mirror of
https://github.com/sanni/cartreader.git
synced 2024-06-03 02:48:43 +02:00
V19: Add GBA rom dumping (beta)
Seems to work fine with the Arduino running on 5V. Still a few read errors on 3.3V. Probably timing related.
This commit is contained in:
sanni
GitHub
parent
8bfeec2fc4
commit
a8c03520c8
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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: 2016-09-04
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Version: V18B
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Date: 2016-09-12
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Version: V19
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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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@ -17,7 +17,7 @@
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Jeff Saltzman - 4-Way Button
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Wayne and Layne - Video-Game-Shield menu
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skaman - SNES enhancements and SA1 sram support
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nocash - Nintendo Power commands
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nocash - Nintendo Power commands and lots of other info
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crazynation - N64 bus timing
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hkz/themanbehindthecurtain - N64 flashram commands
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jago85 - help with N64 stuff
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@ -29,9 +29,11 @@
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Snes9x - SuperFX sram fix
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zzattack - multigame pcb fix
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Pickle - SDD1 fix
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insidegadgets - GBCartRead
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lukeskaff - Nintendo DS GBA slot timing
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**********************************************************************************/
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char ver[5] = "V18B";
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char ver[5] = "V19";
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/******************************************
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Define Output
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@ -44,8 +46,8 @@ char ver[5] = "V18B";
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/******************************************
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Define Input
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******************************************/
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// If you have two buttons on your cart reader change to 1
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#define enable_Button2 0
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// If you have two buttons on your cart reader you can remove the //
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//#define enable_Button2
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/******************************************
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Pinout
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@ -114,6 +116,7 @@ SdFile myFile;
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#define mode_GB 6
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#define mode_FLASH8 7
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#define mode_FLASH16 8
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#define mode_GBA 9
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/******************************************
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Variables
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@ -175,6 +178,8 @@ byte numBanks = 128;
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char checksumStr[5];
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bool errorLvl = 0;
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byte romVersion = 0;
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char cartID[5];
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unsigned long cartSize;
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// Variable to count errors
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unsigned long writeErrors;
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@ -322,6 +327,11 @@ const char flashMenuItem1[] PROGMEM = "8bit slot";
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const char flashMenuItem2[] PROGMEM = "16bit slot";
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const char* const menuOptionsFlash[] PROGMEM = {flashMenuItem1, flashMenuItem2};
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// GBx Submenu
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const char gbxMenuItem1[] PROGMEM = "Game Boy Color";
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const char gbxMenuItem2[] PROGMEM = "Game Boy Advance";
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const char* const menuOptionsGBx[] PROGMEM = {gbxMenuItem1, gbxMenuItem2};
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void mainMenu() {
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// create menu with title and 6 options to choose from
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unsigned char modeMenu;
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@ -373,10 +383,29 @@ void mainMenu() {
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break;
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case 3:
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display_Clear();
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display_Update();
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setup_GB();
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mode = mode_GB;
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// create menu with title and 2 options to choose from
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unsigned char gbType;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsGBx, 2);
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gbType = question_box("Select Game Boy", menuOptions, 2, 0);
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// wait for user choice to come back from the question box menu
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switch (gbType)
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{
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case 0:
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display_Clear();
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display_Update();
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setup_GB();
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mode = mode_GB;
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break;
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case 1:
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display_Clear();
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display_Update();
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setup_GBA();
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mode = mode_GBA;
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break;
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}
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break;
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case 4:
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@ -725,10 +754,14 @@ void rgbLed(byte Color) {
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*****************************************/
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// Read button state
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int checkButton() {
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if ((enable_Button2) && (checkButton2() != 0))
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#ifdef enable_Button2
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if (checkButton2() != 0)
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return 3;
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else
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return (checkButton1());
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#else
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return (checkButton1());
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#endif
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}
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// Read button 1
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@ -1203,6 +1236,9 @@ void loop() {
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else if (mode == mode_GB) {
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gbMenu();
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}
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else if (mode == mode_GBA) {
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gbaMenu();
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}
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else if (mode == mode_NPFlash) {
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NPFlashMenu();
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}
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@ -348,11 +348,6 @@ void setup_Flash16() {
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// Set Control Pins to Output OE(PH1) BYTE(PH3) WE(PH4) CE(PH6)
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DDRH |= (1 << 1) | (1 << 3) | (1 << 4) | (1 << 6);
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// Setting OE(PH1) BYTE(PH3) WE(PH4) HIGH
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PORTH |= (1 << 1) | (1 << 3) | (1 << 4);
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// Setting CE(PH6) LOW
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PORTH &= ~(1 << 6);
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// Set Data Pins (D0-D15) to Input
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DDRC = 0x00;
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DDRA = 0x00;
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@ -360,6 +355,13 @@ void setup_Flash16() {
