mirror of
https://github.com/sanni/cartreader.git
synced 2024-11-15 01:15:06 +01:00
712 lines
17 KiB
C++
712 lines
17 KiB
C++
//******************************************
|
|
// CASIO LOOPY MODULE
|
|
//******************************************
|
|
// Loopy
|
|
// Cartridge Pinout
|
|
// 90P 2.1mm pitch connector
|
|
//
|
|
// +--------+
|
|
// +5V -| 1 90 |- D11
|
|
// -| 2 89 |- +5V
|
|
// -| 3 88 |- D9
|
|
// -| 4 87 |-
|
|
// -| 5 86 |- D7
|
|
// -| 6 85 |- D5
|
|
// -| 7 84 |- D15
|
|
// -| 8 83 |- D13
|
|
// RAMCS1 -| 9 82 |- D12
|
|
// -| 10 81 |- D1
|
|
// RAMWE -| 11 80 |-
|
|
// -| 12 79 |-
|
|
// GND -| 13 78 |- A2
|
|
// +5V -| 14 77 |- A4
|
|
// -| 15 76 |- A19
|
|
// -| 16 75 |- GND
|
|
// -| 17 74 |- A18
|
|
// -| 18 73 |- A16
|
|
// -| 19 72 |- A17
|
|
// -| 20 71 |- A14
|
|
// -| 21 70 |- A5
|
|
// A12 -| 22 69 |- A7
|
|
// A10 -| 23 68 |- A9
|
|
// A8 -| 24 67 |- A11
|
|
// A6 -| 25 66 |-
|
|
// A13 -| 26 65 |-
|
|
// A15 -| 27 64 |-
|
|
// A20 -| 28 63 |-
|
|
// +5V -| 29 62 |-
|
|
// A3 -| 30 61 |-
|
|
// A21 -| 31 60 |- CLK
|
|
// A1 -| 32 59 |-
|
|
// A0 -| 33 58 |-
|
|
// -| 34 57 |- +5V
|
|
// D0 -| 35 56 |- OE
|
|
// RESET -| 36 55 |-
|
|
// D2 -| 37 54 |- ROMCE
|
|
// D3 -| 38 53 |-
|
|
// D14 -| 39 52 |-
|
|
// D4 -| 40 51 |-
|
|
// D6 -| 41 50 |-
|
|
// D8 -| 42 49 |-
|
|
// -| 43 48 |-
|
|
// D10 -| 44 47 |- GND
|
|
// GND -| 45 46 |-
|
|
// +--------+
|
|
//
|
|
// * Blank pins have various uses depending on cartridge but are not necessary for dumping.
|
|
// IMPORTANT: All data are stored as BIG-ENDIAN. Many ROM dumps online are little endian.
|
|
// See https://github.com/kasamikona/Loopy-Tools/blob/master/ROM%20Structure.md
|
|
//
|
|
// By @partlyhuman
|
|
// Special thanks to @kasamikona
|
|
#ifdef ENABLE_LOOPY
|
|
|
|
// SH-1 memory map locations, ROM starts here
|
|
const uint32_t LOOPY_MAP_ROM_ZERO = 0x0E000000;
|
|
const uint32_t LOOPY_MAP_SRAM_ZERO = 0x02000000;
|
|
|
|
// Control pins
|
|
const int LOOPY_ROMCE = 42;
|
|
const int LOOPY_OE = 43;
|
|
const int LOOPY_RAMWE = 6;
|
|
const int LOOPY_RAMCS1 = 7;
|
|
const int LOOPY_RESET = A7;
|
|
|
|
// The internal checksum read from the cart header at 08h, will be checked against an actual sum
|
|
uint32_t loopyChecksum;
|
|
uint32_t loopyChecksumStart;
|
|
uint32_t loopyChecksumEnd;
|
|
|
|
char loopyRomNameLong[64];
|
|
|
|
//******************************************
|
|
// SETUP
|
|
//******************************************
|
|
|
|
void setup_LOOPY() {
|
|
// Request 5V
|
|
setVoltage(VOLTS_SET_5V);
|
|
|
|
// Set Address Pins to Output
