mirror of
https://github.com/sanni/cartreader.git
synced 2024-11-15 01:15:06 +01:00
SMS Updates
1. SMS cart size detection algorithm is updated based on bank count instead of multiples of detected cart size from the header. 2. SMS cart size detection is only invoked if the "TMR SEGA" header is parsed for non-JP carts. 3. Manual selection of ROM size is now present in the SMS/GG menus to allow for manual override as detection algorithm does not work correctly for Cloud Master and Penguin Land US SMS carts. 4. SG-1000 Operation menu now allows for reset instead of relying on a power cycle.
This commit is contained in:
Andy Miles
parent
7c9a1b6c01
commit
644e1dc944
@ -16,7 +16,11 @@ static const char SMSAdapterItem6[] PROGMEM = "SG-1000 raphnet";
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static const char* const SMSAdapterMenu[] PROGMEM = { SMSAdapterItem1, SMSAdapterItem2, SMSAdapterItem3, SMSAdapterItem4, SMSAdapterItem5, SMSAdapterItem6 };
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// Operations menu
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static const char* const SMSOperationMenu[] PROGMEM = { FSTRING_READ_ROM, FSTRING_READ_SAVE, FSTRING_WRITE_SAVE, FSTRING_RESET };
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static const char SMSOperationMenuItem4[] PROGMEM = "Set ROM Size";
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static const char* const SMSOperationMenu[] PROGMEM = { FSTRING_READ_ROM, FSTRING_READ_SAVE, FSTRING_WRITE_SAVE, SMSOperationMenuItem4, FSTRING_RESET };
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// SG Operations menu
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static const char* const SGOperationsMenu[] PROGMEM = { FSTRING_READ_ROM, FSTRING_RESET };
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// Rom sizes menu
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static const char SMSRomSizeItem1[] PROGMEM = "8 KB";
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@ -43,6 +47,9 @@ static bool adapter_raphnet = false; // raphet adapater (SMS-to-MD or MIII-to-M
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static bool adapter_retrode = false; // Retrode adapter (SMS-to-MD or GG-to-MD)
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static bool adapter_retron = false; // Retron 3in1 adapter (SMS-to-MD or GG-to-MD)
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// Manual ROM Size Selection Flag
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bool manRomSizeSelected = false;
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//*********************************************************
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// Main menu with systems/adapters setups to choose from
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//*********************************************************
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@ -57,91 +64,99 @@ void smsMenu() {
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system_sms = true;
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adapter_raphnet = true;
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break;
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case 1:
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// SMS with Retrode adapter
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system_sms = true;
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adapter_retrode = true;
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break;
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case 2:
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// SMS with Retron 3in1 adapter
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system_sms = true;
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adapter_retron = true;
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break;
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case 3:
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// GameGear with Retrode adapter
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system_gg = true;
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adapter_retrode = true;
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break;
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case 4:
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// GameGear with Retron 3in1 adapter
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system_gg = true;
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adapter_retron = true;
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break;
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case 5:
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// SG-1000 with raphnet adapter
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system_sg1000 = true;
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adapter_raphnet = true;
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break;
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}
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for (;;) smsOperations();
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for (;;) operationsMenu();
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}
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//****************************************************
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// Create custom menu depending on selected setup
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//****************************************************
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void smsOperations() {
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void operationsMenu() {
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unsigned char SMSOperation = '3';
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convertPgm(SMSOperationMenu, 4);
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if (system_sms) {
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if (adapter_raphnet) {
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SMSOperation = question_box(FS(SMSAdapterItem1), menuOptions, 4, 0);
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} else if (adapter_retrode) {
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SMSOperation = question_box(FS(SMSAdapterItem2), menuOptions, 4, 0);
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} else if (adapter_retron) {
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SMSOperation = question_box(FS(SMSAdapterItem3), menuOptions, 4, 0);
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if (system_sg1000) {
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convertPgm(SGOperationsMenu, 2);
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SMSOperation = question_box(FS(SMSAdapterItem6), menuOptions, 2, 0);
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switch (SMSOperation) {
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case 0: // Read ROM
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mode = CORE_SMS;
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setup_SMS();
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readROM_SMS();
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break;
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default:
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case 1:
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// Reset
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resetArduino();
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break;
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}
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} else if (system_gg) {
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if (adapter_retrode) {
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SMSOperation = question_box(FS(SMSAdapterItem4), menuOptions, 4, 0);
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} else if (adapter_retron) {
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SMSOperation = question_box(FS(SMSAdapterItem5), menuOptions, 4, 0);
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} else {
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convertPgm(SMSOperationMenu, 5);
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if (system_sms) {
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if (adapter_raphnet) {
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SMSOperation = question_box(FS(SMSAdapterItem1), menuOptions, 5, 0);
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} else if (adapter_retrode) {
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SMSOperation = question_box(FS(SMSAdapterItem2), menuOptions, 5, 0);
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} else if (adapter_retron) {
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SMSOperation = question_box(FS(SMSAdapterItem3), menuOptions, 5, 0);
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}
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} else if (system_gg) {
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if (adapter_retrode) {
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SMSOperation = question_box(FS(SMSAdapterItem4), menuOptions, 5, 0);
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} else if (adapter_retron) {
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SMSOperation = question_box(FS(SMSAdapterItem5), menuOptions, 5, 0);
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}
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}
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} else if (system_sg1000) {