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PORTC = 0x00;
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PORTA = 0x00;
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// Setting OE(PH1) BYTE(PH3) WE(PH4) HIGH
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PORTH |= (1 << 1) | (1 << 3) | (1 << 4);
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// Setting CE(PH6) LOW
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PORTH &= ~(1 << 6);
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delay(10);
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// ID flash
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idFlash16();
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resetFlash16();
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@ -407,7 +409,6 @@ void dataOut16() {
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// Switch data pins to read
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void dataIn16() {
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// Set to Input and activate pull-up resistors
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DDRC = 0x00;
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DDRA = 0x00;
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}
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@ -482,7 +483,7 @@ void writeWord_Flash(unsigned long myAddress, word myData) {
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PORTH |= (1 << 4);
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// Leave WE high for at least 50ns
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__asm__("nop\n\t");
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__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
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}
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word readWord_Flash(unsigned long myAddress) {
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@ -501,9 +502,11 @@ word readWord_Flash(unsigned long myAddress) {
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// Read
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word tempWord = ( ( PINA & 0xFF ) << 8 ) | ( PINC & 0xFF );
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__asm__("nop\n\t");
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// Setting OE(PH1) HIGH
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PORTH |= (1 << 1);
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__asm__("nop\n\t");
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__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
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return tempWord;
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}
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@ -587,7 +590,7 @@ void writeFlash29F032() {
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if (currByte % 2048 == 0)
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PORTB ^= (1 << 4);
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for (unsigned long c = 0; c < 512; c++) {
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for (int c = 0; c < 512; c++) {
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// Write command sequence
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writeByte_Flash(0x555, 0xaa);
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writeByte_Flash(0x2aa, 0x55);
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@ -792,7 +795,7 @@ void verifyFlash() {
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for (unsigned long currByte = 0; currByte < flashSize; currByte += 512) {
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//fill sdBuffer
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myFile.read(sdBuffer, 512);
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for (unsigned long c = 0; c < 512; c++) {
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for (int c = 0; c < 512; c++) {
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if (readByte_Flash(currByte + c) != sdBuffer[c]) {
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blank++;
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}
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@ -842,7 +845,7 @@ void readFlash() {
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print_Error(F("Can't create file on SD"), true);
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}
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for (unsigned long currByte = 0; currByte < flashSize; currByte += 512) {
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for (unsigned long c = 0; c < 512; c++) {
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for (int c = 0; c < 512; c++) {
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sdBuffer[c] = readByte_Flash(currByte + c);
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}
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myFile.write(sdBuffer, 512);
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for (unsigned long currByte = 0; currByte < flashSize / 2; currByte += 256) {
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//fill sdBuffer
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myFile.read(sdBuffer, 512);
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for (unsigned long c = 0; c < 256; c++) {
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for (int c = 0; c < 256; c++) {
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word currWord = ((sdBuffer[d] << 8) | sdBuffer[d + 1]);
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// Swap bytes in word
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currWord = ((currWord >> 8) & 0x00FF00FF) | ((currWord & 0x00FF00FF) << 8);
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@ -1,23 +1,686 @@
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//******************************************
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// GAMEBOY
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// GAME BOY
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//******************************************
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/******************************************
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Variables
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*****************************************/
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// Game Boy
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int sramBanks;
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/******************************************
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Menu
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*****************************************/
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// GB menu items
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const char GBMenuItem1[] PROGMEM = "Read Rom";
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const char GBMenuItem2[] PROGMEM = "Read Save";
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const char GBMenuItem3[] PROGMEM = "Write Save";
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const char GBMenuItem4[] PROGMEM = "Reset";
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const char* const menuOptionsGB[] PROGMEM = {GBMenuItem1, GBMenuItem2, GBMenuItem3, GBMenuItem4};
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void gbMenu() {
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println_Msg(F("WORK IN PROGRESS"));
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// Output a high signal on CS(PH3) WR(PH5) RD(PH6)
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PORTH |= (1 << 3) | (1 << 5) | (1 << 6);
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// create menu with title and 4 options to choose from
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unsigned char mainMenu;
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// Copy menuOptions of of progmem
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convertPgm(menuOptionsGB, 4);
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mainMenu = question_box("GB Cart Reader", menuOptions, 4, 0);
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// wait for user choice to come back from the question box menu
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switch (mainMenu)
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{
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case 0:
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display_Clear();
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// Change working dir to root
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sd.chdir("/");
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readROM_GB();
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compare_checksum_GB();
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break;
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case 1:
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display_Clear();
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// Change working dir to root
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sd.chdir("/");
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readSRAM_GB();
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break;
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case 2:
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display_Clear();
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// Change working dir to root
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sd.chdir("/");
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writeSRAM_GB();
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unsigned long wrErrors;
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wrErrors = verifySRAM_GB();
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if (wrErrors == 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(wrErrors);
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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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break;
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case 3:
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asm volatile (" jmp 0");
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break;
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}
