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authorPsyK0p4T <[email protected]>2021-08-18 01:00:07 +0200
committerGitHub <[email protected]>2021-08-18 01:00:07 +0200
commit8fb0a2b11a9c28934637426c7df4dd4ae63e1b77 (patch)
treecf63d5b86cb2b10e88d3cf5eaed329b956872608 /Cart_Reader/NGP.ino
parentbd4999b716e62250ad5de79b4373d14f1add259d (diff)
downloadcartreader-8fb0a2b11a9c28934637426c7df4dd4ae63e1b77.tar.gz
cartreader-8fb0a2b11a9c28934637426c7df4dd4ae63e1b77.zip
Update NGP.ino
- Manual rom size selection added before dumping when flash chip is unknown - Code display rearranged
Diffstat (limited to 'Cart_Reader/NGP.ino')
-rw-r--r--Cart_Reader/NGP.ino128
1 files changed, 79 insertions, 49 deletions
diff --git a/Cart_Reader/NGP.ino b/Cart_Reader/NGP.ino
index a62b2ac..cdc8380 100644
--- a/Cart_Reader/NGP.ino
+++ b/Cart_Reader/NGP.ino
@@ -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;
-
- // 8 Mbits
- // Toshiba
- case 0x982c:
- cartSize = 1048576;
- break;
- // Samsung
- case 0xec2c:
- cartSize = 1048576;
- 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;
- // 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);