cartreader/Cart_Reader/ATARI.ino

1109 lines
30 KiB
C++

//******************************************
// ATARI 2600 MODULE
//******************************************
#if defined(enable_ATARI)
// Atari 2600
// Cartridge Pinout
// 24P 2.54mm pitch connector
//
// LABEL SIDE
//
// GND +5V A8 A9 A11 A10 A12 D7 D6 D5 D4 D3
// +--------------------------------------------------+
// | 24 23 22 21 20 19 18 17 16 15 14 13 |
// LEFT | | RIGHT
// | 1 2 3 4 5 6 7 8 9 10 11 12 |
// +--------------------------------------------------+
// A7 A6 A5 A4 A3 A2 A1 A0 D0 D1 D2 GND
//
// BOTTOM SIDE
// Cart Configurations
// Format = {mapper,romsize}
static const byte PROGMEM atarimapsize[] = {
0x20, 0, // 2K
0x3F, 2, // Tigervision 8K
0x40, 1, // 4K [DEFAULT]
0xC0, 0, // "CV" Commavid 2K
0xD0, 2, // "DPC" Pitfall II 10K
0xE0, 2, // Parker Bros 8K
0xE7, 4, // M-Network 16K
0xF0, 6, // Megaboy 64K
0xF4, 5, // Atari 32K
0xF6, 4, // Atari 16K
0xF8, 2, // Atari 8K
0xFA, 3, // CBS RAM Plus 12K
0xFE, 2, // Activision 8K
0xF9, 2, // "TP" Time Pilot 8K
0x0A, 2, // "UA" UA Ltd 8K
};
byte atarimapcount = (sizeof(atarimapsize) / sizeof(atarimapsize[0])) / 2;
byte atarimapselect;
int atariindex;
byte ATARI[] = { 2, 4, 8, 12, 16, 32, 64 };
byte atarimapper = 0;
byte newatarimapper;
byte atarisize;
byte e7size;
// EEPROM MAPPING
// 07 MAPPER
// 08 ROM SIZE
//******************************************
// Menu
//******************************************
// Base Menu
static const char atariMenuItem1[] PROGMEM = "Select Cart";
static const char atariMenuItem2[] PROGMEM = "Read ROM";
static const char atariMenuItem3[] PROGMEM = "Set Mapper";
static const char atariMenuItem4[] PROGMEM = "Reset";
static const char* const menuOptionsATARI[] PROGMEM = { atariMenuItem1, atariMenuItem2, atariMenuItem3, atariMenuItem4 };
void setup_ATARI() {
// Request 5V
setVoltage(VOLTS_SET_5V);
// Set Address Pins to Output
// Atari 2600 uses A0-A12 [A13-A23 UNUSED]
//A0-A7
DDRF = 0xFF;
//A8-A15
DDRK = 0xFF;
//A16-A23
DDRL = 0xFF;
// Set Control Pins to Output [UNUSED]
// ---(PH0) ---(PH1) ---(PH3) ---(PH4) ---(PH5) ---(PH6)
DDRH |= (1 << 0) | (1 << 1) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
// Set TIME(PJ0) to Output (UNUSED)
DDRJ |= (1 << 0);
// Set Pins (D0-D7) to Input
DDRC = 0x00;
// Setting Control Pins to HIGH [UNUSED]
// ---(PH0) ---(PH1) ---(PH3) ---(PH4) ---(PH5) ---(PH6)
PORTH |= (1 << 0) | (1 << 1) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
// Set Unused Data Pins (PA0-PA7) to Output
DDRA = 0xFF;
// Set Unused Pins HIGH
PORTA = 0xFF;
PORTL = 0xFF; // A16-A23
PORTJ |= (1 << 0); // TIME(PJ0)
checkStatus_ATARI();
strcpy(romName, "ATARI");
mode = mode_ATARI;
}
void atariMenu() {
convertPgm(menuOptionsATARI, 4);
uint8_t mainMenu = question_box(F("ATARI 2600 MENU"), menuOptions, 4, 0);
switch (mainMenu) {
case 0:
// Select Cart
setCart_ATARI();
wait();
setup_ATARI();
break;
case 1:
// Read ROM
sd.chdir("/");
readROM_ATARI();
sd.chdir("/");
break;
case 2:
// Set Mapper
setMapper_ATARI();
checkStatus_ATARI();
break;
case 3:
// reset
resetArduino();
break;
}
}
//******************************************
// READ CODE
//******************************************
uint8_t readData_ATARI(uint16_t addr) // Add Input Pullup
{
