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https://github.com/sanni/cartreader.git
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V23 Add writing of N64 repro (first draft, super slow)
Takes ~1 hour or so for a 64MB rom file since I have not yet implemented the roms 16 word write buffer and instead write only one word at a time. This is the repro I used: https://www.aliexpress.com/item/N64-Game-Resident-Evil-2-Nintendo-Video-Game-Cartridge-Console-Card-English-Language-US-Version/32788522464.html
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sanni
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@ -2,8 +2,8 @@
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Cartridge Reader for Arduino Mega2560
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Author: sanni
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Date: 2017-02-25
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Version: V22B
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Date: 2017-03-02
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Version: V23
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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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@ -34,7 +34,7 @@
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YamaArashi - GBA flashrom bank switch command
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**********************************************************************************/
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char ver[5] = "V22B";
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char ver[5] = "V23";
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/******************************************
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Define Output
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@ -166,6 +166,7 @@ int incomingByte;
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int choice = 0;
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// Temporary array that holds the menu option read out of progmem
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char menuOptions[7][20];
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boolean ignoreError;
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// File browser
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char fileName[26];
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@ -330,7 +331,8 @@ const char* const modeOptions[] PROGMEM = {modeItem1, modeItem2, modeItem3, mode
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// N64 Submenu
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const char n64MenuItem1[] PROGMEM = "Cart Slot";
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const char n64MenuItem2[] PROGMEM = "Controller";
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const char* const menuOptionsN64[] PROGMEM = {n64MenuItem1, n64MenuItem2};
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const char n64MenuItem3[] PROGMEM = "Flash Repro";
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const char* const menuOptionsN64[] PROGMEM = {n64MenuItem1, n64MenuItem2, n64MenuItem3};
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// Flash Submenu
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const char flashMenuItem1[] PROGMEM = "8bit slot";
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@ -356,8 +358,8 @@ void mainMenu() {
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// create menu with title and 2 options to choose from
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unsigned char n64Dev;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsN64, 2);
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n64Dev = question_box("Select N64 device", menuOptions, 2, 0);
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convertPgm(menuOptionsN64, 3);
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n64Dev = question_box("Select N64 device", menuOptions, 3, 0);
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// wait for user choice to come back from the question box menu
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switch (n64Dev)
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@ -366,6 +368,7 @@ void mainMenu() {
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display_Clear();
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display_Update();
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setup_N64_Cart();
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printCartInfo_N64();
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mode = mode_N64_Cart;
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break;
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@ -375,6 +378,16 @@ void mainMenu() {
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setup_N64_Controller();
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mode = mode_N64_Controller;
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break;
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case 2:
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display_Clear();
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display_Update();
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setup_N64_Cart();
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flashRepro_N64();
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printCartInfo_N64();
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mode = mode_N64_Cart;
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break;
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}
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break;
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@ -592,7 +605,19 @@ void print_Error(const __FlashStringHelper *errorMessage, boolean forceReset) {
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println_Msg(F("Press Button..."));
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display_Update();
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wait();
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asm volatile (" jmp 0");
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if (ignoreError == 0) {
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asm volatile (" jmp 0");
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}
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else {
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ignoreError = 0;
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display_Clear();
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println_Msg(F(""));
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println_Msg(F(""));
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println_Msg(F(""));
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println_Msg(F(" Error Overwrite"));
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display_Update();
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delay(2000);
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}
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}
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}
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@ -917,6 +942,7 @@ void wait_btn() {
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// if the cart readers input button is pressed long
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if (b == 3) {
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ignoreError = 1;
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break;
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}
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}
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@ -38,6 +38,7 @@ String lastbutton = "N/A";
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// Rom base address
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unsigned long romBase = 0x10000000;
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unsigned long sramBase = 0x08000000;
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unsigned long fileSize;
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// Flashram type
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byte flashramType = 1;
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@ -287,59 +288,6 @@ void setup_N64_Cart() {
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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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// Print start page
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getCartInfo_N64();
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if (cartSize != 0) {
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println_Msg(F("N64 Cartridge Info"));
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println_Msg(F(""));
