mirror of
https://github.com/sanni/cartreader.git
synced 2024-06-03 02:48:43 +02:00
Update GB.ino
This updates the GBC Gameshark functions to check the Chip ID before performing any other functions, which ensures a good connection with the Gameshark cartridge and prevents erroneous dumps or writes due to poor connection.
This commit is contained in:
Richard Weick
GitHub
parent
c873d3cf9d
commit
0e04c1c1a1
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@ -3363,27 +3363,6 @@ void readGameshark_GB() {
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strcpy(fileName, "Gameshark");
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strcat(fileName, ".GB");
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// create a new folder for the rom file
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EEPROM_readAnything(0, foldern);
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sprintf(folder, "GB/ROM/Gameshark/%d", foldern);
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sd.mkdir(folder, true);
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sd.chdir(folder);
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display_Clear();
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print_STR(saving_to_STR, 0);
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print_Msg(folder);
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println_Msg(F("/..."));
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display_Update();
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// write new folder number back to eeprom
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foldern = foldern + 1;
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EEPROM_writeAnything(0, foldern);
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//open file on sd card
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if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
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print_FatalError(create_file_STR);
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}
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word finalAddress = 0x5FFF;
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word startAddress= 0x4000;
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word bankAddress = 0x7FE1;
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@ -3418,9 +3397,38 @@ void readGameshark_GB() {
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delay(100);
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if (flashid == 0xBFB5) {
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display_Clear();
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println_Msg(F("SST 39SF010"));
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println_Msg(F("Rom Size: 128 KB"));
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display_Update();
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} else {
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display_Clear();
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println_Msg(F("Unknown Flash ID"));
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println_Msg(F("Check Cartridge Connection"));
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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mainMenu();
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}
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// create a new folder for the rom file
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EEPROM_readAnything(0, foldern);
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sprintf(folder, "GB/ROM/Gameshark/%d", foldern);
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sd.mkdir(folder, true);
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sd.chdir(folder);
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print_STR(saving_to_STR, 0);
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print_Msg(folder);
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println_Msg(F("/..."));
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display_Update();
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// write new folder number back to eeprom
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foldern = foldern + 1;
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EEPROM_writeAnything(0, foldern);
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//open file on sd card
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if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
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print_FatalError(create_file_STR);
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}
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// Initialize progress bar
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@ -3430,20 +3438,20 @@ void readGameshark_GB() {
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for (size_t workBank = 0; workBank < romBanks; workBank++) { // Loop over banks
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startAddress = 0x4000;
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startAddress = 0x4000;
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writeByte_GB(bankAddress, (workBank & 0xFF));
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writeByte_GB(bankAddress, (workBank & 0xFF));
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// Read banks and save to SD
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while (startAddress <= finalAddress) {
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for (int i = 0; i < 512; i++) {
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sdBuffer[i] = readByte_GB(startAddress + i);
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}
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myFile.write(sdBuffer, 512);
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startAddress += 512;
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processedProgressBar += 512;
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draw_progressbar(processedProgressBar, totalProgressBar);
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}
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// Read banks and save to SD
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while (startAddress <= finalAddress) {
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for (int i = 0; i < 512; i++) {
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sdBuffer[i] = readByte_GB(startAddress + i);
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}
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myFile.write(sdBuffer, 512);
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startAddress += 512;
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processedProgressBar += 512;
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draw_progressbar(processedProgressBar, totalProgressBar);
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}
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}
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// Close the file:
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@ -3455,28 +3463,13 @@ void readGameshark_GB() {
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****************************************************/
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// Write Datel GBC Gameshark Device
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void writeGameshark_GB() {
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// Launch filebrowser
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filePath[0] = '\0';
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sd.chdir("/");
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fileBrowser(F("Select file"));
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display_Clear();
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// Enable Rom Banks
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readByte_GB(0x101);
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readByte_GB(0x108);
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readByte_GB(0x101);
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delay(100);
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byte byte1;
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bool toggle = true;
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// Create filepath
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sprintf(filePath, "%s/%s", filePath, fileName);
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// Open file on sd card
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if (myFile.open(filePath, O_READ)) {
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// Enable Rom Banks
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readByte_GB(0x101);
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readByte_GB(0x108);
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readByte_GB(0x101);
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delay(100);
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// SST 39SF010 ID command sequence
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// SST 39SF010 ID command sequence
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0xAA);
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writeByte_GB(0x7FE1, 0x1);
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@ -3498,160 +3491,175 @@ void writeGameshark_GB() {
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0xF0);
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if (flashid != 0xBFB5) {
