mirror of
https://github.com/sanni/cartreader.git
synced 2024-11-14 08:55:06 +01:00
457 lines
12 KiB
C++
457 lines
12 KiB
C++
//******************************************
|
|
// SNES Satellaview 8M Memory pack code by tamanegi_taro
|
|
// Revision 1.0.0 October 22nd 2018
|
|
//******************************************
|
|
|
|
/******************************************
|
|
Satellaview 8M Memory Pack
|
|
******************************************/
|
|
/******************************************
|
|
Prototype Declarations
|
|
*****************************************/
|
|
/* Hoping that sanni will use this progressbar function */
|
|
extern void draw_progressbar(uint32_t processedsize, uint32_t totalsize);
|
|
|
|
//void svMenu();
|
|
void readROM_SV();
|
|
//void setup_SV();
|
|
void writeROM_SV (void);
|
|
void eraseCheck_SV(void);
|
|
void supplyCheck_SV(void);
|
|
void writeCheck_SV(void);
|
|
void detectCheck_SV(void);
|
|
void eraseAll_SV(void);
|
|
|
|
/******************************************
|
|
Variables
|
|
*****************************************/
|
|
//No global variables
|
|
|
|
/******************************************
|
|
Menu
|
|
*****************************************/
|
|
// SV flash menu items
|
|
static const char svFlashMenuItem1[] PROGMEM = "Read Memory Pack";
|
|
static const char svFlashMenuItem2[] PROGMEM = "Write Memory Pack";
|
|
static const char svFlashMenuItem3[] PROGMEM = "Back";
|
|
static const char* const menuOptionsSVFlash[] PROGMEM = {svFlashMenuItem1, svFlashMenuItem2, svFlashMenuItem3};
|
|
|
|
|
|
void svMenu() {
|
|
// create menu with title and 3 options to choose from
|
|
unsigned char mainMenu;
|
|
// Copy menuOptions out of progmem
|
|
convertPgm(menuOptionsSVFlash, 3);
|
|
mainMenu = question_box(F("Satellaview 8M Memory"), menuOptions, 3, 0);
|
|
|
|
// wait for user choice to come back from the question box menu
|
|
switch (mainMenu)
|
|
{
|
|
// Read memory pack
|
|
case 0:
|
|
readROM_SV();
|
|
break;
|
|
|
|
// Write memory pack
|
|
case 1:
|
|
writeROM_SV();
|
|
break;
|
|
|
|
// Reset
|
|
case 2:
|
|
resetArduino();
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Read memory pack to SD card
|
|
void readROM_SV() {
|
|
// Set control
|
|
dataIn();
|
|
controlIn_SNES();
|
|
|
|
// Get name, add extension and convert to char array for sd lib
|
|
strcpy(fileName, "MEMPACK.sfc");
|
|
|
|
// create a new folder for the save file
|
|
EEPROM_readAnything(10, foldern);
|
|
sprintf(folder, "SNES/ROM/%s/%d", "MEMPACK", foldern);
|
|
sd.mkdir(folder, true);
|
|
sd.chdir(folder);
|
|
|
|
//clear the screen
|
|
display_Clear();
|
|
print_Msg(F("Saving to "));
|
|
print_Msg(folder);
|
|
println_Msg(F("/..."));
|
|
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);
|
|
}
|
|
|
|
// Read Banks
|
|
for (int currBank = 0x40; currBank < 0x50; currBank++) {
|
|
// Dump the bytes to SD 512B at a time
|
|
for (long currByte = 0; currByte < 65536; currByte += 512) {
|
|
draw_progressbar((currBank - 0x40) * 0x10000 + currByte, 0x100000);
