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https://github.com/sanni/cartreader.git
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V30E: Moved disabling interrupts out of the loop when reading/writing N64 eeproms
Hopefully this was the reason it sometimes froze at that point.
This commit is contained in:
sanni
GitHub
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fa63471333
commit
76ae5c5408
@ -2,8 +2,8 @@
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Cartridge Reader for Arduino Mega2560
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Author: sanni
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Date: 2017-11-21
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Version: V30D
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Date: 2017-11-22
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Version: V30E
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SD lib: https://github.com/greiman/SdFat
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LCD lib: https://github.com/adafruit/Adafruit_SSD1306
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@ -35,7 +35,7 @@
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infinest - help with GB Memory cart
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**********************************************************************************/
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char ver[5] = "V30D";
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char ver[5] = "V30E";
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/******************************************
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Define Starting Point
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@ -457,6 +457,8 @@ void setup() {
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Serial.println(F("Cartridge Reader"));
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Serial.println(F("2017 sanni"));
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Serial.println("");
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// LED
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rgb.setColor(0, 0, 255);
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}
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// Init SD card
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@ -616,6 +618,8 @@ void println_Msg(long unsigned int message) {
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void display_Update() {
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if (enable_OLED)
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display.display();
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if (enable_Serial)
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delay(100);
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}
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void display_Clear() {
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@ -641,43 +645,44 @@ void wait_serial() {
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while (Serial.available() == 0) {
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}
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incomingByte = Serial.read() - 48;
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if (incomingByte == 53) {
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/* if ((incomingByte == 53) && (fileName[0] != '\0')) {
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// Open file on sd card
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sd.chdir(folder);
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if (myFile.open(fileName, O_READ)) {
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// Get rom size from file
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fileSize = myFile.fileSize();
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// Send filesize
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char tempStr[16];
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sprintf(tempStr, "%d", fileSize);
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Serial.write(tempStr);
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// Wait for ok
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while (Serial.available() == 0) {
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}
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// Send file
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for (unsigned long currByte = 0; currByte < fileSize; currByte += 512) {
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myFile.read(sdBuffer, 512);
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for (unsigned long currByte = 0; currByte < fileSize; currByte++) {
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// Blink led
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if (currByte % 2048 == 0)
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if (currByte % 1024 == 0)
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PORTB ^= (1 << 4);
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for (int c = 0; c < 512; c++) {
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Serial.write(sdBuffer[c]);
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Serial.write(myFile.read());
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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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}
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else {
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print_Error(F("Can't open file"), true);
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}
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}
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Serial.println("");
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}*/
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}
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byte questionBox_Serial(const char* question, char answers[7][20], int num_answers, int default_choice) {
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// Print menu to serial monitor
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if (enable_Serial && filebrowse) {
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if (filebrowse) {
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Serial.print("Filebrowser: ");
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}
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Serial.print(question);
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Serial.println(F(" Menu"));
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Serial.println(question);
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for (byte i = 0; i < num_answers; i++) {
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Serial.print(i);
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Serial.print(F(")"));
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@ -686,14 +691,14 @@ byte questionBox_Serial(const char* question, char answers[7][20], int num_answe
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// Wait for user input
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Serial.println("");
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Serial.println(F("Please browse pages with 'u'(up) and 'd'(down)"));
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Serial.print(F("and enter a selection by typing a number(0-6): _ "));
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Serial.println(F("and enter a selection by typing a number(0-6): _ "));
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while (Serial.available() == 0) {
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}
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// Read the incoming byte:
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incomingByte = Serial.read() - 48;
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// Import file (i)
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/* Import file (i)
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if (incomingByte == 57) {
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if (filebrowse == 1) {
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// Make sure we have an import directory
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@ -728,7 +733,7 @@ byte questionBox_Serial(const char* question, char answers[7][20], int num_answe
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println_Msg(fileName);
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return 7;
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}
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}
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}*/
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// Page up (u)
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if (incomingByte == 69) {
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@ -303,7 +303,7 @@ void setup_N64_Cart() {
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DDRH |= (1 << 0) | (1 << 5) | (1 << 6);
