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Merge pull request #131 from Henny022p/save_stuff

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Matched and documented save.c
This commit is contained in:
notyourav
2021-03-02 18:02:02 -08:00
committed by GitHub
parent c33bd1f9b1 0804d6dcff
commit 55f08918fc
17 changed files with 249 additions and 465 deletions
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asm/code_080A3480.s
+1 -1
View File
@@ -807,7 +807,7 @@ _080A3A9A:
_080A3AB4: .4byte gMenu
_080A3AB8:
movs r0, #0
bl sub_0807CDA4
bl HandleSave
adds r1, r0, #0
ldr r4, _080A3AD8 @ =gMenu
strb r1, [r4]
asm/code_080A5574.s
+1 -1
View File
@@ -631,7 +631,7 @@ _080A5A52:
sub_080A5A54: @ 0x080A5A54
push {lr}
movs r0, #0
bl sub_0807CDA4
bl HandleSave
adds r1, r0, #0
cmp r1, #0
beq _080A5A8A
asm/non_matching/save/sub_0807D008.inc
-81
View File
@@ -1,81 +0,0 @@
.syntax unified
.text
push {r4, r5, r6, r7, lr}
mov r7, r8
push {r7}
sub sp, #0xc
adds r7, r1, #0
bl sub_0807D1C4
adds r5, r0, #0
ldrh r0, [r5, #2]
add r4, sp, #4
adds r1, r4, #0
bl sub_0807D0EC
adds r6, r0, #0
mov r8, r4
cmp r6, #2
bne _0807D048
ldrh r0, [r5, #6]
ldrh r2, [r5]
adds r1, r7, #0
bl sub_0807D1D8
cmp r0, #0
beq _0807D046
ldrh r2, [r5]
mov r0, r8
adds r1, r7, #0
bl sub_0807D0A0
cmp r0, #0
bne _0807D072
_0807D046:
movs r6, #0
_0807D048:
ldrh r0, [r5, #4]
mov r1, r8
bl sub_0807D0EC
adds r4, r0, #0
cmp r4, #2
bne _0807D078
ldrh r0, [r5, #8]
ldrh r2, [r5]
adds r1, r7, #0
bl sub_0807D1D8
cmp r0, #0
beq _0807D076
ldrh r2, [r5]
mov r0, r8
adds r1, r7, #0
bl sub_0807D0A0
cmp r0, #0
beq _0807D076
_0807D072:
movs r0, #1
b _0807D098
_0807D076:
movs r4, #0
_0807D078:
movs r0, #0
str r0, [sp]
ldrh r2, [r5]
lsrs r2, r2, #2
movs r0, #0xa0
lsls r0, r0, #0x13
orrs r2, r0
mov r0, sp
adds r1, r7, #0
bl CpuSet
orrs r6, r4
movs r0, #0
cmp r6, #0
bne _0807D098
subs r0, #1
_0807D098:
add sp, #0xc
pop {r3}
mov r8, r3
pop {r4, r5, r6, r7, pc}
.syntax divided
asm/non_matching/save/sub_0807D0A0.inc
-45
View File
@@ -1,45 +0,0 @@
.syntax unified
.text
push {r4, r5, r6, r7, lr}
adds r7, r0, #0
adds r5, r1, #0
adds r6, r2, #0
adds r0, r7, #4
movs r1, #4
bl sub_0807D1A4
adds r4, r0, #0
lsls r4, r4, #0x10
lsrs r4, r4, #0x10
adds r0, r5, #0
adds r1, r6, #0
bl sub_0807D1A4
adds r4, r4, r0
lsls r4, r4, #0x10
lsrs r4, r4, #0x10
ldrh r0, [r7]
cmp r0, r4
bne _0807D0DE
lsls r0, r0, #0x10
ldrh r1, [r7, #2]
rsbs r0, r0, #0
lsrs r0, r0, #0x10
cmp r1, r0
bne _0807D0DE
ldr r1, [r7, #4]
ldr r0, _0807D0E4 @ =0x4D435A33
cmp r1, r0
beq _0807D0E8
_0807D0DE:
movs r0, #0
b _0807D0EA
.align 2, 0
_0807D0E4: .4byte 0x4D435A33
_0807D0E8:
movs r0, #1
_0807D0EA:
pop {r4, r5, r6, r7, pc}
.syntax divided
asm/non_matching/save/sub_0807D1D8.inc
-36
View File
@@ -1,36 +0,0 @@
.syntax unified
.text
push {r4, r5, r6, lr}
adds r5, r0, #0
adds r6, r1, #0
lsrs r4, r2, #3
adds r0, r4, #0
lsrs r5, r5, #3
b _0807D200
_0807D1E6:
lsls r0, r5, #0x10
lsrs r0, r0, #0x10
adds r1, r6, #0
bl EEPROMRead
lsls r0, r0, #0x10
cmp r0, #0
beq _0807D1FA
movs r0, #0
b _0807D208
_0807D1FA:
adds r5, #1
adds r6, #8