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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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asm volatile (" jmp 0");
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}
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/******************************************
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Setup
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*****************************************/
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void setup_GB() {
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// Set RST(PH0) to Input
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DDRH &= ~(1 << 0);
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// Activate Internal Pullup Resistors
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PORTH |= (1 << 0);
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// Set Address Pins to Output
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//A0-A7
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DDRF = 0xFF;
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//A8-A15
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DDRK = 0xFF;
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// Set Control Pins to Output CS(PH3) WR(PH5) RD(PH6)
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DDRH |= (1 << 3) | (1 << 5) | (1 << 6);
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// Output a high signal on all pins, pins are active low therefore everything is disabled now
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PORTH |= (1 << 3) | (1 << 5) | (1 << 6);
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// Set Data Pins (D0-D7) to Input
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DDRC = 0x00;
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// Enable Internal Pullups
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//PORTC = 0xFF;
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// Print start page
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getCartInfo_GB();
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display_Clear();
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if (strcmp(checksumStr, "00") != 0) {
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println_Msg(F("GB Cart Info"));
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print_Msg(F("Rom Name: "));
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println_Msg(romName);
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print_Msg(F("Rom Type: "));
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switch (romType) {
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case 0: print_Msg(F("ROM ONLY")); break;
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case 1: print_Msg(F("MBC1")); break;
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case 2: print_Msg(F("MBC1+RAM")); break;
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case 3: print_Msg(F("MBC1+RAM")); break;
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case 5: print_Msg(F("MBC2")); break;
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case 6: print_Msg(F("MBC2")); break;
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case 8: print_Msg(F("ROM+RAM")); break;
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case 9: print_Msg(F("ROM ONLY")); break;
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case 11: print_Msg(F("MMM01")); break;
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case 12: print_Msg(F("MMM01+RAM")); break;
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case 13: print_Msg(F("MMM01+RAM")); break;
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case 15: print_Msg(F("MBC3+TIMER")); break;
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case 16: print_Msg(F("MBC3+TIMER+RAM")); break;
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case 17: print_Msg(F("MBC3")); break;
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case 18: print_Msg(F("MBC3+RAM")); break;
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case 19: print_Msg(F("MBC3+RAM")); break;
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case 21: print_Msg(F("MBC4")); break;
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case 22: print_Msg(F("MBC4+RAM")); break;
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case 23: print_Msg(F("MBC4+RAM")); break;
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case 25: print_Msg(F("MBC5")); break;
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case 26: print_Msg(F("MBC5+RAM")); break;
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case 27: print_Msg(F("MBC5+RAM")); break;
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case 28: print_Msg(F("MBC5+RUMBLE")); break;
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case 29: print_Msg(F("MBC5+RUMBLE+RAM")); break;
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case 30: print_Msg(F("MBC5+RUMBLE+RAM")); break;
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case 252: print_Msg(F("Gameboy Camera")); break;
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default: print_Msg(F("Not found"));
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}
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println_Msg(F(" "));
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print_Msg(F("Rom Size: "));
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switch (romSize) {
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case 0:
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print_Msg(F("32KByte"));
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break;
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case 1:
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print_Msg(F("64KByte"));
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break;
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case 2:
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print_Msg(F("128KByte"));
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break;
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case 3:
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print_Msg(F("256KByte"));
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break;
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case 4:
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print_Msg(F("512KByte"));
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break;
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case 5:
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if (romType == 1 || romType == 2 || romType == 3) {
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print_Msg(F("1MByte"));
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}
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else {
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print_Msg(F("1MByte"));
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}
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break;
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case 6:
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if (romType == 1 || romType == 2 || romType == 3) {
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print_Msg(F("2MByte"));
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}
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else {
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print_Msg(F("2MByte"));
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}
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break;
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case 7:
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print_Msg(F("4MByte"));
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break;
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case 82:
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print_Msg(F("1.1MByten"));
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break;
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case 83:
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print_Msg(F("1.2MByte"));
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break;
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case 84:
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print_Msg(F("1.5MByte"));
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break;
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default:
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print_Msg(F("Not found"));
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}
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println_Msg(F(""));
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print_Msg(F("Banks: "));
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println_Msg(numBanks);
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print_Msg(F("Sram Size: "));
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switch (sramSize) {
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case 0:
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if (romType == 6) {
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print_Msg(F("512 bytes"));
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}
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else {
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print_Msg(F("None"));
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}
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break;
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case 1:
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print_Msg(F("2 KBytes"));
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break;
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case 2:
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print_Msg(F("8 KBytes"));
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break;
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case 3:
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print_Msg(F("32 KBytes"));
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break;
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case 4:
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print_Msg(F("128 KBytes"));
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break;
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default:
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print_Msg(F("Not found"));
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}
