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create a merge request for https://github.com/sanni/cartreader/issues/916
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smesgr9000
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385b6b03f4
commit
a2924e4f58
@ -44,6 +44,7 @@
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// CONTROL PINS:
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// CLK(PH1) - SNES CPUCLK
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// R/W(PH6) - SNES /RD
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// HALT(PH0) - SNES /RESET
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//******************************************
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// Supported Mappers
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@ -58,9 +59,10 @@ static const byte PROGMEM a7800mapsize[] = {
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4, 4, 4, // Double Dragon/Rampage 128K [78AC]
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5, 3, 3, // Realsports Baseball/Tank Command/Tower Toppler/Waterski 64K [78S4]
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6, 3, 3, // Karateka (PAL) 64K [78S4 Variant]
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7, 1, 4, // Bankset switching
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};
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byte a7800mapcount = 7; // (sizeof(a7800mapsize) / sizeof(a7800mapsize[0])) / 3;
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byte a7800mapcount = 8; // (sizeof(a7800mapsize) / sizeof(a7800mapsize[0])) / 3;
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byte a7800mapselect;
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int a7800index;
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@ -96,7 +98,7 @@ void setup_7800() {
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DDRL = 0xFF;
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// Set Control Pins to Output
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// ---(PH0) ---(PH3) ---(PH4) ---(PH5) R/W(PH6)
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// HALT(PH0) ---(PH3) ---(PH4) ---(PH5) R/W(PH6)
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DDRH |= (1 << 0) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
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// Set TIME(PJ0) to Output (UNUSED)
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@ -106,7 +108,7 @@ void setup_7800() {
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DDRC = 0x00;
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// Setting Control Pins to HIGH
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// ---(PH0) ---(PH3) ---(PH4) ---(PH5) R/W(PH6)
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// HALT(PH0) ---(PH3) ---(PH4) ---(PH5) R/W(PH6)
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PORTH |= (1 << 0) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
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// Set Unused Data Pins (PA0-PA7) to Output
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@ -263,7 +265,32 @@ void writeData_7800(uint32_t addr, uint8_t data) {
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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PORTH |= (1 << 6); // R/W(PH6) HIGH = READ
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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DDRC = 0x00; // Reset to Input
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}
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@ -321,20 +348,11 @@ void readROM_7800() {
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switch (a7800mapper) {
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case 0: // Standard 16K/32K/48K [7816/7832/7848]
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if (a7800size > 1)
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readSegment_7800(0x4000, 0x8000); // +16K = 48K
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if (a7800size > 0)
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readSegment_7800(0x8000, 0xC000); // +16K = 32K
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// Base 16K
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readSegment_7800(0xC000, 0x10000); // 16K
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readStandard_7800();
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break;
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case 1: // SuperGame 128K [78SG]
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for (int x = 0; x < 7; x++) {
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writeData_7800(0x8000, x); // Banks 0-6
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readSegment_7800(0x8000, 0xC000); // 16K * 7 = 112K
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}
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readSegment_7800(0xC000, 0x10000); // Bank 7 +16 = 128K
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readSupergame_7800();
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break;
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case 2: // SuperGame - Alien Brigade/Crossbow 144K [78S9]
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@ -392,6 +410,20 @@ void readROM_7800() {
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readSegment_7800(0x8000, 0xC000); // 16K * 4 = 64K
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}
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break;
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case 7: // Bankset switching
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if (a7800size > 3) {
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setHalt_7800(1);
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readSupergame_7800();
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setHalt_7800(0);
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readSupergame_7800();
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} else {
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setHalt_7800(1);
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readStandard_7800();
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setHalt_7800(0);
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readStandard_7800();
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}
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break;
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}
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myFile.close();
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@ -405,6 +437,38 @@ void readROM_7800() {
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wait();
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}
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void readStandard_7800() {
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if (a7800size > 1)
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readSegment_7800(0x4000, 0x8000); // +16K = 48K
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if (a7800size > 0)
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readSegment_7800(0x8000, 0xC000); // +16K = 32K
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// Base 16K
