Fix SPCs dumped via Snes9x for split700

snes9x_split700_fix.js

#!/usr/bin/env nodejs

/*
Fix SPCs dumped via Snes9x for split700

This script will let you avoid split700's bug and dump BRRs properly.
Just put the script into your SPC folder, this scrpit will scan and fix all SPCs in the folder.
(Node.js is required)

This script is in the public domain.
*/

var fs = require('fs');
var dirpath = process.cwd();
var filelist = fs.readdirSync(dirpath);

readExt = function(fileName){
    var tempName = fileName.split(".");
    return tempName[tempName.length - 1];
}

for(i = 0; i < filelist.length; i++){
	if (readExt(filelist[i]) == "spc") {
        var chunk = fs.readFileSync(filelist[i]);
        for (j = 0; j < 8; j++) {
            chunk[0x1010A + j * 16] = 0x00;
            chunk[0x1010B + j * 16] = 0x00;
            chunk[0x1010E + j * 16] = 0x00;
        }
        fs.writeFileSync(filelist[i], chunk);
        console.log("Fixed " + filelist[i]);
    }
};