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println_Msg(F(""));
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print_Msg(F("Checksum: "));
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println_Msg(checksumStr);
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display_Update();
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// Wait for user input
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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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print_Error(F("GAMEPAK ERROR"), true);
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}
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}
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/******************************************
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I/O Functions
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*****************************************/
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/******************************************
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Low level functions
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*****************************************/
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byte readByte_GB(word myAddress) {
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PORTF = myAddress & 0xFF;
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PORTK = (myAddress >> 8) & 0xFF;
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__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
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// Switch CS(PH3) and RD(PH6) to LOW
|
||||
PORTH &= ~((1 << 3) | (1 << 6));
|
||||
|
||||
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
||||
|
||||
// Read
|
||||
byte tempByte = PINC;
|
||||
|
||||
// Switch CS(PH3) and RD(PH6) to HIGH
|
||||
PORTH |= (1 << 3) | (1 << 6);
|
||||
|
||||
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
||||
|
||||
return tempByte;
|
||||
}
|
||||
|
||||
void writeByte_GB(int myAddress, uint8_t myData) {
|
||||
PORTF = myAddress & 0xFF;
|
||||
PORTK = (myAddress >> 8) & 0xFF;
|
||||
PORTC = myData;
|
||||
|
||||
// Arduino running at 16Mhz -> one nop = 62.5ns
|
||||
// Wait till output is stable
|
||||
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
||||
|
||||
// Pull WR(PH5) low
|
||||
PORTH &= ~(1 << 5);
|
||||
|
||||
// Leave WE low for at least 60ns
|
||||
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
||||
|
||||
// Pull WR(PH5) HIGH
|
||||
PORTH |= (1 << 5);
|
||||
|
||||
// Leave WE high for at least 50ns
|
||||
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
||||
}
|
||||
|
||||
/******************************************
|
||||
Game Boy functions
|
||||
*****************************************/
|
||||
// Read Cartridge Header
|
||||
void getCartInfo_GB() {
|
||||
// Dump name into 8.3 compatible format
|
||||
byte myByte = 0;
|
||||
byte myLength = 0;
|
||||
|
||||
for (int addr = 0x0134; addr <= 0x13C; addr++) {
|
||||
myByte = readByte_GB(addr);
|
||||
if (((char(myByte) >= 48 && char(myByte) <= 57) || (char(myByte) >= 65 && char(myByte) <= 122)) && myLength < 8) {
|
||||
romName[myLength] = char(myByte);
|
||||
myLength++;
|
||||
}
|
||||
}
|
||||
// Get Checksum as string
|
||||
sprintf(checksumStr, "%02X%02X", readByte_GB(0x014E), readByte_GB(0x014F));
|
||||
romType = readByte_GB(0x0147);
|
||||
romSize = readByte_GB(0x0148);
|
||||
sramSize = readByte_GB(0x0149);
|
||||
numBanks = 2; // Default 32K
|
||||
if (romSize == 1) {
|
||||
numBanks = 4;
|
||||
}
|
||||
if (romSize == 2) {
|
||||
numBanks = 8;
|
||||
}
|
||||
if (romSize == 3) {
|
||||
numBanks = 16;
|
||||
}
|
||||
if (romSize == 4) {
|
||||
numBanks = 32;
|
||||
}
|
||||
if (romSize == 5 && (romType == 1 || romType == 2 || romType == 3)) {
|
||||
numBanks = 63;
|
||||
}
|
||||
else if (romSize == 5) {
|
||||
numBanks = 64;
|
||||
}
|
||||
if (romSize == 6 && (romType == 1 || romType == 2 || romType == 3)) {
|
||||
numBanks = 125;
|
||||
}
|
||||
else if (romSize == 6) {
|
||||
numBanks = 128;
|
||||
}
|
||||
if (romSize == 7) {
|
||||
numBanks = 255;
|
||||
}
|
||||
if (romSize == 82) {
|
||||
numBanks = 72;
|
||||
}
|
||||
if (romSize == 83) {
|
||||
numBanks = 80;
|
||||
}
|
||||
if (romSize == 84) {
|
||||
numBanks = 96;
|
||||
}
|
||||
sramBanks = 1; // Default 8K RAM
|
||||
if (sramSize == 3) {
|
||||
sramBanks = 4;
|
||||
}
|
||||
if (sramSize == 4) {
|
||||
sramBanks = 16; // GB Camera
|
||||
}
|
||||
}
|
||||
|
||||
// Dump ROM
|
||||
void readROM_GB() {
|
||||
// Get name, add extension and convert to char array for sd lib
|
||||
char fileName[26];
|
||||
strcpy(fileName, romName);
|
||||
strcat(fileName, ".GB");
|
||||
|
||||
// create a new folder for the rom file
|
||||
EEPROM_readAnything(0, foldern);
|
||||
sprintf(folder, "ROM/%s/%d", romName, foldern);
|
||||
sd.mkdir(folder, true);
|
||||
sd.chdir(folder);
|
||||
|
||||
//clear the screen
|
||||
display_Clear();
|
||||
println_Msg(F("Creating folder: "));
|
||||
println_Msg(folder);
|
||||
display_Update();
|
||||
|
||||
// write new folder number back to eeprom
|
||||
foldern = foldern + 1;
|
||||
EEPROM_writeAnything(0, foldern);
|
||||
|
||||
//open file on sd card
|
||||
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
||||
print_Error(F("Can't create file on SD"), true);
|
||||
}
|
||||
|
||||
unsigned int addr = 0;
|
||||
|
||||
// Read x number of banks
|
||||
for (int y = 1; y < numBanks; y++) {
|
||||
dataOut();
|
||||
// Set ROM bank
|
||||
writeByte_GB(0x2100, y);
|
||||
dataIn();
|
||||
if (y > 1) {
|
||||
addr = 0x4000;
|
||||
}
|
||||
for (; addr <= 0x7FFF; addr = addr + 512) {
|
||||
uint8_t readData[512];
|
||||
for (int i = 0; i < 512; i++) {
|
||||
readData[i] = readByte_GB(addr + i);
|
||||
}
|
||||
myFile.write(readData, 512);
|
||||
}
|
||||
}
|
||||
// Close the file:
|
||||
myFile.close();
|
||||
|
||||
// Signal end of process
|
||||
print_Msg(F("Saved as "));
|
||||
println_Msg(fileName);
|
||||
}
|
||||
|
||||
unsigned int calc_checksum_GB (char* fileName, char* folder) {
|
||||
unsigned int calcChecksum = 0;
|
||||
int calcFilesize = 0;
|
||||
unsigned long i = 0;
|
||||
int c = 0;
|
||||
|
||||
if (strcmp(folder, "root") != 0)
|
||||
sd.chdir(folder);
|
||||
|
||||
// If file exists
|
||||
if (myFile.open(fileName, O_READ)) {
|
||||
calcFilesize = myFile.fileSize() * 8 / 1024 / 1024;
|
||||
for (i = 0; i < (myFile.fileSize() / 512); i++) {
|
||||
myFile.read(sdBuffer, 512);
|
||||
for (c = 0; c < 512; c++) {
|
||||
calcChecksum += sdBuffer[c];
|
||||
}
|
||||
}
|
||||
myFile.close();
|
||||
sd.chdir();
|
||||
// Subtract checksum bytes
|
||||
calcChecksum -= readByte_GB(0x014E);
|
||||
calcChecksum -= readByte_GB(0x014F);
|
||||
|
||||
// Return result
|
||||
return (calcChecksum);
|
||||
}
|
||||
// Else show error
|
||||
else {
|
||||
print_Error(F("DUMP ROM 1ST"), false);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
boolean compare_checksum_GB() {
|
||||
|
||||
println_Msg(F("Calculating Checksum"));
|
||||
display_Update();
|
||||
|
||||
char fileName[26];
|
||||
strcpy(fileName, romName);
|
||||
strcat(fileName, ".GB");
|
||||
|
||||
// last used rom folder
|
||||
EEPROM_readAnything(0, foldern);
|
||||
sprintf(folder, "ROM/%s/%d", romName, foldern - 1);
|
||||
|
||||
char calcsumStr[5];
|
||||
sprintf(calcsumStr, "%04X", calc_checksum_GB(fileName, folder));
|
||||
|
||||
if (strcmp(calcsumStr, checksumStr) == 0) {
|
||||
print_Msg(F("Result: "));
|
||||
println_Msg(calcsumStr);
|
||||
println_Msg(F("Checksum matches"));
|
||||
display_Update();
|
||||
return 1;
|
||||
}
|
||||
else {
|
||||
print_Msg(F("Result: "));
|
||||
println_Msg(calcsumStr);
|
||||
print_Error(F("Checksum Error"), false);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
// Read RAM
|
||||
void readSRAM_GB() {
|
||||
|
||||
// Get name, add extension and convert to char array for sd lib
|
||||
char fileName[26];
|
||||
strcpy(fileName, romName);
|
||||
strcat(fileName, ".sav");
|
||||
|
||||
// create a new folder for the save file
|
||||
EEPROM_readAnything(0, foldern);
|
||||
sprintf(folder, "SAVE/%s/%d", romName, foldern);
|
||||
sd.mkdir(folder, true);
|
||||
sd.chdir(folder);
|
||||
|
||||
// write new folder number back to eeprom
|
||||
foldern = foldern + 1;
|
||||
EEPROM_writeAnything(0, foldern);
|
||||
|
||||
//open file on sd card
|
||||
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
||||
print_Error(F("SD Error"), true);
|
||||
}
|
||||
|
||||
// MBC2 Fix (unknown why this fixes it, maybe has to read ROM before RAM?)
|
||||
readByte_GB(0x0134);
|
||||
|
||||
unsigned int addr = 0;
|
||||
unsigned int endaddr = 0;
|
||||
if (romType == 6 && sramSize == 0) {
|
||||
endaddr = 0xA1FF; // MBC2 512bytes (nibbles)
|
||||
}
|
||||
if (sramSize == 1) {
|
||||
endaddr = 0xA7FF; // 2K RAM
|
||||
}
|
||||
if (sramSize > 1) {
|
||||
endaddr = 0xBFFF; // 8K RAM
|
||||
}
|
||||
|
||||
// Does cartridge have RAM
|
||||
if (endaddr > 0) {
|
||||
dataOut();
|
||||
// Initialise MBC
|
||||
writeByte_GB(0x0000, 0x0A);
|
||||
|
||||
// Switch RAM banks
|
||||
for (int bank = 0; bank < sramBanks; bank++) {
|
||||
dataOut();
|
||||
writeByte_GB(0x4000, bank);
|
||||
|
||||
// Read RAM
|
||||
dataIn();
|
||||
for (addr = 0xA000; addr <= endaddr; addr = addr + 64) {
|
||||
uint8_t readData[64];
|
||||
for (int i = 0; i < 64; i++) {
|
||||
readData[i] = readByte_GB(addr + i);
|
||||
}
|
||||
myFile.write(readData, 64);
|
||||
}
|
||||
}
|
||||
dataOut();
|
||||
// Disable RAM
|
||||
writeByte_GB(0x0000, 0x00);
|
||||
dataIn();
|
||||
}
|
||||
else {
|
||||
print_Error(F("Cart has no SRAM"), false);
|
||||
}
|
||||
// Close the file:
|
||||
myFile.close();
|
||||
|
||||
// Signal end of process
|
||||
print_Msg(F("Saved to SAVE/"));
|
||||
print_Msg(romName);
|
||||
print_Msg(F("/"));
|
||||
print_Msg(foldern - 1);
|
||||
print_Msg(F("/"));
|
||||
println_Msg(fileName);
|
||||
display_Update();
|
||||
}
|
||||
|
||||
// Write RAM
|
||||
void writeSRAM_GB() {
|
||||
|
||||
filePath[0] = '\0';
|
||||
sd.chdir("/");
|
||||
fileBrowser("Select sav file");
|
||||
// Create filepath
|
||||
sprintf(filePath, "%s/%s", filePath, fileName);
|
||||
|
||||
//open file on sd card
|
||||
if (myFile.open(filePath, O_READ)) {
|
||||
// MBC2 Fix (unknown why this fixes it, maybe has to read ROM before RAM?)