|
|
// PK1-PK7, PA1-PA7, PC0-PC3, PL0-PL3
|
|
// Take whole port and unset the exceptions later
|
|
DDRK = DDRA = DDRC = DDRL = 0xFF;
|
|
|
|
// Control pins, all active low
|
|
pinMode(LOOPY_ROMCE, OUTPUT);
|
|
pinMode(LOOPY_OE, OUTPUT);
|
|
pinMode(LOOPY_RAMWE, OUTPUT);
|
|
pinMode(LOOPY_RAMCS1, OUTPUT);
|
|
pinMode(LOOPY_RESET, OUTPUT);
|
|
digitalWrite(LOOPY_ROMCE, HIGH);
|
|
digitalWrite(LOOPY_OE, HIGH);
|
|
digitalWrite(LOOPY_RAMWE, HIGH);
|
|
digitalWrite(LOOPY_RAMCS1, HIGH);
|
|
digitalWrite(LOOPY_RESET, HIGH);
|
|
|
|
// Set Pins (D0-D15) to Input
|
|
dataIn_LOOPY();
|
|
|
|
getCartInfo_LOOPY();
|
|
|
|
mode = CORE_LOOPY;
|
|
}
|
|
|
|
//******************************************
|
|
// MENU
|
|
//******************************************
|
|
|
|
// Base Menu
|
|
static const char loopyMenuItem4[] PROGMEM = "Format SRAM";
|
|
static const char* const menuOptionsLOOPY[] PROGMEM = { FSTRING_REFRESH_CART, FSTRING_READ_ROM, FSTRING_READ_SAVE, FSTRING_WRITE_SAVE, loopyMenuItem4, FSTRING_RESET };
|
|
|
|
void loopyMenu() {
|
|
convertPgm(menuOptionsLOOPY, 5);
|
|
uint8_t mainMenu = question_box(F("CASIO LOOPY MENU"), menuOptions, 5, 0);
|
|
display_Clear();
|
|
display_Update();
|
|
bool waitForInput = false;
|
|
|
|
switch (mainMenu) {
|
|
case 0:
|
|
setup_LOOPY();
|
|
break;
|
|
|
|
case 1:
|
|
// Read ROM
|
|
sd.chdir("/");
|
|
readROM_LOOPY();
|
|
sd.chdir("/");
|
|
waitForInput = true;
|
|
break;
|
|
|
|
case 2:
|
|
// Read SRAM
|
|
sd.chdir("/");
|
|
println_Msg(F("Reading SRAM..."));
|
|
display_Update();
|
|
readSRAM_LOOPY();
|
|
sd.chdir("/");
|
|
waitForInput = true;
|
|
break;
|
|
|
|
case 3:
|
|
// Write SRAM
|
|
// Change working dir to root
|
|
sd.chdir("/");
|
|
fileBrowser(F("Select SAV file"));
|
|
display_Clear();
|
|
writeSRAM_LOOPY();
|
|
writeErrors = verifySRAM_LOOPY();
|
|
if (writeErrors == 0) {
|
|
println_Msg(F("SRAM verified OK"));
|
|
display_Update();
|
|
} else {
|
|
print_STR(error_STR, 0);
|
|
print_Msg(writeErrors);
|
|
print_STR(_bytes_STR, 1);
|
|
print_Error(did_not_verify_STR);
|
|
}
|
|
waitForInput = true;
|
|
break;
|
|
|
|
case 4:
|
|
// Format SRAM
|
|
println_Msg(F("Formatting SRAM..."));
|
|
display_Update();
|
|
formatSRAM_LOOPY();
|
|
waitForInput = true;
|
|
break;
|
|
|
|
case 5:
|
|
// reset
|
|
resetArduino();
|
|
break;
|
|
}
|
|
|
|
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
|
|
if (waitForInput) {
|
|
// Wait for user input
|
|
println_Msg(FS(FSTRING_EMPTY));
|
|
// Prints string out of the common strings array either with or without newline
|
|