adds r0, r4, #0
_0807D200:
subs r4, #1
cmp r0, #0
bne _0807D1E6
movs r0, #1
_0807D208:
pop {r4, r5, r6, pc}
.align 2, 0
.syntax divided
asm/non_matching/save/sub_0807D20C.inc
-41
View File
@@ -1,41 +0,0 @@
.syntax unified
.text
push {r4, r5, r6, r7, lr}
adds r6, r0, #0
adds r7, r1, #0
lsrs r5, r2, #3
adds r0, r5, #0
lsrs r6, r6, #3
b _0807D242
_0807D21A:
lsls r0, r6, #0x10
lsrs r4, r0, #0x10
adds r0, r4, #0
adds r1, r7, #0
bl EEPROMWrite0_8k_Check
lsls r0, r0, #0x10
cmp r0, #0
beq _0807D23C
adds r0, r4, #0
ldr r1, _0807D238 @ =gUnk_0811E4B4
bl EEPROMWrite0_8k_Check
movs r0, #0
b _0807D24A
.align 2, 0
_0807D238: .4byte gUnk_0811E4B4
_0807D23C:
adds r6, #1
adds r7, #8
adds r0, r5, #0
_0807D242:
subs r5, #1
cmp r0, #0
bne _0807D21A
movs r0, #1
_0807D24A:
pop {r4, r5, r6, r7, pc}
.syntax divided
asm/non_matching/save/sub_0807D24C.inc
-36
View File
@@ -1,36 +0,0 @@
.syntax unified
.text
push {r4, r5, r6, lr}
adds r5, r0, #0
adds r6, r1, #0
lsrs r4, r2, #3
adds r0, r4, #0
lsrs r5, r5, #3
b _0807D274
_0807D25A:
lsls r0, r5, #0x10
lsrs r0, r0, #0x10
adds r1, r6, #0
bl EEPROMCompare
lsls r0, r0, #0x10
cmp r0, #0
beq _0807D26E
movs r0, #0
b _0807D27C
_0807D26E:
adds r5, #1
adds r6, #8
adds r0, r4, #0
_0807D274:
subs r4, #1
cmp r0, #0
bne _0807D25A
movs r0, #1
_0807D27C:
pop {r4, r5, r6, pc}
.align 2, 0
.syntax divided
asm/non_matching/sub_080560B8.inc
+2 -2
View File
@@ -12,7 +12,7 @@
bne _080560F8
movs r0, #0x80
lsls r0, r0, #0x12
bl sub_0807CF30
bl Read_02000000
adds r1, r0, #0
movs r0, #1
rsbs r0, r0, #0
@@ -33,7 +33,7 @@ _080560E4:
movs r2, #0x10
bl MemCopy
adds r0, r4, #0
bl sub_0807CF10
bl Write_02000000
_080560F8:
ldr r2, _0805612C @ =gUnk_02000010
ldr r1, [r2]
data/data_0811E454.s
-3
View File
@@ -4,9 +4,6 @@
.section .rodata
.align 2
gUnk_0811E4BC:: @ 0811E4BC
.incbin "baserom.gba", 0x11E4BC, 0x0000054
gUnk_0811E510:: @ 0811E510
.incbin "baserom.gba", 0x11E510, 0x0000004
include/functions.h
-9
View File
@@ -208,17 +208,8 @@ extern u32 sub_0801766C(Entity*);
extern void sub_08004168(Entity*);
extern u32 sub_08052638(u32);
extern void InitDMA(void);
extern u32 sub_0807CF08(u32, u8*);
extern void sub_0807CF48(u32);
extern u32 sub_0807CF10(u8*);
extern void sub_08056208(void);
extern void sub_08050384();
extern struct_0807D1C4* sub_0807D1C4(u32);
extern u32 sub_0807D24C(u32, const char*, u32);
extern void sub_0807CF68(u32);
extern u32 sub_0807D20C(u32, const char*, u32);
extern u32 sub_0807CF88(u32, u8*);
extern u32 sub_0807D184(u32, const char*);
extern u32 sub_0806F520();
extern void sub_0806F4E8(Entity*);
extern u32 sub_0806F3E4(Entity*);
include/main.h
-1
View File
@@ -80,7 +80,6 @@ extern UI gUnk_02032EC0;
void InitScreen();
extern void InitSound(void);
extern void sub_0807CE90(void);
extern void sub_080560B8(void);
extern void sub_08056208(void);
extern void sub_0804FFE4(void);
include/save.h
+7 -3
View File
@@ -21,7 +21,7 @@ typedef enum {
SAVE_DONE,
} SaveState;
extern SaveResult sub_0807CDA4(SaveState state);
extern SaveResult HandleSave(u32 arg0);
typedef struct {
/*0x000*/ u8 filler0[0x2];
