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remove local variables which are only used in function context

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smesgr9000 2024-05-25 09:57:46 +02:00
parent 73700e2886
commit d1d83bbd10
1 changed files with 25 additions and 21 deletions
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46
Cart_Reader/NES.ino
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@ -233,19 +233,10 @@ const uint8_t RAM[] PROGMEM = { 0, 8, 16, 32 };
uint8_t ramlo = 0; // Lowest Entry
uint8_t ramhi = 3; // Highest Entry
uint16_t banks;
uint16_t prg;
uint16_t chr;
uint8_t ram;
bool vrc4e = false;
uint8_t prgchk0;
uint8_t prgchk1;
bool mmc6 = false;
uint8_t prgchk2;
uint8_t prgchk3;
word eepsize;
uint8_t bytecheck;
uint8_t firstbyte;
bool flashfound = false; // NESmaker 39SF040 Flash Cart
// Cartridge Config
@ -1557,10 +1548,10 @@ setram:
void checkMMC6() { // Detect MMC6 Carts - read PRG 0x3E00A ("STARTROPICS")
write_prg_byte(0x8000, 6); // PRG Bank 0 ($8000-$9FFF)
write_prg_byte(0x8001, 0x1F); // 0x3E000
prgchk0 = read_prg_byte(0x800A);
prgchk1 = read_prg_byte(0x800B);
prgchk2 = read_prg_byte(0x800C);
prgchk3 = read_prg_byte(0x800D);
uint8_t prgchk0 = read_prg_byte(0x800A);
uint8_t prgchk1 = read_prg_byte(0x800B);
uint8_t prgchk2 = read_prg_byte(0x800C);
uint8_t prgchk3 = read_prg_byte(0x800D);
if ((prgchk0 == 0x53) && (prgchk1 == 0x54) && (prgchk2 == 0x41) && (prgchk3 == 0x52))
mmc6 = true; // MMC6 Cart
}
@ -1670,6 +1661,7 @@ void dumpMMC5RAM(word base, word address) { // MMC5 SRAM DUMP - PULSE M2 LO/HI
}
void writeMMC5RAM(word base, word address) { // MMC5 SRAM WRITE
uint8_t bytecheck;
myFile.read(sdBuffer, 512);
for (size_t x = 0; x < 512; x++) {
do {
@ -1711,6 +1703,7 @@ void readPRG(bool readrom) {
word base = 0x8000;
bool busConflict = false;
uint16_t banks;
if (myFile) {
switch (mapper) {
@ -2724,6 +2717,8 @@ void readCHR(bool readrom) {
display_Update();
}
uint16_t banks;
LED_GREEN_ON;
set_address(0);
_delay_us(1);
@ -2885,12 +2880,13 @@ void readCHR(bool readrom) {
}
break;
case 23: // 128K
case 23: { // 128K
// Detect VRC4e Carts - read PRG 0x1FFF6 (DATE)
// Boku Dracula-kun = 890810, Tiny Toon = 910809
// Crisis Force = 910701, Parodius Da! = 900916
write_prg_byte(0x8000, 15);
prgchk0 = read_prg_byte(0x9FF6);
bool vrc4e;
uint8_t prgchk0 = read_prg_byte(0x9FF6);
if (prgchk0 == 0x30) { // Check for "0" in middle of date
vrc4e = true; // VRC4e Cart
}
@ -2904,7 +2900,7 @@ void readCHR(bool readrom) {
dumpBankCHR(0x0, 0x400);
}
break;
}
case 24: // 128K
banks = int_pow(2, chrsize) * 4;
write_prg_byte(0xB003, 0); // PPU Banking Mode 0
@ -3562,6 +3558,8 @@ void readCHR(bool readrom) {
void readRAM() {
display_Clear();
display_Update();
uint16_t banks;
LED_BLUE_ON;
LED_GREEN_ON;
@ -3641,7 +3639,8 @@ void readRAM() {
break;
case 16: // 256-byte EEPROM 24C02
case 159: // 128-byte EEPROM 24C01 [Little Endian]
case 159: {// 128-byte EEPROM 24C01 [Little Endian]
size_t eepsize;
if (mapper == 159)
eepsize = 128;
else
@ -3652,7 +3651,7 @@ void readRAM() {
myFile.write(sdBuffer, eepsize);
// display_Clear(); // TEST PURPOSES - DISPLAY EEPROM DATA
break;
}
case 19:
if (ramsize == 2) { // PRG RAM 128B
for (size_t x = 0; x < 128; x++) {
@ -3762,6 +3761,7 @@ void writeRAM() {
} else {
fileBrowser(F("Select RAM File"));
word base = 0x6000;
uint16_t banks;
sd.chdir();
sprintf(filePath, "%s/%s", filePath, fileName);
@ -3839,7 +3839,8 @@ void writeRAM() {
break;
case 16: // 256-byte EEPROM 24C02
case 159: // 128-byte EEPROM 24C01 [Little Endian]
case 159: {// 128-byte EEPROM 24C01 [Little Endian]
size_t eepsize;
if (mapper == 159)
eepsize = 128;
else
@ -3853,7 +3854,7 @@ void writeRAM() {
display_Update();
}
break;
}
case 19:
if (ramsize == 2) { // PRG RAM 128B
myFile.read(sdBuffer, 128);
@ -3890,7 +3891,7 @@ void writeRAM() {
write_prg_byte(0x7EF9, 0x84); // PRG RAM ENABLE 2 ($7000-$73FF)
for (size_t address = 0x0; address < 0x1400; address += 1024) { // PRG RAM 5K ($6000-$73FF)
myFile.read(sdBuffer, 512);
firstbyte = sdBuffer[0];
uint8_t firstbyte = sdBuffer[0];
for (size_t x = 0; x < 512; x++)
write_prg_byte(base + address + x, sdBuffer[x]);
myFile.read(sdBuffer, 512);
@ -4243,6 +4244,9 @@ void writeFLASH() {
println_Msg(fileName);
display_Update();
uint8_t bytecheck;
uint16_t banks;
//open file on sd card
if (myFile.open(filePath, O_READ)) {
banks = int_pow(2, prgsize); // 256K/512K