print_STR(press_button_STR, 1);
|
|
display_Update();
|
|
wait();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
//******************************************
|
|
// LOW LEVEL FUNCTIONS
|
|
//******************************************
|
|
|
|
void setAddress_LOOPY(unsigned long A) {
|
|
// PK1 A0
|
|
// PK2 A1
|
|
// PK3 A21
|
|
// PK4 A3
|
|
// PK5 A20
|
|
// PK6 A15
|
|
// PK7 A13
|
|
PORTK = (bitRead(A, 0) << 1)
|
|
| (bitRead(A, 1) << 2)
|
|
| (bitRead(A, 21) << 3)
|
|
| (bitRead(A, 3) << 4)
|
|
| (bitRead(A, 20) << 5)
|
|
| (bitRead(A, 15) << 6)
|
|
| (bitRead(A, 13) << 7);
|
|
// PA1 A2
|
|
// PA2 A4
|
|
// PA3 A19
|
|
// PA4 A18
|
|
// PA5 A16
|
|
// PA6 A17
|
|
// PA7 A14
|
|
PORTA = (bitRead(A, 2) << 1)
|
|
| (bitRead(A, 4) << 2)
|
|
| (bitRead(A, 19) << 3)
|
|
| (bitRead(A, 18) << 4)
|
|
| (bitRead(A, 16) << 5)
|
|
| (bitRead(A, 17) << 6)
|
|
| (bitRead(A, 14) << 7);
|
|
// PC0 A6
|
|
// PC1 A8
|
|
// PC2 A10
|
|
// PC3 A12
|
|
PORTC = (bitRead(A, 6))
|
|
| (bitRead(A, 8) << 1)
|
|
| (bitRead(A, 10) << 2)
|
|
| (bitRead(A, 12) << 3);
|
|
// CAUTION PORTL is shared, writing to PORTL indiscriminately will mess with CE/OE
|
|
// D42 PL7 CE
|
|
// D43 PL6 OE
|
|
// D44 PL5
|
|
// D45 PL4
|
|
// D46 PL3 A11
|
|
// D47 PL2 A9
|
|
// D48 PL1 A7
|
|
// D49 PL0 A5
|
|
digitalWrite(46, bitRead(A, 11));
|
|
digitalWrite(47, bitRead(A, 9));
|
|
digitalWrite(48, bitRead(A, 7));
|
|
digitalWrite(49, bitRead(A, 5));
|
|
// PORTL = (bitRead(A, 5))
|
|
// | (bitRead(A, 7) << 1)
|
|
// | (bitRead(A, 9) << 2)
|
|
// | (bitRead(A, 11) << 3);
|
|
}
|
|
|
|
uint16_t getWord_LOOPY() {
|
|
// A8 PK0 D0
|
|
// D22 PA0 D1
|
|
// A6 PF6 D2
|
|
// A5 PF5 D3
|
|
// A3 PF3 D4
|
|
// D40 PG1 D5
|
|
// A2 PF2 D6
|
|
// D41 PG0 D7
|
|
// A1 PF1 D8
|
|
// D3 PE5 D9
|
|
// A0 PF0 D10
|
|
// D2 PE4 D11
|
|
// D14 PJ1 D12
|
|
// D15 PJ0 D13
|
|
// A4 PF4 D14
|
|
// D4 PG5 D15
|
|
return bitRead(PINK, 0)
|
|
| (bitRead(PINA, 0) << 1)
|
|
| (bitRead(PINF, 6) << 2)
|
|
| (bitRead(PINF, 5) << 3)
|
|
| (bitRead(PINF, 3) << 4)
|
|
| (bitRead(PING, 1) << 5)
|
|
| (bitRead(PINF, 2) << 6)
|
|
| (bitRead(PING, 0) << 7)
|
|
| (bitRead(PINF, 1) << 8)
|
|
| (bitRead(PINE, 5) << 9)
|
|
| (bitRead(PINF, 0) << 10)
|
|
| (bitRead(PINE, 4) << 11)
|
|
| (bitRead(PINJ, 1) << 12)
|
|
| (bitRead(PINJ, 0) << 13)
|
|
| (bitRead(PINF, 4) << 14)
|
|
| (bitRead(PING, 5) << 15);
|
|
}
|
|
|
|
uint8_t getByte_LOOPY() {
|
|
return bitRead(PINK, 0)
|
|
| (bitRead(PINA, 0) << 1)
|
|
| (bitRead(PINF, 6) << 2)
|
|
| (bitRead(PINF, 5) << 3)
|
|
| (bitRead(PINF, 3) << 4)
|
|