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print_Msg(F("Name: "));
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println_Msg(romName);
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print_Msg(F("ID: "));
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print_Msg(cartID);
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print_Msg(F(" Size: "));
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print_Msg(cartSize);
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println_Msg(F("MB"));
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print_Msg(F("Save: "));
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switch (saveType) {
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case 1:
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println_Msg(F("Sram"));
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break;
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case 4:
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println_Msg(F("Flashram"));
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break;
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case 5:
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println_Msg(F("4K Eeprom"));
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eepPages = 64;
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break;
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case 6:
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println_Msg(F("16K Eeprom"));
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eepPages = 256;
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break;
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default:
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println_Msg(F("unknown"));
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break;
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}
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print_Msg(F("Version: 1."));
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println_Msg(romVersion);
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// Wait for user input
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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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else {
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println_Msg(F("GAMEPAK ERROR"));
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println_Msg("");
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print_Msg(F("Name: "));
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println_Msg(romName);
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print_Msg(F("ID: "));
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println_Msg(cartID);
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println_Msg("");
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display_Update();
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print_Error(F("Cartridge unknown"), true);
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}
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}
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/******************************************
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@ -979,6 +927,63 @@ void verifyMPK() {
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/******************************************
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N64 Cartridge functions
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*****************************************/
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void printCartInfo_N64() {
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// Check cart
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getCartInfo_N64();
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// Print start page
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if (cartSize != 0) {
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println_Msg(F("N64 Cartridge Info"));
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println_Msg(F(""));
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print_Msg(F("Name: "));
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println_Msg(romName);
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print_Msg(F("ID: "));
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print_Msg(cartID);
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print_Msg(F(" Size: "));
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print_Msg(cartSize);
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println_Msg(F("MB"));
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print_Msg(F("Save: "));
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switch (saveType) {
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case 1:
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println_Msg(F("Sram"));
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break;
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case 4:
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println_Msg(F("Flashram"));
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break;
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case 5:
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println_Msg(F("4K Eeprom"));
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eepPages = 64;
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break;
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case 6:
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println_Msg(F("16K Eeprom"));
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eepPages = 256;
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break;
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default:
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println_Msg(F("unknown"));
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break;
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}
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print_Msg(F("Version: 1."));
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println_Msg(romVersion);
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// Wait for user input
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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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else {
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println_Msg(F("GAMEPAK ERROR"));
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println_Msg("");
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print_Msg(F("Name: "));
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println_Msg(romName);
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print_Msg(F("ID: "));
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println_Msg(cartID);
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println_Msg("");
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display_Update();
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print_Error(F("Cartridge unknown"), true);
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}
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}
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// CRC32 lookup table
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static const uint32_t crc_32_tab[] PROGMEM = { /* CRC polynomial 0xedb88320 */
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0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
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@ -2044,6 +2049,301 @@ calcn64crc:
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display_Update();
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}
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/******************************************
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N64 Repro Flashrom Functions
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*****************************************/
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void flashRepro_N64() {
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// Check flashrom ID's
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idFlashrom_N64();
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if (cartSize != 0) {
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print_Msg("ID: ");
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print_Msg(flashid);
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print_Msg(" Size: ");
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print_Msg(cartSize / 1048576);
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println_Msg("MB");
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println_Msg("");
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println_Msg(F("This will erase your"));
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println_Msg(F("Repro Cartridge."));
