mirror of
https://github.com/sanni/cartreader.git
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Fix NES manual mapper selection
This commit is contained in:
sanni
parent
78aa7a3d34
commit
a3b1882e88
@ -971,6 +971,9 @@ void mainMenu() {
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display_Clear();
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display_Update();
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setup_NES();
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#ifdef nointro
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getMapping();
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#endif
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checkStatus_NES();
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nesMenu();
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break;
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@ -1227,6 +1230,9 @@ void consoleMenu() {
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display_Clear();
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display_Update();
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setup_NES();
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#ifdef nointro
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getMapping();
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#endif
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checkStatus_NES();
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nesMenu();
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break;
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@ -526,6 +526,7 @@ void getMapping() {
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}
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oldcrc32 = ~oldcrc32;
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oldcrc32MMC3 = ~oldcrc32MMC3;
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boolean browseDatabase;
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// Filter out all 0xFF checksums at 0x8000 and 0xE000
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if (oldcrc32 == 0xBD7BC39F && oldcrc32MMC3 == 0xBD7BC39F) {
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@ -534,7 +535,7 @@ void getMapping() {
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display_Update();
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delay(1000);
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setDefaultRomName();
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selectMapping(database);
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browseDatabase = selectMapping(database);
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} else {
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println_Msg(F("Searching database"));
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print_Msg(F("for "));
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@ -573,147 +574,149 @@ void getMapping() {
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// Change ROM name to CART
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setDefaultRomName();
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selectMapping(database);
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browseDatabase = selectMapping(database);
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}
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}
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byte fastScrolling = 1;
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if (browseDatabase) {
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byte fastScrolling = 1;
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// Display database
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while (database.available()) {
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byte iNES[16];
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byte* output;
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char* input;
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// Display database
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while (database.available()) {
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byte iNES[16];
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byte* output;
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char* input;
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struct database_entry entry;
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struct database_entry entry;
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display_Clear();
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readDatabaseEntry(database, &entry);
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display_Clear();
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readDatabaseEntry(database, &entry);
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input = entry.iNES_str;
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output = iNES;
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for (byte i = 0; i < sizeof(iNES); i++) {
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unsigned int buf;
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input = entry.iNES_str;
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output = iNES;
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for (byte i = 0; i < sizeof(iNES); i++) {
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unsigned int buf;
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sscanf(input, "%2X", &buf);
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*(output++) = buf;
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input += 2;
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}
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mapper = (iNES[6] >> 4) | (iNES[7] & 0xF0) | (iNES[8] & 0x0F);
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if ((iNES[9] & 0x0F) != 0x0F) {
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// simple notation
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prgsize = (iNES[4] | ((iNES[9] & 0x0F) << 8)); //*16
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} else {
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// exponent-multiplier notation
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prgsize = (((1 << (iNES[4] >> 2)) * ((iNES[4] & 0b11) * 2 + 1)) >> 14); //*16
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}
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if (prgsize != 0)
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prgsize = (int(log(prgsize) / log(2)));
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if ((iNES[9] & 0xF0) != 0xF0) {
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// simple notation
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chrsize = (uppow2(iNES[5] | ((iNES[9] & 0xF0) << 4))) * 2; //*4
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} else {
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// exponent-multiplier notation
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chrsize = (((1 << (iNES[5] >> 2)) * ((iNES[5] & 0b11) * 2 + 1)) >> 13) * 2; //*4
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}
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if (chrsize != 0)
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chrsize = (int(log(chrsize) / log(2)));
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ramsize = ((iNES[10] & 0xF0) ? (64 << ((iNES[10] & 0xF0) >> 4)) : 0) / 4096; //*4
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if (ramsize != 0)
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ramsize = (int(log(ramsize) / log(2)));
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prg = (int_pow(2, prgsize)) * 16;
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if (chrsize == 0)
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chr = 0; // 0K
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else
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chr = (int_pow(2, chrsize)) * 4;
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if (ramsize == 0)
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ram = 0; // 0K
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else if (mapper == 82)
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ram = 5; // 5K
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else
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ram = (int_pow(2, ramsize)) * 4;
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// Mapper Variants
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// Identify variant for use across multiple functions
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if (mapper == 4) { // Check for MMC6/MMC3
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checkMMC6();
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if (mmc6)
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ram = 1; // 1K
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}
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#ifdef global_log
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// Disable log to prevent unnecessary logging
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//println_Log(F("Get Mapping from List"));
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dont_log = true;
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#endif
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println_Msg(entry.filename);
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printNESSettings();
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#if defined(enable_OLED)
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print_STR(press_to_change_STR, 0);
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if (fastScrolling > 1)
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println_Msg(F(" (fast)"));
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else
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println_Msg("");
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print_STR(right_to_select_STR, 1);
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#elif defined(enable_LCD)
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print_STR(rotate_to_change_STR, 0);
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if (fastScrolling > 1)
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println_Msg(F(" (fast)"));
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else
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println_Msg("");
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print_STR(press_to_select_STR, 1);
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#elif defined(SERIAL_MONITOR)
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println_Msg(F("U/D to Change"));
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println_Msg(F("Space to Select"));
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#endif
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display_Update();
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#ifdef global_log
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// Enable log again
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dont_log = false;
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#endif
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int b = 0;
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do {
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b = checkButton();
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} while (b == 0);
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if (b == 1) {
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// 1: Next record
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if (fastScrolling > 1) {
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for (byte skipped = 0; skipped < fastScrolling * 3; skipped++) {
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skip_line(&database);
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}
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sscanf(input, "%2X", &buf);
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*(output++) = buf;
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input += 2;
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}
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continue;
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}
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if (b == 2) {
