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Increase DSi/3DS RAM drive size by 3MB

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This commit is contained in:
RocketRobz 2022-01-02 18:47:11 -07:00
parent d05294f4bf
commit c0a0c82fc0
2 changed files with 8 additions and 8 deletions
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2
arm9/source/driveOperations.cpp
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@ -326,7 +326,7 @@ void flashcardUnmount(void) {
void ramdriveMount(bool ram32MB) { void ramdriveMount(bool ram32MB) {
if(isDSiMode() || REG_SCFG_EXT != 0) { if(isDSiMode() || REG_SCFG_EXT != 0) {
ramdSectors = ram32MB ? 0xC800 : 0x4800; ramdSectors = ram32MB ? 0xE000 : 0x6000;
fatMountSimple("ram", &io_ram_drive); fatMountSimple("ram", &io_ram_drive);
} else if (isRegularDS) { } else if (isRegularDS) {

14
arm9/source/ramd.c
View File

@ -19,7 +19,7 @@ u8* ramdLocMep = (u8*)NULL;
bool ramd_startup() { bool ramd_startup() {
if(isDSiMode() || REG_SCFG_EXT != 0) { if(isDSiMode() || REG_SCFG_EXT != 0) {
ramdLoc = (u8*)malloc(0x4800 * SECTOR_SIZE); ramdLoc = (u8*)malloc(0x6000 * SECTOR_SIZE);
} else { } else {
ramdLoc = (u8*)malloc(0x8 * SECTOR_SIZE); ramdLoc = (u8*)malloc(0x8 * SECTOR_SIZE);
toncset(ramdLocMep, 0, (ramdSectors - 0x8) * SECTOR_SIZE); // Fill MEP with 00 to avoid displaying weird files toncset(ramdLocMep, 0, (ramdSectors - 0x8) * SECTOR_SIZE); // Fill MEP with 00 to avoid displaying weird files
@ -38,11 +38,11 @@ bool ramd_is_inserted() {
bool ramd_read_sectors(sec_t sector, sec_t numSectors, void *buffer) { bool ramd_read_sectors(sec_t sector, sec_t numSectors, void *buffer) {
if(isDSiMode() || REG_SCFG_EXT != 0) { if(isDSiMode() || REG_SCFG_EXT != 0) {
if(sector < 0x4800) { if(sector < 0x6000) {
tonccpy(buffer, ramdLoc + (sector << 9), numSectors << 9); tonccpy(buffer, ramdLoc + (sector << 9), numSectors << 9);
return true; return true;
} else if(sector <= 0xC800) { } else if(sector <= 0xE000) {
tonccpy(buffer, (void*)0x0D000000 + ((sector - 0x4800) << 9), numSectors << 9); tonccpy(buffer, (void*)0x0D000000 + ((sector - 0x6000) << 9), numSectors << 9);
return true; return true;
} }
} else if(sector < 0x8) { } else if(sector < 0x8) {
@ -58,11 +58,11 @@ bool ramd_read_sectors(sec_t sector, sec_t numSectors, void *buffer) {
bool ramd_write_sectors(sec_t sector, sec_t numSectors, const void *buffer) { bool ramd_write_sectors(sec_t sector, sec_t numSectors, const void *buffer) {
if(isDSiMode() || REG_SCFG_EXT != 0) { if(isDSiMode() || REG_SCFG_EXT != 0) {
if(sector < 0x4800) { if(sector < 0x6000) {
tonccpy(ramdLoc + (sector << 9), buffer, numSectors << 9); tonccpy(ramdLoc + (sector << 9), buffer, numSectors << 9);
return true; return true;
} else if(sector <= 0xC800) { } else if(sector <= 0xE000) {
tonccpy((void*)0x0D000000 + ((sector - 0x4800) << 9), buffer, numSectors << 9); tonccpy((void*)0x0D000000 + ((sector - 0x6000) << 9), buffer, numSectors << 9);
return true; return true;
} }
} else if(sector < 0x8) { } else if(sector < 0x8) {