PORTF = addr & 0xFF; // A0-A7
PORTK = (addr >> 8) & 0xFF; // A8-A12
NOP;
NOP;
NOP;
NOP;
NOP;
DDRC = 0x00; // Set to Input
PORTC = 0xFF; // Input Pullup
NOP;
NOP;
NOP;
NOP;
NOP;
uint8_t ret = PINC;
NOP;
NOP;
NOP;
NOP;
NOP;
return ret;
}
void readSegment_ATARI(uint16_t startaddr, uint16_t endaddr) {
for (uint16_t addr = startaddr; addr < endaddr; addr += 512) {
for (int w = 0; w < 512; w++) {
uint8_t temp = readData_ATARI(addr + w);
sdBuffer[w] = temp;
}
myFile.write(sdBuffer, 512);
}
}
void readSegmentF8_ATARI(uint16_t startaddr, uint16_t endaddr, uint16_t bankaddr) {
for (uint16_t addr = startaddr; addr < endaddr; addr += 512) {
for (int w = 0; w < 512; w++) {
if (addr > 0x1FF9) // SET BANK ADDRESS FOR 0x1FFA-0x1FFF
readData_ATARI(bankaddr);
uint8_t temp = readData_ATARI(addr + w);
sdBuffer[w] = temp;
}
myFile.write(sdBuffer, 512);
}
}
void writeData_ATARI(uint16_t addr, uint8_t data) {
PORTF = addr & 0xFF; // A0-A7
PORTK = (addr >> 8) & 0xFF; // A8-A12
NOP;
NOP;
NOP;
NOP;
NOP;
DDRC = 0xFF; // Set to Output
NOP;
NOP;
NOP;
NOP;
NOP;
PORTC = data;
NOP;
NOP;
NOP;
NOP;
NOP;
DDRC = 0x00; // Reset to Input
}
void writeData3F_ATARI(uint16_t addr, uint8_t data) {
PORTF = addr & 0xFF; // A0-A7
PORTK = (addr >> 8) & 0xFF; // A8-A12
NOP;
NOP;
NOP;
NOP;
NOP;
DDRC = 0xFF; // Set to Output
NOP;
NOP;
NOP;
NOP;
NOP;
PORTC = data;
NOP;
NOP;
NOP;
NOP;
NOP;
// Address (0x1000);
PORTF = 0x00; // A0-A7
PORTK = 0x10; // A8-A12
NOP;
NOP;
NOP;
NOP;
NOP;
NOP;
NOP;
NOP;
DDRC = 0x00; // Reset to Input
}
// E7 Mapper Check - Check Bank for FFs
boolean checkE7(int bank) {
writeData_ATARI(0x1800, 0xFF);
readData_ATARI(0x1FE0 + bank);
uint32_t testdata = (readData_ATARI(0x1000) << 24) | (readData_ATARI(0x1001) << 16) | (readData_ATARI(0x1002) << 8) | (readData_ATARI(0x1003));
if (testdata == 0xFFFFFFFF)
return true;
else
return false;
}
void readROM_ATARI() {
strcpy(fileName, romName);
strcat(fileName, ".a26");
// create a new folder for storing rom file
EEPROM_readAnything(0, foldern);
sprintf(folder, "ATARI/ROM/%d", foldern);
sd.mkdir(folder, true);
sd.chdir(folder);
display_Clear();
print_Msg(F("Saving to "));
print_Msg(folder);
println_Msg(F("/..."));
display_Update();
// open file on sdcard
if (!myFile.open(fileName, O_RDWR | O_CREAT))
print_FatalError(create_file_STR);
// write new folder number back to EEPROM
foldern++;
EEPROM_writeAnything(0, foldern);
// ROM Start 0xF000
// Address A12-A0 = 0x1000 = 1 0000 0000 0000 = 4KB
// Read Start 0x1000
switch (atarimapper) {
case 0x20: // 2K Standard 2KB
readSegment_ATARI(0x1000, 0x1800);
break;
case 0x3F: // 3F Mapper 8KB
for (int x = 0; x < 0x3; x++) {
writeData3F_ATARI(0x3F, x);
readSegment_ATARI(0x1000, 0x1800);
}
readSegment_ATARI(0x1800, 0x2000);
break;
case 0x40: // 4K Default 4KB
readSegment_ATARI(0x1000, 0x2000);
break;
case 0xC0: // CV Mapper 2KB
readSegment_ATARI(0x1800, 0x2000);
break;
case 0xD0: // DPC Mapper 10KB
// 8K ROM
for (int x = 0; x < 0x2; x++) {
readData_ATARI(0x1FF8 + x);
// Split Read of 1st 0x200 bytes
// 0x0000-0x0080 are DPC Registers (Random on boot)
for (int y = 0; y < 0x80; y++) {
sdBuffer[y] = 0xFF; // Output 0xFFs for Registers
}
myFile.write(sdBuffer, 128);
for (int z = 0; z < 0x180; z++) {
sdBuffer[z] = readData_ATARI(0x1080 + z);
}
