mirror of
https://github.com/sanni/cartreader.git
synced 2024-11-15 01:15:06 +01:00
Support Flash repro A29040B
This commit is contained in:
Wesley Marques
parent
2e5aa97bef
commit
0cfb7f46ed
@ -244,7 +244,7 @@ uint8_t ramsize;
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static const char nesMenuItem1[] PROGMEM = "Read iNES Rom";
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static const char nesMenuItem2[] PROGMEM = "Read PRG/CHR";
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static const char nesMenuItem5[] PROGMEM = "Change Mapper";
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static const char nesMenuItem6[] PROGMEM = "Flash NESMaker";
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static const char nesMenuItem6[] PROGMEM = "Flash Repro";
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static const char* const menuOptionsNES[] PROGMEM = { nesMenuItem1, nesMenuItem2, FSTRING_READ_SAVE, FSTRING_WRITE_SAVE, nesMenuItem5, nesMenuItem6, FSTRING_RESET };
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// NES chips menu
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@ -254,6 +254,12 @@ static const char nesChipsMenuItem3[] PROGMEM = "Read only CHR";
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static const char nesChipsMenuItem4[] PROGMEM = "Back";
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static const char* const menuOptionsNESChips[] PROGMEM = { nesChipsMenuItem1, nesChipsMenuItem2, nesChipsMenuItem3, nesChipsMenuItem4 };
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// Repro Writer Menu
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static const char nesFlashMenuItem1[] PROGMEM = "Flash NesMaker";
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static const char nesFlashMenuItem2[] PROGMEM = "Flash A29040B-MAPPER0";
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static const char nesFlashMenuItem3[] PROGMEM = "Back";
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static const char* const menuOptionsNESFlash[] PROGMEM = { nesFlashMenuItem1, nesFlashMenuItem2, nesFlashMenuItem3 };
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// NES start menu
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void nesMenu() {
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unsigned char answer;
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@ -324,20 +330,7 @@ void nesMenu() {
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// Write FLASH
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case 5:
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if (mapper == 30) {
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writeFLASH();
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resetROM();
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} else {
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display_Clear();
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println_Msg(FS(string_error5));
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println_Msg(F("Can't write to this cartridge"));
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println_Msg(FS(FSTRING_EMPTY));
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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}
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wait();
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break;
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nesFlashMenu();
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// Reset
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case 6:
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@ -401,6 +394,53 @@ void nesChipMenu() {
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}
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}
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void nesFlashMenu() {
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// create menu with title "Select NES Flash Repro" and 3 options to choose from
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convertPgm(menuOptionsNESFlash, 3);
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unsigned char answer = question_box(F("Select Flash Writer"), menuOptions, 3, 0);
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switch (answer) {
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case 0:
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if (mapper == 30) {
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writeFLASH();
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resetROM();
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} else {
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display_Clear();
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println_Msg(FS(string_error5));
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println_Msg(F("Can't write to this cartridge"));
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println_Msg(FS(FSTRING_EMPTY));
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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}
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wait();
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break;
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case 1:
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if (mapper == 0) {
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display_Clear();
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A29040B_writeFLASH();
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display_Update();
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wait();
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} else {
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display_Clear();
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println_Msg(FS(string_error5));
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println_Msg(F("Can't write to this cartridge"));
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println_Msg(mapper);
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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}
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break;
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// Return to Main Menu
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case 2:
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nesMenu();
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wait();
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break;
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}
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}
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/******************************************
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Setup
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*****************************************/
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@ -821,6 +861,30 @@ static void write_prg_byte(unsigned int address, uint8_t data) {
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// _delay_us(1);
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}
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static void write_chr_byte(unsigned int address, uint8_t data)
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{
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PHI2_LOW;
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ROMSEL_HI;
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MODE_WRITE;
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PORTK = data;
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set_address(address); // PHI2 low, ROMSEL always HIGH
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_delay_us(1);
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CHR_WRITE_LOW;
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_delay_us(1); // WRITING
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CHR_WRITE_HI;
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_delay_us(1);
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MODE_READ;
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set_address(0);
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PHI2_HI;
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//_delay_us(1);
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}
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void resetROM() {
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set_address(0);
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PHI2_HI;
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@ -4265,6 +4329,302 @@ void writeFLASH() {
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filePath[0] = '\0'; // Reset filePath
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}
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/******************************************
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A29040B Flash Cart [A29040B]
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*****************************************/
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// A29040B Software ID
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void A29040B_ID() { // Read Flash ID
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write_prg_byte(0x9555, 0xAA);
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write_prg_byte(0xAAAA, 0x55);
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write_prg_byte(0x9555, 0x90);
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flashid = read_prg_byte(0x8000) << 8;
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flashid |= read_prg_byte(0x8001);
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sprintf(flashid_str, "%04X", flashid);
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if (flashid == 0x3786) // A29040B
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flashfound = 1;
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A29040B_PRG_ResetFlash();