| (bitRead(PING, 1) << 5)
|
|
| (bitRead(PINF, 2) << 6)
|
|
| (bitRead(PING, 0) << 7);
|
|
}
|
|
|
|
void setByte_LOOPY(uint8_t D) {
|
|
// Since D lines are spread among so many ports, this is far more legible, and only used for SRAM
|
|
digitalWrite(A8, bitRead(D, 0));
|
|
digitalWrite(22, bitRead(D, 1));
|
|
digitalWrite(A6, bitRead(D, 2));
|
|
digitalWrite(A5, bitRead(D, 3));
|
|
digitalWrite(A3, bitRead(D, 4));
|
|
digitalWrite(40, bitRead(D, 5));
|
|
digitalWrite(A2, bitRead(D, 6));
|
|
digitalWrite(41, bitRead(D, 7));
|
|
}
|
|
|
|
byte readByte_LOOPY(unsigned long myAddress) {
|
|
setAddress_LOOPY(myAddress);
|
|
|
|
// 100ns MAX
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
|
|
return getByte_LOOPY();
|
|
}
|
|
|
|
void writeByte_LOOPY(unsigned long myAddress, byte myData) {
|
|
setAddress_LOOPY(myAddress);
|
|
|
|
digitalWrite(LOOPY_RAMWE, LOW);
|
|
|
|
// tWHZ 35
|
|
NOP;
|
|
NOP;
|
|
dataOut_LOOPY();
|
|
|
|
setByte_LOOPY(myData);
|
|
|
|
// tWP 60
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
|
|
digitalWrite(LOOPY_RAMWE, HIGH);
|
|
dataIn_LOOPY();
|
|
}
|
|
|
|
word readWord_LOOPY(unsigned long myAddress) {
|
|
setAddress_LOOPY(myAddress);
|
|
|
|
digitalWrite(LOOPY_ROMCE, LOW);
|
|
digitalWrite(LOOPY_OE, LOW);
|
|
|
|
// 16mhz = 62.5ns
|
|
NOP;
|
|
NOP;
|
|
|
|
word tempWord = getWord_LOOPY();
|
|
|
|
digitalWrite(LOOPY_ROMCE, HIGH);
|
|
digitalWrite(LOOPY_OE, HIGH);
|
|
|
|
return tempWord;
|
|
}
|
|
|
|
// Switch data pins to write
|
|
void dataOut_LOOPY() {
|
|
// // PA0
|
|
// DDRA |= 0x01;
|
|
// // PK0
|
|
// DDRK |= 0x01;
|
|
// // PG0, PG1, PG5 (rest unused?)
|
|
// DDRG = 0xFF;
|
|
// // PJ0-1 (rest unused?)
|
|
// DDRJ = 0xFF;
|
|
// // PE4-PE5 (rest unused?)
|
|
// DDRE = 0xFF;
|
|
// // PF0-PF6
|
|
// DDRF |= 0b0111111;
|
|
|
|
// Only bothering to change lower bits since we never write words just bytes
|
|
pinMode(A8, OUTPUT);
|
|
pinMode(22, OUTPUT);
|
|
pinMode(A6, OUTPUT);
|
|
pinMode(A5, OUTPUT);
|
|
pinMode(A3, OUTPUT);
|
|
pinMode(40, OUTPUT);
|
|
pinMode(A2, OUTPUT);
|
|
pinMode(41, OUTPUT);
|
|
// pinMode(A1, OUTPUT);
|
|
// pinMode(3, OUTPUT);
|
|
// pinMode(A0, OUTPUT);
|
|
// pinMode(2, OUTPUT);
|
|
// pinMode(14, OUTPUT);
|
|
// pinMode(15, OUTPUT);
|
|
// pinMode(A4, OUTPUT);
|
|
// pinMode(4, OUTPUT);
|
|
}
|
|
|
|
// Switch data pins to read
|
|
void dataIn_LOOPY() {
|
|
// // PA0
|
|
// DDRA &= ~0x01;
|
|
// // PK0
|
|
// DDRK &= ~0x01;
|
|
// // PG0, PG1, PG5 (rest unused?)
|
|
// DDRG = 0x00;
|
|
// // PJ0-1 (rest unused?)
|
|
// DDRJ = 0x00;
|
|
// // PE4-PE5 (rest unused?)
