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cartreader/extras/npsplit/npsplit.pde
2016-07-04 13:21:34 +02:00

149 lines
4.2 KiB
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/**********************************************************************************
Nintendo Power Splitter
Author: sanni
Date: 2016-05-02
Version: V1
Compiled with Processing 3.0.2
**********************************************************************************/
/******************************************
Variables
*****************************************/
// Define 4MB byte array that stores the file
byte[] NP = new byte[4194303];
// Define 12 byte array to store menu string
byte menuString[] = {0x4D, 0x45, 0x4E, 0x55, 0x20, 0x50, 0x52, 0x4F, 0x47, 0x52, 0x41, 0x4D};
// Menu variables
boolean npMenu = true;
byte numGames = 0;
// rom info arrays
char[][] romName = new char[8][21];
int[] romAddress = new int[8];
int[] romSize = new int[8];
char[][] romCode = new char[8][12];
boolean[] hirom = new boolean[8];
/******************************************
Setup
*****************************************/
void setup() {
// Make 500x300 pixel window with black background
size(500, 300);
background(0);
NP[4194302] = 0x66;
// Write title
text("Nintendo Power Splitter V1", 20, 20);
// File open dialog
selectInput("Select 4MB NP dump:", "fileSelected");
noLoop();
}
/******************************************
Helper Functions
*****************************************/
// Loads selected file into byte array
void fileSelected(File selection) {
if (selection != null)
NP = loadBytes(selection);
}
/******************************************
Main function
*****************************************/
void draw() {
// Wait until array is filled with the 4MB file
while (NP[4194302] == 0x66) {
delay(200);
}
// Check if menu is present
for (int i = 0; i < 12; i++) {
if (menuString[i] != NP[0x7FC0+i]) {
npMenu = false;
}
}
if (npMenu) {
// Count number of games
for (int i = 0x60000; i < 0x6E000; i += 0x2000) {
if (NP[i] == numGames )
numGames++;
}
text("Number of games: " + (numGames), 20, 60);
// Get game info
for (int i = 0; i < numGames; i++) {
// Read starting address and size
romAddress[i] = NP[0x60000 + i*0x2000 + 0x01] * 0x80000;
romSize[i] = NP[0x60000 + i*0x2000 + 0x03] * 131072;
// Read game code
for (int j = 0; j < 12; j++) {
romCode[i][j] = char(NP[0x60000 + i*0x2000 + 0x07 + j]);
}
//check if hirom
if (NP[romAddress[i]+0xFFD5] == 0x31) {
hirom[i] = true;
} else {
hirom[i] = false;
}
// Read rom name
for (int j = 0; j < 21; j++) {
if (hirom[i]) {
romName[i][j] = char(NP[romAddress[i]+0xFFC0+j]);
} else {
romName[i][j] = char(NP[romAddress[i]+0x7FC0+j]);
}
}
// Convert char array to String to be printed
String tempStr1 = new String(romName[i]);
// Convert char array to String to be printed
String tempStr2 = new String(romCode[i]);
// Clean the Strings
tempStr1 = tempStr1.trim();
tempStr1 = tempStr1.replaceAll("-$", "");
tempStr1 = tempStr1.trim();
tempStr2 = tempStr2.trim();
tempStr2 = tempStr2.replaceAll("-$", "");
tempStr2 = tempStr2.trim();
// Print all info
text("Game" + i + ": " + tempStr1 + " " + tempStr2 + " Addr: 0x" + hex(romAddress[i]) + " Size: " + romSize[i]/1024 + "KB", 20, 80+i*20);
}
// Split the rom
for (int i = 0; i < numGames; i++) {
byte[] OUT = new byte[romSize[i]];
String fileName = new String(romCode[i]);
// Clean the String
fileName = fileName.trim();
fileName = fileName.replaceAll("-$", "");
fileName = fileName.trim();
// Create the array to be written to a file
for (int j = 0; j < romSize[i]; j++) {
OUT[j] = NP[romAddress[i] + j];
}
// Write the file
saveBytes(fileName + ".bin", OUT);
}
} else {
text("NP menu not found.", 20, 60);
}
}
//******************************************
// End of File
//******************************************