@@ -46,7 +46,11 @@ typedef struct {
extern SaveFile gSave;
s32 sub_0807CF28(u32, SaveFile*);
u32 sub_0807CF30(SaveFile*);
u32 InitSaveData(void);
u32 Write_02000000(struct_02000000*);
s32 ReadSaveFile(u32, SaveFile*);
u32 Read_02000000(struct_02000000*);
void SetFileStatusDeleted(u32 index);
#endif
include/structures.h
-9
View File
@@ -26,15 +26,6 @@ typedef struct {
extern struct_02000040 gUnk_02000040;
typedef struct {
u16 field_0x0;
u16 field_0x2;
u16 field_0x4;
u16 field_0x6;
u16 field_0x8;
u16 field_0xa;
} struct_0807D1C4;
typedef struct {
s32 signature;
u8 field_0x4;
src/fileScreen.c
+7 -7
View File
@@ -231,10 +231,10 @@ static void HandleFileScreenExit(void) {
static void sub_08050624(u32 idx) {
SaveFile* saveFile = &gUnk_02019EE0.saves[idx];
int status = sub_0807CF28(idx, saveFile);
int status = ReadSaveFile(idx, saveFile);
switch (status) {
case SAVE_DELETED:
sub_0807CF48(idx);
SetFileStatusDeleted(idx);
// fallthrough
case SAVE_EMPTY:
sub_0805194C(idx);
@@ -697,7 +697,7 @@ void sub_08050DE4(void) {
}
void sub_08050E88(void) {
if (sub_0807CDA4(2))
if (HandleSave(2))
SetFileSelectState(0);
}
@@ -792,7 +792,7 @@ NONMATCH("asm/non_matching/fileScreen/sub_08050EF4.inc", void sub_08050EF4(void)
END_NONMATCH
void sub_08050FFC(void) {
switch (sub_0807CDA4(0)) {
switch (HandleSave(0)) {
case SAVE_ERROR:
gMenu.transitionTimer = 0x1e;
sub_0805194C(gUnk_02019EE0.unk6);
@@ -856,7 +856,7 @@ void sub_080513A8(void) {
}
void sub_080513C0(void) {
switch (sub_0807CDA4(0)) {
switch (HandleSave(0)) {
case 1:
gUnk_02019EE0.saveStatus[gUnk_02019EE0.unk6] = 1;
sub_080A7114(3);
@@ -1046,7 +1046,7 @@ void sub_080515D4(void) {
}
void sub_080516E0(void) {
if (sub_0807CDA4(1)) {
if (HandleSave(1)) {
sub_0805194C(gUnk_02019EE0.unk6);
sub_08050AFC(gUnk_02019EE0.unk6);
gMenu.transitionTimer = 2;
@@ -1142,7 +1142,7 @@ void sub_080517EC(void) {
void sub_08051874(void) {
s32 temp;
gUnk_02000000->saveFileId = gUnk_02019EE0.unk7;
temp = sub_0807CDA4(0);
temp = HandleSave(0);
gUnk_02019EE0.saveStatus[gUnk_02019EE0.unk7] = temp;
switch (temp) {
case 1:
src/game.c
+1 -1
View File
@@ -118,7 +118,7 @@ void sub_080521A0(void) {
gMenu.transitionTimer--;
break;
case 2:
temp3 = sub_0807CDA4(0);
temp3 = HandleSave(0);
gMenu.field_0x0 = temp3;
switch (temp3) {
case 1:
src/main.c
+3 -3
View File
@@ -26,7 +26,7 @@ void MainLoop(void) {
sub_08055F70();
InitSound();
InitDMA();
sub_0807CE90();
InitSaveData();
sub_080560B8();
sub_08056208();
gUnk_02000010.field_0x4 = 193;
@@ -165,7 +165,7 @@ NONMATCH("asm/non_matching/sub_080560B8.inc", void sub_080560B8(void)) {
u32 b;
if (!sub_08056134()) {
switch ((s32)sub_0807CF30((void*)0x2000000)) {
switch ((s32)Read_02000000((void*)0x2000000)) {
case 1:
if (sub_08056134())
break;
@@ -173,7 +173,7 @@ NONMATCH("asm/non_matching/sub_080560B8.inc", void sub_080560B8(void)) {
case -1:
default:
MemCopy(&sDefaultSettings, (void*)0x2000000, 16);
sub_0807CF10((u8*)0x2000000);
Write_02000000(gUnk_02000000);
break;
}
}
src/save.c
+227 -186
View File
@@ -1,40 +1,62 @@
#include "save.h"
#include "gba/eeprom.h"
