jslinux/KBD.js
2013-03-21 00:25:29 -04:00

25 lines
667 B
JavaScript

/*
Fabrix - An annotated version of the original JSLinux which is Copyright (c) 2011 Fabrice Bellard
Keyboard Device Emulator
*/
function KBD(PC, reset_callback) {
PC.register_ioport_read(0x64, 1, 1, this.read_status.bind(this));
PC.register_ioport_write(0x64, 1, 1, this.write_command.bind(this));
this.reset_request = reset_callback;
}
KBD.prototype.read_status = function(mem8_loc) {
return 0;
};
KBD.prototype.write_command = function(mem8_loc, x) {
switch (x) {
case 0xfe: // Resend command. Other commands are, apparently, ignored.
this.reset_request();
break;
default:
break;
}
};