myFile.write(sdBuffer, 384);
// Read Segment
readSegment_ATARI(0x1200, 0x1800);
// 0x1000-0x1080 are DPC Registers (Random on boot)
for (int y = 0; y < 0x80; y++) {
sdBuffer[y] = 0xFF; // Output 0xFFs for Registers
}
myFile.write(sdBuffer, 128);
for (int z = 0; z < 0x180; z++) {
sdBuffer[z] = readData_ATARI(0x1880 + z);
}
myFile.write(sdBuffer, 384);
// Read Segment
readSegment_ATARI(0x1A00, 0x1E00);
// Split Read of Last 0x200 bytes
for (int y = 0; y < 0x1F8; y++) {
sdBuffer[y] = readData_ATARI(0x1E00 + y);
}
myFile.write(sdBuffer, 504);
for (int z = 0; z < 8; z++) {
// Set Bank to ensure 0x1FFA-0x1FFF is correct
readData_ATARI(0x1FF8 + x);
sdBuffer[z] = readData_ATARI(0x1FF8 + z);
}
myFile.write(sdBuffer, 8);
}
// 2K DPC Internal Graphics ROM
// Read Registers 0x1008-0x100F (Graphics 0x1008-0x100C)
// Write Registers LSB 0x1050-0x1057 AND MSB 0x1058-0x105F
// Set Data Fetcher 0 Limits
writeData_ATARI(0x1040, 0xFF); // MAX for Data Fetcher 0
writeData_ATARI(0x1048, 0x00); // MIN for Data Fetcher 0
// Set Data Fetcher 0 Counter (0x7FF)
writeData_ATARI(0x1050, 0xFF); // LSB for Data Fetcher 0
writeData_ATARI(0x1058, 0x07); // MSB for Data Fetcher 0
// Set Data Fetcher 1 Counter (0x7FF)
writeData_ATARI(0x1051, 0xFF); // LSB for Data Fetcher 1
writeData_ATARI(0x1059, 0x07); // MSB for Data Fetcher 1
for (int x = 0; x < 0x800; x += 512) {
for (int y = 0; y < 512; y++) {
sdBuffer[y] = readData_ATARI(0x1008); // Data Fetcher 0
readData_ATARI(0x1009); // Data Fetcher 1
}
myFile.write(sdBuffer, 512);
}
break;
case 0xE0: // E0 Mapper 8KB
for (int x = 0; x < 0x7; x++) {
readData_ATARI(0x1FE0 + x);
readSegment_ATARI(0x1000, 0x1400);
}
readSegment_ATARI(0x1C00, 0x2000);
break;
case 0xE7: // E7 Mapper 8KB/12KB/16KB
// Check Bank 0 - If 0xFFs then Bump 'n' Jump
if (checkE7(0)) { // Bump 'n' Jump 8K
writeData_ATARI(0x1800, 0xFF);
for (int x = 4; x < 7; x++) { // Banks 4-6
readData_ATARI(0x1FE0 + x);
readSegment_ATARI(0x1000, 0x1800);
}
e7size = 0;
}
// Check Bank 3 - If 0xFFs then BurgerTime
else if (checkE7(3)) { // BurgerTime 12K
writeData_ATARI(0x1800, 0xFF);
for (int x = 0; x < 2; x++) { // Banks 0+1
readData_ATARI(0x1FE0 + x);
readSegment_ATARI(0x1000, 0x1800);
}
for (int x = 4; x < 7; x++) { // Banks 4-6
readData_ATARI(0x1FE0 + x);
readSegment_ATARI(0x1000, 0x1800);
}
e7size = 1;
}
else { // Masters of the Universe (or Unknown Cart) 16K
writeData_ATARI(0x1800, 0xFF);
for (int x = 0; x < 7; x++) { // Banks 0-6
readData_ATARI(0x1FE0 + x);
readSegment_ATARI(0x1000, 0x1800);
}
e7size = 2;
}
readSegment_ATARI(0x1800, 0x2000); // Bank 7
break;
case 0xF0: // F0 Mapper 64KB
for (int x = 0; x < 0x10; x++) {
readData_ATARI(0x1FF0);
readSegment_ATARI(0x1000, 0x2000);
}
break;
case 0xF4: // F4 Mapper 32KB
for (int x = 0; x < 8; x++) {
readData_ATARI(0x1FF4 + x);
readSegment_ATARI(0x1000, 0x1E00);
// Split Read of Last 0x200 bytes
for (int y = 0; y < 0x1F4; y++) {
sdBuffer[y] = readData_ATARI(0x1E00 + y);
}
myFile.write(sdBuffer, 500);
for (int z = 0; z < 12; z++) {
// Set Bank to ensure 0x1FFC-0x1FFF is correct
readData_ATARI(0x1FF4 + x);
sdBuffer[z] = readData_ATARI(0x1FF4 + z);
}
myFile.write(sdBuffer, 12);
}
break;
case 0xF6: // F6 Mapper 16KB
for (int w = 0; w < 4; w++) {
readData_ATARI(0x1FF6 + w);
