mirror of https://github.com/sanni/cartreader.git
526 lines
14 KiB
C++
526 lines
14 KiB
C++
//******************************************
|
|
// ATARI 5200 MODULE
|
|
//******************************************
|
|
#ifdef ENABLE_5200
|
|
// Atari 5200
|
|
// Cartridge Pinout
|
|
// 36P 2.54mm pitch connector
|
|
//
|
|
// RIGHT
|
|
// +-------+
|
|
// INTERLOCK -| 18 19 |- A0
|
|
// A2 -| 17 20 |- A1
|
|
// L A5 -| 16 21 |- A3
|
|
// A A6 -| 15 22 |- A4 B
|
|
// B GND -| 14 23 |- GND O
|
|
// E GND -| 13 24 |- GND T
|
|
// L GND -| 12 25 |- GND T
|
|
// N/C -| 11 26 |- +5V O
|
|
// /ENABLE 4000-7FFF -| 10 27 |- A7 M
|
|
// /ENABLE 8000-BFFF -| 9 28 |- N/C
|
|
// D7 -| 8 29 |- A8 S
|
|
// S D6 -| 7 30 |- AUD I
|
|
// I D5 -| 6 31 |- A9 D
|
|
// D D4 -| 5 32 |- A13 E
|
|
// E D3 -| 4 33 |- A10
|
|
// D2 -| 3 34 |- A12
|
|
// D1 -| 2 35 |- A11
|
|
// D0 -| 1 36 |- INTERLOCK
|
|
// +-------+
|
|
// LEFT
|
|
//
|
|
// LABEL SIDE
|
|
//
|
|
// /EN /EN
|
|
// D0 D1 D2 D3 D4 D5 D6 D7 80 40 -- GND GND GND A6 A5 A2 INT
|
|
// +--------------------------------------------------------------------------+
|
|
// | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
|
|
// LEFT | | RIGHT
|
|
// | 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 |
|
|
// +--------------------------------------------------------------------------+
|
|
// INT A11 A12 A10 A13 A9 AUD A8 -- A7 +5V GND GND GND A4 A3 A1 A0
|
|
//
|
|
// BOTTOM SIDE
|
|
|
|
// CONTROL PINS:
|
|
// /4000(PH5) - SNES /WR
|
|
// /8000(PH6) - SNES /RD
|
|
|
|
//******************************************
|
|
// Defines
|
|
//******************************************
|
|
#define DISABLE_4000 PORTH |= (1 << 5) // ROM SELECT 4000-7FFF
|
|
#define ENABLE_4000 PORTH &= ~(1 << 5)
|
|
#define DISABLE_8000 PORTH |= (1 << 6) // ROM SELECT 8000-BFFF
|
|
#define ENABLE_8000 PORTH &= ~(1 << 6)
|
|
|
|
//******************************************
|
|
// Supported Mappers
|
|
//******************************************
|
|
// Supported Mapper Array
|
|
// Format = {mapper,romsizelo,romsizehi}
|
|
static const byte PROGMEM a5200mapsize[] = {
|
|
0, 0, 3, // Standard 4K/8K/16K/32K
|
|
1, 2, 2, // Two Chip 16K
|
|
2, 4, 4, // Bounty Bob Strikes Back 40K [UNTESTED]
|
|
};
|
|
|
|
byte a5200mapcount = 3; // (sizeof(a5200mapsize) / sizeof(a5200mapsize[0])) / 3;
|
|
byte a5200mapselect;
|
|
int a5200index;
|
|
|
|
byte a5200[] = { 4, 8, 16, 32, 40 };
|
|
byte a5200lo = 0; // Lowest Entry
|
|
byte a5200hi = 4; // Highest Entry
|
|
byte a5200mapper = 0;
|
|
byte a5200size;
|
|
|
|
// EEPROM MAPPING
|
|
// 07 MAPPER
|
|
// 08 ROM SIZE
|
|
|
|
//******************************************
|
|
// Menu
|
|
//******************************************
|
|
// Base Menu
|
|
