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Add timestamps, writer id, placeholder cart id, more accurate slot wiping/filler data

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This commit is contained in:
Evan Barger
2021-04-08 22:03:15 -04:00
parent b24a566a61
commit cfdac09529
1 changed files with 34 additions and 5 deletions
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39
script/gbnp.js
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@@ -61,8 +61,8 @@ class ROM {
this.menuText = this.title;
file.seek(0x143);
let cgbByte = file.readByte();
this.cgb = cgbByte == 0x80 || cgbByte == 0xC0;
this.cgbByte = file.readByte();
this.cgb = this.cgbByte == 0x80 || this.cgbByte == 0xC0;
file.seek(0x147);
this.typeByte = file.readByte();
@@ -355,13 +355,19 @@ class Processor {
romFile.writeBytes(Array.from(this.tickerBitmap));
}
// timestamp / writer id
const date = (new Date).toISOString().split('.')[0].replace('T', '').replace(/-/g, '/');
const timestampId = `${date} ORANGE `; // should be 26 bytes
romFile.seek(0x1C1BF);
romFile.writeBytes(stringToCharArray(timestampId));
let romBase = 0x01;
let romFileIndex = 0x1C200;
// disable existing entries
// wipe existing entries
for (let i = 0; i < 7; i++) {
romFile.seek(romFileIndex + i * 512);
romFile.writeByte(0xFF);
romFile.writeByteUntil(0xFF, romFileIndex + (i+1) * 512);
}
@@ -371,6 +377,8 @@ class Processor {
for (let i = 0; i < this.roms.length; i++) {
const rom = this.roms[i];
romFile.seek(romFileIndex);
romFile.writeByteUntil(0, romFileIndex + 512);
romFile.seek(romFileIndex);
// rom index
romFile.writeByte(i + 1);
@@ -390,11 +398,28 @@ class Processor {
romFile.writeByte(rom.paddedRamSizeKB() > 0 ? 1 : 0); // true if 8 used
romFile.writeByte(rom.paddedRamSizeKB() > 8 ? 1 : 0); // true if 32 used
romFile.seek(romFileIndex + 63);
// game identifier "DMG -TRA - "
romFile.writeBytes(
stringToCharArray(`${rom.cgbByte == 0xC0 ? 'CGB' : 'DMG'} -??? - `)
); // 12 characters
// Shift-JIS title (override with ascii)
romFile.seek(romFileIndex + 19);
romFile.writeByteUntil(0, 0x1C23F) // override with zeros
romFile.seek(romFileIndex + 20); // leave first byte emtpy to identify as ascii text
romFile.writeBytes(stringToCharArray(rom.title));
// title bitmap
romFile.seek(romFileIndex + 63); // 0x1C23F
romFile.writeBytes(rom.bitmapBuffer);
// timestamp / writer id
romFile.seek(romFileIndex + 0x1BF); //0x1C3BF
romFile.writeBytes(stringToCharArray(timestampId));
// final padding
romFile.writeByteUntil(0xFF, romFileIndex + 512);
romFileIndex += 512
// apply iG power cart hack
@@ -664,6 +689,10 @@ class FileSeeker {
}
}
const stringToCharArray = (str) => {
return str.split('').map(c => c.charCodeAt(0));
}
const FULL_WIDTH_PUNC = {
'!': '！', '?': '？', '&': '＆', '(': '（', ')': '）', '~': '～',
};