readSegment_ATARI(0x1000, 0x1E00);
// Split Read of Last 0x200 bytes
for (int x = 0; x < 0x1F6; x++) {
sdBuffer[x] = readData_ATARI(0x1E00 + x);
}
myFile.write(sdBuffer, 502);
// Bank Registers 0x1FF6-0x1FF9
for (int y = 0; y < 4; y++){
readData_ATARI(0x1FFF); // Reset Bank
sdBuffer[y] = readData_ATARI(0x1FF6 + y);
}
// End of Bank 0x1FFA-0x1FFF
readData_ATARI(0x1FFF); // Reset Bank
readData_ATARI(0x1FF6 + w); // Set Bank
for (int z = 4; z < 10; z++) {
sdBuffer[z] = readData_ATARI(0x1FF6 + z); // 0x1FFA-0x1FFF
}
myFile.write(sdBuffer, 10);
}
readData_ATARI(0x1FFF); // Reset Bank
break;
case 0xF8: // F8 Mapper 8KB
for (int w = 0; w < 2; w++) {
readData_ATARI(0x1FF8 + w);
readSegment_ATARI(0x1000, 0x1E00);
// Split Read of Last 0x200 bytes
for (int x = 0; x < 0x1F8; x++) {
sdBuffer[x] = readData_ATARI(0x1E00 + x);
}
myFile.write(sdBuffer, 504);
// Bank Registers 0x1FF8-0x1FF9
for (int y = 0; y < 2; y++){
readData_ATARI(0x1FFF); // Reset Bank
sdBuffer[y] = readData_ATARI(0x1FF8 + y);
}
// End of Bank 0x1FFA-0x1FFF
readData_ATARI(0x1FFF); // Reset Bank
readData_ATARI(0x1FF8 + w); // Set Bank
for (int z = 2; z < 8; z++) {
sdBuffer[z] = readData_ATARI(0x1FF8 + z); // 0x1FFA-0x1FFF
}
myFile.write(sdBuffer, 8);
}
readData_ATARI(0x1FFF); // Reset Bank
break;
case 0xF9: // Time Pilot Mapper 8KB
// Bad implementation of the F8 Mapper
// kevtris swapped the bank order - swapped banks may not match physical ROM data
// Bankswitch code uses 0x1FFC and 0x1FF9
for (int w = 3; w >= 0; w -= 3) {
readData_ATARI(0x1FF9 + w);
readSegment_ATARI(0x1000, 0x1E00);
// Split Read of Last 0x200 bytes
for (int x = 0; x < 0x1F9; x++) {
sdBuffer[x] = readData_ATARI(0x1E00 + x);
}
myFile.write(sdBuffer, 505);
readData_ATARI(0x1FFF); // Reset Bank
sdBuffer[0] = readData_ATARI(0x1FF9);
// End of Bank 0x1FFA-0x1FFF
readData_ATARI(0x1FFF); // Reset Bank
readData_ATARI(0x1FF9 + w); // Set Bank
for (int z = 1; z < 7; z++) {
sdBuffer[z] = readData_ATARI(0x1FF9 + z); // 0x1FFA-0x1FFF
}
myFile.write(sdBuffer, 7);
}
// Reset Bank
readData_ATARI(0x1FF9);
readData_ATARI(0x1FFF);
readData_ATARI(0x1FFC);
break;
case 0xFA: // FA Mapper 12KB
for (int x = 0; x < 0x3; x++) {
writeData_ATARI(0x1FF8 + x, 0x1); // Set Bank with D0 HIGH
readSegment_ATARI(0x1000, 0x1E00);
// Split Read of Last 0x200 bytes
for (int y = 0; y < 0x1F8; y++) {
sdBuffer[y] = readData_ATARI(0x1E00 + y);
}
myFile.write(sdBuffer, 504);
for (int z = 0; z < 8; z++) {
// Set Bank to ensure 0x1FFB-0x1FFF is correct
writeData_ATARI(0x1FF8 + x, 0x1); // Set Bank with D0 HIGH
sdBuffer[z] = readData_ATARI(0x1FF8 + z);
}
myFile.write(sdBuffer, 8);
}
break;
case 0xFE: // FE Mapper 8KB
for (int x = 0; x < 0x2; x++) {
writeData_ATARI(0x01FE, 0xF0 ^ (x << 5));
writeData_ATARI(0x01FF, 0xF0 ^ (x << 5));
readSegment_ATARI(0x1000, 0x2000);
}
break;
case 0x0A: // UA Mapper 8KB
readData_ATARI(0x220);
readSegment_ATARI(0x1000, 0x2000);
readData_ATARI(0x240);
readSegment_ATARI(0x1000, 0x2000);
break;
}
myFile.close();
unsigned long crcsize = ATARI[atarisize] * 0x400;
// Correct E7 Size for 8K/12K ROMs
if (atarimapper == 0xE7) {
if (e7size == 0)
crcsize = ATARI[atarisize] * 0x200;
else if (e7size == 1)
crcsize = ATARI[atarisize] * 0x300;
}
calcCRC(fileName, crcsize, NULL, 0);
println_Msg(F(""));
