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https://github.com/sanni/cartreader.git
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Detect flash chip
This commit is contained in:
Roger Braunstein
parent
6fc56b5ed6
commit
2abde7f2fc
@ -2,12 +2,14 @@
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// PC Engine & TurboGrafx dump code by tamanegi_taro
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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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// June 29th 2024 Revision 1.0.3 Added ichigobankai repro HuCard writing
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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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// partlyhuman - repro HuCard support
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//
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//******************************************
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#ifdef ENABLE_PCE
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@ -15,15 +17,15 @@
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/******************************************
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Defines
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*****************************************/
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#define HUCARD 0
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#define TURBOCHIP 1
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#define HUCARD_NOSWAP 2
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#define PCE_FLASH 3
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#define DETECTION_SIZE 64
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#define FORCED_SIZE 1024
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#define CHKSUM_SKIP 0
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#define CHKSUM_OK 1
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#define CHKSUM_ERROR 2
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enum PCE_MODE_T : uint8_t { HUCARD,
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TURBOCHIP,
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HUCARD_NOSWAP,
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PCE_FLASH };
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/******************************************
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Prototype Declarations
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@ -54,7 +56,7 @@ uint8_t tennokoe_bank_index = 0;
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static const char pceMenuItem1[] PROGMEM = "HuCARD (swapped)";
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static const char pceMenuItem2[] PROGMEM = "HuCARD(not swapped)";
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static const char pceMenuItem3[] PROGMEM = "Turbochip";
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static const char pceMenuItem4[] PROGMEM = "Flash Repro (SST)";
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static const char pceMenuItem4[] PROGMEM = "HuCARD Flash Repro";
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static const char *const menuOptionspce[] PROGMEM = { pceMenuItem1, pceMenuItem2, pceMenuItem3, pceMenuItem4, FSTRING_RESET };
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// PCE card menu items
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@ -70,8 +72,8 @@ static const char *const menuOptionspceTC[] PROGMEM = { FSTRING_READ_ROM, FSTRIN
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#ifdef ENABLE_FLASH
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// Flash repro menu items
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static const char menuOptionspceFlash1[] PROGMEM = "Flash (PCE)";
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static const char *const menuOptionspceFlash[] PROGMEM = { menuOptionspceFlash1, FSTRING_RESET };
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// static const char menuOptionspceFlash1[] PROGMEM = "Program";
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static const char *const menuOptionspceFlash[] PROGMEM = { flashMenuItemWrite, FSTRING_RESET };
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#endif
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// PCE start menu, first a device type is selected and set in pce_internal_mode
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@ -247,7 +249,7 @@ uint8_t read_byte_PCE(uint32_t address) {
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ret = PINC;
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//Swap bit order for PC Engine HuCARD
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if (pce_internal_mode == HUCARD) {
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if (pce_internal_mode == HUCARD || pce_internal_mode == PCE_FLASH) {
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ret = ((ret & 0x01) << 7) | ((ret & 0x02) << 5) | ((ret & 0x04) << 3) | ((ret & 0x08) << 1) | ((ret & 0x10) >> 1) | ((ret & 0x20) >> 3) | ((ret & 0x40) >> 5) | ((ret & 0x80) >> 7);
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}
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@ -822,16 +824,67 @@ void read_rom_PCE(void) {
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crc_search(fileName, folder, rom_size, crc);
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println_Msg(FS(FSTRING_EMPTY));
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print_STR(press_button_STR, 1);
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print_STR(press_button_STR, true);
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display_Update();
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wait();
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}
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#ifdef ENABLE_FLASH
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// Write flashrom
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void flash_mode_PCE() {
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pin_read_write_PCE();
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data_output_PCE();
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PORTH |= (1 << 3); // RD HIGH
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// write_byte_PCE sets WR
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}
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void flash_PCE() {
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// TODO identify size by ID?