|
||||
readByte_GB(0x0134);
|
||||
unsigned int addr = 0;
|
||||
unsigned int endaddr = 0;
|
||||
if (romType == 6 && sramSize == 0) {
|
||||
endaddr = 0xA1FF; // MBC2 512bytes (nibbles)
|
||||
}
|
||||
if (sramSize == 1) {
|
||||
endaddr = 0xA7FF; // 2K RAM
|
||||
}
|
||||
if (sramSize > 1) {
|
||||
endaddr = 0xBFFF; // 8K RAM
|
||||
}
|
||||
|
||||
// Does cartridge have RAM
|
||||
if (endaddr > 0) {
|
||||
dataOut();
|
||||
// Initialise MBC
|
||||
writeByte_GB(0x0000, 0x0A);
|
||||
|
||||
// Switch RAM banks
|
||||
for (int bank = 0; bank < sramBanks; bank++) {
|
||||
writeByte_GB(0x4000, bank);
|
||||
|
||||
// Write RAM
|
||||
for (addr = 0xA000; addr <= endaddr; addr = addr + 64) {
|
||||
|
||||
// Wait for serial input
|
||||
for (uint8_t i = 0; i < 64; i++) {
|
||||
// Pull CS(PH3) LOW
|
||||
PORTH &= ~(1 << 3);
|
||||
// Write to RAM
|
||||
writeByte_GB(addr + i, myFile.read());
|
||||
asm volatile("nop");
|
||||
asm volatile("nop");
|
||||
asm volatile("nop");
|
||||
// Pull CS(PH3) HIGH
|
||||
PORTH |= (1 << 3) ;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Disable RAM
|
||||
writeByte_GB(0x0000, 0x00);
|
||||
Serial.flush(); // Flush any serial data that wasn't processed
|
||||
}
|
||||
else {
|
||||
print_Error(F("Cart has no SRAM"), false);
|
||||
}
|
||||
// Set pins to input
|
||||
dataIn();
|
||||
|
||||
// Close the file:
|
||||
myFile.close();
|
||||
display_Clear();
|
||||
println_Msg(F("SRAM writing finished"));
|
||||
display_Update();
|
||||
}
|
||||
else {
|
||||
print_Error(F("File doesnt exist"), false);
|
||||
}
|
||||
}
|
||||
|
||||
// Check if the SRAM was written without any error
|
||||
unsigned long verifySRAM_GB() {
|
||||
|
||||
//open file on sd card
|
||||
if (myFile.open(filePath, O_READ)) {
|
||||
|
||||
// Variable for errors
|
||||
writeErrors = 0;
|
||||
|
||||
// MBC2 Fix (unknown why this fixes it, maybe has to read ROM before RAM?)
|
||||
readByte_GB(0x0134);
|
||||
|
||||
unsigned int addr = 0;
|
||||
unsigned int endaddr = 0;
|
||||
if (romType == 6 && sramSize == 0) {
|
||||
endaddr = 0xA1FF; // MBC2 512bytes (nibbles)
|
||||
}
|
||||
if (sramSize == 1) {
|
||||
endaddr = 0xA7FF; // 2K RAM
|
||||
}
|
||||
if (sramSize > 1) {
|
||||
endaddr = 0xBFFF; // 8K RAM
|
||||
}
|
||||
|
||||
// Does cartridge have RAM
|
||||
if (endaddr > 0) {
|
||||
dataOut();
|
||||
// Initialise MBC
|
||||
writeByte_GB(0x0000, 0x0A);
|
||||
|
||||
// Switch RAM banks
|
||||
for (int bank = 0; bank < sramBanks; bank++) {
|
||||
dataOut();
|
||||
writeByte_GB(0x4000, bank);
|
||||
|
||||
// Read RAM
|
||||
dataIn();
|
||||
for (addr = 0xA000; addr <= endaddr; addr = addr + 64) {
|
||||
//fill sdBuffer
|
||||
myFile.read(sdBuffer, 64);
|
||||
for (int c = 0; c < 64; c++) {
|
||||
if (readByte_GB(addr + c) != sdBuffer[c]) {
|
||||
writeErrors++;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
dataOut();
|
||||
// Disable RAM
|
||||
writeByte_GB(0x0000, 0x00);
|
||||
dataIn();
|
||||
}
|
||||
// Close the file:
|
||||
myFile.close();
|
||||
return writeErrors;
|
||||
}
|
||||
else {
|
||||
print_Error(F("Can't open file"), true);
|
||||
}
|
||||
}
|
||||
|
||||
//******************************************
|
||||
|
|
|
|||
413
Cart_Reader/GBA.ino
Normal file
413
Cart_Reader/GBA.ino
Normal file
|
|
@ -0,0 +1,413 @@
|
|||
//******************************************
|
||||
// GAME BOY ADVANCE
|
||||
//******************************************
|
||||
|
||||
/******************************************
|
||||
Variables
|
||||
*****************************************/
|
||||
char calcChecksumStr[5];
|
||||
byte cartBuffer[513];
|
||||
|
||||
const int nintendoLogo[] PROGMEM = {
|
||||
0x00, 0x00, 0x00, 0x00, 0x24, 0xFF, 0xAE, 0x51, 0x69, 0x9A, 0xA2, 0x21, 0x3D, 0x84, 0x82, 0x0A,
|
||||
0x84, 0xE4, 0x09, 0xAD, 0x11, 0x24, 0x8B, 0x98, 0xC0, 0x81, 0x7F, 0x21, 0xA3, 0x52, 0xBE, 0x19,
|
||||
0x93, 0x09, 0xCE, 0x20, 0x10, 0x46, 0x4A, 0x4A, 0xF8, 0x27, 0x31, 0xEC, 0x58, 0xC7, 0xE8, 0x33,
|
||||
0x82, 0xE3, 0xCE, 0xBF, 0x85, 0xF4, 0xDF, 0x94, 0xCE, 0x4B, 0x09, 0xC1, 0x94, 0x56, 0x8A, 0xC0,
|
||||
0x13, 0x72, 0xA7, 0xFC, 0x9F, 0x84, 0x4D, 0x73, 0xA3, 0xCA, 0x9A, 0x61, 0x58, 0x97, 0xA3, 0x27,
|
||||
0xFC, 0x03, 0x98, 0x76, 0x23, 0x1D, 0xC7, 0x61, 0x03, 0x04, 0xAE, 0x56, 0xBF, 0x38, 0x84, 0x00,
|
||||
0x40, 0xA7, 0x0E, 0xFD, 0xFF, 0x52, 0xFE, 0x03, 0x6F, 0x95, 0x30, 0xF1, 0x97, 0xFB, 0xC0, 0x85,
|
||||
0x60, 0xD6, 0x80, 0x25, 0xA9, 0x63, 0xBE, 0x03, 0x01, 0x4E, 0x38, 0xE2, 0xF9, 0xA2, 0x34, 0xFF,
|
||||
0xBB, 0x3E, 0x03, 0x44, 0x78, 0x00, 0x90, 0xCB, 0x88, 0x11, 0x3A, 0x94, 0x65, 0xC0, 0x7C, 0x63,
|
||||
0x87, 0xF0, 0x3C, 0xAF, 0xD6, 0x25, 0xE4, 0x8B, 0x38, 0x0A, 0xAC, 0x72, 0x21, 0xD4, 0xF8, 0x07
