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Merge pull request #26 from ProjectRevoTPP/decompile_dma

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decompile dma
This commit is contained in:
Revo
2022-10-07 18:08:53 -04:00
committed by GitHub
parent 04d986f6c8 7b688d830e
commit 12e7e24211
3 changed files with 207 additions and 1 deletions
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26
include/dma.h Normal file
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@@ -0,0 +1,26 @@
#ifndef _DMA_H_
#define _DMA_H_
struct UnkStruct80000E80 {
char unk0;
char filler4[0x18];
s32 unk1C;
void *unk20;
s32 unk24;
s32 unk28;
};
s32 func_80000E80(s32 arg0, void *arg1, s32 arg2, s32 arg3, s32 arg4, s32 arg5);
s32 func_80000F0C(s32 arg0, void *arg1, s32 arg2, s32 arg3, s32 arg4);
s32 func_80000F80(s32 arg0, void *arg1, s32 arg2, s32 arg3, s32 arg4, s32 arg5);
s32 func_8000100C(s32 arg0, void *arg1, s16 arg2, s32 arg3, s32 arg4);
s32 func_80001098(s32 arg0, void *arg1, s32 arg2, s32 arg3, s32 arg4, s32 arg5);
s32 func_80001124(s32 arg0, s32 arg1);
s32 func_80001184(s32 arg0, s32 arg1, s32 arg2);
s32 func_800011E4(s32 arg0, s32 arg1);
s32 func_8000123C(s32 arg0, s32 arg1);
s32 func_80001298(void *arg0, s32 arg1, s32 arg2);
s16 func_800012F8(void);
s32 func_80001304(void *arg0, s32 arg1, s32 arg2);
#endif // _DMA_H_

3
splat.yaml
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@@ -31,7 +31,8 @@ segments:
- [0x1060, c, main] # rsp graphics
- [0x11B0, bin, noppad_11B0] # There's an extra nop align here, but cant reproduce it with just splat functionality alone. need a . += 0x10 in the linker script at this spot.
- [0x11C0, c, rsp] # rsp audio
- [0x1A80, asm] # DMA transfer
- [0x1A80, c, dma] # DMA transfer
- [0x1F70, bin, noppad_1F70] # Extra nop align like earlier. Weird
- [0x1F80, asm] # dp intro code
- [0x28E0, asm] # dp code
- [0x2EC0, asm] # intro loader