|
|
for (int c = 0; c < 512; c++) {
|
|
sdBuffer[c] = readBank_SNES(currBank, currByte + c);
|
|
}
|
|
myFile.write(sdBuffer, 512);
|
|
}
|
|
}
|
|
draw_progressbar(0x100000, 0x100000); //Finish drawing progress bar
|
|
|
|
// Close the file:
|
|
myFile.close();
|
|
println_Msg(F("Read pack completed"));
|
|
display_Update();
|
|
wait();
|
|
}
|
|
|
|
|
|
/******************************************
|
|
Setup
|
|
*****************************************/
|
|
void setup_SV() {
|
|
// Set cicrstPin(PG1) to Output
|
|
DDRG |= (1 << 1);
|
|
// Output a high signal until we're ready to start
|
|
PORTG |= (1 << 1);
|
|
// Set cichstPin(PG0) to Input
|
|
DDRG &= ~(1 << 0);
|
|
|
|
// Adafruit Clock Generator
|
|
clockgen.init(SI5351_CRYSTAL_LOAD_8PF, 0, 0);
|
|
clockgen.set_pll(SI5351_PLL_FIXED, SI5351_PLLA);
|
|
clockgen.set_pll(SI5351_PLL_FIXED, SI5351_PLLB);
|
|
clockgen.set_freq(2147727200ULL, SI5351_CLK0);
|
|
clockgen.set_freq(307200000ULL, SI5351_CLK2);
|
|
clockgen.output_enable(SI5351_CLK0, 1);
|
|
clockgen.output_enable(SI5351_CLK1, 0);
|
|
clockgen.output_enable(SI5351_CLK2, 1);
|
|
|
|
// Set Address Pins to Output
|
|
//A0-A7
|
|
DDRF = 0xFF;
|
|
//A8-A15
|
|
DDRK = 0xFF;
|
|
//BA0-BA7
|
|
DDRL = 0xFF;
|
|
//PA0-PA7
|
|
DDRA = 0xFF;
|
|
|
|
// Set Control Pins to Output RST(PH0) CS(PH3) WR(PH5) RD(PH6)
|
|
DDRH |= (1 << 0) | (1 << 3) | (1 << 5) | (1 << 6);
|
|
// Switch RST(PH0) and WR(PH5) to HIGH
|
|
PORTH |= (1 << 0) | (1 << 5);
|
|
// Switch CS(PH3) and RD(PH6) to LOW
|
|
PORTH &= ~((1 << 3) | (1 << 6));
|
|
|
|
// Set Refresh(PE5) to Output
|
|
DDRE |= (1 << 5);
|
|
// Switch Refresh(PE5) to LOW (needed for SA-1)
|
|
PORTE &= ~(1 << 5);
|
|
|
|
// Set CPU Clock(PH1) to Output
|
|
DDRH |= (1 << 1);
|
|
//PORTH &= ~(1 << 1);
|
|
|
|
// Set IRQ(PH4) to Input
|
|
DDRH &= ~(1 << 4);
|
|
// Activate Internal Pullup Resistors
|
|
//PORTH |= (1 << 4);
|
|
|
|
// Set expand(PG5) to output
|
|
DDRG |= (1 << 5);
|
|
// Output High
|
|
PORTG |= (1 << 5);
|
|
|
|
// Set Data Pins (D0-D7) to Input
|
|
DDRC = 0x00;
|
|
// Enable Internal Pullups
|
|
//PORTC = 0xFF;
|
|
|
|
// Unused pins
|
|
// Set wram(PE4) to Output
|
|
DDRE |= (1 << 4);
|
|
//PORTE &= ~(1 << 4);
|
|
// Set pawr(PJ1) to Output
|
|
DDRJ |= (1 << 1);
|
|
//PORTJ &= ~(1 << 1);
|
|
// Set pard(PJ0) to Output
|
|
DDRJ |= (1 << 0);
|
|
//PORTJ &= ~(1 << 0);
|
|
|
|
// Start CIC by outputting a low signal to cicrstPin(PG1)
|
|
PORTG &= ~(1 << 1);
|
|
|
|
// Wait for CIC reset
|
|
delay(1000);
|
|
}
|
|
|
|
|
|
|
|
void writeROM_SV (void) {
|
|
// Get Checksum as string to make sure that BS-X cart is inserted
|
|
dataIn();
|
|
controlIn_SNES();
|
|
sprintf(checksumStr, "%02X%02X", readBank_SNES(0, 65503), readBank_SNES(0, 65502));
|
|
|
|
//if CRC is not 8B86, BS-X cart is not inserted. Display error and reset
|
|
if (strcmp("8B86", checksumStr) != 0)
|
|
{
|
|
display_Clear();
|
|
print_Error(F("Error: Must use BS-X cart"), true);
|
|
}
|
|
|
|
//Display file Browser and wait user to select a file. Size must be 1MB.
