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Added PC Engine Tennokoe Bank RAM read/write support, thanks to Tamanegi_taro
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sanni
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@ -1,11 +1,13 @@
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//******************************************
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// PC Engine & TurboGrafx dump code by tamanegi_taro
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// Revision 1.0.1 April 18th 2018
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// April 18th 2018 Revision 1.0.1 Initial version
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// August 12th 2019 Revision 1.0.2 Added Tennokoe Bank support
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//
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// Special thanks
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// sanni - Arduino cart reader
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// skaman - ROM size detection
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// NO-INTRO - CRC list for game name detection
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// Chris Covell - Tennokoe bank support
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//
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//******************************************
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@ -54,8 +56,17 @@ static const char* const menuOptionspce[] PROGMEM = {pceMenuItem1, pceMenuItem2}
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// PCE card menu items
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static const char pceCartMenuItem1[] PROGMEM = "Read Rom";
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static const char pceCartMenuItem2[] PROGMEM = "Reset";
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static const char* const menuOptionspceCart[] PROGMEM = {pceCartMenuItem1, pceCartMenuItem2};
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static const char pceCartMenuItem2[] PROGMEM = "Read Tennokoe Bank";
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static const char pceCartMenuItem3[] PROGMEM = "Write Tennokoe Bank";
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static const char pceCartMenuItem4[] PROGMEM = "Reset";
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static const char* const menuOptionspceCart[] PROGMEM = {pceCartMenuItem1, pceCartMenuItem2, pceCartMenuItem3, pceCartMenuItem4};
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// Turbochip menu items
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static const char pceTCMenuItem1[] PROGMEM = "Read Rom";
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static const char pceTCMenuItem2[] PROGMEM = "Reset";
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static const char* const menuOptionspceTC[] PROGMEM = {pceTCMenuItem1, pceTCMenuItem2};
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void draw_progressbar(uint32_t processed, uint32_t total)
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{
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@ -578,6 +589,174 @@ void crc_search(char *file_p, char *folder_p, uint32_t rom_size)
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}
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void read_tennokoe_bank_PCE(void)
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{
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uint32_t processed_size = 0;
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uint32_t verify_loop;
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uint8_t verify_flag = 1;
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//clear the screen
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display_Clear();
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sprintf(fileName, "RAM size: 8KB"); //using filename global variable as string. Initialzed in below anyways.
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println_Msg(fileName);
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// Get name, add extension and convert to char array for sd lib
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strcpy(fileName, "BANKRAM");
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strcat(fileName, ".sav");
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// create a new folder for the save file
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EEPROM_readAnything(10, foldern);
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sprintf(folder, "PCE/ROM/%s/%d", romName, foldern);
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sd.mkdir(folder, true);
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sd.chdir(folder);
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println_Msg(F("Saving RAM..."));
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display_Update();
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// write new folder number back to eeprom
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foldern = foldern + 1;
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EEPROM_writeAnything(10, foldern);
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//open file on sd card
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if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
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print_Error(F("Can't create file on SD"), true);
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}
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pin_read_write_PCE();
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//Initialize progress bar by setting processed size as 0
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draw_progressbar(0, 8 * 1024UL);
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//Unlock Tennokoe Bank RAM
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write_byte_PCE(0x0D0000, 0x68); //Unlock RAM sequence 1 Bank 68
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write_byte_PCE(0x0F0000, 0x0); //Unlock RAM sequence 2 Bank 78
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write_byte_PCE(0x0F0000, 0x73); //Unlock RAM sequence 3 Bank 78
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write_byte_PCE(0x0F0000, 0x73); //Unlock RAM sequence 4 Bank 78
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write_byte_PCE(0x0F0000, 0x73); //Unlock RAM sequence 5 Bank 78
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//Read Tennokoe bank RAM
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read_bank_PCE(0x080000, 0x080000 + 8 * 1024UL, &processed_size, 8 * 1024UL);
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myFile.seekSet(0); // Go back to file beginning
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processed_size = 0;
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//Verify Tennokoe bank RAM
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for(verify_loop = 0; verify_loop < 8 * 1024UL; verify_loop++)
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{
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if(myFile.read() != read_byte_PCE(verify_loop + 0x080000))
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{
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verify_flag = 0;
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draw_progressbar(8 * 1024UL, 8 * 1024UL);
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break;
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}
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draw_progressbar(verify_loop, 8 * 1024UL);
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}
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//If verify flag is 0, verify failed
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if(verify_flag == 1)
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{
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println_Msg(F("Verify OK..."));
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}
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else
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{
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println_Msg(F("Verify failed..."));
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}
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//Lock Tennokoe Bank RAM
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write_byte_PCE(0x0D0000, 0x68); //Lock RAM sequence 1 Bank 68
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write_byte_PCE(0x0F0001, 0x0); //Lock RAM sequence 2 Bank 78
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write_byte_PCE(0x0C0001, 0x60); //Lock RAM sequence 3 Bank 60
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pin_init_PCE();
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//Close the file:
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myFile.close();
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}
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void write_tennokoe_bank_PCE(void)
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{
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uint32_t readwrite_loop, verify_loop;
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uint32_t verify_flag = 1;
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//Display file Browser and wait user to select a file. Size must be 8KB.