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SMSOperation = question_box(FS(SMSAdapterItem6), menuOptions, 1, 0);
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}
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switch (SMSOperation) {
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case 0:
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// Read ROM
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mode = CORE_SMS;
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setup_SMS();
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readROM_SMS();
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break;
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case 1:
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// Read SRAM
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mode = CORE_SMS;
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setup_SMS();
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readSRAM_SMS();
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break;
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case 2:
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// Write SRAM
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mode = CORE_SMS;
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setup_SMS();
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writeSRAM_SMS();
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break;
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case 3:
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// Reset
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resetArduino();
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break;
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switch (SMSOperation) {
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case 0: // Read ROM
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mode = CORE_SMS;
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setup_SMS();
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readROM_SMS();
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break;
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case 1: // Read SRAM
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mode = CORE_SMS;
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setup_SMS();
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readSRAM_SMS();
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break;
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case 2: // Write SRAM
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mode = CORE_SMS;
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setup_SMS();
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writeSRAM_SMS();
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break;
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case 3: // Select ROM Size
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manual_selectRomSize();
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break;
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default:
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case 4:
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// Reset
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resetArduino();
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break;
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}
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}
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display_Update();
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@ -209,8 +224,10 @@ void setup_SMS() {
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delay(400);
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// Read and print cart info
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getCartInfo_SMS();
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// Read and print cart info only if ROM size not manually selected
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if (manRomSizeSelected == false) {
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getCartInfo_SMS();
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}
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}
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//*****************************************
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@ -354,42 +371,43 @@ byte readNibble(byte data, byte number) {
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// Cartridges functions
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//*****************************************
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void getCartInfo_SMS() {
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// Get rom size
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switch (readNibble(readByte_SMS(0x7FFF), 0)) {
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// Adding UL gets rid of integer overflow compiler warning
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byte cartNib = readNibble(readByte_SMS(0x7FFF), 0);
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// Get rom size from header
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// Note: Common for this value to be smaller than the actual value.
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// Normally used for BIOS checksum calculations on export hardware (non JP).
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switch (cartNib) {
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case 0xa:
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cartSize = 8 * 1024UL;
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cartSize = 8192; // 8 KiB
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break;
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case 0xb:
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cartSize = 16 * 1024UL;
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cartSize = 16384; // 16 KiB
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break;
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case 0xc:
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cartSize = 32 * 1024UL;
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cartSize = 32768; // 32 KiB
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break;
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case 0xd:
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cartSize = 48 * 1024UL;
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cartSize = 49152; // 48 KiB
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break;
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case 0xe:
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cartSize = 64 * 1024UL;
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cartSize = 65536; // 64 KiB
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break;
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case 0xf:
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cartSize = 128 * 1024UL;
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cartSize = 131072; // 128 KiB
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break;
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case 0x0:
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cartSize = 256 * 1024UL;
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cartSize = 262144; // 256 KiB
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break;
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case 0x1:
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cartSize = 512 * 1024UL;
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break;
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case 0x2:
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cartSize = 512 * 1024UL;
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cartSize = 524288; // 512 KiB
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break;
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case 0x3:
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// 0x3 is (only?) used in The Pro Yakyuu '91 (Game Gear)
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cartSize = 128 * 1024UL;
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cartSize = 131072; // 128 KiB
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break;
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default:
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cartSize = 48 * 1024UL;
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cartSize = 49152; // 48 KiB
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// LED Error
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rgbLed(blue_color);
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break;
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@ -402,136 +420,77 @@ void getCartInfo_SMS() {
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romName[8] = '\0';
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// Attempt to detect cart size by checking if "TMR SEGA" is mirrored
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unsigned long mirror_offset = cartSize;
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char romName2[9];
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while (mirror_offset < 1024 * 1024UL) {
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byte bank = 1 + (mirror_offset / (16 * 1024UL));
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writeByte_SMS(0xfffe, bank);
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for (byte i = 0; i < 8; i++) {
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romName2[i] = char(readByte_SMS(0x7FF0 + i));