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flashSize = 524288; //4Mbit SST39SF040
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// SOFTWARE ID PROGRAM
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flash_mode_PCE();
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write_byte_PCE(0x5555, 0xAA);
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write_byte_PCE(0x2AAA, 0x55);
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write_byte_PCE(0x5555, 0x90);
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data_input_PCE();
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// tIDA = 150ns
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delayMicroseconds(1);
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// MFG,DEVICE
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uint16_t deviceId = (read_byte_PCE(0x0) << 8) | read_byte_PCE(0x1);
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// EXIT SOFTWARE ID PROGRAM
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flash_mode_PCE();
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write_byte_PCE(0x5555, 0xAA);
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write_byte_PCE(0x2AAA, 0x55);
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write_byte_PCE(0x5555, 0xF0);
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flashSize = 0;
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switch (deviceId) {
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case 0xBFB5:
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// SST39SF010A = 1Mbit
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flashSize = 131072UL;
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break;
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case 0xBFB6:
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// SST39SF020A = 2Mbit
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flashSize = 262144UL;
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break;
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case 0xBFB7:
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// SST39SF040 = 4Mbit
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flashSize = 524288UL;
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break;
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}
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if (flashSize <= 0) {
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println_Msg(F("FLASH NOT DETECTED"));
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display_Update();
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wait();
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resetArduino();
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return;
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} else {
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print_Msg(FS(FSTRING_SIZE));
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print_Msg(flashSize / 131072UL);
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println_Msg(F("Mbit"));
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display_Update();
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wait();
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}
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filePath[0] = '\0';
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sd.chdir("/");
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fileBrowser(FS(FSTRING_SELECT_FILE));
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@ -839,58 +892,53 @@ void flash_PCE() {
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if (openFlashFile()) {
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println_Msg(F("Erasing..."));
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print_STR(flashing_file_STR, true);
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display_Update();
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pin_read_write_PCE();
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data_output_PCE();
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PORTH |= (1 << 3); // RD HIGH
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// CHIP ERASE PROGRAM
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flash_mode_PCE();
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write_byte_PCE(0x5555, 0xAA);
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write_byte_PCE(0x2AAA, 0x55);
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write_byte_PCE(0x5555, 0x80);
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write_byte_PCE(0x5555, 0xAA);
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write_byte_PCE(0x2AAA, 0x55);
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write_byte_PCE(0x5555, 0x10);
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// TSCE = 100ms
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// tSCE = 100ms
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delay(100);
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pin_init_PCE();
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println_Msg(F("Writing flash"));
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display_Update();
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pin_read_write_PCE();
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data_output_PCE();
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PORTH |= (1 << 3); // RD HIGH
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uint32_t processedProgressBar = 0;
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uint32_t totalProgressBar = (uint32_t)fileSize;
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draw_progressbar(0, totalProgressBar);
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for (unsigned long currAddr = 0; currAddr < fileSize; currAddr += 512) {
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myFile.read(sdBuffer, 512);
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flash_mode_PCE();
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const size_t BUFSIZE = 512;
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for (unsigned long currAddr = 0; currAddr < fileSize; currAddr += BUFSIZE) {
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myFile.read(sdBuffer, BUFSIZE);
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if (currAddr % 4096 == 0) {
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blinkLED();
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}
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for (int currByte = 0; currByte < 512; currByte++) {
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for (int currByte = 0; currByte < BUFSIZE; currByte++) {
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// BYTE PROGRAM
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write_byte_PCE(0x5555, 0xAA);
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write_byte_PCE(0x2AAA, 0x55);
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write_byte_PCE(0x5555, 0xA0);
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write_byte_PCE(currAddr + currByte, sdBuffer[currByte]);
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// TODO could use toggle bit or data complement
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// TBP = 20us
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// Could detect status with toggle bit or data complement, but already quite fast
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// tBP = 20us
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delayMicroseconds(20);
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}
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// update progress bar
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processedProgressBar += 512;
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processedProgressBar += BUFSIZE;
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draw_progressbar(processedProgressBar, totalProgressBar);
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}
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myFile.close();
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pin_init_PCE();
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println_Msg(FS(FSTRING_OK));
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print_STR(done_STR, true);
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}
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display_Update();
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wait();
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@ -950,8 +998,7 @@ void pceMenu() {
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resetArduino();
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break;
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}
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}
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else if (pce_internal_mode == TURBOCHIP) {
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} else if (pce_internal_mode == TURBOCHIP) {
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// Copy menuOptions out of progmem
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convertPgm(menuOptionspceTC, 2);
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mainMenu = question_box(F("TG TurboChip menu"), menuOptions, 2, 0);
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@ -975,7 +1022,6 @@ void pceMenu() {
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switch (mainMenu) {
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case 0:
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// Format/erase
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flash_PCE();
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break;
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