static const char* const menuOptions5200[] PROGMEM = { FSTRING_SELECT_CART, FSTRING_READ_ROM, FSTRING_SET_SIZE, FSTRING_RESET };
|
|
|
|
void setup_5200() {
|
|
// Request 5V
|
|
setVoltage(VOLTS_SET_5V);
|
|
|
|
// Set Address Pins to Output
|
|
// Atari 5200 uses A0-A13 [A14-A23 UNUSED]
|
|
//A0-A7
|
|
DDRF = 0xFF;
|
|
//A8-A15
|
|
DDRK = 0xFF;
|
|
//A16-A23
|
|
DDRL = 0xFF;
|
|
|
|
// Set Control Pins to Output
|
|
// ---(PH0) ---(PH1) ---(PH3) ---(PH4) /4000(PH5) /8000(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
|
|
// ---(PH0) ---(PH1) ---(PH3) ---(PH4) /4000(PH5) /8000(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_5200();
|
|
strcpy(romName, "ATARI");
|
|
|
|
mode = CORE_5200;
|
|
}
|
|
|
|
void a5200Menu() {
|
|
convertPgm(menuOptions5200, 4);
|
|
uint8_t mainMenu = question_box(F("ATARI 5200 MENU"), menuOptions, 4, 0);
|
|
|
|
switch (mainMenu) {
|
|
case 0:
|
|
// Select Cart
|
|
setCart_5200();
|
|
setup_5200();
|
|
break;
|
|
|
|
case 1:
|
|
// Read ROM
|
|
sd.chdir("/");
|
|
readROM_5200();
|
|
sd.chdir("/");
|
|
break;
|
|
|
|
case 2:
|
|
// Set Mapper + Size
|
|
setMapper_5200();
|
|
checkMapperSize_5200();
|
|
setROMSize_5200();
|
|
break;
|
|
|
|
case 3:
|
|
// reset
|
|
resetArduino();
|
|
break;
|
|
}
|
|
}
|
|
|
|
//******************************************
|
|
// READ CODE
|
|
//******************************************
|
|
|
|
uint8_t readData_5200(uint16_t addr) // Add Input Pullup
|
|
{
|
|
PORTF = addr & 0xFF; // A0-A7
|
|
PORTK = (addr >> 8) & 0xFF; // A8-A13
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
|
|
// DDRC = 0x00; // Set to Input
|
|
PORTC = 0xFF; // Input Pullup
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
// Extended Delay for Vanguard
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
|
|
uint8_t ret = PINC;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
|
|
return ret;
|
|
}
|
|
|
|
void readSegment_5200(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_5200(addr + w);
|
|
sdBuffer[w] = temp;
|
|
}
|
|
myFile.write(sdBuffer, 512);
|
|
}
|
|
}
|
|
|
|
//******************************************
|
|
// READ ROM
|
|
//******************************************
|
|
|
|
void readROM_5200() {
|
|
createFolder("5200", "ROM", romName, "a52");
|
|
|
|
display_Clear();
|
|
print_STR(saving_to_STR, 0);
|
|
print_Msg(folder);
|
|
println_Msg(F("/..."));
|
|
display_Update();
|
|
|
|
// open file on sdcard
|
|
if (!myFile.open(fileName, O_RDWR | O_CREAT))
|
|
print_FatalError(sd_error_STR);
|
|
|
|
// write new folder number back to EEPROM
|
|
foldern++;
|
|
EEPROM_writeAnything(0, foldern);
|
|
|
|
// 5200 A13-A0 = 10 0000 0000 0000
|
|
|
|
switch (a5200mapper) {
|
|
case 0: // Standard 4KB/8KB/16KB/32KB
|
|
