Mirrors/cartreader
2
0
Fork 0
mirror of https://github.com/sanni/cartreader.git synced 2024-11-13 08:25:05 +01:00
Code Issues Projects Releases Wiki Activity

Added PC Engine Tennokoe Bank RAM read/write support, thanks to Tamanegi_taro

Browse Source
This commit is contained in:
sanni 2019-08-12 15:45:14 +02:00 committed by GitHub
parent 18db254957
commit 4c7e428938
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 900 additions and 698 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

248
Cart_Reader/PCE.ino
View File

@ -1,11 +1,13 @@
//******************************************
// PC Engine & TurboGrafx dump code by tamanegi_taro
// Revision 1.0.1 April 18th 2018
// April 18th 2018 Revision 1.0.1 Initial version
// August 12th 2019 Revision 1.0.2 Added Tennokoe Bank support
//
// Special thanks
// sanni - Arduino cart reader
// skaman - ROM size detection
// NO-INTRO - CRC list for game name detection
// Chris Covell - Tennokoe bank support
//
//******************************************
@ -54,8 +56,17 @@ static const char* const menuOptionspce[] PROGMEM = {pceMenuItem1, pceMenuItem2}
// PCE card menu items
static const char pceCartMenuItem1[] PROGMEM = "Read Rom";
static const char pceCartMenuItem2[] PROGMEM = "Reset";
static const char* const menuOptionspceCart[] PROGMEM = {pceCartMenuItem1, pceCartMenuItem2};
static const char pceCartMenuItem2[] PROGMEM = "Read Tennokoe Bank";
static const char pceCartMenuItem3[] PROGMEM = "Write Tennokoe Bank";
static const char pceCartMenuItem4[] PROGMEM = "Reset";
static const char* const menuOptionspceCart[] PROGMEM = {pceCartMenuItem1, pceCartMenuItem2, pceCartMenuItem3, pceCartMenuItem4};
// Turbochip menu items
static const char pceTCMenuItem1[] PROGMEM = "Read Rom";
static const char pceTCMenuItem2[] PROGMEM = "Reset";
static const char* const menuOptionspceTC[] PROGMEM = {pceTCMenuItem1, pceTCMenuItem2};
void draw_progressbar(uint32_t processed, uint32_t total)
{
@ -578,6 +589,174 @@ void crc_search(char *file_p, char *folder_p, uint32_t rom_size)
}
void read_tennokoe_bank_PCE(void)
{
uint32_t processed_size = 0;
uint32_t verify_loop;
uint8_t verify_flag = 1;
//clear the screen
display_Clear();
sprintf(fileName, "RAM size: 8KB"); //using filename global variable as string. Initialzed in below anyways.
println_Msg(fileName);
// Get name, add extension and convert to char array for sd lib
strcpy(fileName, "BANKRAM");
strcat(fileName, ".sav");
// create a new folder for the save file
EEPROM_readAnything(10, foldern);
sprintf(folder, "PCE/ROM/%s/%d", romName, foldern);
sd.mkdir(folder, true);
sd.chdir(folder);
println_Msg(F("Saving RAM..."));
display_Update();
// write new folder number back to eeprom
foldern = foldern + 1;
EEPROM_writeAnything(10, foldern);
//open file on sd card
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
print_Error(F("Can't create file on SD"), true);
}
pin_read_write_PCE();
//Initialize progress bar by setting processed size as 0
draw_progressbar(0, 8 * 1024UL);
//Unlock Tennokoe Bank RAM
write_byte_PCE(0x0D0000, 0x68); //Unlock RAM sequence 1 Bank 68
write_byte_PCE(0x0F0000, 0x0); //Unlock RAM sequence 2 Bank 78
write_byte_PCE(0x0F0000, 0x73); //Unlock RAM sequence 3 Bank 78
write_byte_PCE(0x0F0000, 0x73); //Unlock RAM sequence 4 Bank 78
write_byte_PCE(0x0F0000, 0x73); //Unlock RAM sequence 5 Bank 78
//Read Tennokoe bank RAM
read_bank_PCE(0x080000, 0x080000 + 8 * 1024UL, &processed_size, 8 * 1024UL);
myFile.seekSet(0); // Go back to file beginning
processed_size = 0;
//Verify Tennokoe bank RAM
for(verify_loop = 0; verify_loop < 8 * 1024UL; verify_loop++)
{
if(myFile.read() != read_byte_PCE(verify_loop + 0x080000))
{
verify_flag = 0;
draw_progressbar(8 * 1024UL, 8 * 1024UL);
break;
}
draw_progressbar(verify_loop, 8 * 1024UL);
}
//If verify flag is 0, verify failed
if(verify_flag == 1)
{
println_Msg(F("Verify OK..."));
}
else
{
println_Msg(F("Verify failed..."));
}
//Lock Tennokoe Bank RAM
write_byte_PCE(0x0D0000, 0x68); //Lock RAM sequence 1 Bank 68
