Internet_Arcade_Tweak.js

newCfgFile = '<?xml version="1.0"?><mameconfig version="10"><system name="blstroid"><input><remap origcode="KEYCODE_UP" newcode="KEYCODE_UP"/><port type="P1_DIAL" sensitivity="27" reverse="no"><newseq type="standard">MOUSECODE_YAXIS</newseq></port></input></system></mameconfig>'
newCfgFile2 = '<MAMEconfig version="10"><system name="blstroid"><input><port tag=":DIAL0" type="P1_DIAL" mask="255" defvalue="0" sensitivity="24" /></input></system></MAMEconfig>'

orig_BrowserFS_initialize=BrowserFS.initialize;
BrowserFS.initialize=function(z){
  var r=window.orig_BrowserFS_initialize(z);
  window.orig_FS_mkdir=FS.mkdir;
  FS.mkdir=function(d){
  var r=window.orig_FS_mkdir(d);
  if (d=="/artwork") {
    FS.writeFile('/emulator/bb.cfg',newCfgFile);
    FS.writeFile('/emulator/blstroid.cfg',newCfgFile2);
  }
  return r;
  }
  return r;
};
MAMELoader.extraArgs=(z)=>({extra_mame_args:['-mouse','-keepaspect','-writeconfig','-cfg_directory','/emulator','-ctrlrpath','/emulator','-ctrlr','bb']});
AJS.emulate()