// Lower Half of 32K is at 0x4000
|
|
if (a5200size == 3) { // 32K
|
|
ENABLE_4000;
|
|
readSegment_5200(0x4000, 0x8000); // +16K = 32K
|
|
DISABLE_4000;
|
|
}
|
|
// 4K/8K/16K + Upper Half of 32K
|
|
ENABLE_8000;
|
|
if (a5200size > 1)
|
|
readSegment_5200(0x8000, 0xA000); // +8K = 16K
|
|
if (a5200size > 0)
|
|
readSegment_5200(0xA000, 0xB000); // +4K = 8K
|
|
// Base 4K
|
|
readSegment_5200(0xB000, 0xC000); // 4K
|
|
DISABLE_8000;
|
|
break;
|
|
|
|
case 1: // Two Chip 16KB
|
|
ENABLE_4000;
|
|
readSegment_5200(0x4000, 0x6000); // 8K
|
|
DISABLE_4000;
|
|
ENABLE_8000;
|
|
readSegment_5200(0x8000, 0xA000); // +8K = 16K
|
|
DISABLE_8000;
|
|
break;
|
|
|
|
case 2: // Bounty Bob Strikes Back 40KB [UNTESTED]
|
|
ENABLE_4000;
|
|
// First 16KB (4KB x 4)
|
|
for (int w = 0; w < 4; w++) {
|
|
readData_5200(0x4FF6 + w);
|
|
readSegment_5200(0x4000, 0x4E00);
|
|
// Split Read of Last 0x200 bytes
|
|
for (int x = 0; x < 0x1F6; x++) {
|
|
sdBuffer[x] = readData_5200(0x4E00 + x);
|
|
}
|
|
myFile.write(sdBuffer, 502);
|
|
// Bank Registers 0x4FF6-0x4FF9
|
|
for (int y = 0; y < 4; y++) {
|
|
readData_5200(0x4FFF); // Reset Bank
|
|
sdBuffer[y] = readData_5200(0x4FF6 + y);
|
|
}
|
|
// End of Bank 0x4FFA-0x4FFF
|
|
readData_5200(0x4FFF); // Reset Bank
|
|
readData_5200(0x4FF6 + w); // Set Bank
|
|
for (int z = 4; z < 10; z++) {
|
|
sdBuffer[z] = readData_5200(0x4FF6 + z); // 0x4FFA-0x4FFF
|
|
}
|
|
myFile.write(sdBuffer, 10);
|
|
}
|
|
readData_5200(0x4FFF); // Reset Bank
|
|
// Second 16KB (4KB x 4)
|
|
for (int w = 0; w < 4; w++) {
|
|
readData_5200(0x5FF6 + w);
|
|
readSegment_5200(0x5000, 0x5E00);
|
|
// Split Read of Last 0x200 bytes
|
|
for (int x = 0; x < 0x1F6; x++) {
|
|
sdBuffer[x] = readData_5200(0x5E00 + x);
|
|
}
|
|
myFile.write(sdBuffer, 502);
|
|
// Bank Registers 0x5FF6-0x5FF9
|
|
for (int y = 0; y < 4; y++) {
|
|
readData_5200(0x5FFF); // Reset Bank
|
|
sdBuffer[y] = readData_5200(0x5FF6 + y);
|
|
}
|
|
// End of Bank 0x5FFA-0x5FFF
|
|
readData_5200(0x5FFF); // Reset Bank
|
|
readData_5200(0x5FF6 + w); // Set Bank
|
|
for (int z = 4; z < 10; z++) {
|
|
sdBuffer[z] = readData_5200(0x5FF6 + z); // 0x5FFA-0x5FFF
|
|
}
|
|
myFile.write(sdBuffer, 10);
|
|
}
|
|
readData_5200(0x5FFF); // Reset Bank
|
|
DISABLE_4000;
|
|
ENABLE_8000;
|
|
readSegment_5200(0x8000, 0xA000); // +8K = 40K
|
|
DISABLE_8000;
|
|
break;
|
|
}
|
|
myFile.close();
|
|
|
|
printCRC(fileName, NULL, 0);
|
|
|
|
println_Msg(FS(FSTRING_EMPTY));
|
|
// Prints string out of the common strings array either with or without newline
|
|
print_STR(press_button_STR, 1);
|
|
display_Update();
|
|
wait();
|
|
}
|
|
|
|
//******************************************
|
|
// ROM SIZE
|
|
//******************************************
|
|
|
|