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}
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void A29040B_PRG_ResetFlash() { // Reset Flash
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write_prg_byte(0x9555, 0xAA);
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write_prg_byte(0xAAAA, 0x55);
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write_prg_byte(0x9555, 0xF0); // Reset
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delayMicroseconds(14); // Typical 14us
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}
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void A29040B_PRG_Write(uint16_t address, uint8_t data) {
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write_prg_byte(0x9555, 0xAA);
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write_prg_byte(0xAAAA, 0x55);
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write_prg_byte(0x9555, 0xA0);
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write_prg_byte(address, data); // $8000-$BFFF
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delayMicroseconds(20); // Typical 14us
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}
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void A29040B_PRG_SectorErase(uint16_t sec) {
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if (flashfound) {
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write_prg_byte(0x9555, 0xAA);
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write_prg_byte(0xAAAA, 0x55);
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write_prg_byte(0x9555, 0x80); //->setup
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write_prg_byte(0x9555, 0xAA);
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write_prg_byte(0xAAAA, 0x55);
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write_prg_byte(sec, 0x30); //->erase
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delay(1000); // WAIT MORE
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} else {
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println_Msg(F("FLASH NOT DETECTED OR SECTOR PROTECTED"));
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}
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}
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void A29040B_PRG_ChipErase() {
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if (flashfound) {
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write_prg_byte(0x9555, 0xAA);
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write_prg_byte(0xAAAA, 0x55);
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write_prg_byte(0x9555, 0x80); //->setup
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write_prg_byte(0x9555, 0xAA);
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write_prg_byte(0xAAAA, 0x55);
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write_prg_byte(0x9555, 0x10); //->erase
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delay(8000); // WAIT MORE
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} else {
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println_Msg(F("FLASH NOT DETECTED OR SECTOR PROTECTED"));
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}
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}
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// CHR ================================================
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void A29040B_CHR_ResetFlash() { // Reset Flash
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write_chr_byte(0x0555, 0xAA); // Original address for CHR
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write_chr_byte(0x02AA, 0x55); // Original address for CHR
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write_chr_byte(0x0555, 0xF0); // Reset command with original address
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delayMicroseconds(14); // Typical 14us
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}
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void A29040B_CHR_Write(uint16_t address, uint8_t data) {
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write_chr_byte(0x0555, 0xAA); // Original address for CHR
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write_chr_byte(0x02AA, 0x55); // Original address for CHR
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write_chr_byte(0x0555, 0xA0); // Program command with original address
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write_chr_byte(address, data); // CHR address range (0x0000 - 0x1FFF)
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delayMicroseconds(20); // Typical 14us
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}
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void A29040B_CHR_SectorErase(uint16_t sec) {
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if (flashfound) {
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write_chr_byte(0x0555, 0xAA); // Original address for CHR
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write_chr_byte(0x02AA, 0x55); // Original address for CHR
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write_chr_byte(0x0555, 0x80); // Erase Setup with original address
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write_chr_byte(0x0555, 0xAA); // Original address for CHR
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write_chr_byte(0x02AA, 0x55); // Original address for CHR
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write_chr_byte(sec, 0x30); // Sector Erase Command with sector address
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delay(1000); // WAIT MORE
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} else {
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println_Msg(F("FLASH NOT DETECTED OR SECTOR PROTECTED"));
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}
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}
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void A29040B_CHR_ChipErase() {
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if (flashfound) {
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write_chr_byte(0x0555, 0xAA); // Original address for CHR
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write_chr_byte(0x02AA, 0x55); // Original address for CHR
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write_chr_byte(0x0555, 0x80); // Erase Setup with original address
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write_chr_byte(0x0555, 0xAA); // Original address for CHR
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write_chr_byte(0x02AA, 0x55); // Original address for CHR
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write_chr_byte(0x0555, 0x10); // Chip Erase Command with original address
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delay(8000); // WAIT MORE
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} else {
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println_Msg(F("FLASH NOT DETECTED OR SECTOR PROTECTED"));
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}
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}
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#define A29040B_TITLE "FLASH A29040B MAPPER 0"
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void A29040B_writeFLASH() {
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display_Clear();
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A29040B_ID();
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char data_str[10];
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uint32_t prgSize = 0;
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uint32_t chrSize = 0;
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if (!flashfound) {
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rgbLed(red_color);
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println_Msg(F(A29040B_TITLE));
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println_Msg(FS(FSTRING_EMPTY));
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print_Msg(F("Flash ID: "));
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println_Msg(flashid_str);
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println_Msg(FS(FSTRING_EMPTY));
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println_Msg(F("FLASH NOT FOUND"));
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display_Update();
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wait();
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} else {
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println_Msg(F(A29040B_TITLE));
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println_Msg(FS(FSTRING_EMPTY));
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print_Msg(F("Flash ID: "));
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println_Msg(flashid_str);
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println_Msg(FS(FSTRING_EMPTY));
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println_Msg(F("Flash Found"));
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println_Msg(FS(FSTRING_EMPTY));
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display_Update();
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delay(3000);
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fileBrowser(F("Select FLASH File"));
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sd.chdir();
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sprintf(filePath, "%s/%s", filePath, fileName);
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if (myFile.open(filePath, O_READ)) {
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// Step 1: Read the header and extract PRG and CHR sizes
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uint8_t header[16];
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myFile.read(header, 16); // Read the 16-byte header
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uint32_t prgAddress = 0x8000;