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println_Msg(F("Unknown Flash ID"));
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println_Msg(flashid);
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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mainMenu();
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if (flashid != 0xBFB5) {
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display_Clear();
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println_Msg(F("Unknown Flash ID"));
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println_Msg(F("Check Cartridge Connection"));
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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mainMenu();
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}
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// Launch filebrowser
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filePath[0] = '\0';
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sd.chdir("/");
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fileBrowser(F("Select file"));
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display_Clear();
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byte byte1;
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bool toggle = true;
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// Create filepath
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sprintf(filePath, "%s/%s", filePath, fileName);
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// Open file on sd card
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myFile.open(filePath, O_READ);
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if (flashid == 0xBFB5) {
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println_Msg(F("SST 39SF010"));
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romBanks = 16;
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display_Update();
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println_Msg(F("Erasing flash..."));
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display_Update();
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//Erase flash
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0xAA);
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writeByte_GB(0x7FE1, 0x1);
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writeByte_GB(0x4AAA, 0x55);
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0x80);
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0xAA);
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writeByte_GB(0x7FE1, 0x1);
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writeByte_GB(0x4AAA, 0x55);
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0x10);
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delay(100);
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}
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// Blankcheck
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println_Msg(F("Blankcheck..."));
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display_Update();
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// Read x number of banks
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for (word currBank = 0; currBank < romBanks; currBank++) {
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// Blink led
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blinkLED();
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// Set ROM bank
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writeByte_GB(0x7FE1, currBank);
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for (word currAddr = 0x4000; currAddr < 0x6000; currAddr += 0x200) {
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for (int currByte = 0; currByte < 512; currByte++) {
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sdBuffer[currByte] = readByte_GB(currAddr + currByte);
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}
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for (int j = 0; j < 512; j++) {
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if (sdBuffer[j] != 0xFF) {
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println_Msg(F("Not empty"));
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print_FatalError(F("Erase failed"));
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}
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}
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}
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}
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if (flashid == 0xBFB5) {
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println_Msg(F("SST 39SF010"));
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romBanks = 16;
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display_Update();
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println_Msg(F("Erasing flash..."));
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display_Update();
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println_Msg(F("Writing flash..."));
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display_Update();
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//Erase flash
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0xAA);
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writeByte_GB(0x7FE1, 0x1);
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writeByte_GB(0x4AAA, 0x55);
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0x80);
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0xAA);
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writeByte_GB(0x7FE1, 0x1);
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writeByte_GB(0x4AAA, 0x55);
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0x10);
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delay(100);
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}
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// Write flash
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word currAddr = 0x4000;
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word endAddr = 0x5FFF;
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// Blankcheck
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println_Msg(F("Blankcheck..."));
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display_Update();
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//Initialize progress bar
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uint32_t processedProgressBar = 0;
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uint32_t totalProgressBar = (uint32_t)(romBanks)*8192;
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draw_progressbar(0, totalProgressBar);
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// Read x number of banks
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for (word currBank = 0; currBank < romBanks; currBank++) {
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// Blink led
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blinkLED();
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for (word currBank = 0; currBank < romBanks; currBank++) {
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// Blink led
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blinkLED();
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currAddr = 0x4000;
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while (currAddr <= endAddr) {
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myFile.read(sdBuffer, 512);
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for (int currByte = 0; currByte < 512; currByte++) {
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// Write command sequence
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0xAA);
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writeByte_GB(0x7FE1, 0x1);
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writeByte_GB(0x4AAA, 0x55);
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0xA0);
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// Set ROM bank
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writeByte_GB(0x7FE1, currBank);
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for (word currAddr = 0x4000; currAddr < 0x6000; currAddr += 0x200) {
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for (int currByte = 0; currByte < 512; currByte++) {
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sdBuffer[currByte] = readByte_GB(currAddr + currByte);
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}
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for (int j = 0; j < 512; j++) {
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if (sdBuffer[j] != 0xFF) {
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println_Msg(F("Not empty"));
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print_FatalError(F("Erase failed"));
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}
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}
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toggle = true;
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// Write current byte
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writeByte_GB(currAddr + currByte, sdBuffer[currByte]);
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while (toggle) {
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byte1 = readByte_GB(currAddr + currByte);
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if (byte1 == sdBuffer[currByte]) {
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toggle = false;
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}