typedef struct Thing {
u16 unk_1;
u16 unk_2;
u32 unk_3;
} Thing;
typedef struct SaveFileStatus {
u16 checksum1;
u16 checksum2;
u32 status;
} SaveFileStatus;
typedef struct {
u16 size;
u16 checksum1;
u16 checksum2;
u16 address1;
u16 address2;
} SaveFileEEPROMAddresses;
static SaveResult HandleSaveInit(u32);
static SaveResult HandleSaveInProgress(u32);
static SaveResult HandleSaveDone(u32);
const SaveFileEEPROMAddresses* GetSaveFileEEPROMAddresses(u32);
u32 DataDoubleReadWithStatus(u32, void* data);
u32 DataDoubleWriteWithStatus(u32, const void* data);
u32 VerifyChecksum(SaveFileStatus* fileStatus, u16* data, u32 size);
u16 CalculateChecksum(u16* data, u32);
u32 WriteSaveFile(u32 index, SaveFile* saveFile);
void SetFileStatusInit(u32 index);
u32 ReadSaveFileStatus(u32 address, SaveFileStatus* fileStatus);
u32 ParseSaveFileStatus(const SaveFileStatus* fileStatus);
u32 WriteSaveFileStatus(u32 address, const SaveFileStatus* fileStatus);
u32 DataRead(u32 address, void* data, u32 size);
u32 DataWrite(u32 address, const void* data, u32 size);
u32 DataCompare(u32 address, const void* data, u32 size);
const u16 gUnk_0811E454[] = { 0x0, 0x0, 0x100, 0x200, 0x300, 0x400, 0x500,
0x5C0, 0x680, 0x740, 0x800, 0x8C0, 0x9C0, 0xA80 };
const char gUnk_0811E470[6] = "LINK";
static SaveResult HandleSaveInit(u32);
static SaveResult HandleSaveInProgress(u32);
static SaveResult HandleSaveDone(u32);
static SaveResult (*const sSaveHandlers[])(u32) = { HandleSaveInit, HandleSaveInProgress, HandleSaveDone };
u32 sub_0807D008(u32, SaveFile*);
u32 sub_0807D0A0(u16*, u16*, u32);
u32 sub_0807D0EC(u32, const char*);
u32 sub_0807D128(const Thing*);
u16 sub_0807D1A4(u16*, u32);
u32 sub_0807D1D8(u32, const char*, u32);
static const char sSignatureLong[32] = "AGBZELDA:THE MINISH CAP:ZELDA 5";
// Save file is untouched
static const char sSaveDescInit[8] = "\xFF\xFF\xFF\xFF"
"INIT";
static const SaveFileStatus sSaveDescInit = { 0xffff, 0xffff, 'TINI' };
// Save file is deleted
static const char sSaveDescDeleted[8] = "\xFF\xFF\xFF\xFF"
"DelF";
static const SaveFileStatus sSaveDescDeleted = { 0xffff, 0xffff, 'FleD' };
const char gUnk_0811E4B4[8] = "DAMEDAME";
extern struct_0807D1C4 gUnk_0811E4BC[];
const SaveFileEEPROMAddresses gSaveFileEEPROMAddresses[] = { { 0x500, 0x30, 0x1030, 0x80, 0x1080 },
{ 0x500, 0x40, 0x1040, 0x580, 0x1580 },
{ 0x500, 0x50, 0x1050, 0xa80, 0x1a80 },
{ 0x10, 0x20, 0x1020, 0x70, 0x1070 },
{ 0x20, 0, 0, 0, 0x1000 },
{ 0x20, 0x60, 0x1060, 0xf80, 0x1f80 },
{ 0x8, 0xfa0, 0x1fa0, 0xfa0, 0x1fa0 } };
extern s16 gUnk_02021EE0[6];
@@ -42,7 +64,7 @@ void sub_0807CD9C() {
sub_080530C8();
}
SaveResult sub_0807CDA4(u32 arg0) {
SaveResult HandleSave(u32 arg0) {
return sSaveHandlers[gMenu.storyPanelIndex](arg0);
}
@@ -50,7 +72,7 @@ SaveResult HandleSaveInit(u32 arg0) {
gUnk_02021EE0[5] -= 8;
if (gUnk_02021EE0[4] <= 0) {
gMenu.field_0xa = 8;
gMenu.storyPanelIndex = 1;
gMenu.storyPanelIndex = SAVE_IN_PROGRESS;
}
return SAVE_BUSY;
}
@@ -62,18 +84,18 @@ SaveResult HandleSaveInProgress(u32 arg0) {
InitDMA();
switch (arg0) {
case 0:
