mirror of
https://github.com/sanni/cartreader.git
synced 2024-12-27 05:21:53 +01:00
Loopy ROM dumping working
This commit is contained in:
Roger Braunstein
parent
7daa114bb9
commit
1a7be97dc1
@ -1040,6 +1040,7 @@ void mainMenu() {
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#ifdef enable_LOOPY
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case 21:
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setup_LOOPY();
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loopyMenu();
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break;
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#endif
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@ -8,6 +8,15 @@ const uint32_t LOOPY_MAP_ROM_ZERO = 0x0E000000;
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const uint32_t LOOPY_MAP_SRAM_ZERO = 0x02000000;
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const uint32_t LOOPY_SRAM_SIZE = 0x2000;
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// Control pins
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const int LOOPY_ROMCE = 42;
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const int LOOPY_OE = 43;
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const int LOOPY_RAMWE = 6;
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const int LOOPY_RAMCS1 = 7;
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const int LOOPY_RAMCS2 = A7;
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char strbuf[9];
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//******************************************
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// SETUP
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//******************************************
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@ -20,20 +29,22 @@ void setup_LOOPY() {
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// PK1-PK7, PA1-PA7, PC0-PC3, PL0-PL3 // Take whole port and unset the exceptions later
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DDRK = DDRA = DDRC = DDRL = 0xFF;
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// Set Control Pins to Output
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// /RAMWE(PH6)/RAMCS2(PH4)
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DDRH |= (1 << 6) | (1 << 4);
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// /CE(PL7) /OE(PL6)
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DDRL |= (1 << 7) | (1 << 6);
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// Control pins, all active low
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pinMode(LOOPY_ROMCE, OUTPUT);
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pinMode(LOOPY_OE, OUTPUT);
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pinMode(LOOPY_RAMWE, OUTPUT);
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pinMode(LOOPY_RAMCS1, OUTPUT);
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pinMode(LOOPY_RAMCS2, OUTPUT);
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digitalWrite(LOOPY_ROMCE, HIGH);
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digitalWrite(LOOPY_OE, HIGH);
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digitalWrite(LOOPY_RAMWE, HIGH);
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digitalWrite(LOOPY_RAMCS1, HIGH);
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digitalWrite(LOOPY_RAMCS2, HIGH);
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// Set Pins (D0-D15) to Input
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dataIn_LOOPY();
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// Reset HIGH (PF7)
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DDRF |= (1 << 7);
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PORTF |= (1 << 7);
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strcpy(romName, "LOOPY");
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strcpy(romName, "unknown");
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getCartInfo_LOOPY();
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mode = mode_LOOPY;
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@ -44,11 +55,12 @@ void setup_LOOPY() {
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//******************************************
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// Base Menu
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static const char loopyMenuItem0[] PROGMEM = "Cart Info";
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static const char loopyMenuItem1[] PROGMEM = "Read ROM";
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static const char loopyMenuItem2[] PROGMEM = "Read SRAM";
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static const char loopyMenuItem3[] PROGMEM = "Write SRAM";
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//static const char loopyMenuItem4[] PROGMEM = "Reset"; (stored in common strings array)
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static const char* const menuOptionsLOOPY[] PROGMEM = { loopyMenuItem1, loopyMenuItem2, loopyMenuItem3, string_reset2 };
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static const char* const menuOptionsLOOPY[] PROGMEM = { loopyMenuItem0, loopyMenuItem1, loopyMenuItem2, loopyMenuItem3, string_reset2 };
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void loopyMenu() {
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convertPgm(menuOptionsLOOPY, 4);
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@ -56,13 +68,19 @@ void loopyMenu() {
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switch (mainMenu) {
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case 0:
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display_Clear();
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display_Update();
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setup_LOOPY();
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break;
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case 1:
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// Read ROM
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sd.chdir("/");
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readROM_LOOPY();
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sd.chdir("/");
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break;
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case 1:
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case 2:
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// Read SRAM
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if (sramSize) {
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sd.chdir("/");
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@ -83,7 +101,7 @@ void loopyMenu() {
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#endif
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break;
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case 2:
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case 3:
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// Write SRAM
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if (sramSize) {
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// Change working dir to root
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@ -113,7 +131,7 @@ void loopyMenu() {
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#endif
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break;
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case 3:
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case 4:
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// reset
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resetArduino();
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break;
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@ -213,6 +231,7 @@ void setByte_LOOPY(uint8_t D) {
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}
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void writeByte_LOOPY(unsigned long myAddress, byte myData) {
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// TODO Update
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setAddress_LOOPY(myAddress);
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__asm__("nop\n\t");
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@ -245,38 +264,23 @@ void writeByte_LOOPY(unsigned long myAddress, byte myData) {
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word readWord_LOOPY(unsigned long myAddress) {
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setAddress_LOOPY(myAddress);
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__asm__("nop\n\t");
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digitalWrite(LOOPY_ROMCE, LOW);
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digitalWrite(LOOPY_OE, LOW);
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// Set CS2(PH0), /CS1(PH4), /WE0(PH5) to HIGH
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PORTH |= (1 << 0) | (1 << 4) | (1 << 5);
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// Set /CE(PH3), /OE(PH6) to LOW
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PORTH &= ~(1 << 3) & ~(1 << 6);
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// 16mhz = 62.5ns
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NOP;
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NOP;
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__asm__("nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t");
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word tempWord = getWord_LOOPY();
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word tempWord = ((PINA & 0xFF) << 8) | (PINC & 0xFF);
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// Set /CE(PH3), /OE(PH6) to HIGH