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// 2: Previous record
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mapper = (iNES[6] >> 4) | (iNES[7] & 0xF0) | (iNES[8] & 0x0F);
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if ((iNES[9] & 0x0F) != 0x0F) {
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// simple notation
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prgsize = (iNES[4] | ((iNES[9] & 0x0F) << 8)); //*16
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} else {
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// exponent-multiplier notation
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prgsize = (((1 << (iNES[4] >> 2)) * ((iNES[4] & 0b11) * 2 + 1)) >> 14); //*16
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}
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if (prgsize != 0)
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prgsize = (int(log(prgsize) / log(2)));
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if ((iNES[9] & 0xF0) != 0xF0) {
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// simple notation
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chrsize = (uppow2(iNES[5] | ((iNES[9] & 0xF0) << 4))) * 2; //*4
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} else {
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// exponent-multiplier notation
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chrsize = (((1 << (iNES[5] >> 2)) * ((iNES[5] & 0b11) * 2 + 1)) >> 13) * 2; //*4
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}
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if (chrsize != 0)
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chrsize = (int(log(chrsize) / log(2)));
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ramsize = ((iNES[10] & 0xF0) ? (64 << ((iNES[10] & 0xF0) >> 4)) : 0) / 4096; //*4
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if (ramsize != 0)
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ramsize = (int(log(ramsize) / log(2)));
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prg = (int_pow(2, prgsize)) * 16;
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if (chrsize == 0)
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chr = 0; // 0K
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else
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chr = (int_pow(2, chrsize)) * 4;
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if (ramsize == 0)
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ram = 0; // 0K
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else if (mapper == 82)
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ram = 5; // 5K
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else
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ram = (int_pow(2, ramsize)) * 4;
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// Mapper Variants
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// Identify variant for use across multiple functions
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if (mapper == 4) { // Check for MMC6/MMC3
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checkMMC6();
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if (mmc6)
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ram = 1; // 1K
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}
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#ifdef global_log
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// Disable log to prevent unnecessary logging
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//println_Log(F("Get Mapping from List"));
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dont_log = true;
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#endif
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println_Msg(entry.filename);
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printNESSettings();
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#if defined(enable_OLED)
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print_STR(press_to_change_STR, 0);
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if (fastScrolling > 1)
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rewind_line(database, fastScrolling * 3 + 3);
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println_Msg(F(" (fast)"));
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else
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rewind_line(database, 6);
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continue;
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}
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if (b == 4) {
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// 4: Toggle Fast Scrolling
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if (fastScrolling == 1)
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fastScrolling = 30;
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println_Msg("");
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print_STR(right_to_select_STR, 1);
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#elif defined(enable_LCD)
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print_STR(rotate_to_change_STR, 0);
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if (fastScrolling > 1)
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println_Msg(F(" (fast)"));
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else
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fastScrolling = 1;
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continue;
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println_Msg("");
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print_STR(press_to_select_STR, 1);
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#elif defined(SERIAL_MONITOR)
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println_Msg(F("U/D to Change"));
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println_Msg(F("Space to Select"));
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#endif
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display_Update();
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#ifdef global_log
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// Enable log again
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dont_log = false;
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#endif
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int b = 0;
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do {
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b = checkButton();
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} while (b == 0);
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if (b == 1) {
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// 1: Next record
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if (fastScrolling > 1) {
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for (byte skipped = 0; skipped < fastScrolling * 3; skipped++) {
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skip_line(&database);
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}
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}
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continue;
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}
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if (b == 2) {
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// 2: Previous record
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if (fastScrolling > 1)
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rewind_line(database, fastScrolling * 3 + 3);
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else
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rewind_line(database, 6);
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continue;
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}
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if (b == 4) {
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// 4: Toggle Fast Scrolling
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if (fastScrolling == 1)
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fastScrolling = 30;
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else
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fastScrolling = 1;
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continue;
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}
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// anything else: select current record
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setRomnameFromString(entry.filename);
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// Save Mapper
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EEPROM_writeAnything(7, mapper);
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EEPROM_writeAnything(8, prgsize);
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EEPROM_writeAnything(9, chrsize);
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EEPROM_writeAnything(10, ramsize);
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break;
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}
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// anything else: select current record
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setRomnameFromString(entry.filename);
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// Save Mapper
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EEPROM_writeAnything(7, mapper);
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EEPROM_writeAnything(8, prgsize);
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EEPROM_writeAnything(9, chrsize);
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EEPROM_writeAnything(10, ramsize);
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break;
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}
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database.close();
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}
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@ -733,7 +736,7 @@ static void readDatabaseEntry(FsFile& database, struct database_entry* entry) {
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entry->crc512 = strtoul(entry->crc512_str, NULL, 16);
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}
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static void selectMapping(FsFile& database) {
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boolean selectMapping(FsFile& database) {
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// Select starting letter
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byte myLetter = starting_letter();
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@ -744,6 +747,7 @@ static void selectMapping(FsFile& database) {
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setPRGSize();
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setCHRSize();
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setRAMSize();
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return 0;
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} else {
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#ifdef global_log
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// Disable log to prevent unnecessary logging
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@ -766,6 +770,7 @@ static void selectMapping(FsFile& database) {
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dont_log = false;
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#endif
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}
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return 1;
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}
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void readRom_NES() {
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@ -2334,9 +2339,6 @@ void checkMMC6() { // Detect MMC6 Carts - read PRG 0x3E00A ("START
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}
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void checkStatus_NES() {
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#ifdef nointro
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getMapping();
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#endif
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EEPROM_readAnything(7, mapper);
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EEPROM_readAnything(8, prgsize);
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EEPROM_readAnything(9, chrsize);
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