temp = sub_0807CF08(gUnk_02000000->saveFileId, gSave.filler0);
temp = WriteSaveFile(gUnk_02000000->saveFileId, &gSave);
break;
case 1:
sub_0807CF48(gUnk_02000000->saveFileId);
SetFileStatusDeleted(gUnk_02000000->saveFileId);
temp = 1;
break;
case 2:
temp = sub_0807CF10((u8*)&gUnk_02000000->signature);
temp = Write_02000000(gUnk_02000000);
break;
}
gMenu.field_0xa = temp;
gMenu.storyPanelIndex = 2;
gMenu.storyPanelIndex = SAVE_DONE;
sub_08056208();
} else {
gMenu.field_0xa--;
@@ -89,7 +111,7 @@ SaveResult HandleSaveDone(u32 arg0) {
if (gUnk_02021EE0[3] <= gUnk_02021EE0[5]) {
gUnk_02021EE0[5] = gUnk_02021EE0[3];
sub_08050384();
gMenu.storyPanelIndex = 0;
gMenu.storyPanelIndex = SAVE_INIT;
if (gMenu.field_0xa == 1) {
result = SAVE_OK;
} else {
@@ -99,194 +121,187 @@ SaveResult HandleSaveDone(u32 arg0) {
return result;
}
u32 sub_0807CE90(void) {
struct_0807D1C4* puVar1;
int iVar2;
int iVar3;
u32 InitSaveData(void) {
const SaveFileEEPROMAddresses* eepromAddresses;
u32 error;
EEPROMConfigure(0x40);
puVar1 = sub_0807D1C4(4);
iVar3 = 0;
if (sub_0807D24C(puVar1->field_0x6, sSignatureLong, puVar1->field_0x0) == 0) {
iVar3 += 1;
eepromAddresses = GetSaveFileEEPROMAddresses(4);
error = 0;
if (DataCompare(eepromAddresses->address1, sSignatureLong, eepromAddresses->size) == 0) {
error += 1;
}
if (sub_0807D24C(puVar1->field_0x8, sSignatureLong, puVar1->field_0x0) == 0) {
iVar3 += 2;
if (DataCompare(eepromAddresses->address2, sSignatureLong, eepromAddresses->size) == 0) {
error += 2;
}
if (iVar3 != 0) {
if (iVar3 == 3) {
sub_0807CF68(5);
sub_0807CF68(3);
sub_0807CF68(2);
sub_0807CF68(1);
sub_0807CF68(0);
if (error != 0) {
if (error == 3) {
SetFileStatusInit(5);
SetFileStatusInit(3);
SetFileStatusInit(2);
SetFileStatusInit(1);
SetFileStatusInit(0);
}
sub_0807D20C(puVar1->field_0x8, sSignatureLong, puVar1->field_0x0);
sub_0807D20C(puVar1->field_0x6, sSignatureLong, puVar1->field_0x0);
DataWrite(eepromAddresses->address2, sSignatureLong, eepromAddresses->size);
DataWrite(eepromAddresses->address1, sSignatureLong, eepromAddresses->size);
}
return 1;
}
u32 sub_0807CF08(u32 arg0, u8* arg1) {
return sub_0807CF88(arg0, arg1);
u32 WriteSaveFile(u32 index, SaveFile* saveFile) {
return DataDoubleWriteWithStatus(index, saveFile);
}
u32 sub_0807CF10(u8* arg0) {
return sub_0807CF88(3, arg0);
u32 Write_02000000(struct_02000000* arg0) {
return DataDoubleWriteWithStatus(3, arg0);
}
u32 sub_0807CF1C(u8* arg0) {
return sub_0807CF88(5, arg0);
return DataDoubleWriteWithStatus(5, arg0);
}
s32 sub_0807CF28(u32 arg0, SaveFile* arg1) {
return sub_0807D008(arg0, arg1);
s32 ReadSaveFile(u32 index, SaveFile* saveFile) {
return DataDoubleReadWithStatus(index, saveFile);
}
u32 sub_0807CF30(SaveFile* arg0) {
return sub_0807D008(3, arg0);
u32 Read_02000000(struct_02000000* arg0) {
return DataDoubleReadWithStatus(3, arg0);
}
u32 sub_0807CF3C(SaveFile* arg0) {
return sub_0807D008(5, arg0);
u32 sub_0807CF3C(u8* arg0) {
return DataDoubleReadWithStatus(5, arg0);
}
void sub_0807CF48(u32 arg0) {
struct_0807D1C4* temp;
void SetFileStatusDeleted(u32 index) {