|
|
// DDRE = 0x00;
|
|
// // PF0-PF6
|
|
// DDRF &= ~0b0111111;
|
|
pinMode(A8, INPUT);
|
|
pinMode(22, INPUT);
|
|
pinMode(A6, INPUT);
|
|
pinMode(A5, INPUT);
|
|
pinMode(A3, INPUT);
|
|
pinMode(40, INPUT);
|
|
pinMode(A2, INPUT);
|
|
pinMode(41, INPUT);
|
|
pinMode(A1, INPUT);
|
|
pinMode(3, INPUT);
|
|
pinMode(A0, INPUT);
|
|
pinMode(2, INPUT);
|
|
pinMode(14, INPUT);
|
|
pinMode(15, INPUT);
|
|
pinMode(A4, INPUT);
|
|
pinMode(4, INPUT);
|
|
}
|
|
|
|
//******************************************
|
|
// CART INFO
|
|
//******************************************
|
|
|
|
// A little different than many games, loopy DB stores the checksum present in the header, so we can determine the rom name before saving, without renaming
|
|
bool setRomName_LOOPY(const char* database, char* crcStr, int stripExtensionChars = 4) {
|
|
char gamename[96];
|
|
char crc_search[9];
|
|
bool found;
|
|
|
|
sd.chdir();
|
|
if (!myFile.open(database, O_READ)) {
|
|
return false;
|
|
}
|
|
while (myFile.available()) {
|
|
get_line(gamename, &myFile, sizeof(gamename));
|
|
get_line(crc_search, &myFile, sizeof(crc_search));
|
|
skip_line(&myFile); //Skip every 3rd line
|
|
if (strcmp(crc_search, crcStr) == 0) {
|
|
found = true;
|
|
strlcpy(loopyRomNameLong, gamename, strlen(gamename) - stripExtensionChars + 1);
|
|
strcpy(romName, loopyRomNameLong);
|
|
break;
|
|
}
|
|
}
|
|
myFile.close();
|
|
return found;
|
|
}
|
|
|
|
void getCartInfo_LOOPY() {
|
|
display_Clear();
|
|
|
|
// Set control
|
|
dataIn_LOOPY();
|
|
|
|
// First word after header stored as 32-bit pointer at 0h, final word (inclusive) at 4h
|
|
// based on SH-1 memory mapped location of ROM (shift to rebase on zero)
|
|
loopyChecksumStart = (((uint32_t)readWord_LOOPY(0x0) << 16) | (uint32_t)readWord_LOOPY(0x2)) - LOOPY_MAP_ROM_ZERO;
|
|
loopyChecksumEnd = (((uint32_t)readWord_LOOPY(0x4) << 16) | (uint32_t)readWord_LOOPY(0x6)) - LOOPY_MAP_ROM_ZERO;
|
|
// Full cart size DOES include the header, don't subtract it off :)
|
|
cartSize = loopyChecksumEnd + 2;
|
|
|
|
// SRAM first and last byte locations stored at 10h and 14h, based on SH-1 memory mapped location of SRAM
|
|
uint32_t loopySramStart = (((uint32_t)readWord_LOOPY(0x10) << 16) | (uint32_t)readWord_LOOPY(0x12)) - LOOPY_MAP_SRAM_ZERO;
|
|
uint32_t loopySramEnd = (((uint32_t)readWord_LOOPY(0x14) << 16) | (uint32_t)readWord_LOOPY(0x16)) - LOOPY_MAP_SRAM_ZERO;
|
|
sramSize = loopySramEnd - loopySramStart + 1;
|
|
// TODO sanity check these values
|
|
|
|
// Get internal checksum from header
|
|
loopyChecksum = ((uint32_t)readWord_LOOPY(0x8) << 16) | (uint32_t)readWord_LOOPY(0xA);
|
|
sprintf(checksumStr, "%08lX", loopyChecksum);
|
|
|
|
// Look up in database
|
|
strcpy(loopyRomNameLong, "LOOPY");
|
|
strcpy(romName, loopyRomNameLong);
|
|
setRomName_LOOPY("loopy.txt", checksumStr);
