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Fix MEP RAM drive not showing

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Moved first 8 sectors of MEP RAM drive to Main RAM
This commit is contained in:
RocketRobz 2022-01-02 01:12:40 -07:00
parent 48b54d5d68
commit f4d324d2ba
3 changed files with 13 additions and 5 deletions
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2
arm9/source/driveMenu.cpp
View File

@ -335,7 +335,7 @@ void driveMenu (void) {
}
} else if (dmOperations[dmCursorPosition] == DriveMenuOperation::ndsCard && (sdMounted || flashcardMounted)) {
ndsCardDump();
} else if (dmOperations[dmCursorPosition] == DriveMenuOperation::ramDrive && isDSiMode() && ramdriveMounted) {
} else if (dmOperations[dmCursorPosition] == DriveMenuOperation::ramDrive && ramdriveMounted) {
currentDrive = Drive::ramDrive;
chdir("ram:/");
screenMode = 1;

2
arm9/source/driveOperations.cpp
View File

@ -323,7 +323,7 @@ void ramdriveMount(bool ram32MB) {
if(isDSiMode()) {
ramdSectors = ram32MB ? 0xC800 : 0x4800;
} else {
ramdSectors = 0x4000;
ramdSectors = 0x8 + 0x4000;
}
fatMountSimple("ram", &io_ram_drive);

14
arm9/source/ramd.c
View File

@ -15,12 +15,14 @@ const static u8 bootSector[] = {
u32 ramdSectors = 0;
u8* ramdLoc = (u8*)NULL;
u8* ramdLocMep = (u8*)NULL;
bool ramd_startup() {
if(isDSiMode()) {
ramdLoc = (u8*)malloc(0x4800 * SECTOR_SIZE);
} else {
ramdLoc = (u8*)0x09000000;
ramdLoc = (u8*)malloc(0x8 * SECTOR_SIZE);
ramdLocMep = (u8*)0x09000000;
}
tonccpy(ramdLoc, bootSector, sizeof(bootSector));
@ -43,9 +45,12 @@ bool ramd_read_sectors(sec_t sector, sec_t numSectors, void *buffer) {
tonccpy(buffer, (void*)0x0D000000 + ((sector - 0x4800) << 9), numSectors << 9);
return true;
}
} else if(sector < ramdSectors) {
} else if(sector < 0x8) {
tonccpy(buffer, ramdLoc + (sector << 9), numSectors << 9);
return true;
} else if(sector <= ramdSectors - 0x8) {
tonccpy(buffer, ramdLocMep + ((sector - 0x8) << 9), numSectors << 9);
return true;
}
return false;
@ -60,9 +65,12 @@ bool ramd_write_sectors(sec_t sector, sec_t numSectors, const void *buffer) {
tonccpy((void*)0x0D000000 + ((sector - 0x4800) << 9), buffer, numSectors << 9);
return true;
}
} else if(sector < ramdSectors) {
} else if(sector < 0x8) {
tonccpy(ramdLoc + (sector << 9), buffer, numSectors << 9);
return true;
} else if(sector <= ramdSectors - 0x8) {
tonccpy(ramdLocMep + ((sector - 0x8) << 9), buffer, numSectors << 9);
return true;
}
return false;