const SaveFileEEPROMAddresses* eepromAddresses;
temp = sub_0807D1C4(arg0);
sub_0807D184(temp->field_0x4, sSaveDescDeleted);
sub_0807D184(temp->field_0x2, sSaveDescDeleted);
eepromAddresses = GetSaveFileEEPROMAddresses(index);
WriteSaveFileStatus(eepromAddresses->checksum2, &sSaveDescDeleted);
WriteSaveFileStatus(eepromAddresses->checksum1, &sSaveDescDeleted);
}
void sub_0807CF68(u32 arg0) {
struct_0807D1C4* temp;
const char* str;
void SetFileStatusInit(u32 index) {
const SaveFileEEPROMAddresses* eepromAddresses;
const SaveFileStatus* fileStatus;
temp = sub_0807D1C4(arg0);
str = sSaveDescInit;
sub_0807D184(temp->field_0x4, str);
sub_0807D184(temp->field_0x2, str);
eepromAddresses = GetSaveFileEEPROMAddresses(index);
fileStatus = &sSaveDescInit;
WriteSaveFileStatus(eepromAddresses->checksum2, fileStatus);
WriteSaveFileStatus(eepromAddresses->checksum1, fileStatus);
}
u32 sub_0807CF88(u32 arg0, u8* arg1) {
Thing thing;
u32 DataDoubleWriteWithStatus(u32 arg0, const void* data) {
SaveFileStatus fileStatus;
u32 retval;
struct_0807D1C4* ptr;
u32 e0, e1;
u16 l1prep;
u32 ret;
const SaveFileEEPROMAddresses* eepromAddresses;
bool32 write1success, write2success;
u16 checksum;
ptr = sub_0807D1C4(arg0);
eepromAddresses = GetSaveFileEEPROMAddresses(arg0);
thing.unk_3 = 'MCZ3';
l1prep = sub_0807D1A4((u16*)&thing.unk_3, 4);
l1prep += sub_0807D1A4((u16*)arg1, ptr->field_0x0);
thing.unk_1 = l1prep;
thing.unk_2 = -(u32)l1prep;
e0 = sub_0807D20C(ptr->field_0x6, (const char*)arg1, ptr->field_0x0);
if (e0) {
e0 = sub_0807D184(ptr->field_0x2, (const char*)&thing.unk_1);
fileStatus.status = 'MCZ3';
checksum = CalculateChecksum((u16*)&fileStatus.status, 4);
checksum += CalculateChecksum((u16*)data, eepromAddresses->size);
fileStatus.checksum1 = checksum;
fileStatus.checksum2 = -(u32)checksum;
write1success = DataWrite(eepromAddresses->address1, data, eepromAddresses->size);
if (write1success) {
write1success = WriteSaveFileStatus(eepromAddresses->checksum1, &fileStatus);
}
e1 = sub_0807D20C(ptr->field_0x8, (const char*)arg1, ptr->field_0x0);
if (e1) {
e1 = sub_0807D184(ptr->field_0x4, (const char*)&thing.unk_1);
write2success = DataWrite(eepromAddresses->address2, data, eepromAddresses->size);
if (write2success) {
write2success = WriteSaveFileStatus(eepromAddresses->checksum2, &fileStatus);
}
retval = 0;
if (e0 || e1) {
retval = 1;
ret = 0;
if (write1success || write2success) {
ret = 1;
}
return retval;
return ret;
}
NONMATCH("asm/non_matching/save/sub_0807D008.inc", u32 sub_0807D008(u32 param_1, SaveFile* saveFile)) {
u32 set_0;
char auStack32[8];
u32 DataDoubleReadWithStatus(u32 param_1, void* data) {
vu32 set_0;
SaveFileStatus fileStatus;
struct_0807D1C4* unk_s;
u32 t1;
u32 t2;
const SaveFileEEPROMAddresses* eepromAddresses;
u32 read1status;
u32 read2status;
u32 ret;
u32 temp;
unk_s = sub_0807D1C4(param_1);
t1 = sub_0807D0EC(unk_s->field_0x2, auStack32);
if (t1 == 2) {
if ((sub_0807D1D8(unk_s->field_0x6, (char*)saveFile, unk_s->field_0x0) == 0) ||
(sub_0807D0A0((u16*)auStack32, (u16*)saveFile, (u32)unk_s->field_0x0) == 0)) {
t1 = 0;