|
||||
};
|
||||
|
||||
/******************************************
|
||||
Menu
|
||||
*****************************************/
|
||||
// GBA menu items
|
||||
const char GBAMenuItem1[] PROGMEM = "Read Rom";
|
||||
const char GBAMenuItem2[] PROGMEM = "Read Save";
|
||||
const char GBAMenuItem3[] PROGMEM = "Write Save";
|
||||
const char GBAMenuItem4[] PROGMEM = "Reset";
|
||||
const char* const menuOptionsGBA[] PROGMEM = {GBAMenuItem1, GBAMenuItem2, GBAMenuItem3, GBAMenuItem4};
|
||||
|
||||
const char GBARomMenuItem1[] PROGMEM = "4MB";
|
||||
const char GBARomMenuItem2[] PROGMEM = "8MB";
|
||||
const char GBARomMenuItem3[] PROGMEM = "16MB";
|
||||
const char GBARomMenuItem4[] PROGMEM = "32MB";
|
||||
const char* const menuOptionsGBARom[] PROGMEM = {GBARomMenuItem1, GBARomMenuItem2, GBARomMenuItem3, GBARomMenuItem4};
|
||||
|
||||
void gbaMenu() {
|
||||
// create menu with title and 4 options to choose from
|
||||
unsigned char mainMenu;
|
||||
// Copy menuOptions out of progmem
|
||||
convertPgm(menuOptionsGBA, 4);
|
||||
mainMenu = question_box("GBA Cart Reader", menuOptions, 4, 0);
|
||||
|
||||
// wait for user choice to come back from the question box menu
|
||||
switch (mainMenu)
|
||||
{
|
||||
case 0:
|
||||
// Read rom
|
||||
// create submenu with title and 4 options to choose from
|
||||
unsigned char GBARomMenu;
|
||||
// Copy menuOptions out of progmem
|
||||
convertPgm(menuOptionsGBARom, 4);
|
||||
GBARomMenu = question_box("Select ROM size", menuOptions, 4, 0);
|
||||
|
||||
// wait for user choice to come back from the question box menu
|
||||
switch (GBARomMenu)
|
||||
{
|
||||
case 0:
|
||||
// 4MB
|
||||
cartSize = 0x400000;
|
||||
break;
|
||||
|
||||
case 1:
|
||||
// 8MB
|
||||
cartSize = 0x800000;
|
||||
break;
|
||||
|
||||
case 2:
|
||||
// 16MB
|
||||
cartSize = 0x1000000;
|
||||
break;
|
||||
|
||||
case 3:
|
||||
// 32MB
|
||||
cartSize = 0x2000000;
|
||||
break;
|
||||
}
|
||||
|
||||
display_Clear();
|
||||
// Change working dir to root
|
||||
sd.chdir("/");
|
||||
readROM_GBA();
|
||||
sd.chdir("/");
|
||||
compare_checksum_GBA();
|
||||
break;
|
||||
|
||||
case 1:
|
||||
display_Clear();
|
||||
// Change working dir to root
|
||||
sd.chdir("/");
|
||||
readSAVE_GBA();
|
||||
break;
|
||||
|
||||
case 2:
|
||||
display_Clear();
|
||||
// Change working dir to root
|
||||
sd.chdir("/");
|
||||
writeSAVE_GBA();
|
||||
unsigned long wrErrors;
|
||||
wrErrors = verifySAVE_GBA();
|
||||
if (wrErrors == 0) {
|
||||
println_Msg(F("Verified OK"));
|
||||
display_Update();
|
||||
}
|
||||
else {
|
||||
print_Msg(F("Error: "));
|
||||
print_Msg(wrErrors);
|
||||
println_Msg(F(" bytes "));
|
||||
print_Error(F("did not verify."), false);
|
||||
}
|
||||
break;
|
||||
|
||||
case 3:
|
||||
asm volatile (" jmp 0");
|
||||
break;
|
||||
}
|
||||
println_Msg(F(""));
|
||||
println_Msg(F("Press Button..."));
|
||||
display_Update();
|
||||
wait();
|
||||
}
|
||||
|
||||
/******************************************
|
||||
Setup
|
||||
*****************************************/
|
||||
void setup_GBA() {
|
||||
// Set address/data pins to OUTPUT
|
||||
// AD0-AD7
|
||||
DDRF = 0xFF;
|
||||
// AD8-AD15
|
||||
DDRK = 0xFF;
|
||||
// AD16-AD23
|
||||
DDRC = 0xFF;
|
||||
|
||||
// Output a HIGH signal
|
||||
// AD0-AD7
|
||||
PORTF = 0xFF;
|
||||
// AD8-AD15
|
||||
PORTK = 0xFF;
|
||||
// AD16-AD23
|
||||
PORTC = 0xFF;
|
||||
|
||||
// Set Control Pins to Output CS_SRAM(PH0) CS_ROM(PH3) WR(PH5) RD(PH6)
|
||||
// CLK is N/C and IRQ is conected to GND inside the cartridge
|
||||
DDRH |= (1 << 0) | (1 << 3) | (1 << 5) | (1 << 6);
|
||||
// Output a high signal on CS_SRAM(PH0) CS_ROM(PH3) WR(PH5) RD(PH6)
|
||||
// At power-on all the control lines are high/disabled
|
||||
PORTH |= (1 << 0) | (1 << 3) | (1 << 5) | (1 << 6);
|
||||
|
||||
// Delay until all is stable
|
||||
delay(500);
|
||||
|
||||
// Print start page
|
||||
getCartInfo_GBA();
|
||||
display_Clear();
|
||||
|
||||
println_Msg(F("GBA Cart Info"));
|
||||
println_Msg("");
|
||||
print_Msg(F("Rom Name: "));
|
||||
println_Msg(romName);
|
||||
print_Msg(F("Cart ID: "));
|
||||
println_Msg(cartID);
|
||||
print_Msg(F("Checksum: "));
|
||||
println_Msg(checksumStr);
|
||||
print_Msg(F("Version: 1."));
|
||||
println_Msg(romVersion);
|
||||
println_Msg("");
|
||||
|
||||
// Wait for user input
|
||||
println_Msg(F("Press Button..."));
|
||||
display_Update();
|
||||
wait();
|
||||
}
|
||||
|
||||
/******************************************
|
||||
Low level functions
|
||||
*****************************************/
|
||||
// Read one word and toggle both CS and RD
|
||||
