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Merge pull request #227 from PsyK0p4T/master

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Update NGP.ino
This commit is contained in:
sanni 2021-08-18 01:03:21 +02:00 committed by GitHub
commit 7a975ec97b
1 changed files with 78 additions and 48 deletions
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126
Cart_Reader/NGP.ino
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@ -9,6 +9,12 @@ static const char ngpMenuItem1[] PROGMEM = "Read Rom";
static const char ngpMenuItemReset[] PROGMEM = "Reset";
static const char* const menuOptionsNGP[] PROGMEM = {ngpMenuItem1, ngpMenuItemReset};
static const char ngpRomItem1[] PROGMEM = "4 Mbits";
static const char ngpRomItem2[] PROGMEM = "8 Mbits";
static const char ngpRomItem3[] PROGMEM = "16 Mbits";
static const char ngpRomItem4[] PROGMEM = "32 Mbits";
static const char* const ngpRomOptions[] PROGMEM = {ngpRomItem1, ngpRomItem2, ngpRomItem3, ngpRomItem4};
char ngpRomVersion[3];
uint8_t ngpSystemType;
uint8_t manufacturerID;
@ -37,11 +43,8 @@ void setup_NGP() {
PORTH |= ((1 << 0) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6));
if (getCartInfo_NGP())
{
printCartInfo_NGP();
}
else
{
else {
println_Msg(F("NeoGeo Pocket"));
println_Msg(F(""));
println_Msg(F(""));
@ -59,8 +62,7 @@ void ngpMenu() {
convertPgm(menuOptionsNGP, 2);
mainMenu = question_box(F("NGP Menu"), menuOptions, 2, 0);
switch (mainMenu)
{
switch (mainMenu) {
case 0:
sd.chdir("/");
readROM_NGP(filePath, FILEPATH_LENGTH);
@ -97,42 +99,40 @@ bool getCartInfo_NGP() {
*(tmp + 0) = deviceID;
*(tmp + 1) = manufacturerID;
switch (romSize)
{
// detection error
case 0xffff:
return false;
break;
// 4 Mbits
// Toshiba
case 0x98ab:
cartSize = 524288;
break;
// Toshiba ?
case 0x204c:
cartSize = 524288;
break;
switch (romSize) {
// detection error
case 0xffff:
return false;
break;
// 4 Mbits
case 0x98ab:
cartSize = 524288;
break;
// Toshiba ?
case 0x204c:
cartSize = 524288;
break;
// 8 Mbits
// Toshiba
case 0x982c:
cartSize = 1048576;
break;
// Samsung
case 0xec2c:
cartSize = 1048576;
break;
// 8 Mbits
// Toshiba
case 0x982c:
cartSize = 1048576;
break;
// Samsung
case 0xec2c:
cartSize = 1048576;
break;
// 16 Mbits
// Toshiba
case 0x982f:
cartSize = 2097152;
break;
// Samsung
case 0xec2f:
cartSize = 2097152;
break;
// 16 Mbits
// Toshiba
case 0x982f:
cartSize = 2097152;
break;
// Samsung
case 0xec2f:
cartSize = 2097152;
break;
}
// reset to read mode
@ -151,8 +151,8 @@ bool getCartInfo_NGP() {
snprintf(cartID, 5, "%02X%02X", readByte_NGP(0x21), readByte_NGP(0x20));
// force rom size to 32Mbits for few titles
if (strcmp(cartID,"0060") == 0 || strcmp(cartID,"0061") == 0 || strcmp(cartID,"0069") == 0 )
cartSize = 4194304;
if (strcmp(cartID,"0060") == 0 || strcmp(cartID,"0061") == 0 || strcmp(cartID,"0069") == 0 )
cartSize = 4194304;
// get app version
snprintf(ngpRomVersion, 3, "%02X", readByte_NGP(0x22));
@ -190,14 +190,12 @@ void printCartInfo_NGP() {
println_Msg(F("Unknown"));
print_Msg(F("Rom Size: "));
if (cartSize == 0)
{
if (cartSize == 0) {
println_Msg(F("Unknown"));
print_Msg(F("Chip ID: "));
println_Msg(String(manufacturerID,HEX) + " " + String(deviceID,HEX));
}
else
{
else {
print_Msg((cartSize >> 17));
println_Msg(F(" Mbits"));
}
@ -208,6 +206,38 @@ void printCartInfo_NGP() {
}
void readROM_NGP(char *outPathBuf, size_t bufferSize) {
// Set cartsize manually if chip ID is unknown
if (cartSize == 0) {
unsigned char ngpRomMenu;
// Copy menuOptions out of progmem
convertPgm(ngpRomOptions, 4);
ngpRomMenu = question_box(F("Select ROM size"), menuOptions, 4, 0);
// wait for user choice to come back from the question box menu
switch (ngpRomMenu) {
case 0:
// 4 Mbits
cartSize = 524288;
break;
case 1:
// 8 Mbits
cartSize = 1048576;
break;
case 2:
// 16 Mbits
cartSize = 2097152;
break;
case 3:
// 32 Mbits
cartSize = 4194304;
break;
}
}
// generate fullname of rom file
snprintf(fileName, FILENAME_LENGTH, "%s.ngp", romName);
@ -239,14 +269,14 @@ void readROM_NGP(char *outPathBuf, size_t bufferSize) {
dataOut();
writeByte_NGP(0x0, 0xf0);
// read rom
// read rom
dataIn();
for (uint32_t addr = 0; addr < cartSize; addr += 512) {
// blink LED
if ((addr & ((1 << 14) - 1)) == 0)
PORTB ^= (1 << 4);
// read block
for (uint32_t i = 0; i < 512; i++)
sdBuffer[i] = readByte_NGP(addr + i);