void println_Mapper5200(byte mapper) {
|
|
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
|
|
if (mapper == 0)
|
|
println_Msg(F("STANDARD"));
|
|
else if (mapper == 1)
|
|
println_Msg(F("TWO CHIP"));
|
|
else if (mapper == 2)
|
|
println_Msg(F("BOUNTY BOB"));
|
|
#else
|
|
if (mapper == 0)
|
|
Serial.println(F("STANDARD"));
|
|
else if (mapper == 1)
|
|
Serial.println(F("TWO CHIP"));
|
|
else if (mapper == 2)
|
|
Serial.println(F("BOUNTY BOB"));
|
|
#endif
|
|
}
|
|
|
|
void checkMapperSize_5200() {
|
|
for (int i = 0; i < a5200mapcount; i++) {
|
|
a5200index = i * 3;
|
|
byte mapcheck = pgm_read_byte(a5200mapsize + a5200index);
|
|
if (mapcheck == a5200mapper) {
|
|
a5200lo = pgm_read_byte(a5200mapsize + a5200index + 1);
|
|
a5200hi = pgm_read_byte(a5200mapsize + a5200index + 2);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
|
|
void printRomSize_5200(int index) {
|
|
display_Clear();
|
|
print_Msg(F("ROM Size: "));
|
|
println_Msg(a5200[index]);
|
|
}
|
|
#endif
|
|
|
|
void setROMSize_5200() {
|
|
byte new5200size;
|
|
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
|
|
display_Clear();
|
|
if (a5200lo == a5200hi)
|
|
new5200size = a5200lo;
|
|
else {
|
|
new5200size = navigateMenu(a5200lo, a5200hi, &printRomSize_5200);
|
|
|
|
display.setCursor(0, 56); // Display selection at bottom
|
|
}
|
|
print_Msg(F("ROM SIZE "));
|
|
print_Msg(a5200[new5200size]);
|
|
println_Msg(F("K"));
|
|
display_Update();
|
|
delay(1000);
|
|
#else
|
|
if (a5200lo == a5200hi)
|
|
new5200size = a5200lo;
|
|
else {
|
|
setrom:
|
|
String sizeROM;
|
|
for (int i = 0; i < (a5200hi - a5200lo + 1); i++) {
|
|
Serial.print(F("Select ROM Size: "));
|
|
Serial.print(i);
|
|
Serial.print(F(" = "));
|
|
Serial.print(a5200[i + a5200lo]);
|
|
Serial.println(F("K"));
|
|
}
|
|
Serial.print(F("Enter ROM Size: "));
|
|
while (Serial.available() == 0) {}
|
|
sizeROM = Serial.readStringUntil('\n');
|
|
Serial.println(sizeROM);
|
|
new5200size = sizeROM.toInt() + a5200lo;
|
|
if (new5200size > a5200hi) {
|
|
Serial.println(F("SIZE NOT SUPPORTED"));
|
|
Serial.println(FS(FSTRING_EMPTY));
|
|
goto setrom;
|
|
}
|
|
}
|
|
Serial.print(F("ROM Size = "));
|
|
Serial.print(a5200[new5200size]);
|
|
Serial.println(F("K"));
|
|
#endif
|
|
EEPROM_writeAnything(8, new5200size);
|
|
a5200size = new5200size;
|
|
}
|
|
|
|
void checkStatus_5200() {
|
|
EEPROM_readAnything(7, a5200mapper);
|
|
EEPROM_readAnything(8, a5200size);
|
|
if (a5200mapper > 2) {
|
|
a5200mapper = 0; // default STANDARD
|
|
EEPROM_writeAnything(7, a5200mapper);
|
|
}
|
|
if (a5200size > 4) {
|
|
a5200size = 1; // default 8K
|
|
EEPROM_writeAnything(8, a5200size);
|
|
}
|
|
|
|
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
|
|
display_Clear();
|
|