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}
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romName2[8] = '\0';
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// print_Msg(F("Name2: "));
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// println_Msg(romName2);
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// print_Msg(F("from bank "));
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// print_Msg(bank);
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// print_Msg(F(" offset "));
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// print_Msg_PaddedHex32(mirror_offset + 0x7FF0);
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// println_Msg(FS(FSTRING_EMPTY));
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if (strcmp(romName2, romName) == 0) {
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break;
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}
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if (cartSize == 48 * 1024UL) {
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cartSize = 64 * 1024UL;
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} else {
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cartSize *= 2;
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}
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mirror_offset = cartSize;
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}
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writeByte_SMS(0xFFFE, 1);
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// Fix for "Fantasy Zone (J) (V1.0)" that has not the normal header, but "COPYRIGHT SEGAPRG. BY T.ASAI".
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char headerFZ[29];
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if (strcmp(romName, "G. BY T.A") != 0) {
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for (byte i = 0; i < 28; i++) {
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headerFZ[i] = char(readByte_SMS(0x7FE0 + i));
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}
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headerFZ[28] = '\0';
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if (strcmp(headerFZ, "COPYRIGHT SEGAPRG. BY T.ASAI") == 0) {
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strcpy(romName, "TMR SEGA");
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cartSize = 128 * 1024UL;
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}
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}
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// If "TMR SEGA" header is not found
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if (strcmp(romName, "TMR SEGA") != 0) {
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// Set rom size manually
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unsigned char SMSRomSize;
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if (system_sg1000) {
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// Rom sizes for SG-1000
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convertPgm(SG1RomSizeMenu, 4);
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SMSRomSize = question_box(F("Select ROM size"), menuOptions, 4, 0);
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switch (SMSRomSize) {
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case 0:
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cartSize = 8 * 1024UL; // 8KB
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break;
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case 1:
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cartSize = 16 * 1024UL; // 16KB
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break;
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case 2:
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cartSize = 24 * 1024UL; // 24KB
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break;
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case 3:
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cartSize = 32 * 1024UL; // 32KB
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break;
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//case 4:
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// cartSize = 40 * 1024UL; // 40KB
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// break;
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//case 5:
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// cartSize = 48 * 1024UL; // 48KB
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// break;
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// Based on https://www.raphnet.net/electronique/sms_cartridge_programmer/index_en.php#6
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// Note: Logic does not work on US CloudMaster (256K) and Penquin Land (128K) SMS carts.
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// Both detect as 512 KB based on the logic below.
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if (strcmp(romName, "TMR SEGA") == 0) {
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byte bank = 1;
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char romNameBuf[9];
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while (bank < 64) { // Total number of possible banks: 1 MiB / 16 (KiB/Bank)
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bank++; // Increment the bank
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writeByte_SMS(0xfffe, bank); // Load bank into slot 1
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for (byte i = 0; i < 8; i++) {
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romNameBuf[i] = char(readByte_SMS(0x7FF0 + i));
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}
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} else {
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// Rom sizes for SMS and GG
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convertPgm(SMSRomSizeMenu, 6);
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SMSRomSize = question_box(F("Select ROM size"), menuOptions, 6, 0);
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switch (SMSRomSize) {
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case 0:
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cartSize = 32 * 1024UL; // 32KB
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break;
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case 1:
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cartSize = 64 * 1024UL; // 64KB
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break;
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case 2:
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cartSize = 128 * 1024UL; // 128KB
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break;
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case 3:
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cartSize = 256 * 1024UL; // 256KB
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break;
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case 4:
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cartSize = 512 * 1024UL; // 512KB
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break;
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case 5:
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cartSize = 1024 * 1024UL; // 1MB
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break;
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romNameBuf[8] = '\0';
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// Debug info:
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// print_Msg(F("Bank: "));
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// println_Msg(bank);
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// print_Msg(F("Parsed ROM name: "));
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// println_Msg(romNameBuf);
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// println_Msg(FS(FSTRING_EMPTY));
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if (strcmp(romNameBuf, romName) == 0) {
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break;
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}
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}
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if (bank > 2) { // 32 KiB is the smallest SMS/GG ROM size
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cartSize = (bank - 1) * 16384UL;
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}
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// Debug info:
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// print_Msg(F("Calculated ROM Size: "));
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// println_Msg(cartSize);
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// Reset Bank Slot 1
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writeByte_SMS(0xFFFE, 1);
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// Display header info
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display_Clear();
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if (system_sms) {
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println_Msg(F("SMS Header:"));
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} else {
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println_Msg(F("GG Header:"));
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}
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} else { // romName != "TMR SEGA"
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// Fix for "Fantasy Zone (J) (V1.0)" that has not the normal header, but "COPYRIGHT SEGAPRG. BY T.ASAI".