word readWord_GBA(unsigned long myAddress) {
|
||||
//divide address by two since we read two bytes per offset
|
||||
unsigned long currAddress = myAddress / 2;
|
||||
|
||||
// Output address to address pins,
|
||||
PORTF = currAddress & 0xFF;
|
||||
PORTK = (currAddress >> 8) & 0xFF;
|
||||
PORTC = (currAddress >> 16) & 0xFF;
|
||||
|
||||
// Wait 30ns, Arduino running at 16Mhz -> one operation = 62.5ns
|
||||
__asm__("nop\n\t");
|
||||
|
||||
// Pull CS_ROM(PH3) LOW to latch the address
|
||||
PORTH &= ~(1 << 3);
|
||||
|
||||
// Wait 120ns between pulling CS and RD LOW
|
||||
__asm__("nop\n\t""nop\n\t");
|
||||
|
||||
// Set address/data pins to LOW, this is important
|
||||
PORTF = 0x0;
|
||||
PORTK = 0x0;
|
||||
// Set address/data ports to input so we can read, but don't enable pullups
|
||||
DDRF = 0x0;
|
||||
DDRK = 0x0;
|
||||
|
||||
// Pull RD(PH6) to LOW to read 16 bytes of data
|
||||
PORTH &= ~ (1 << 6);
|
||||
|
||||
// Wait 120ns for the cartridge rom to write the data to the datalines
|
||||
__asm__("nop\n\t""nop\n\t");
|
||||
|
||||
// Switch CS_ROM(PH3) RD(PH6) to HIGH
|
||||
PORTH |= (1 << 3) | (1 << 6);
|
||||
|
||||
// Read the data off the data lines on the rising edge of the RD line.
|
||||
word tempWord = ((PINF << 8) + PINK) & 0xFFFF;
|
||||
|
||||
// Set address/data pins to output
|
||||
DDRF = 0xFF;
|
||||
DDRK = 0xFF;
|
||||
DDRC = 0xFF;
|
||||
// Output a high signal so there are no floating pins
|
||||
PORTF = 0XFF;
|
||||
PORTK = 0XFF;
|
||||
PORTC = 0XFF;
|
||||
|
||||
// Return the read word
|
||||
return tempWord;
|
||||
}
|
||||
|
||||
// Read multiple bytes into an array by toggling both CS and RD for each byte
|
||||
void readBlock_GBA(unsigned long myAddress, byte myArray[] , int numBytes) {
|
||||
for (int currByte = 0; currByte < numBytes; currByte += 2) {
|
||||
unsigned long currAddress = myAddress + currByte;
|
||||
word currWord = readWord_GBA(currAddress);
|
||||
myArray[currByte] = (currWord >> 8) & 0xFF;
|
||||
myArray[currByte + 1] = currWord & 0xFF;
|
||||
}
|
||||
}
|
||||
/******************************************
|
||||
Game Boy functions
|
||||
*****************************************/
|
||||
// Read info out of rom header
|
||||
void getCartInfo_GBA() {
|
||||
// Read Header into array
|
||||
readBlock_GBA(0, cartBuffer, 192);
|
||||
|
||||
// Nintendo logo check
|
||||
for (int currByte = 0x4; currByte < 0xA0; currByte++) {
|
||||
if (pgm_read_byte(&nintendoLogo[currByte]) != cartBuffer[currByte]) {
|
||||
print_Error(F("Nintendo Logo Error"), false);
|
||||
println_Msg(F(""));
|
||||
println_Msg(F("Press Button..."));
|
||||
display_Update();
|
||||
wait();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Get cart ID
|
||||
cartID[0] = char(cartBuffer[0xAC]);
|
||||
cartID[1] = char(cartBuffer[0xAD]);
|
||||
cartID[2] = char(cartBuffer[0xAE]);
|
||||
cartID[3] = char(cartBuffer[0xAF]);
|
||||
|
||||
// Dump name into 8.3 compatible format
|
||||
byte myByte = 0;
|
||||
byte myLength = 0;
|
||||
for (int addr = 0xA0; addr <= 0xAB; addr++) {
|
||||
myByte = cartBuffer[addr];
|
||||
if (((char(myByte) >= 48 && char(myByte) <= 57) || (char(myByte) >= 65 && char(myByte) <= 122)) && myLength < 8) {
|
||||
romName[myLength] = char(myByte);
|
||||
myLength++;
|
||||
}
|
||||
}
|
||||
|
||||
// Get ROM version
|
||||
romVersion = cartBuffer[0xBC];
|
||||
|
||||
// Get Checksum as string
|
||||
sprintf(checksumStr, "%02X", cartBuffer[0xBD]);
|
||||
|
||||
// Calculate Checksum
|
||||
int calcChecksum = 0x00;
|
||||
for (int n = 0xA0; n < 0xBD; n++) {
|
||||
calcChecksum -= cartBuffer[n];
|
||||
}
|
||||
calcChecksum = (calcChecksum - 0x19) & 0xFF;
|
||||
// Turn into string
|
||||
sprintf(calcChecksumStr, "%02X", calcChecksum);
|
||||
|
||||
// Compare checksum
|
||||
if (strcmp(calcChecksumStr, checksumStr) != 0) {
|
||||
print_Msg(F("Result: "));
|
||||
println_Msg(calcChecksumStr);
|
||||
print_Error(F("Checksum Error"), false);
|
||||
println_Msg(F(""));
|
||||
println_Msg(F("Press Button..."));
|
||||
display_Update();
|
||||
wait();
|
||||
}
|
||||
}
|
||||
|
||||
// Dump ROM
|
||||
void readROM_GBA() {
|
||||
// Get name, add extension and convert to char array for sd lib
|
||||
char fileName[26];
|
||||
strcpy(fileName, romName);
|
||||
strcat(fileName, ".gba");
|
||||
|
||||
// create a new folder for the rom file
|
||||
EEPROM_readAnything(0, foldern);
|
||||
sprintf(folder, "ROM/%s/%d", romName, foldern);
|
||||
sd.mkdir(folder, true);
|
||||
sd.chdir(folder);
|
||||
|
||||
//clear the screen
|
||||
display_Clear();
|
||||
println_Msg(F("Creating folder: "));
|
||||
println_Msg(folder);
|
||||
display_Update();