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readSegment_7800(0xC000, 0x10000); // 16K
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}
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void readSupergame_7800() {
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for (int x = 0; x < 7; x++) {
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writeData_7800(0x8000, x); // Banks 0-6
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readSegment_7800(0x8000, 0xC000); // 16K * 7 = 112K
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}
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readSegment_7800(0xC000, 0x10000); // Bank 7 +16 = 128K
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}
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void setHalt_7800(byte on) {
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if(on == 1) {
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PORTH |= (1 << 0); // HALT(PH0) HIGH = SALLY
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} else {
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PORTH &= ~(1 << 0); // HALT(PH0) LOW = MARIA
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}
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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}
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//******************************************
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// ROM SIZE
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//******************************************
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@ -560,6 +624,8 @@ void checkStatus_7800() {
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println_Msg(F("BASEBALL/ETC [78S4]"));
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else if (a7800mapper == 6)
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println_Msg(F("KARATEKA(PAL)[78S4]"));
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else if (a7800mapper == 7)
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println_Msg(F("BANKSET"));
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print_Msg(F("ROM SIZE: "));
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print_Msg(a7800[a7800size]);
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println_Msg(F("K"));
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@ -582,6 +648,8 @@ void checkStatus_7800() {
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Serial.println(F("Realsports Baseball/Tank Command/Tower Toppler/Waterski [78S4]"));
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else if (a7800mapper == 6)
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Serial.println(F("Karateka (PAL) [78S4 Variant]"));
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else if (a7800mapper == 7)
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Serial.println(F("Bankset"));
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Serial.print(F("ROM SIZE: "));
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Serial.print(A7800[a7800size]);
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Serial.println(F("K"));
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@ -637,6 +705,8 @@ void setMapper_7800() {
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println_Msg(F("BASEBALL/ETC [78S4]"));
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else if (a7800mapselect == 6)
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println_Msg(F("KARATEKA(PAL) [78S4]"));
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else if (a7800mapselect == 7)
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println_Msg(F("BANKSET"));
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display_Update();
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if (i == (a7800mapcount - 1))
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i = 0;
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@ -665,6 +735,8 @@ void setMapper_7800() {
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println_Msg(F("BASEBALL/ETC [78S4]"));
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else if (a7800mapselect == 6)
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println_Msg(F("KARATEKA(PAL) [78S4]"));
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else if (a7800mapselect == 7)
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println_Msg(F("BANKSET"));
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println_Msg(FS(FSTRING_EMPTY));
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#if defined(ENABLE_OLED)
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print_STR(press_to_change_STR, 1);
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@ -702,6 +774,8 @@ void setMapper_7800() {
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println_Msg(F("BASEBALL/ETC [78S4]"));
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else if (a7800mapselect == 6)
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println_Msg(F("KARATEKA(PAL) [78S4]"));
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else if (a7800mapselect == 7)
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println_Msg(F("BANKSET"));
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println_Msg(FS(FSTRING_EMPTY));
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#if defined(ENABLE_OLED)
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print_STR(press_to_change_STR, 1);
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@ -738,6 +812,8 @@ void setMapper_7800() {
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println_Msg(F("BASEBALL/ETC [78S4]"));
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else if (a7800mapselect == 6)
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println_Msg(F("KARATEKA(PAL) [78S4]"));
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else if (a7800mapselect == 7)
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println_Msg(F("BANKSET"));
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println_Msg(FS(FSTRING_EMPTY));
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#if defined(ENABLE_OLED)
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print_STR(press_to_change_STR, 1);
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@ -770,7 +846,8 @@ setmapper:
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Serial.println(F("4 = Double Dragon/Rampage [78AC]"));
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Serial.println(F("5 = Realsports Baseball/Tank Command/Tower Toppler/Waterski [78S4]"));
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Serial.println(F("6 = Karateka (PAL) [78S4 Variant]"));
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Serial.print(F("Enter Mapper [0-6]: "));
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Serial.println(F("7 = Bankset"));
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Serial.print(F("Enter Mapper [0-7]: "));
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while (Serial.available() == 0) {}
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newmap = Serial.readStringUntil('\n');
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Serial.println(newmap);
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