|
|
filePath[0] = '\0';
|
|
sd.chdir("/");
|
|
fileBrowser(F("Select sfc 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 != 0x100000) {
|
|
println_Msg(F("File must be 1MB"));
|
|
display_Update();
|
|
myFile.close();
|
|
wait();
|
|
return;
|
|
}
|
|
|
|
//Disable 8M memory pack write protection
|
|
dataOut();
|
|
controlOut_SNES();
|
|
writeBank_SNES(0x0C, 0x5000, 0x80); //Modify write enable register
|
|
writeBank_SNES(0x0E, 0x5000, 0x80); //Commit register modification
|
|
|
|
//Erase memory pack
|
|
println_Msg(F("Erasing pack..."));
|
|
display_Update();
|
|
eraseAll_SV();
|
|
|
|
//Blank check
|
|
//Set pins to input
|
|
dataIn();
|
|
controlIn_SNES();
|
|
println_Msg(F("Blank check..."));
|
|
display_Update();
|
|
for (int currBank = 0xC0; currBank < 0xD0; currBank++) {
|
|
draw_progressbar(((currBank - 0xC0) * 0x10000), 0x100000);
|
|
for (long currByte = 0; currByte < 65536; currByte++) {
|
|
if (0xFF != readBank_SNES(currBank, currByte))
|
|
{
|
|
println_Msg(F(""));
|
|
println_Msg(F("Erase failed"));
|
|
display_Update();
|
|
myFile.close();
|
|
wait();
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
draw_progressbar(0x100000, 0x100000);
|
|
|
|
//Write memory pack
|
|
dataOut();
|
|
controlOut_SNES();
|
|
println_Msg(F("Writing pack..."));
|
|
display_Update();
|
|
for (int currBank = 0xC0; currBank < 0xD0; currBank++) {
|
|
draw_progressbar(((currBank - 0xC0) * 0x10000), 0x100000);
|
|
for (long currByte = 0; currByte < 65536; currByte++) {
|
|
|
|
writeBank_SNES(0xC0, 0x0000, 0x10); //Program Byte
|
|
writeBank_SNES(currBank, currByte, myFile.read());
|
|
writeBank_SNES(0xC0, 0x0000, 0x70); //Status Mode
|
|
writeCheck_SV();
|
|
}
|
|
}
|
|
|
|
writeBank_SNES(0xC0, 0x0000, 0x70); //Status Mode
|
|
writeCheck_SV();
|
|
writeBank_SNES(0xC0, 0x0000, 0xFF); //Terminate write
|
|
draw_progressbar(0x100000, 0x100000);
|
|
|
|
|
|
//Verify
|
|
dataIn(); //Set pins to input
|
|
controlIn_SNES();
|
|
myFile.seekSet(0); // Go back to file beginning
|
|
println_Msg(F("Verifying..."));
|
|
display_Update();
|
|
for (int currBank = 0xC0; currBank < 0xD0; currBank++) {
|
|
draw_progressbar(((currBank - 0xC0) * 0x10000), 0x100000);
|
|
for (long currByte = 0; currByte < 65536; currByte++) {
|
|
if (myFile.read() != readBank_SNES(currBank, currByte))
|
|
{
|
|
println_Msg(F(""));
|
|
println_Msg(F("Verify failed"));
|
|
display_Update();
|
|
myFile.close();
|
|
wait();
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Close the file:
|
|
myFile.close();
|
|
draw_progressbar(0x100000, 0x100000);
|
|
println_Msg(F("Finished successfully"));
|
|
display_Update();
|
|
wait();
|
|
|
|
}
|
|
else {
|
|
print_Error(F("File doesn't exist"), false);
|
|
}
|
|
}
|
|
|
|
void eraseCheck_SV(void) {
|
|
byte ret;
|
|
dataIn();
|
|
controlIn_SNES();
|
|
|
|
// Read register
|
|
ret = readBank_SNES(0xC0, 0x0004);
|
|
|
|
// CE or OE must be toggled with each subsequent status read or the
|
|
// completion of a program or erase operation will not be evident.