|
|
|
|
println_Msg(F("Cart Info"));
|
|
println_Msg(FS(FSTRING_SPACE));
|
|
print_Msg(F("Name: "));
|
|
println_Msg(loopyRomNameLong);
|
|
print_Msg(F("Checksum: "));
|
|
println_Msg(checksumStr);
|
|
print_Msg(F("Size: "));
|
|
print_Msg(cartSize * 8 / 1024 / 1024);
|
|
println_Msg(F(" MBit"));
|
|
print_Msg(F("Sram: "));
|
|
print_Msg(sramSize * 8 / 1024);
|
|
println_Msg(F(" KBit"));
|
|
println_Msg(FS(FSTRING_SPACE));
|
|
|
|
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
|
|
// Wait for user input
|
|
// Prints string out of the common strings array either with or without newline
|
|
print_STR(press_button_STR, 1);
|
|
display_Update();
|
|
wait();
|
|
#endif
|
|
}
|
|
|
|
//******************************************
|
|
// READ CODE
|
|
//******************************************
|
|
|
|
void readROM_LOOPY() {
|
|
dataIn_LOOPY();
|
|
|
|
createFolder("LOOPY", "ROM", romName, "bin");
|
|
|
|
display_Clear();
|
|
printAndIncrementFolder();
|
|
|
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
|
print_FatalError(sd_error_STR);
|
|
}
|
|
|
|
draw_progressbar(0, cartSize);
|
|
|
|
const size_t sdBufferSize = 512;
|
|
uint32_t sum = 0;
|
|
|
|
digitalWrite(LOOPY_ROMCE, LOW);
|
|
|
|
for (unsigned long ptr = 0; ptr < cartSize;) {
|
|
word myWord = readWord_LOOPY(ptr);
|
|
|
|
// aggregate checksum over 16-bit words, starting at 80h, this address is stored in header but never varies
|
|
if (ptr >= loopyChecksumStart) {
|
|
sum += myWord;
|
|
}
|
|
|
|
// Store in buffer
|
|
sdBuffer[ptr++ % sdBufferSize] = (myWord >> 8) & 0xFF;
|
|
sdBuffer[ptr++ % sdBufferSize] = myWord & 0xFF;
|
|
|
|
// Flush when buffer full
|
|
if (ptr % sdBufferSize == 0) {
|
|
myFile.write(sdBuffer, sdBufferSize);
|
|
blinkLED();
|
|
// Only update progress bar every 64kb
|
|
if (ptr % 0x10000 == 0) {
|
|
draw_progressbar(ptr, cartSize);
|
|
}
|
|
}
|
|
}
|
|
// TODO this assumes size is divisible by 512
|
|
myFile.close();
|
|
|
|
digitalWrite(LOOPY_ROMCE, HIGH);
|
|
|
|
// Instead of the CRC32, check the internal integrity based on the header checksum
|
|
print_Msg(F("Header sum: "));
|
|
println_Msg(checksumStr);
|
|
print_Msg(F("Actual sum: "));
|
|
|
|
char calculatedChecksumStr[9];
|
|
sprintf(calculatedChecksumStr, "%08lX", sum);
|
|
println_Msg(calculatedChecksumStr);
|
|
|
|
if (sum == loopyChecksum) {
|
|
println_Msg(F("INTEGRITY OK :)"));
|
|
} else {
|
|
println_Msg(F("INTEGRITY FAIL! Bad dump"));
|
|
}
|
|
|
|
display_Update();
|
|
}
|
|
|
|
//******************************************
|
|
// SRAM
|
|
//******************************************
|
|
|
|
void writeSRAM_LOOPY() {
|
|
// Being nice to the SRAM and not touching the data bus except when WE is LOW
|
|
dataIn_LOOPY();
|
|
|
|
sprintf(filePath, "%s/%s", filePath, fileName);
|
|
println_Msg(F("Restoring SRAM from"));