print_STR(press_button_STR, 1);
display_Update();
wait();
}
//******************************************
// ROM SIZE
//******************************************
void checkStatus_ATARI() {
EEPROM_readAnything(7, atarimapper);
EEPROM_readAnything(8, atarisize);
if (atarisize > 6) {
atarisize = 1; // default 4KB
EEPROM_writeAnything(8, atarisize);
}
#if (defined(enable_OLED) || defined(enable_LCD))
display_Clear();
println_Msg(F("ATARI 2600 READER"));
println_Msg(F("CURRENT SETTINGS"));
println_Msg(F(""));
print_Msg(F("MAPPER: "));
if (atarimapper == 0x20)
println_Msg(F("2K"));
else if (atarimapper == 0x40)
println_Msg(F("4K"));
else if (atarimapper == 0x0A)
println_Msg(F("UA"));
else if (atarimapper == 0xC0)
println_Msg(F("CV"));
else if (atarimapper == 0xD0)
println_Msg(F("DPC"));
else if (atarimapper == 0xF9)
println_Msg(F("TP"));
else
println_Msg(atarimapper, HEX);
print_Msg(F("ROM SIZE: "));
if (atarimapper == 0xD0)
print_Msg(F("10"));
else
print_Msg(ATARI[atarisize]);
println_Msg(F("K"));
display_Update();
wait();
#else
Serial.print(F("MAPPER: "));
if (atarimapper == 0x20)
Serial.println(F("2K"));
else if (atarimapper == 0x40)
Serial.println(F("4K"));
else if (atarimapper == 0x0A)
Serial.println(F("UA"));
else if (atarimapper == 0xC0)
Serial.println(F("CV"));
else if (atarimapper == 0xD0)
Serial.println(F("DPC"));
else if (atarimapper == 0xF9)
Serial.println(F("TP"));
else
Serial.println(atarimapper, HEX);
Serial.print(F("ROM SIZE: "));
if (atarimapper == 0xD0)
Serial.print(F("10"));
else
Serial.print(ATARI[atarisize]);
Serial.println(F("K"));
Serial.println(F(""));
#endif
}
//******************************************
// SET MAPPER
//******************************************
void setMapper_ATARI() {
#if (defined(enable_OLED) || defined(enable_LCD))
int b = 0;
int i = 0;
// Check Button Status
#if defined(enable_OLED)
buttonVal1 = (PIND & (1 << 7)); // PD7
#elif defined(enable_LCD)
boolean buttonVal1 = (PING & (1 << 2)); //PG2
#endif
if (buttonVal1 == LOW) { // Button Pressed
while (1) { // Scroll Mapper List
#if defined(enable_OLED)
buttonVal1 = (PIND & (1 << 7)); // PD7
#elif defined(enable_LCD)
buttonVal1 = (PING & (1 << 2)); //PG2
#endif
if (buttonVal1 == HIGH) { // Button Released
// Correct Overshoot
if (i == 0)
i = atarimapcount - 1;
else
i--;
break;
}
display_Clear();
print_Msg(F("Mapper: "));
atariindex = i * 2;
atarimapselect = pgm_read_byte(atarimapsize + atariindex);
if (atarimapselect == 0x20)
println_Msg(F("2K"));
else if (atarimapselect == 0x40)
println_Msg(F("4K"));
else if (atarimapselect == 0x0A)
println_Msg(F("UA"));
else if (atarimapselect == 0xC0)
println_Msg(F("CV"));
else if (atarimapselect == 0xD0)
println_Msg(F("DPC"));
else if (atarimapselect == 0xF9)
println_Msg(F("TP"));
else
println_Msg(atarimapselect, HEX);
display_Update();
if (i == (atarimapcount - 1))
i = 0;
else
i++;
delay(250);
}
}
display_Clear();
print_Msg(F("Mapper: "));
atariindex = i * 2;
atarimapselect = pgm_read_byte(atarimapsize + atariindex);
if (atarimapselect == 0x20)
println_Msg(F("2K"));
else if (atarimapselect == 0x40)
println_Msg(F("4K"));
else if (atarimapselect == 0x0A)
println_Msg(F("UA"));
else if (atarimapselect == 0xC0)
println_Msg(F("CV"));
else if (atarimapselect == 0xD0)
println_Msg(F("DPC"));