|
|
while ((ret & 0x80) == 0x00) { //Wait until X.bit7 = 1
|
|
controlOut_SNES();
|
|
// Switch CS(PH3) High
|
|
PORTH |= (1 << 3);
|
|
// Leave CE high for at least 60ns
|
|
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
|
controlIn_SNES();
|
|
// Leave CE low for at least 50ns
|
|
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
|
// Read register
|
|
ret = readBank_SNES(0xC0, 0x0004);
|
|
}
|
|
// Switch to write
|
|
dataOut();
|
|
controlOut_SNES();
|
|
}
|
|
|
|
void supplyCheck_SV(void) {
|
|
byte ret;
|
|
dataIn();
|
|
controlIn_SNES();
|
|
|
|
// Read register
|
|
ret = readBank_SNES(0xC0, 0x0004);
|
|
|
|
// CE or OE must be toggled with each subsequent status read or the
|
|
// completion of a program or erase operation will not be evident.
|
|
while ((ret & 0x08) == 0x08) { //Wait until X.bit3 = 0
|
|
controlOut_SNES();
|
|
// Switch CS(PH3) High
|
|
PORTH |= (1 << 3);
|
|
// Leave CE high for at least 60ns
|
|
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
|
controlIn_SNES();
|
|
// Leave CE low for at least 50ns
|
|
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
|
// Read register
|
|
ret = readBank_SNES(0xC0, 0x0004);
|
|
}
|
|
// Switch to write
|
|
dataOut();
|
|
controlOut_SNES();
|
|
}
|
|
|
|
void writeCheck_SV(void) {
|
|
byte ret;
|
|
dataIn();
|
|
controlIn_SNES();
|
|
|
|
// Read register
|
|
ret = readBank_SNES(0xC0, 0x0000);
|
|
|
|
// CE or OE must be toggled with each subsequent status read or the
|
|
// completion of a program or erase operation will not be evident.
|
|
while ((ret & 0x80) == 0x00) {
|
|
controlOut_SNES();
|
|
// Switch CS(PH3) High
|
|
PORTH |= (1 << 3);
|
|
// Leave CE high for at least 60ns
|
|
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
|
controlIn_SNES();
|
|
// Leave CE low for at least 50ns
|
|
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
|
// Read register
|
|
ret = readBank_SNES(0xC0, 0x0000);
|
|
}
|
|
// Switch to write
|
|
dataOut();
|
|
controlOut_SNES();
|
|
}
|
|
|
|
|
|
void detectCheck_SV(void) {
|
|
int i = 0;
|
|
byte ret;
|
|
dataIn();
|
|
controlIn_SNES();
|
|
|
|
// Read register
|
|
ret = readBank_SNES(0xC0, 0x0002);
|
|
|
|
// CE or OE must be toggled with each subsequent status read or the
|
|
// completion of a program or erase operation will not be evident.
|
|
while ((ret & 0x80) == 0x00) {
|
|
i++;
|
|
if ( i > 10000)
|
|
{
|
|
//timeout
|
|
break;
|
|
}
|
|
controlOut_SNES();
|
|
// Switch CS(PH3) High
|
|
PORTH |= (1 << 3);
|
|
// Leave CE high for at least 60ns
|
|
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
|
controlIn_SNES();
|
|
// Leave CE low for at least 50ns
|
|
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
|
// Read register
|
|
ret = readBank_SNES(0xC0, 0x0002);
|
|
}
|
|
// Switch to write
|
|
dataOut();
|
|
controlOut_SNES();
|
|
}
|
|
|
|
|
|
void eraseAll_SV(void)
|
|
{
|
|
dataOut();
|
|
controlOut_SNES();
|
|
writeBank_SNES(0xC0, 0x0000, 0x50); //Clear Status Registers
|
|
writeBank_SNES(0xC0, 0x0000, 0x71); //Status Mode
|
|
supplyCheck_SV();
|
|
writeBank_SNES(0xC0, 0x0000, 0xA7); //Chip Erase
|
|
writeBank_SNES(0xC0, 0x0000, 0xD0); //Confirm
|
|
writeBank_SNES(0xC0, 0x0000, 0x71); //Status Mode
|
|
eraseCheck_SV();
|
|
writeBank_SNES(0xC0, 0x0000, 0xFF); //Teriminate
|
|
}
|
|
|
|
//******************************************
|
|
// End of File
|
|
//******************************************
|