write_byte_PCE(0x0F0001, 0x0); //Lock RAM sequence 2 Bank 78
write_byte_PCE(0x0C0001, 0x60); //Lock RAM sequence 3 Bank 60
pin_init_PCE();
//Close the file:
myFile.close();
}
void write_tennokoe_bank_PCE(void)
{
uint32_t readwrite_loop, verify_loop;
uint32_t verify_flag = 1;
//Display file Browser and wait user to select a file. Size must be 8KB.
filePath[0] = '\0';
sd.chdir("/");
fileBrowser("Select RAM file");
// Create filepath
sprintf(filePath, "%s/%s", filePath, fileName);
display_Clear();
//open file on sd card
if (myFile.open(filePath, O_READ)) {
fileSize = myFile.fileSize();
if (fileSize != 8 * 1024UL) {
println_Msg(F("File must be 1MB"));
display_Update();
myFile.close();
wait();
return;
}
pin_read_write_PCE();
//Unlock Tennokoe Bank RAM
write_byte_PCE(0x0D0000, 0x68); //Unlock RAM sequence 1 Bank 68
write_byte_PCE(0x0F0000, 0x0); //Unlock RAM sequence 2 Bank 78
write_byte_PCE(0x0F0000, 0x73); //Unlock RAM sequence 3 Bank 78
write_byte_PCE(0x0F0000, 0x73); //Unlock RAM sequence 4 Bank 78
write_byte_PCE(0x0F0000, 0x73); //Unlock RAM sequence 5 Bank 78
//Write file to Tennokoe BANK RAM
for(readwrite_loop = 0; readwrite_loop < 8 * 1024UL; readwrite_loop++)
{
write_byte_PCE(0x080000 + readwrite_loop, myFile.read());
draw_progressbar(readwrite_loop, 8 * 1024UL);
}
myFile.seekSet(0); // Go back to file beginning
for(verify_loop = 0; verify_loop < 8 * 1024UL; verify_loop++)
{
if(myFile.read() != read_byte_PCE(verify_loop + 0x080000))
{
draw_progressbar(2 * 1024UL, 8 * 1024UL);
verify_flag = 0;
break;
}
draw_progressbar(verify_loop, 8 * 1024UL);
}
//If verify flag is 0, verify failed
if(verify_flag == 1)
{
println_Msg(F("Verify OK..."));
}
else
{
println_Msg(F("Verify failed..."));
}
//Lock Tennokoe Bank RAM
write_byte_PCE(0x0D0000, 0x68); //Lock RAM sequence 1 Bank 68
write_byte_PCE(0x0F0001, 0x0); //Lock RAM sequence 2 Bank 78
write_byte_PCE(0x0C0001, 0x60); //Lock RAM sequence 3 Bank 60
pin_init_PCE();
// Close the file:
myFile.close();
println_Msg(F("Finished"));
display_Update();
wait();
}
else {
print_Error(F("File doesn't exist"), false);
}
}
void read_rom_PCE(void)
{
uint32_t rom_size;
@ -586,12 +765,10 @@ void read_rom_PCE(void)
//clear the screen
display_Clear();
rom_size = detect_rom_size_PCE();
sprintf(fileName, "Detected size: %dKB", rom_size); //using filename global variable as string. Initialzed in below anyways.
println_Msg(fileName);
//debug
//return;
// Get name, add extension and convert to char array for sd lib
strcpy(fileName, "PCEROM");
strcat(fileName, ".pce");
@ -661,32 +838,57 @@ void read_rom_PCE(void)
void pceMenu() {
// create menu with title and 7 options to choose from
unsigned char mainMenu;
// Copy menuOptions out of progmem
convertPgm(menuOptionspceCart, 2);
if (pce_internal_mode == HUCARD)
{
mainMenu = question_box("PCE HuCARD menu", menuOptions, 2, 0);
// Copy menuOptions out of progmem
convertPgm(menuOptionspceCart, 4);
mainMenu = question_box("PCE HuCARD menu", menuOptions, 4, 0);
// wait for user choice to come back from the question box menu
switch (mainMenu)
{
case 0:
display_Clear();
// Change working dir to root
sd.chdir("/");
read_rom_PCE();
break;
case 1:
display_Clear();
read_tennokoe_bank_PCE();
break;
case 2:
display_Clear();
write_tennokoe_bank_PCE();
break;
case 3:
asm volatile (" jmp 0");
break;
}
}
else
{
// Copy menuOptions out of progmem
convertPgm(menuOptionspceTC, 2);
mainMenu = question_box("TG TurboChip menu", menuOptions, 2, 0);
// wait for user choice to come back from the question box menu
switch (mainMenu)
{
case 0:
display_Clear();
// Change working dir to root
sd.chdir("/");
read_rom_PCE();
break;
case 1:
asm volatile (" jmp 0");
break;
}
}
// wait for user choice to come back from the question box menu
switch (mainMenu)
{
case 0:
display_Clear();
// Change working dir to root
sd.chdir("/");
read_rom_PCE();
break;
case 1:
asm volatile (" jmp 0");
break;
}
println_Msg(F(""));
println_Msg(F("Press Button..."));
display_Update();