println_Msg(F("ATARI 5200 READER"));
|
|
println_Msg(FS(FSTRING_CURRENT_SETTINGS));
|
|
println_Msg(FS(FSTRING_EMPTY));
|
|
print_Msg(F("MAPPER: "));
|
|
println_Msg(a5200mapper);
|
|
println_Mapper5200(a5200mapper);
|
|
print_Msg(F("ROM SIZE: "));
|
|
print_Msg(a5200[a5200size]);
|
|
println_Msg(F("K"));
|
|
display_Update();
|
|
wait();
|
|
#else
|
|
Serial.print(F("MAPPER: "));
|
|
Serial.println(a5200mapper);
|
|
println_Mapper5200(a5200mapper);
|
|
Serial.print(F("ROM SIZE: "));
|
|
Serial.print(a5200[a5200size]);
|
|
Serial.println(F("K"));
|
|
Serial.println(FS(FSTRING_EMPTY));
|
|
#endif
|
|
}
|
|
|
|
//******************************************
|
|
// SET MAPPER
|
|
//******************************************
|
|
|
|
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
|
|
void printMapperSelection_5200(int index) {
|
|
display_Clear();
|
|
print_Msg(F("Mapper: "));
|
|
a5200index = index * 3;
|
|
a5200mapselect = pgm_read_byte(a5200mapsize + a5200index);
|
|
println_Msg(a5200mapselect);
|
|
println_Mapper5200(a5200mapselect);
|
|
}
|
|
#endif
|
|
|
|
void setMapper_5200() {
|
|
byte new5200mapper;
|
|
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
|
|
navigateMenu(0, a5200mapcount - 1, &printMapperSelection_5200);
|
|
new5200mapper = a5200mapselect;
|
|
|
|
display.setCursor(0, 56);
|
|
print_Msg(F("MAPPER "));
|
|
print_Msg(new5200mapper);
|
|
println_Msg(F(" SELECTED"));
|
|
display_Update();
|
|
delay(1000);
|
|
#else
|
|
setmapper:
|
|
String newmap;
|
|
Serial.println(F("SUPPORTED MAPPERS:"));
|
|
Serial.println(F("0 = Standard 4K/8K/16K/32K"));
|
|
Serial.println(F("1 = Two Chip 16K"));
|
|
Serial.println(F("2 = Bounty Bob Strikes Back 40K"));
|
|
Serial.print(F("Enter Mapper [0-2]: "));
|
|
while (Serial.available() == 0) {}
|
|
newmap = Serial.readStringUntil('\n');
|
|
Serial.println(newmap);
|
|
a5200index = newmap.toInt() * 3;
|
|
new5200mapper = pgm_read_byte(a5200mapsize + a5200index);
|
|
#endif
|
|
EEPROM_writeAnything(7, new5200mapper);
|
|
a5200mapper = new5200mapper;
|
|
}
|
|
|
|
//******************************************
|
|
// CART SELECT CODE
|
|
//******************************************
|
|
void setCart_5200() {
|
|
//go to root
|
|
sd.chdir();
|
|
|
|
struct database_entry_mapper_size entry;
|
|
|
|
// Select starting letter
|
|
byte myLetter = starting_letter();
|
|
|
|
// Open database
|
|
if (myFile.open("5200.txt", O_READ)) {
|
|
seek_first_letter_in_database(myFile, myLetter);
|
|
|
|
if(checkCartSelection(myFile, &readDataLineMapperSize, &entry)) {
|
|
EEPROM_writeAnything(7, entry.gameMapper);
|
|
EEPROM_writeAnything(8, entry.gameSize);
|
|
}
|
|
} else {
|
|
print_FatalError(FS(FSTRING_DATABASE_FILE_NOT_FOUND));
|
|
}
|
|
}
|
|
#endif
|