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prgSize = (uint32_t)header[4] * 16384; // PRG size in bytes (header[4] gives size in 16 KB units)
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chrSize = (uint32_t)header[5] * 8192; // CHR size in bytes (header[5] gives size in 8 KB units)
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// Output the sizes for verification
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display_Clear();
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println_Msg(F(A29040B_TITLE));
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println_Msg(FS(FSTRING_EMPTY));
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println_Msg(F("PRG Size:"));
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sprintf(data_str, "%lu", prgSize);
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println_Msg(data_str);
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println_Msg(F("CHR Size:"));
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sprintf(data_str, "%lu", chrSize);
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println_Msg(data_str);
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display_Update();
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delay(3000);
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// Step 2: Erase the entire PRG space
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rgbLed(red_color);
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display_Clear();
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println_Msg(F(A29040B_TITLE));
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println_Msg(FS(FSTRING_EMPTY));
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A29040B_PRG_ResetFlash();
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println_Msg(F("ERASING PRG..."));
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display_Update();
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A29040B_PRG_ChipErase();
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uint8_t readByte = read_prg_byte(prgAddress);
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if (readByte != 0xFF) {
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println_Msg(F("Erase Error!"));
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} else {
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println_Msg(F("Erase OK!"));
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}
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display_Update();
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// Verify that the first byte has been erased
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uint8_t erase_check = read_prg_byte(0x8000);
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if (erase_check != 0xFF) {
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println_Msg(F("SECTOR NOT ERASED"));
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sprintf(data_str, "%02X", erase_check);
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println_Msg(data_str);
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return;
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}
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delay(18); // Adjust delay as needed
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rgbLed(red_color);
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println_Msg(FS(FSTRING_EMPTY));
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println_Msg(F("Writing PRG Data..."));
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display_Update();
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A29040B_PRG_ResetFlash();
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// Step 3: Write PRG data
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uint32_t bytesProcessed = 0;
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uint8_t buffer[512];
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myFile.seek(16); // Skip header to start of PRG data
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while (bytesProcessed < prgSize) {
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int bytesRead = myFile.read(buffer, sizeof(buffer));
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if (bytesRead <= 0) break;
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for (int i = 0; i < bytesRead; i++) {
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A29040B_PRG_Write(prgAddress++, buffer[i]);
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delayMicroseconds(14); // Typical 14us
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uint8_t readByte = read_prg_byte(prgAddress - 1);
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delayMicroseconds(14); // Typical 14us
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if (readByte != buffer[i]) {
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println_Msg(F("Write Error!"));
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sprintf(data_str, "%02X", readByte);
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println_Msg(data_str);
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myFile.close();
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break;
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}
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}
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bytesProcessed += bytesRead;
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}
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// Step 4: Erase and Write CHR data
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A29040B_CHR_ResetFlash();
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display_Clear();
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println_Msg(F(A29040B_TITLE));
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println_Msg(FS(FSTRING_EMPTY));
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println_Msg(F("ERASING CHR..."));
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display_Update();
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A29040B_CHR_ChipErase();
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delay(20);
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display_Clear();
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uint32_t chrAddress = 0x0000;
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bytesProcessed = 0;
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myFile.seek(16 + prgSize); // Seek to the start of CHR data
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readByte = read_chr_byte(chrAddress);
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if (readByte != 0xFF) {
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println_Msg(F("Erase Error!"));
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} else {
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println_Msg(F("Erase OK!"));
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}
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display_Update();
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println_Msg(F("Writing CHR Data..."));
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display_Update();
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while (bytesProcessed < chrSize) {
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int bytesRead = myFile.read(buffer, sizeof(buffer));
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if (bytesRead <= 0) break;
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for (int i = 0; i < bytesRead; i++) {
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A29040B_CHR_Write(chrAddress++, buffer[i]);
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delayMicroseconds(14); // Typical 14us
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uint8_t readByte = read_chr_byte(chrAddress - 1);
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delayMicroseconds(14); // Typical 14us
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if (readByte != buffer[i]) {
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println_Msg(F("Write Error!"));
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sprintf(data_str, "%02X", readByte);
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println_Msg(data_str);
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myFile.close();
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break;
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}
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}
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bytesProcessed += bytesRead;
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}
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delay(3000);
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myFile.close();
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rgbLed(green_color);
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display_Clear();
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println_Msg(F(A29040B_TITLE));
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println_Msg(FS(FSTRING_EMPTY));
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println_Msg(F("FLASH FILE WRITTEN!"));
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display_Update();
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} else {
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rgbLed(red_color);
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println_Msg(F("SD ERROR"));
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display_Update();
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}
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display_Update();
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}
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}
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// avoid warnings
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#undef MODE_READ
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#undef MODE_WRITE
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