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DDRC |= (1 << 0) | (1 << 1);
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// Pull RESET(PH0) low until we are ready
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//PORTH &= ~(1 << 0);
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PORTH &= ~(1 << 0);
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// Output a high signal on WR(PH5) RD(PH6), pins are active low therefore everything is disabled now
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PORTH |= (1 << 5) | (1 << 6);
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// Pull aleL(PC0) low and aleH(PC1) high
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@ -326,9 +326,8 @@ void setup_N64_Cart() {
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// Wait until all is stable
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delay(300);
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// Pull RESET(PH0) high
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//PORTH |= (1 << 0);
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//delay(10);
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// Pull RESET(PH0) high to start eeprom
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PORTH |= (1 << 0);
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}
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/******************************************
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@ -1338,11 +1337,10 @@ void writeEeprom() {
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for (byte i = 0; i < (eepPages / 64); i++) {
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myFile.read(sdBuffer, 512);
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for (byte pageNumber = 0; pageNumber < 64; pageNumber++) {
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// Disable interrupts for more uniform clock pulses
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noInterrupts();
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for (byte pageNumber = 0; pageNumber < 64; pageNumber++) {
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// Wait ~50ms between page writes or eeprom will have write errors
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pulseClock_N64(26000);
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@ -1355,10 +1353,10 @@ void writeEeprom() {
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sendData(sdBuffer[(pageNumber * 8) + j]);
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}
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sendStop();
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}
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interrupts();
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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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println_Msg(F("Done"));
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@ -1400,10 +1398,10 @@ void readEeprom() {
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}
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for (byte i = 0; i < (eepPages / 64); i++) {
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for (byte pageNumber = 0; pageNumber < 64; pageNumber++) {
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// Disable interrupts for more uniform clock pulses
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noInterrupts();
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for (byte pageNumber = 0; pageNumber < 64; pageNumber++) {
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// Send read command
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sendData(0x04);
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// Send Page number
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@ -1415,8 +1413,6 @@ void readEeprom() {
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readData();
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sendStop();
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interrupts();
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// OR 8 bits into one byte for a total of 8 bytes
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for (byte j = 0; j < 64; j += 8) {
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sdBuffer[(pageNumber * 8) + (j / 8)] = tempBits[0 + j] << 7 | tempBits[1 + j] << 6 | tempBits[2 + j] << 5 | tempBits[3 + j] << 4 | tempBits[4 + j] << 3 | tempBits[5 + j] << 2 | tempBits[6 + j] << 1 | tempBits[7 + j];
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@ -1424,6 +1420,7 @@ void readEeprom() {
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// Wait ~0.6ms between pages or eeprom will lock up
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pulseClock_N64(300);
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}
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interrupts();
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// Write 64 pages at once to the SD card
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myFile.write(sdBuffer, 512);
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@ -1458,10 +1455,10 @@ unsigned long verifyEeprom() {
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if (myFile.open(filePath, O_READ)) {
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for (byte i = 0; i < (eepPages / 64); i++) {
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for (byte pageNumber = 0; pageNumber < 64; pageNumber++) {
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// Disable interrupts for more uniform clock pulses
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noInterrupts();
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for (byte pageNumber = 0; pageNumber < 64; pageNumber++) {
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// Send read command
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sendData(0x04);
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// Send Page number
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@ -1473,7 +1470,7 @@ unsigned long verifyEeprom() {
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readData();
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sendStop();
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interrupts();
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// OR 8 bits into one byte for a total of 8 bytes
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for (byte j = 0; j < 64; j += 8) {
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@ -1482,6 +1479,7 @@ unsigned long verifyEeprom() {
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// Wait ~0.6ms between pages or eeprom will lock up
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pulseClock_N64(300);
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}
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interrupts();
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// Check sdBuffer content against file on sd card
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for (int c = 0; c < 512; c++) {
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@ -1987,7 +1985,7 @@ void readRom_N64() {
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foldern = foldern + 1;
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EEPROM_writeAnything(10, foldern);
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readn64rom:
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//readn64rom:
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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_Error(F("SD Error"), true);
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@ -2016,7 +2014,7 @@ readn64rom:
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// Close the file:
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myFile.close();
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calcn64crc:
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/*calcn64crc:
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// Calculate Checksum and convert to string
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println_Msg(F("Calculating CRC.."));
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display_Update();
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@ -2089,7 +2087,12 @@ calcn64crc:
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break;
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}
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}
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display_Update();*/
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println_Msg(F("Done."));
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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display_Update();
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wait();
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}
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/******************************************
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