg2, u32 arg3, u16* arg4, s32 arg5, s32 arg6, s32 arg7) {
f32 var_f14;
f32 var_f20;
f32 var_f0;
f32 var_f12;
f32 var_f2;
f64 var_f22;
f32 var_f6;
f32 var_f8;
s32 j;
s32 i;
u16* var_v0;

var_v0 = &arg0->unk0[arg2][arg1];
for (i = 0; i != arg6; i++) {
for (j = 0; j != arg5; j++) {
var_f0 = (*var_v0 >> 11) & 0x1F;
var_f2 = (*var_v0 >> 6) & 0x1F;
var_f12 = (*var_v0 >> 1) & 0x1F;
var_f14 = (*arg4 >> 11) & 0x1F;
var_f6 = (*arg4 >> 6) & 0x1F;
var_f8 = (*arg4 >> 1) & 0x1F;
var_f20 = arg7 / 255.0f;
var_f22 = 1.0 - var_f20;
var_f0 = (var_f14 * var_f20) + (var_f22 * var_f0);
var_f2 = (var_f6 * var_f20) + (var_f22 * var_f2);
var_f12 = (var_f8 * var_f20) + (var_f22 * var_f12);
if (D_80052720[4] != 0) {
var_f0 *= var_f20;
var_f2 *= var_f20;
var_f12 *= var_f20;
}
*var_v0 = (((u32) var_f0 & 0xFFFF) << 11) | (((u32) var_f2 & 0xFFFF) << 6) | (((u32) var_f12 & 0xFFFF) << 1) | 1;
arg4++;
var_v0++;
}
var_v0 = (var_v0 - arg5) + 0x140;
}
}

// https://decomp.me/scratch/PJzKk
#pragma GLOBAL_ASM("asm/nonmatchings/gameboot/func_8000BD70.s")

#pragma GLOBAL_ASM("asm/nonmatchings/gameboot/func_8000BDB4.s")
void func_8000BDB4(void* dest, s32 size) {
osInvalDCache(dest, size);
}

#pragma GLOBAL_ASM("asm/nonmatchings/gameboot/func_8000BDD4.s")
void func_8000BDD4(s16* arg0, s16* arg1, s32 arg2, s32 arg3) {
s32 temp = arg3;
s32 temp2;
s16 *v0 = arg0;
s16 *v1 = arg1;

while (temp--) {
temp2 = arg2;
while (temp2--) {
*(v0++) = 0;
*(v1++) = 0;
}
}
}

#ifndef NON_EQUIVALENT
#pragma GLOBAL_ASM("asm/nonmatchings/gameboot/func_8000BE24.s")
#else
// https://decomp.me/scratch/NwG4Z
extern u32 D_317F0[];
extern u32 D_769A0[];
void func_8000BE24(void) {
Vtx* temp_a0;
Vtx* temp_a2;
Vtx* temp_a1;
f32 temp_f0;
f32 var_f2;
Unk80059164* var_s0;
s32 var_s4;
s32 var_v1;

gDPSetColorImage(D_8008305C++, G_IM_FMT_RGBA, G_IM_SIZ_16b, D_800351D4, osVirtualToPhysical(D_80083064));
gSPDisplayList(D_8008305C++, (u32)D_800591F8);
gDPSetScissor(D_8008305C++, 0, 0, 0, D_800351D4, D_800351D0);
if (D_800351D4 == SCREEN_WIDTH) {
gSPViewport(D_8008305C++, (u32) D_800591B8);
} else {
gSPViewport(D_8008305C++, (u32) D_800591C8);
}

gSPDisplayList(D_8008305C++, (u32) D_800591D8);

for (var_s4 = 0; D_80059164[var_s4].unk0 != 0; var_s4++) {
var_s0 = &D_80059164[var_s4];
if (var_s0->unk0 != 0) {
temp_a2 = D_800B84B8[D_80083060];
temp_a0 = &temp_a2[var_s4 * 4];
temp_a1 = &temp_a2[var_s4 * 4];
temp_a0[0].v.ob[0] = var_s0->unk4 / -2;
temp_a0[0].v.ob[1] = var_s0->unk6 / 2;
temp_a0[1].v.ob[0] = var_s0->unk4 / 2;
temp_a0[1].v.ob[1] = var_s0->unk6 / 2;
temp_a0[2].v.ob[0] = var_s0->unk4 / 2;
temp_a0[2].v.ob[1] = var_s0->unk6 / -2;
temp_a0[3].v.ob[0] = var_s0->unk4 / -2;
temp_a0[3].v.ob[1] = var_s0->unk6 / -2;
temp_a0[0].v.cn[0] = var_s0->unk8;
temp_a0[0].v.cn[1] = var_s0->unk9;
temp_a0[0].v.cn[2] = var_s0->unkA;
temp_a0[0].v.cn[3] = var_s0->unkB;