|
||||
|
||||
// write new folder number back to eeprom
|
||||
foldern = foldern + 1;
|
||||
EEPROM_writeAnything(0, foldern);
|
||||
|
||||
//open file on sd card
|
||||
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
||||
print_Error(F("Can't create file on SD"), true);
|
||||
}
|
||||
|
||||
// Read rom
|
||||
for (int myAddress = 0; myAddress < cartSize; myAddress += 512) {
|
||||
// Fill cartBuffer starting at myAddress and reading 512 bytes into array cartBuffer
|
||||
readBlock_GBA(myAddress, sdBuffer, 512);
|
||||
|
||||
// Write to SD
|
||||
myFile.write(sdBuffer, 512);
|
||||
|
||||
// Pause between blocks, increase if you get errors every numBytes bytes
|
||||
delayMicroseconds(10);
|
||||
}
|
||||
|
||||
// Close the file:
|
||||
myFile.close();
|
||||
|
||||
// Signal end of process
|
||||
print_Msg(F("Saved as "));
|
||||
println_Msg(fileName);
|
||||
}
|
||||
|
||||
// Calculate the checksum of the dumped rom
|
||||
boolean compare_checksum_GBA () {
|
||||
println_Msg(F("Calculating Checksum"));
|
||||
display_Update();
|
||||
|
||||
char fileName[26];
|
||||
strcpy(fileName, romName);
|
||||
strcat(fileName, ".gba");
|
||||
|
||||
// last used rom folder
|
||||
EEPROM_readAnything(0, foldern);
|
||||
sprintf(folder, "ROM/%s/%d", romName, foldern - 1);
|
||||
sd.chdir(folder);
|
||||
|
||||
// If file exists
|
||||
if (myFile.open(fileName, O_READ)) {
|
||||
// Read rom header
|
||||
myFile.read(sdBuffer, 512);
|
||||
myFile.close();
|
||||
|
||||
// Calculate Checksum
|
||||
int calcChecksum = 0x00;
|
||||
for (int n = 0xA0; n < 0xBD; n++) {
|
||||
calcChecksum -= sdBuffer[n];
|
||||
}
|
||||
calcChecksum = (calcChecksum - 0x19) & 0xFF;
|
||||
|
||||
// Turn into string
|
||||
sprintf(calcChecksumStr, "%02X", calcChecksum);
|
||||
|
||||
if (strcmp(calcChecksumStr, checksumStr) == 0) {
|
||||
println_Msg(F("Checksum matches"));
|
||||
display_Update();
|
||||
return 1;
|
||||
}
|
||||
else {
|
||||
print_Msg(F("Result: "));
|
||||
println_Msg(calcChecksumStr);
|
||||
print_Error(F("Checksum Error"), false);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
// Else show error
|
||||
else {
|
||||
print_Error(F("Failed to open rom"), false);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
void readSAVE_GBA() {
|
||||
}
|
||||
|
||||
void writeSAVE_GBA() {
|
||||
}
|
||||
|
||||
unsigned long verifySAVE_GBA() {
|
||||
}
|
||||
|
||||
//******************************************
|
||||
// End of File
|
||||
//******************************************
|
||||
|
|
@ -36,9 +36,7 @@ String button = "N/A";
|
|||
String lastbutton = "N/A";
|
||||
|
||||
// Cartridge ID and size
|
||||
char cartID[5];
|
||||
byte saveType;
|
||||
unsigned long cartSize;
|
||||
|
||||
// Rom base address
|
||||
unsigned long romBase = 0x10000000;
|
||||
|
|
|
|||
|
|
@ -91,31 +91,31 @@ void NPGameMenu() {
|
|||
if (hasMenu) {
|
||||
// Create submenu options
|
||||
char menuOptionsNPGames[8][20];
|
||||
for (int i = 0; i < (numGames - 1); i++) {
|
||||
strncpy(menuOptionsNPGames[i], gameCode[i + 1], 10);
|
||||
for (int i = 0; i < (numGames); i++) {
|
||||
strncpy(menuOptionsNPGames[i], gameCode[i], 10);
|
||||
}
|
||||
|
||||
// Create menu with title and numGames - 1 options to choose from
|
||||
// Create menu with title and numGames options to choose from
|
||||
unsigned char gameSubMenu;
|
||||
// wait for user choice to come back from the question box menu
|
||||
gameSubMenu = question_box("Select Game", menuOptionsNPGames, numGames - 1, 0);
|
||||
gameSubMenu = question_box("Select Game", menuOptionsNPGames, numGames, 0);
|
||||
|
||||
// Switch to game
|
||||
send_NP(gameSubMenu + 0x81);
|
||||
send_NP(gameSubMenu + 0x80);
|
||||
delay(200);
|
||||
// Check for successfull switch
|
||||
byte timeout = 0;
|
||||
while (readBank_SNES(0, 0x2400) != 0x7D) {
|
||||
delay(200);
|
||||
// Try again
|
||||
send_NP(gameSubMenu + 0x81);
|
||||
send_NP(gameSubMenu + 0x80);
|
||||
delay(200);
|
||||
timeout++;
|
||||
// Abort, something is wrong
|
||||
if (timeout == 5) {
|
||||
display_Clear();
|
||||
print_Msg(F("Game "));
|
||||
print_Msg(gameSubMenu + 0x81, HEX);
|
||||
print_Msg(gameSubMenu + 0x80, HEX);
|
||||
println_Msg(F(" Timeout"));
|
||||
println_Msg(readBank_SNES(0, 0x2400), HEX);
|
||||
println_Msg(F(""));
|
||||
|
|
@ -1328,7 +1328,7 @@ byte send_NP(byte command) {
|
|||
// Switch to read
|
||||
dataIn();
|
||||
controlIn_SNES();
|
||||
|
||||
|
||||
// Read status
|
||||
NPReady = readBank_SNES(0, 0x2400);
|
||||
|
||||
|
|
|
|||
1243
Cart_Reader/SNES.ino
Normal file
1243
Cart_Reader/SNES.ino
Normal file
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user