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println_Msg(F("Attention: Use 3.3V!"));
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println_Msg("");
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println_Msg(F("Press Button"));
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println_Msg(F("to continue"));
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display_Update();
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wait();
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// Launch file browser
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filePath[0] = '\0';
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sd.chdir("/");
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fileBrowser("Select z64 file");
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display_Clear();
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display_Update();
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// Erase flashrom
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eraseFlashrom_N64();
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if (blankcheckFlashrom_N64()) {
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writeFlashrom_N64();
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writeErrors = verifyFlashrom_N64();
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if (writeErrors == 0) {
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println_Msg(F("Verified OK"));
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display_Update();
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}
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else {
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print_Msg(F("Error: "));
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print_Msg(writeErrors);
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println_Msg(F(" bytes "));
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print_Error(F("did not verify."), false);
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}
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}
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else {
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print_Error(F("Erase failed"), false);
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}
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}
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else {
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print_Error(F("Unknown flashrom"), false);
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}
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println_Msg(F("Press Button..."));
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display_Update();
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wait();
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display_Clear();
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display_Update();
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}
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void resetFlashrom_N64(unsigned long flashBase) {
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// Send reset Command
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setAddress_N64(flashBase);
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writeWord_N64(0xF0);
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delay(100);
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}
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void idFlashrom_N64() {
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// Size of repro cartridge
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cartSize = 0;
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// Send ID command to first flashrom
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setAddress_N64(romBase + (0x555 << 1));
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writeWord_N64(0xAA);
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setAddress_N64(romBase + (0x2AA << 1));
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writeWord_N64(0x55);
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setAddress_N64(romBase + (0x555 << 1));
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writeWord_N64(0x90);
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// Read manufacturer ID
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setAddress_N64(romBase);
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readWord_N64();
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// Read flashrom ID
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sprintf(flashid, "%04X", readWord_N64());
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resetFlashrom_N64(romBase);
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if (strcmp(flashid, "227E") == 0) {
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cartSize = 0x2000000;
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// Send ID command to second flashrom
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setAddress_N64(romBase + 0x2000000 + (0x555 << 1));
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writeWord_N64(0xAA);
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setAddress_N64(romBase + 0x2000000 + (0x2AA << 1));
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writeWord_N64(0x55);
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setAddress_N64(romBase + 0x2000000 + (0x555 << 1));
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writeWord_N64(0x90);
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// Read manufacturer ID
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setAddress_N64(romBase + 0x2000000);
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readWord_N64();
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// Read flashrom ID
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sprintf(flashid, "%04X", readWord_N64());
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if (strcmp(flashid, "227E") == 0) {
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cartSize = 0x4000000;
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}
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resetFlashrom_N64(romBase + 0x2000000);
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}
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}
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void eraseFlashrom_N64() {
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println_Msg(F("Erasing Flashrom"));
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display_Update();
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// Send Erase Command to first flashrom
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setAddress_N64(romBase + (0x555 << 1));
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writeWord_N64(0xAA);
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setAddress_N64(romBase + (0x2AA << 1));
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writeWord_N64(0x55);
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setAddress_N64(romBase + (0x555 << 1));
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writeWord_N64(0x80);
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setAddress_N64(romBase + (0x555 << 1));
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writeWord_N64(0xAA);
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setAddress_N64(romBase + (0x2AA << 1));
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writeWord_N64(0x55);
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setAddress_N64(romBase + (0x555 << 1));
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writeWord_N64(0x10);
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if (cartSize == 0x4000000) {
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// Send Erase Command to second flashrom
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setAddress_N64(romBase + 0x2000000 + (0x555 << 1));
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writeWord_N64(0xAA);
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setAddress_N64(romBase + 0x2000000 + (0x2AA << 1));
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writeWord_N64(0x55);
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setAddress_N64(romBase + 0x2000000 + (0x555 << 1));
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writeWord_N64(0x80);
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setAddress_N64(romBase + 0x2000000 + (0x555 << 1));
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writeWord_N64(0xAA);
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setAddress_N64(romBase + 0x2000000 + (0x2AA << 1));
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writeWord_N64(0x55);
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setAddress_N64(romBase + 0x2000000 + (0x555 << 1));
