Gameboy-Online - Export SAV file

gistfile1.js

/**
 * This will let you export SAV file from a ROM.
 * NOTE : Just change the "filename" variable to name of the ROM.
 */

// Getting the data //
var filename = "ROM_NAME";
var rawData = JSON.parse(localStorage["SRAM_" + filename]) // Data is stored JSON format in localStorage //
				.map(function (a) { return String.fromCharCode(a); }) // We convert each value in the array to the char value //
				.join(""); // We make it into a big string which is the data of the save file //
				
// Creating the save file popup with the hidden iframe technique //
var tmpIframe = document.createElement("iframe");
tmpIframe.src = "data:application/force-download," + escape(rawData);
tmpIframe.style.display = "none";

document.body.appendChild(tmpIframe);