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filePath[0] = '\0';
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sd.chdir("/");
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fileBrowser("Select RAM file");
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// Create filepath
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sprintf(filePath, "%s/%s", filePath, fileName);
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display_Clear();
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//open file on sd card
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if (myFile.open(filePath, O_READ)) {
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fileSize = myFile.fileSize();
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if (fileSize != 8 * 1024UL) {
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println_Msg(F("File must be 1MB"));
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display_Update();
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myFile.close();
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wait();
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return;
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}
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pin_read_write_PCE();
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//Unlock Tennokoe Bank RAM
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write_byte_PCE(0x0D0000, 0x68); //Unlock RAM sequence 1 Bank 68
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write_byte_PCE(0x0F0000, 0x0); //Unlock RAM sequence 2 Bank 78
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write_byte_PCE(0x0F0000, 0x73); //Unlock RAM sequence 3 Bank 78
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write_byte_PCE(0x0F0000, 0x73); //Unlock RAM sequence 4 Bank 78
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write_byte_PCE(0x0F0000, 0x73); //Unlock RAM sequence 5 Bank 78
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//Write file to Tennokoe BANK RAM
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for(readwrite_loop = 0; readwrite_loop < 8 * 1024UL; readwrite_loop++)
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{
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write_byte_PCE(0x080000 + readwrite_loop, myFile.read());
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draw_progressbar(readwrite_loop, 8 * 1024UL);
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}
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myFile.seekSet(0); // Go back to file beginning
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for(verify_loop = 0; verify_loop < 8 * 1024UL; verify_loop++)
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{
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if(myFile.read() != read_byte_PCE(verify_loop + 0x080000))
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{
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draw_progressbar(2 * 1024UL, 8 * 1024UL);
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verify_flag = 0;
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break;
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}
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draw_progressbar(verify_loop, 8 * 1024UL);
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}
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//If verify flag is 0, verify failed
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if(verify_flag == 1)
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{
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println_Msg(F("Verify OK..."));
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}
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else
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{
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println_Msg(F("Verify failed..."));
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}
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//Lock Tennokoe Bank RAM
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write_byte_PCE(0x0D0000, 0x68); //Lock RAM sequence 1 Bank 68
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write_byte_PCE(0x0F0001, 0x0); //Lock RAM sequence 2 Bank 78
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write_byte_PCE(0x0C0001, 0x60); //Lock RAM sequence 3 Bank 60
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pin_init_PCE();
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// Close the file:
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myFile.close();
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println_Msg(F("Finished"));
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display_Update();
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wait();
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}
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else {
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print_Error(F("File doesn't exist"), false);
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}
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}
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void read_rom_PCE(void)
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{
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uint32_t rom_size;
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@ -586,12 +765,10 @@ void read_rom_PCE(void)
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//clear the screen
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display_Clear();
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rom_size = detect_rom_size_PCE();
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sprintf(fileName, "Detected size: %dKB", rom_size); //using filename global variable as string. Initialzed in below anyways.
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println_Msg(fileName);
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//debug
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//return;
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// Get name, add extension and convert to char array for sd lib
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strcpy(fileName, "PCEROM");
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strcat(fileName, ".pce");
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@ -661,17 +838,40 @@ void read_rom_PCE(void)
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void pceMenu() {
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// create menu with title and 7 options to choose from
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unsigned char mainMenu;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionspceCart, 2);
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if (pce_internal_mode == HUCARD)
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{
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mainMenu = question_box("PCE HuCARD menu", menuOptions, 2, 0);
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// Copy menuOptions out of progmem
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convertPgm(menuOptionspceCart, 4);
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mainMenu = question_box("PCE HuCARD menu", menuOptions, 4, 0);
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// wait for user choice to come back from the question box menu
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switch (mainMenu)
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{
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case 0:
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display_Clear();
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// Change working dir to root
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sd.chdir("/");
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read_rom_PCE();
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break;
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case 1:
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display_Clear();
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read_tennokoe_bank_PCE();
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break;
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case 2:
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display_Clear();
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write_tennokoe_bank_PCE();
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break;
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case 3:
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asm volatile (" jmp 0");
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break;
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}
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}
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else
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{
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// Copy menuOptions out of progmem
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convertPgm(menuOptionspceTC, 2);
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mainMenu = question_box("TG TurboChip menu", menuOptions, 2, 0);
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}
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// wait for user choice to come back from the question box menu
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switch (mainMenu)
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@ -687,6 +887,8 @@ void pceMenu() {
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asm volatile (" jmp 0");
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break;
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}
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}
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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display_Update();
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