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}
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}
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currAddr += 512;
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processedProgressBar += 512;
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draw_progressbar(processedProgressBar, totalProgressBar);
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}
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}
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println_Msg(F("Writing flash..."));
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display_Update();
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display_Clear();
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print_STR(verifying_STR, 0);
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display_Update();
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// Write flash
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word currAddr = 0x4000;
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word endAddr = 0x5FFF;
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// Go back to file beginning
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myFile.seekSet(0);
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//unsigned int addr = 0; // unused
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writeErrors = 0;
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//Initialize progress bar
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uint32_t processedProgressBar = 0;
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uint32_t totalProgressBar = (uint32_t)(romBanks)*8192;
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draw_progressbar(0, totalProgressBar);
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// Verify flashrom
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word romAddress = 0x4000;
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for (word currBank = 0; currBank < romBanks; currBank++) {
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// Blink led
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blinkLED();
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currAddr = 0x4000;
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// Read number of banks and switch banks
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for (word bank = 0; bank < romBanks; bank++) {
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writeByte_GB(0x7FE1, bank); // Set ROM bank
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romAddress = 0x4000;
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while (currAddr <= endAddr) {
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myFile.read(sdBuffer, 512);
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// Blink led
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blinkLED();
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for (int currByte = 0; currByte < 512; currByte++) {
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// Write command sequence
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0xAA);
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writeByte_GB(0x7FE1, 0x1);
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writeByte_GB(0x4AAA, 0x55);
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writeByte_GB(0x7FE1, 0x2);
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writeByte_GB(0x5555, 0xA0);
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// Set ROM bank
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writeByte_GB(0x7FE1, currBank);
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toggle = true;
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// Write current byte
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writeByte_GB(currAddr + currByte, sdBuffer[currByte]);
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while (toggle) {
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byte1 = readByte_GB(currAddr + currByte);
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if (byte1 == sdBuffer[currByte]) {
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toggle = false;
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}
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}
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}
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currAddr += 512;
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processedProgressBar += 512;
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draw_progressbar(processedProgressBar, totalProgressBar);
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// Read up to 1FFF per bank
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while (romAddress < 0x6000) {
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// Fill sdBuffer
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myFile.read(sdBuffer, 512);
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// Compare
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for (int i = 0; i < 512; i++) {
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if (readByte_GB(romAddress + i) != sdBuffer[i]) {
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writeErrors++;
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}
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}
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romAddress += 512;
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}
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}
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// Close the file:
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myFile.close();
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display_Clear();
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print_STR(verifying_STR, 0);
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if (writeErrors == 0) {
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println_Msg(F("OK"));
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println_Msg(F("Please turn off the power."));
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display_Update();
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// Go back to file beginning
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myFile.seekSet(0);
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//unsigned int addr = 0; // unused
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writeErrors = 0;
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// Verify flashrom
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word romAddress = 0x4000;
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// Read number of banks and switch banks
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for (word bank = 0; bank < romBanks; bank++) {
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writeByte_GB(0x7FE1, bank); // Set ROM bank
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romAddress = 0x4000;
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// Blink led
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blinkLED();
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// Read up to 1FFF per bank
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while (romAddress < 0x6000) {
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// Fill sdBuffer
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myFile.read(sdBuffer, 512);
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// Compare
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for (int i = 0; i < 512; i++) {
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if (readByte_GB(romAddress + i) != sdBuffer[i]) {
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writeErrors++;
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}
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}
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romAddress += 512;
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}
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}
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// Close the file:
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myFile.close();
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if (writeErrors == 0) {
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println_Msg(F("OK"));
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println_Msg(F("Please turn off the power."));
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display_Update();
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} else {
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println_Msg(F("Error"));
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print_Msg(writeErrors);
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print_STR(_bytes_STR, 1);
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print_FatalError(did_not_verify_STR);
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}
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} else {
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println_Msg(F("Error"));
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print_Msg(writeErrors);
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print_STR(_bytes_STR, 1);
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print_FatalError(did_not_verify_STR);
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}
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}
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#endif
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