temp_a0[1].v.cn[0] = var_s0->unkC;
temp_a0[1].v.cn[1] = var_s0->unkD;
temp_a0[1].v.cn[2] = var_s0->unkE;
temp_a0[1].v.cn[3] = var_s0->unkF;

temp_a0[2].v.cn[0] = var_s0->unk14;
temp_a0[2].v.cn[1] = var_s0->unk15;
temp_a0[2].v.cn[2] = var_s0->unk16;
temp_a0[2].v.cn[3] = var_s0->unk17;

temp_a0[3].v.cn[0] = var_s0->unk10;
temp_a0[3].v.cn[1] = var_s0->unk11;
temp_a0[3].v.cn[2] = var_s0->unk12;
temp_a0[3].v.cn[3] = var_s0->unk13;

for (var_v1 = 0; var_v1 < 4; var_v1++) {
temp_a1[var_v1].v.ob[2] = -5;
temp_a1[var_v1].v.tc[1] = temp_a1[var_v1].v.tc[0] = 0;
temp_a1[var_v1].v.flag = 0;
}

temp_f0 = D_800351D4;
var_f2 = D_800351D0;
guFrustum(&D_800B8038[D_80083060], -temp_f0 * 0.5f, temp_f0 * 0.5f, -var_f2 * 0.5f, var_f2 * 0.5f, 1.0f, 10.0f, 1.0f);
guRotate(&D_800B82B8[var_s4][D_80083060], D_80059278, 0.0f, 0.0f, 1.0f);
guTranslate(&D_800B80B8[var_s4][D_80083060], var_s0->unk0 - (D_800351D4 / 2), -(var_s0->unk2 - (D_800351D0 / 2)), 0.0f);
gSPMatrix(D_8008305C++, OS_PHYSICAL_TO_K0(&D_800B8038[D_80083060]), 6);
gSPMatrix(D_8008305C++, OS_PHYSICAL_TO_K0(&D_800B80B8[var_s4][D_80083060]), 2);
gSPMatrix(D_8008305C++, OS_PHYSICAL_TO_K0(&D_800B82B8[var_s4][D_80083060]), 0);
gSPDisplayList(D_8008305C++, (u32) D_80052280);
gSPVertex(D_8008305C++, (u32) &D_800B84B8[D_80083060][var_s4 * 4], 4, 0)
gSPDisplayList(D_8008305C++, (u32) D_800522C0);
}
}
gSPLoadUcodeEx(D_8008305C++, (u32) D_317F0, (u32) D_769A0, 0x800);
gDPPipeSync(D_8008305C++);
}
#endif

#ifndef NON_EQUIVALENT
#pragma GLOBAL_ASM("asm/nonmatchings/gameboot/func_8000C56C.s")
#else
// https://decomp.me/scratch/s0P8p

void func_8000572C(void); /* extern */
void func_8000BE24(void); /* extern */
extern s32 D_80037F58;

typedef struct {
s32 unk0[2];
} Unk;

void func_8000C56C(void) {
s32 temp_t5;
s32 var_a1;
s32 var_a2;
s32 var_s0;
s32* var_a0;
s32* var_a3;
s32* temp_v0;
s32* var_v1;

var_s0 = 0;
if (D_80037F58 == 1) {
func_8000572C();
}
func_800050B0();
temp_v0 = osViGetCurrentFramebuffer();
if (temp_v0 == (s32*)D_80081E64) {
var_a0 = D_80081E68;
} else {
var_a0 = D_80081E64;
}
if (D_800351D4 == SCREEN_WIDTH) {
D_80059164[0].unk0 = 0xA0;
D_80059164[0].unk2 = 0x78;
D_80059164[0].unk4 = 0x140;
D_80059164[0].unk6 = 0xF0;
var_a2 = 0x25800;
} else {
D_80059164[0].unk0 = 0x140;
D_80059164[0].unk2 = 0xF0;
D_80059164[0].unk4 = 0x280;
D_80059164[0].unk6 = 0x1E0;
var_a2 = 0x96000;
}
var_v1 = temp_v0;
for (var_a1 = 0; var_a1 < var_a2; var_a1++) {
var_a0[var_a1] = var_v1[var_a1];
}
while (1) {
func_80005108();
D_80059164[0].unkB = var_s0;
D_80059164[0].unkF = var_s0;
D_80059164[0].unk13 = var_s0;
D_80059164[0].unk17 = var_s0;
func_8000BE24();
func_80005384();
var_s0 += 8;
if (var_s0 < 0x100) {
continue;
}
var_s0 = 0xFF;
}
}
#endif