else if (atarimapselect == 0xF9)
println_Msg(F("TP"));
else
println_Msg(atarimapselect, HEX);
println_Msg(F(""));
#if defined(enable_OLED)
print_STR(press_to_change_STR, 1);
print_STR(right_to_select_STR, 1);
#elif defined(enable_LCD)
print_STR(rotate_to_change_STR, 1);
print_STR(press_to_select_STR, 1);
#endif
display_Update();
while (1) {
b = checkButton();
if (b == 2) { // Previous Mapper (doubleclick)
if (i == 0)
i = atarimapcount - 1;
else
i--;
// Only update display after input because of slow LCD library
display_Clear();
print_Msg(F("Mapper: "));
atariindex = i * 2;
atarimapselect = pgm_read_byte(atarimapsize + atariindex);
if (atarimapselect == 0x20)
println_Msg(F("2K"));
else if (atarimapselect == 0x40)
println_Msg(F("4K"));
else if (atarimapselect == 0x0A)
println_Msg(F("UA"));
else if (atarimapselect == 0xC0)
println_Msg(F("CV"));
else if (atarimapselect == 0xD0)
println_Msg(F("DPC"));
else if (atarimapselect == 0xF9)
println_Msg(F("TP"));
else
println_Msg(atarimapselect, HEX);
println_Msg(F(""));
#if defined(enable_OLED)
print_STR(press_to_change_STR, 1);
print_STR(right_to_select_STR, 1);
#elif defined(enable_LCD)
print_STR(rotate_to_change_STR, 1);
print_STR(press_to_select_STR, 1);
#endif
display_Update();
}
if (b == 1) { // Next Mapper (press)
if (i == (atarimapcount - 1))
i = 0;
else
i++;
// Only update display after input because of slow LCD library
display_Clear();
print_Msg(F("Mapper: "));
atariindex = i * 2;
atarimapselect = pgm_read_byte(atarimapsize + atariindex);
if (atarimapselect == 0x20)
println_Msg(F("2K"));
else if (atarimapselect == 0x40)
println_Msg(F("4K"));
else if (atarimapselect == 0x0A)
println_Msg(F("UA"));
else if (atarimapselect == 0xC0)
println_Msg(F("CV"));
else if (atarimapselect == 0xD0)
println_Msg(F("DPC"));
else if (atarimapselect == 0xF9)
println_Msg(F("TP"));
else
println_Msg(atarimapselect, HEX);
println_Msg(F(""));
#if defined(enable_OLED)
print_STR(press_to_change_STR, 1);
print_STR(right_to_select_STR, 1);
#elif defined(enable_LCD)
print_STR(rotate_to_change_STR, 1);
print_STR(press_to_select_STR, 1);
#endif
display_Update();
}
if (b == 3) { // Long Press - Execute (hold)
newatarimapper = atarimapselect;
break;
}
}
display.setCursor(0, 56);
print_Msg(F("MAPPER "));
if (newatarimapper == 0x20)
println_Msg(F("2K"));
else if (newatarimapper == 0x40)
println_Msg(F("4K"));
if (newatarimapper == 0x0A)
print_Msg(F("UA"));
else if (newatarimapper == 0xC0)
print_Msg(F("CV"));
else if (newatarimapper == 0xD0)
println_Msg(F("DPC"));
else if (newatarimapper == 0xF9)
println_Msg(F("TP"));
else
print_Msg(newatarimapper, HEX);
println_Msg(F(" SELECTED"));
display_Update();
delay(1000);
#else
setmapper:
String newmap;
Serial.println(F("SUPPORTED MAPPERS:"));
Serial.println(F("0 = 2K [Standard 2K]"));
Serial.println(F("1 = 3F [Tigervision]"));
Serial.println(F("2 = 4K [Standard 4K]"));
Serial.println(F("3 = CV [Commavid]"));
Serial.println(F("4 = DPC [Pitfall II]"));
Serial.println(F("5 = E0 [Parker Bros]"));
Serial.println(F("6 = E7 [M-Network]"));
Serial.println(F("7 = F0 [Megaboy]"));
Serial.println(F("8 = F4 [Atari 32K]"));
Serial.println(F("9 = F6 [Atari 16K]"));
Serial.println(F("10 = F8 [Atari 8K]"));
Serial.println(F("11 = FA [CBS RAM Plus]"));