eepromAddresses = GetSaveFileEEPROMAddresses(param_1);
read1status = ReadSaveFileStatus(eepromAddresses->checksum1, &fileStatus);
if (read1status == 2) {
if ((DataRead(eepromAddresses->address1, data, eepromAddresses->size) == 0) ||
(VerifyChecksum(&fileStatus, (u16*)data, eepromAddresses->size) == 0)) {
// read 1 failed
read1status = 0;
} else {
return 1;
}
}
t2 = sub_0807D0EC(unk_s->field_0x4, auStack32);
if (t2 == 2) {
if ((sub_0807D1D8(unk_s->field_0x8, (char*)saveFile, unk_s->field_0x0) != 0) &&
(sub_0807D0A0((u16*)auStack32, (u16*)saveFile, (u32)unk_s->field_0x0) != 0)) {
read2status = ReadSaveFileStatus(eepromAddresses->checksum2, &fileStatus);
if (read2status == 2) {
if ((DataRead(eepromAddresses->address2, data, eepromAddresses->size) != 0) &&
(VerifyChecksum(&fileStatus, (u16*)data, (u32)eepromAddresses->size) != 0)) {
return 1;
}
t2 = 0;
// read 2 failed
read2status = 0;
}
set_0 = 0;
CpuSet(&set_0, saveFile, unk_s->field_0x0 >> 2 | CPU_SET_SRC_FIXED | CPU_SET_32BIT);
temp = t1 | t2;
CpuSet((u16*)&set_0, data, eepromAddresses->size >> 2 | CPU_SET_SRC_FIXED | CPU_SET_32BIT);
temp = read1status | read2status;
ret = 0;
if (temp == 0) {
ret = -1;
ret = -1; // both reads failed
}
return ret;
}
END_NONMATCH
NONMATCH("asm/non_matching/save/sub_0807D0A0.inc", u32 sub_0807D0A0(u16* unk_1, u16* unk_2, u32 unk_3)) {
u32 r0;
u32 VerifyChecksum(SaveFileStatus* fileStatus, u16* data, u32 size) {
u32 temp;
u16 checksum;
u32* u32_1 = (u32*)unk_1;
checksum = CalculateChecksum((u16*)&fileStatus->status, 4);
checksum += CalculateChecksum(data, size);
u16 u0;
u32 u1;
u0 = sub_0807D1A4(unk_1 + 2, 4);
u0 = u0 + sub_0807D1A4(unk_2, unk_3);
u1 = unk_1[0];
if (u1 != u0) {
r0 = 0;
} else {
if (unk_1[1] == (-(u1 << 0x10) >> 0x10)) {
if (*(u32_1 + 1) != 'MCZ3') {
r0 = 0;
} else {
r0 = 1;
}
} else {
r0 = 0;
}
}
return r0;
if ((fileStatus->checksum1 != checksum) ||
(temp = fileStatus->checksum1 << 0x10, fileStatus->checksum2 != (-temp >> 0x10)) ||
(fileStatus->status != 'MCZ3')) {
return 0;
} else
return 1;
}
END_NONMATCH
u32 sub_0807D0EC(u32 unk_1, const char* unk_2) {
u32 ReadSaveFileStatus(u32 address, SaveFileStatus* fileStatus) {
u32 ret;
if (!sub_0807D1D8(unk_1, unk_2, 8)) {
if (!DataRead(address, fileStatus, 8)) {
ret = 0;
} else {
ret = sub_0807D128((Thing*)unk_2);
ret = ParseSaveFileStatus(fileStatus);
}
if (!ret && sub_0807D1D8(unk_1 + 8, unk_2, 8)) {
ret = sub_0807D128((Thing*)unk_2);
if (!ret && DataRead(address + 8, fileStatus, 8)) {
ret = ParseSaveFileStatus(fileStatus);
}
return ret;
}
u32 sub_0807D128(const Thing* thing) {
/**
* 2 for valid existing file
* 1 for valid empty file
* 0 for bad file
* @param fileStatus
* @return
*/
u32 ParseSaveFileStatus(const SaveFileStatus* fileStatus) {
u32 ret;
switch (thing->unk_3) {
switch (fileStatus->status) {
case 'MCZ3':
if (thing->unk_1 + thing->unk_2 == 0x10000) {
if (fileStatus->checksum1 + fileStatus->checksum2 == 0x10000) {
ret = 2;
} else {
ret = 0;
@@ -295,7 +310,7 @@ u32 sub_0807D128(const Thing* thing) {
case 'FleD':
case 'TINI':
ret = 0;
if ((thing->unk_1 & thing->unk_2) == 0xffff) {