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char headerFZ[29];
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if (strcmp(romName, "G. BY T.A") != 0) {
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for (byte i = 0; i < 28; i++) {
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headerFZ[i] = char(readByte_SMS(0x7FE0 + i));
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}
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headerFZ[28] = '\0';
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if (strcmp(headerFZ, "COPYRIGHT SEGAPRG. BY T.ASAI") == 0) {
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strcpy(romName, "TMR SEGA");
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cartSize = 131072; // 128 KiB
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}
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}
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manual_selectRomSize();
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// Display cart info
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display_Clear();
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println_Msg(F("SMS/GG header not found"));
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println_Msg(FS(FSTRING_SPACE));
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print_Msg(FS(FSTRING_NAME));
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println_Msg(romName);
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print_Msg(F("Selected Size: "));
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print_Msg(cartSize / 1024);
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println_Msg(F("KB"));
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println_Msg(FS(FSTRING_SPACE));
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sprintf(romName, "UNKNOWN");
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}
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// If "TMR SEGA" header is found
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else {
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display_Clear();
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if (system_sms) {
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println_Msg(F("SMS header info"));
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} else {
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println_Msg(F("GG header info"));
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}
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println_Msg(FS(FSTRING_SPACE));
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print_Msg(FS(FSTRING_NAME));
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println_Msg(romName);
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print_Msg(FS(FSTRING_SIZE));
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print_Msg(cartSize / 1024);
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println_Msg(F("KB"));
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println_Msg(FS(FSTRING_SPACE));
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}
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println_Msg(FS(FSTRING_SPACE));
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print_Msg(FS(FSTRING_NAME));
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println_Msg(romName);
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print_Msg(cartSize / 1024);
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println_Msg(F("KB"));
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println_Msg(FS(FSTRING_SPACE));
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// Wait for user input
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#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
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@ -545,6 +504,71 @@ void getCartInfo_SMS() {
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rgbLed(black_color);
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}
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void manual_selectRomSize() {
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// Set rom size manually
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unsigned char SMSRomSize;
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if (system_sg1000) {
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// Rom sizes for SG-1000
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convertPgm(SG1RomSizeMenu, 4);
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SMSRomSize = question_box(F("Select ROM size"), menuOptions, 4, 0);
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switch (SMSRomSize) {
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case 0:
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cartSize = 8192; // 8 KiB
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break;
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case 1:
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cartSize = 16384; // 16 KiB
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break;
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case 2:
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cartSize = 24576; // 24 KiB
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break;
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case 3:
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cartSize = 32768; // 32 KiB
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break;
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//case 4:
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// cartSize = 40960; // 40KB
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// break;
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//case 5:
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// cartSize = 49152; // 48KB
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// break;
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}
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} else {
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// Rom sizes for SMS and GG
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convertPgm(SMSRomSizeMenu, 6);
|
||||
SMSRomSize = question_box(F("Select ROM size"), menuOptions, 6, 0);
|
||||
switch (SMSRomSize) {
|
||||
case 0:
|
||||
cartSize = 32768; // 32 KiB
|
||||
break;
|
||||
case 1:
|
||||
cartSize = 65536; // 64 KiB
|
||||
break;
|
||||
case 2:
|
||||
cartSize = 131072; // 128 KiB
|
||||
break;
|
||||
case 3:
|
||||
cartSize = 262144; // 256 KiB
|
||||
break;
|
||||
case 4:
|
||||
cartSize = 524288; // 512 KiB
|
||||
break;
|
||||
case 5:
|
||||
cartSize = 1048576; // 1 MiB
|
||||
break;
|
||||
}
|
||||
}
|
||||
strcpy(romName, "UNKNOWN"); // Use default UNKNOWN rom name upon manual selection
|
||||
manRomSizeSelected = true; // This ensures manually selected value is used upon read from the menu
|
||||
|
||||
// Display info
|
||||
display_Clear();
|
||||
print_Msg(F("Selected Size: "));
|
||||
print_Msg(cartSize / 1024);
|
||||
println_Msg(F("KB"));
|
||||
|
||||
print_STR(press_button_STR, 1);
|
||||
}
|
||||
|
||||
//******************************************
|
||||
// Read ROM and save it to the SD card
|
||||
//******************************************
|
||||
@ -560,16 +584,20 @@ void readROM_SMS() {
|
||||
|
||||
printAndIncrementFolder(true);
|
||||
|
||||
print_Msg(F("ROM Size: "));
|
||||
print_Msg(cartSize / 1024);
|
||||
println_Msg(F("KB"));
|
||||
|
||||
// Open file on sd card
|
||||
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
||||
print_FatalError(sd_error_STR);
|
||||
}
|
||||
|
||||
// Set default bank size to 16KB
|
||||
word bankSize = 16 * 1024UL;
|
||||
// Set default bank size to 16 KiB
|
||||
word bankSize = 16384;
|
||||
|
||||
// For carts not using mappers (SG1000 or SMS/GG 32KB)
|
||||
if ((system_sg1000) || (cartSize == 32 * 1024UL)) {
|
||||
// For carts not using mappers (SG1000 or SMS/GG 32 KiB)
|
||||
if ((system_sg1000) || (cartSize == 32768)) {
|
||||
bankSize = cartSize;
|
||||
}
|
||||
|
||||
@ -591,7 +619,7 @@ void readROM_SMS() {
|
||||
for (word currBuffer = 0; currBuffer < bankSize; currBuffer += 512) {
|
||||
// Fill SD buffer
|
||||
for (int currByte = 0; currByte < 512; currByte++) {
|
||||
sdBuffer[currByte] = readByte_SMS(((system_sg1000) || (cartSize == 32 * 1024UL) ? 0 : 0x8000) + currBuffer + currByte);
|
||||
sdBuffer[currByte] = readByte_SMS(((system_sg1000) || (cartSize == 32768) ? 0 : 0x8000) + currBuffer + currByte);
|
||||
}
|
||||
// hexdump for debugging:
|
||||
// if (currBank == 0 && currBuffer == 0) {
|
||||
@ -649,16 +677,16 @@ void readSRAM_SMS() {
|
||||
}
|
||||
createFolderAndOpenFile(system, "SAVE", romName, "sav");
|
||||
|
||||
// Write the whole 32KB
|
||||
// When there is only 8KB of SRAM, the contents should be duplicated
|
||||
word bankSize = 16 * 1024UL;
|
||||
// Write the whole 32 KiB
|
||||
// When there is only 8 KiB of SRAM, the contents should be duplicated
|
||||
word bankSize = 16384;
|
||||
for (byte currBank = 0x0; currBank < 2; currBank++) {
|
||||
writeByte_SMS(0xFFFC, 0x08 | (currBank << 2));
|
||||
|
||||
// Blink led
|
||||
blinkLED();
|
||||
|
||||
// Read 16KB from slot 2 which starts at 0x8000
|
||||
// Read 16 KiB from slot 2 which starts at 0x8000
|
||||
for (word currBuffer = 0; currBuffer < bankSize; currBuffer += 512) {
|
||||
// Fill SD buffer
|
||||
for (int currByte = 0; currByte < 512; currByte++) {
|
||||
@ -699,7 +727,7 @@ void writeSRAM_SMS() {
|
||||
print_Msg(F("sramSize: "));
|
||||
print_Msg(sramSize);
|
||||
println_Msg(FS(FSTRING_EMPTY));
|
||||
word bankSize = 16 * 1024;
|
||||
word bankSize = 16384;
|
||||
for (word address = 0x0; address < sramSize; address += 512) {
|
||||
byte currBank = address >= bankSize ? 1 : 0;
|
||||
word page_address = address - (currBank * bankSize);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user