Serial.println(F("12 = FE [Activision]"));
Serial.println(F("13 = TP [Time Pilot 8K]"));
Serial.println(F("14 = UA [UA Ltd]"));
Serial.print(F("Enter Mapper [0-14]: "));
while (Serial.available() == 0) {}
newmap = Serial.readStringUntil('\n');
Serial.println(newmap);
atariindex = newmap.toInt() * 2;
newatarimapper = pgm_read_byte(atarimapsize + atariindex);
#endif
EEPROM_writeAnything(7, newatarimapper);
atarimapper = newatarimapper;
atarisize = pgm_read_byte(atarimapsize + atariindex + 1);
EEPROM_writeAnything(8, atarisize);
}
//******************************************
// CART SELECT CODE
//******************************************
FsFile ataricsvFile;
char atarigame[36]; // title
char atarimm[4]; // mapper
char atarill[4]; // linelength (previous line)
unsigned long ataricsvpos; // CSV File Position
char ataricartCSV[] = "ataricart.txt"; // CSV List
char ataricsvEND[] = "EOF"; // CSV End Marker for scrolling
bool readLine_ATARI(FsFile& f, char* line, size_t maxLen) {
for (size_t n = 0; n < maxLen; n++) {
int c = f.read();
if (c < 0 && n == 0) return false; // EOF
if (c < 0 || c == '\n') {
line[n] = 0;
return true;
}
line[n] = c;
}
return false; // line too long
}
bool readVals_ATARI(char* atarigame, char* atarimm, char* atarill) {
char line[42];
ataricsvpos = ataricsvFile.position();
if (!readLine_ATARI(ataricsvFile, line, sizeof(line))) {
return false; // EOF or too long
}
char* comma = strtok(line, ",");
int x = 0;
while (comma != NULL) {
if (x == 0)
strcpy(atarigame, comma);
else if (x == 1)
strcpy(atarimm, comma);
else if (x == 2)
strcpy(atarill, comma);
comma = strtok(NULL, ",");
x += 1;
}
return true;
}
bool getCartListInfo_ATARI() {
bool buttonreleased = 0;
bool cartselected = 0;
#if (defined(enable_OLED) || defined(enable_LCD))
display_Clear();
println_Msg(F(" HOLD TO FAST CYCLE"));
display_Update();
#else
Serial.println(F("HOLD BUTTON TO FAST CYCLE"));
#endif
delay(2000);
#if defined(enable_OLED)
buttonVal1 = (PIND & (1 << 7)); // PD7
#elif defined(enable_LCD)
boolean buttonVal1 = (PING & (1 << 2)); //PG2
#endif
if (buttonVal1 == LOW) { // Button Held - Fast Cycle
while (1) { // Scroll Game List
while (readVals_ATARI(atarigame, atarimm, atarill)) {
if (strcmp(ataricsvEND, atarigame) == 0) {
ataricsvFile.seek(0); // Restart
} else {
#if (defined(enable_OLED) || defined(enable_LCD))
display_Clear();
println_Msg(F("CART TITLE:"));
println_Msg(F(""));
println_Msg(atarigame);
display_Update();
#else
Serial.print(F("CART TITLE:"));
Serial.println(atarigame);
#endif
#if defined(enable_OLED)
buttonVal1 = (PIND & (1 << 7)); // PD7
#elif defined(enable_LCD)
buttonVal1 = (PING & (1 << 2)); //PG2
#endif
if (buttonVal1 == HIGH) { // Button Released
buttonreleased = 1;
break;
}
if (buttonreleased) {
buttonreleased = 0; // Reset Flag
break;
}
}
}
#if defined(enable_OLED)
buttonVal1 = (PIND & (1 << 7)); // PD7
#elif defined(enable_LCD)
buttonVal1 = (PING & (1 << 2)); //PG2
#endif
if (buttonVal1 == HIGH) // Button Released
break;
}
}
#if (defined(enable_OLED) || defined(enable_LCD))
display.setCursor(0, 56);
println_Msg(F("FAST CYCLE OFF"));
display_Update();
#else
Serial.println(F(""));
Serial.println(F("FAST CYCLE OFF"));
Serial.println(F("PRESS BUTTON TO STEP FORWARD"));