179
src/dma.c Normal file
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@@ -0,0 +1,179 @@
#include <ultra64.h>
#include "common.h"
#include "dma.h"
extern u32 D_800818E0;
extern s16 D_80083C1C;
s32 func_80000E80(s32 arg0, void *arg1, s32 arg2, s32 arg3, s32 arg4, s32 arg5) {
struct UnkStruct80000E80* temp_v0;
temp_v0 = func_80002FDC(0x2C);
if (temp_v0 != NULL) {
if (arg0 == 0) {
temp_v0->unk0 = 0xF0;
} else {
temp_v0->unk0 = 0xF1;
}
temp_v0->unk1C = arg2;
temp_v0->unk24 = arg3;
temp_v0->unk20 = arg1;
temp_v0->unk28 = arg4;
func_80000E2C(temp_v0, arg5);
}
return temp_v0 == NULL;
}
s32 func_80000F0C(s32 arg0, void *arg1, s32 arg2, s32 arg3, s32 arg4) {
struct UnkStruct80000E80* temp_v0;
temp_v0 = func_80002FDC(0x2C);
if (temp_v0 != NULL) {
temp_v0->unk0 = 0xF4;
temp_v0->unk1C = arg1;
temp_v0->unk24 = arg2;
temp_v0->unk20 = arg0;
temp_v0->unk28 = arg3;
func_80000E2C(temp_v0, arg4);
}
return temp_v0 == NULL;
}
s32 func_80000F80(s32 arg0, void *arg1, s32 arg2, s32 arg3, s32 arg4, s32 arg5) {
struct UnkStruct80000E80* temp_v0;
temp_v0 = func_80002FDC(0x2C);
if (temp_v0 != NULL) {
if (arg0 == 0) {
temp_v0->unk0 = 0xF2;
} else {
temp_v0->unk0 = 0xF3;
}
temp_v0->unk1C = arg2;
temp_v0->unk24 = arg3;
temp_v0->unk20 = arg1;
temp_v0->unk28 = arg4;
func_80000E2C(temp_v0, arg5);
}
return temp_v0 == NULL;
}
s32 func_8000100C(s32 arg0, void *arg1, s16 arg2, s32 arg3, s32 arg4) {
struct UnkStruct80000E80* temp_v0;
temp_v0 = func_80002FDC(0x2C);
if (temp_v0 != NULL) {
if (arg0 == 0) {
temp_v0->unk0 = 0xF5;
} else {
temp_v0->unk0 = 0xF6;
}
temp_v0->unk1C = arg2;
temp_v0->unk24 = 1;
temp_v0->unk20 = arg1;
temp_v0->unk28 = arg3;
func_80000E2C(temp_v0, arg4);
}
return temp_v0 == NULL;
}
s32 func_80001098(s32 arg0, void *arg1, s32 arg2, s32 arg3, s32 arg4, s32 arg5) {
struct UnkStruct80000E80* temp_v0;
temp_v0 = func_80002FDC(0x2C);
if (temp_v0 != NULL) {
if (arg0 == 0) {
temp_v0->unk0 = 5;
} else {
temp_v0->unk0 = 6;
}
temp_v0->unk1C = arg2;
temp_v0->unk24 = arg3;
temp_v0->unk20 = arg1;
temp_v0->unk28 = arg4;
func_80000E2C(temp_v0, arg5);
}
return temp_v0 == NULL;
}
s32 func_80001124(s32 arg0, s32 arg1) {
struct UnkStruct80000E80* temp_v0;
temp_v0 = func_80002FDC(0x2C);
if (temp_v0 != NULL) {
temp_v0->unk0 = 0xC;
temp_v0->unk20 = &D_800818E0;
temp_v0->unk28 = arg0;
func_80000E2C(temp_v0, arg1);
}
return temp_v0 == NULL;
}
s32 func_80001184(s32 arg0, s32 arg1, s32 arg2) {
struct UnkStruct80000E80* temp_v0;
temp_v0 = func_80002FDC(0x2C);
if (temp_v0 != NULL) {
temp_v0->unk0 = 7;
temp_v0->unk1C = arg0;
temp_v0->unk28 = arg1;
func_80000E2C(temp_v0, arg2);
}
return temp_v0 == NULL;
}
s32 func_800011E4(s32 arg0, s32 arg1) {
struct UnkStruct80000E80 * temp_v0;
temp_v0 = func_80002FDC(0x2C);
if (temp_v0 != NULL) {
temp_v0->unk0 = 8;
temp_v0->unk1C = 0;
temp_v0->unk28 = arg0;
func_80000E2C(temp_v0, arg1);
}
return temp_v0 == NULL;
}
s32 func_8000123C(s32 arg0, s32 arg1) {
struct UnkStruct80000E80* temp_v0;
temp_v0 = func_80002FDC(0x2C);
if (temp_v0 != NULL) {
temp_v0->unk0 = 8;
temp_v0->unk1C = 4;
temp_v0->unk28 = arg0;
func_80000E2C(temp_v0, arg1);
}
return temp_v0 == NULL;
}
s32 func_80001298(void *arg0, s32 arg1, s32 arg2) {
struct UnkStruct80000E80* temp_v0;
temp_v0 = func_80002FDC(0x2C);
if (temp_v0 != NULL) {
temp_v0->unk0 = 0xE;
temp_v0->unk20 = arg0;
temp_v0->unk28 = arg1;
func_80000E2C(temp_v0, arg2);
}
return temp_v0 == NULL;
}
s16 func_800012F8(void) {
return D_80083C1C;
}
s32 func_80001304(void *arg0, s32 arg1, s32 arg2) {
struct UnkStruct80000E80* temp_v0;
temp_v0 = func_80002FDC(0x2C);
if (temp_v0 != NULL) {
temp_v0->unk0 = 0xD;
temp_v0->unk20 = arg0;
temp_v0->unk28 = arg1;
func_80000E2C(temp_v0, arg2);
}
return temp_v0 == NULL;
}