if ((fileStatus->checksum1 & fileStatus->checksum2) == 0xffff) {
ret = 1;
}
break;
@@ -306,61 +321,87 @@ u32 sub_0807D128(const Thing* thing) {
return ret;
}
u32 sub_0807D184(u32 param_1, const char* param_2) {
u32 uVar1;
bool32 WriteSaveFileStatus(u32 address, const struct SaveFileStatus* fileStatus) {
bool32 success;
uVar1 = sub_0807D20C(param_1, param_2, 8);
if (uVar1 == 0) {
uVar1 = sub_0807D20C(param_1 + 8, param_2, 8);
success = DataWrite(address, fileStatus, 8);
if (!success) {
success = DataWrite(address + 8, fileStatus, 8);
}
return uVar1;
return success;
}
u16 sub_0807D1A4(u16* unk_1, u32 unk_2) {
u32 uVar1;
u16 CalculateChecksum(u16* data, u32 size) {
u32 checksum;
uVar1 = 0;
while (unk_2 != 0) {
uVar1 = uVar1 + (*unk_1 ^ unk_2);
unk_1 = unk_1 + 1;
unk_2 = unk_2 - 2;
checksum = 0;
while (size != 0) {
checksum += (*data ^ size);
data++;
size = size - 2;
}
return uVar1;
return checksum;
}
struct_0807D1C4* sub_0807D1C4(u32 unk_1) {
return &gUnk_0811E4BC[unk_1];
const SaveFileEEPROMAddresses* GetSaveFileEEPROMAddresses(u32 unk_1) {
return &gSaveFileEEPROMAddresses[unk_1];
}
// these three are basically the same and wrong by basically one instruction in the wrong place
NONMATCH("asm/non_matching/save/sub_0807D1D8.inc", u32 sub_0807D1D8(u32 unk_1, const char* unk_2, u32 unk_3)) {
/**
* read arbitrary data from EEPROM
* @param address EEPROM address
* @param data buffer to read into
* @param size size in bytes to read
* @return TRUE on success
*/
bool32 DataRead(u32 address, void* data, u32 size) {
size /= 8;
address /= 8;
while (size-- > 0) {
if (EEPROMRead(address, data))
return FALSE;
address++;
data += 8;
}
return TRUE;
}
END_NONMATCH
NONMATCH("asm/non_matching/save/sub_0807D20C.inc", u32 sub_0807D20C(u32 unk_1, const char* unk_2, u32 unk_3)) {
unk_3 >>= 3;
unk_1 >>= 3;
while (unk_3-- > 0) {
if (EEPROMWrite0_8k_Check(unk_1, (u16*)unk_2)) {
EEPROMWrite0_8k_Check(unk_1, (u16*)gUnk_0811E4B4);
return 0;
/**
* write arbitrary data to EEPROM
* @param address EEPROM address
* @param data buffer to write from
* @param size size in bytes to write
* @return TRUE on success
*/
bool32 DataWrite(u32 address, const void* data, u32 size) {
size /= 8;
address /= 8;
while (size-- > 0) {
if (EEPROMWrite0_8k_Check(address, data)) {
EEPROMWrite0_8k_Check(address, (const u16*)gUnk_0811E4B4);
return FALSE;
}
unk_1++;
unk_2 += 8;
address++;
data += 8;
}
return 1;
return TRUE;
}
END_NONMATCH
NONMATCH("asm/non_matching/save/sub_0807D24C.inc", u32 sub_0807D24C(u32 unk_1, const char* unk_2, u32 unk_3)) {
unk_3 >>= 3;
unk_1 >>= 3;
while (unk_3-- > 0) {
if (EEPROMCompare(unk_1, (u16*)unk_2))
return 0;
unk_1++;
unk_2 += 8;
/**
* compare arbitrary data with EEPROM
* @param address EEPROM address
* @param data buffer to compare to
* @param size size in bytes to compare
* @return TRUE on success
*/
bool32 DataCompare(u32 address, const void* data, u32 size) {
size /= 8;
address /= 8;
while (size-- > 0) {
if (EEPROMCompare(address, data))
return FALSE;
address++;
data += 8;
}
return 1;
return TRUE;
}
END_NONMATCH