Serial.println(F("DOUBLE CLICK TO STEP BACK"));
Serial.println(F("HOLD TO SELECT"));
Serial.println(F(""));
#endif
while (readVals_ATARI(atarigame, atarimm, atarill)) {
if (strcmp(ataricsvEND, atarigame) == 0) {
ataricsvFile.seek(0); // Restart
} else {
#if (defined(enable_OLED) || defined(enable_LCD))
display_Clear();
println_Msg(F("CART TITLE:"));
println_Msg(F(""));
println_Msg(atarigame);
display.setCursor(0, 48);
#if defined(enable_OLED)
print_STR(press_to_change_STR, 1);
print_STR(right_to_select_STR, 1);
#elif defined(enable_LCD)
print_STR(rotate_to_change_STR, 1);
print_STR(press_to_select_STR, 1);
#endif
display_Update();
#else
Serial.print(F("CART TITLE:"));
Serial.println(atarigame);
#endif
while (1) { // Single Step
int b = checkButton();
if (b == 1) { // Continue (press)
break;
}
if (b == 2) { // Reset to Start of List (doubleclick)
byte prevline = strtol(atarill, NULL, 10);
ataricsvpos -= prevline;
ataricsvFile.seek(ataricsvpos);
break;
}
if (b == 3) { // Long Press - Select Cart (hold)
newatarimapper = strtol(atarimm, NULL, 10);
EEPROM_writeAnything(7, newatarimapper);
cartselected = 1; // SELECTION MADE
#if (defined(enable_OLED) || defined(enable_LCD))
println_Msg(F("SELECTION MADE"));
display_Update();
#else
Serial.println(F("SELECTION MADE"));
#endif
break;
}
}
if (cartselected) {
cartselected = 0; // Reset Flag
return true;
}
}
}
#if (defined(enable_OLED) || defined(enable_LCD))
println_Msg(F(""));
println_Msg(F("END OF FILE"));
display_Update();
#else
Serial.println(F("END OF FILE"));
#endif
return false;
}
void checkCSV_ATARI() {
if (getCartListInfo_ATARI()) {
#if (defined(enable_OLED) || defined(enable_LCD))
display_Clear();
println_Msg(F("CART SELECTED"));
println_Msg(F(""));
println_Msg(atarigame);
display_Update();
// Display Settings
display.setCursor(0, 56);
print_Msg(F("CODE: "));
println_Msg(newatarimapper, HEX);
display_Update();
#else
Serial.println(F(""));
Serial.println(F("CART SELECTED"));
Serial.println(atarigame);
// Display Settings
Serial.print(F("CODE: "));
Serial.println(newatarimapper, HEX);
Serial.println(F(""));
#endif
} else {
#if (defined(enable_OLED) || defined(enable_LCD))
display.setCursor(0, 56);
println_Msg(F("NO SELECTION"));
display_Update();
#else
Serial.println(F("NO SELECTION"));
#endif
}
}
void checkSize_ATARI() {
EEPROM_readAnything(7, atarimapper);
for (int i = 0; i < atarimapcount; i++) {
atariindex = i * 2;
if (atarimapper == pgm_read_byte(atarimapsize + atariindex)) {
atarisize = pgm_read_byte(atarimapsize + atariindex + 1);
EEPROM_writeAnything(8, atarisize);
break;
}
}
}
void setCart_ATARI() {
#if (defined(enable_OLED) || defined(enable_LCD))
display_Clear();
println_Msg(ataricartCSV);
display_Update();
#endif
sd.chdir();
sprintf(folder, "ATARI/CSV");
sd.chdir(folder); // Switch Folder
ataricsvFile = sd.open(ataricartCSV, O_READ);
if (!ataricsvFile) {
#if (defined(enable_OLED) || defined(enable_LCD))
display_Clear();
println_Msg(F("CSV FILE NOT FOUND!"));
display_Update();
#else
Serial.println(F("CSV FILE NOT FOUND!"));
#endif
while (1) {
if (checkButton() != 0)
setup_ATARI();
}
}
checkCSV_ATARI();
ataricsvFile.close();
checkSize_ATARI();
}
#endif
//******************************************
// End of File
//******************************************