|
|
println_Msg(filePath);
|
|
display_Update();
|
|
|
|
digitalWrite(LOOPY_ROMCE, HIGH);
|
|
digitalWrite(LOOPY_RAMCS1, LOW);
|
|
digitalWrite(LOOPY_RESET, HIGH);
|
|
digitalWrite(LOOPY_OE, LOW);
|
|
|
|
if (myFile.open(filePath, O_READ)) {
|
|
for (unsigned long currByte = 0; currByte < sramSize; currByte++) {
|
|
writeByte_LOOPY(currByte, myFile.read());
|
|
if (currByte % 512 == 0) {
|
|
blinkLED();
|
|
}
|
|
}
|
|
myFile.close();
|
|
|
|
print_STR(done_STR, 1);
|
|
display_Update();
|
|
} else {
|
|
print_FatalError(sd_error_STR);
|
|
}
|
|
|
|
digitalWrite(LOOPY_RAMCS1, HIGH);
|
|
digitalWrite(LOOPY_OE, HIGH);
|
|
|
|
dataIn_LOOPY();
|
|
}
|
|
|
|
void formatSRAM_LOOPY() {
|
|
dataIn_LOOPY();
|
|
digitalWrite(LOOPY_ROMCE, HIGH);
|
|
digitalWrite(LOOPY_RAMCS1, LOW);
|
|
digitalWrite(LOOPY_RESET, HIGH);
|
|
digitalWrite(LOOPY_OE, LOW);
|
|
|
|
for (unsigned long currByte = 0; currByte < sramSize; currByte++) {
|
|
writeByte_LOOPY(currByte, 0);
|
|
if (currByte % 512 == 0) {
|
|
blinkLED();
|
|
}
|
|
}
|
|
|
|
digitalWrite(LOOPY_RAMCS1, HIGH);
|
|
digitalWrite(LOOPY_OE, HIGH);
|
|
dataIn_LOOPY();
|
|
print_STR(done_STR, 1);
|
|
display_Update();
|
|
}
|
|
|
|
void readSRAM_LOOPY() {
|
|
dataIn_LOOPY();
|
|
|
|
createFolder("LOOPY", "SAVE", romName, "sav");
|
|
|
|
foldern = foldern + 1;
|
|
EEPROM_writeAnything(0, foldern);
|
|
|
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
|
print_FatalError(sd_error_STR);
|
|
}
|
|
|
|
digitalWrite(LOOPY_ROMCE, HIGH);
|
|
digitalWrite(LOOPY_RAMCS1, LOW);
|
|
digitalWrite(LOOPY_OE, LOW);
|
|
|
|
const size_t sdBufferSize = 512;
|
|
for (unsigned long ptr = 0; ptr < sramSize;) {
|
|
uint8_t b = readByte_LOOPY(ptr);
|
|
sdBuffer[ptr++ % sdBufferSize] = b;
|
|
if (ptr % sdBufferSize == 0) {
|
|
myFile.write(sdBuffer, sdBufferSize);
|
|
blinkLED();
|
|
}
|
|
}
|
|
|
|
digitalWrite(LOOPY_OE, HIGH);
|
|
digitalWrite(LOOPY_RAMCS1, HIGH);
|
|
|
|
myFile.close();
|
|
print_Msg(F("Saved to "));
|
|
print_Msg(folder);
|
|
display_Update();
|
|
}
|
|
|
|
unsigned long verifySRAM_LOOPY() {
|
|
dataIn_LOOPY();
|
|
writeErrors = 0;
|
|
|
|
digitalWrite(LOOPY_ROMCE, HIGH);
|
|
digitalWrite(LOOPY_RAMCS1, LOW);
|
|
digitalWrite(LOOPY_OE, LOW);
|
|
|
|
if (myFile.open(filePath, O_READ)) {
|
|
for (unsigned long currBuffer = 0; currBuffer < sramSize; currBuffer += 512) {
|
|
for (int currByte = 0; currByte < 512; currByte++) {
|
|
byte myByte = readByte_LOOPY(currBuffer + currByte);
|
|
sdBuffer[currByte] = myByte;
|
|
}
|
|
for (int i = 0; i < 512; i++) {
|
|
if (myFile.read() != sdBuffer[i]) {
|
|
writeErrors++;
|
|
}
|
|
}
|
|
}
|
|
myFile.close();
|
|
} else {
|
|
print_FatalError(sd_error_STR);
|
|
}
|
|
|
|
digitalWrite(LOOPY_OE, HIGH);
|
|
digitalWrite(LOOPY_RAMCS1, HIGH);
|
|
|
|
return writeErrors;
|
|
}
|
|
#endif
|