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PORTH |= (1 << 3) | (1 << 6);
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// Setting CS2(PH0) LOW
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PORTH &= ~(1 << 0);
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__asm__("nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t");
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digitalWrite(LOOPY_ROMCE, HIGH);
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digitalWrite(LOOPY_OE, HIGH);
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return tempWord;
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}
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byte readByte_LOOPY(unsigned long myAddress) { // SRAM BYTE
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// TODO Update
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setAddress_LOOPY(myAddress);
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__asm__("nop\n\t");
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@ -387,17 +391,19 @@ void dataIn_LOOPY() {
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//******************************************
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void getCartInfo_LOOPY() {
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display_Clear();
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// Set control
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dataIn_LOOPY();
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// Last word of ROM stored as 32-bit pointer at 000004h
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// TODO make sure you have endianness right when interpreting this
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uint32_t headerRomSize = ((uint32_t)readWord_LOOPY(0x4) << 16 | (uint32_t)readWord_LOOPY(0x6));
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uint32_t headerRomSize = ((uint32_t)readWord_LOOPY(0x4) << 16) | (uint32_t)readWord_LOOPY(0x6);
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cartSize = headerRomSize - LOOPY_MAP_ROM_ZERO + 2;
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// Get internal CRC32 from header
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uint32_t cartHeaderCrc = (uint32_t)readWord_LOOPY(0x8) << 16 | (uint32_t)readWord_LOOPY(0xA);
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snprintf(checksumStr, 8, "%08X", cartHeaderCrc);
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uint32_t cartHeaderCrc = ((uint32_t)readWord_LOOPY(0x8) << 16) | (uint32_t)readWord_LOOPY(0xA);
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sprintf(checksumStr, "%08lx", cartHeaderCrc);
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// Look up in database
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// compareCRC("loopy.txt", cartId, false, 0);
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@ -406,9 +412,11 @@ void getCartInfo_LOOPY() {
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// But this is fine
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sramSize = LOOPY_SRAM_SIZE;
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display_Clear();
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println_Msg(F("Cart Info"));
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println_Msg(F(" "));
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print_Msg(F("Magic: "));
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sprintf(strbuf, "0x%08lx", ((uint32_t)readWord_LOOPY(0) << 16) | (uint32_t)readWord_LOOPY(0x2));
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println_Msg(strbuf);
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// print_Msg(F("Name: "));
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// println_Msg(romName);
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print_Msg(F("CRC32: "));
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@ -461,23 +469,20 @@ void readROM_LOOPY() {
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print_FatalError(sd_error_STR);
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}
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word d = 0;
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uint32_t progress = 0;
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draw_progressbar(0, cartSize);
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for (unsigned long currBuffer = 0; currBuffer < cartSize / 2; currBuffer += 256) {
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for (int currWord = 0; currWord < 256; currWord++) {
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word myWord = readWord_LOOPY(currBuffer + currWord);
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// Split word into two bytes
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sdBuffer[d] = ((myWord >> 8) & 0xFF);
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sdBuffer[d + 1] = (myWord & 0xFF);
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d += 2;
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// sdbuffer size is 512
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const size_t sdBufferSize = 512;
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for (unsigned long ptr = 0; ptr < cartSize;) {
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word myWord = readWord_LOOPY(ptr);
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sdBuffer[ptr++ % sdBufferSize] = ((myWord >> 8) & 0xFF);
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sdBuffer[ptr++ % sdBufferSize] = (myWord & 0xFF);
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if (ptr % sdBufferSize == 0) {
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myFile.write(sdBuffer, sdBufferSize);
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}
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myFile.write(sdBuffer, 512);
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d = 0;
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progress += 512;
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draw_progressbar(progress, cartSize);
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draw_progressbar(ptr, cartSize);
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}
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// TODO this assumes size is divisible by 512
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myFile.close();
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// Compare CRC32 to database and rename ROM if found
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@ -499,6 +504,7 @@ void readROM_LOOPY() {
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//******************************************
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void writeSRAM_LOOPY() {
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// TODO UPDATE
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dataOut_LOOPY();
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sprintf(filePath, "%s/%s", filePath, fileName);
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@ -521,6 +527,7 @@ void writeSRAM_LOOPY() {
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}
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void readSRAM_LOOPY() {
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// TODO UPDATE
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dataIn_LOOPY();
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strcpy(fileName, romName);
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@ -552,6 +559,7 @@ void readSRAM_LOOPY() {
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}
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unsigned long verifySRAM_LOOPY() {
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// TODO UPDATE
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dataIn_LOOPY();
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writeErrors = 0;
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@ -4,7 +4,7 @@ Anime Land (Japan).bin
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HARIHARI Seal Paradise (Japan).bin
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b82ac7f3
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Dream Change - Kogane-chan no Fashion Party (Japan).bin
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Dream Change (Japan).bin
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0fb0a794
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Nigaoe Artist (Japan).bin
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@ -13,14 +13,14 @@ ef1b33f3
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Wanwan Aijou Monogatari (Japan).bin
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10c5f568
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Pasocom Collection (Japan).bin
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PC Collection (Japan).bin
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fe3be881
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Little Romance (Japan).bin
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550616f0
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Loopy Town no Oheya ga Hoshii! (Japan).bin
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Loopy Town no Oheya ga Hoshii (Japan).bin
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352b4ae6
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Lupiton no Wonder Palette (Japan).bin
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Lupiton's Wonder Palette (Japan).bin
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f4662e66
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