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writeWord_N64(0x10);
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}
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delay(1000);
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// Read the status register
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setAddress_N64(romBase);
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word statusReg = readWord_N64();
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while ((statusReg | 0xFF7F) != 0xFFFF) {
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// Blink led
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PORTB ^= (1 << 4);
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delay(1000);
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setAddress_N64(romBase);
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statusReg = readWord_N64();
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}
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if (cartSize == 0x4000000) {
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// Read the status register
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setAddress_N64(romBase + 0x2000000);
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word statusReg = readWord_N64();
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while ((statusReg | 0xFF7F) != 0xFFFF) {
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// Blink led
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PORTB ^= (1 << 4);
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delay(1000);
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setAddress_N64(romBase + 0x2000000);
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statusReg = readWord_N64();
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}
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}
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}
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boolean blankcheckFlashrom_N64() {
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print_Msg(F("Blankcheck..."));
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display_Update();
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for (unsigned long currByte = romBase; currByte < romBase + cartSize; currByte += 512) {
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// Blink led
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if (currByte % 131072 == 0)
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PORTB ^= (1 << 4);
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// Set the address for the next 512 bytes
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setAddress_N64(currByte);
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for (int c = 0; c < 512; c += 2) {
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if (readWord_N64() != 0xFFFF) {
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println_Msg(F("failed"));
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display_Update();
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return 0;
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}
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}
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}
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println_Msg(F("OK"));
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display_Update();
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return 1;
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}
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void writeFlashrom_N64() {
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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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// Get rom size from file
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fileSize = myFile.fileSize();
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print_Msg(F("Writing "));
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println_Msg(filePath);
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print_Msg(F("File size: "));
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print_Msg(fileSize / 1048576);
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println_Msg(F("MB"));
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display_Update();
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unsigned long flashBase = romBase;
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for (unsigned long currSector = 0; currSector < fileSize; currSector += 131072) {
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// Blink led
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PORTB ^= (1 << 4);
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// Change to second rom
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if (currSector == 0x2000000) {
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flashBase = romBase + 0x2000000;
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}
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// Write to flashrom
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for (unsigned long currSdBuffer = 0; currSdBuffer < 131072; currSdBuffer += 512) {
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// Fill SD buffer
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myFile.read(sdBuffer, 512);
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for (int currByte = 0; currByte < 512; currByte += 2) {
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// Join two bytes into one word
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word currWord = ( ( sdBuffer[currByte] & 0xFF ) << 8 ) | ( sdBuffer[currByte + 1] & 0xFF );
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// 2 unlock commands
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setAddress_N64(flashBase + (0x555 << 1));
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writeWord_N64(0xAA);
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setAddress_N64(flashBase + (0x2AA << 1));
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writeWord_N64(0x55);
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// Program command
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setAddress_N64(flashBase + (0x555 << 1));
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writeWord_N64(0xA0);
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// Write word
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setAddress_N64(romBase + currSector + currSdBuffer + currByte);
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writeWord_N64(currWord);
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// Read the status register
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setAddress_N64(romBase + currSector + currSdBuffer + currByte);
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word statusReg = readWord_N64();
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while ((statusReg | 0xFF7F) != (currWord | 0xFF7F)) {
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setAddress_N64(romBase + currSector + currSdBuffer + currByte);
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statusReg = readWord_N64();
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}
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}
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}
|
||||
}
|
||||
// Close the file:
|
||||
myFile.close();
|
||||
}
|
||||
else {
|
||||
println_Msg(F("Can't open file"));
|
||||
display_Update();
|
||||
}
|
||||
}
|
||||
|
||||
unsigned long verifyFlashrom_N64() {
|
||||
// Open file on sd card
|
||||
if (myFile.open(filePath, O_READ)) {
|
||||
writeErrors = 0;
|
||||
|
||||
for (unsigned long currSector = 0; currSector < fileSize; currSector += 131072) {
|
||||
// Blink led
|
||||
PORTB ^= (1 << 4);
|
||||
for (unsigned long currSdBuffer = 0; currSdBuffer < 131072; currSdBuffer += 512) {
|
||||
// Fill SD buffer
|
||||
myFile.read(sdBuffer, 512);
|
||||
for (int currByte = 0; currByte < 512; currByte += 2) {
|
||||
// Join two bytes into one word
|
||||
word currWord = ( ( sdBuffer[currByte] & 0xFF ) << 8 ) | ( sdBuffer[currByte + 1] & 0xFF );
|
||||
// Read flash
|
||||
setAddress_N64(romBase + currSector + currSdBuffer + currByte);
|
||||
// Compare both
|
||||
if (readWord_N64() != currWord) {
|
||||
writeErrors++;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
// Close the file:
|
||||
myFile.close();
|
||||
return writeErrors;
|
||||
}
|
||||
else {
|
||||
println_Msg(F("Can't open file"));
|
||||
display_Update();
|
||||
return 9999;
|
||||
}
|
||||
}
|
||||
|
||||
//******************************************
|
||||
// End of File
|
||||
//******************************************
|
||||
|
||||
Loading…
Reference in New Issue
Block a user