This is a port of TMK's converter/xt_usb to QMK.
This firmware converts XT keyboard protocol to USB.(It supports Scan Code Set 1.)
PD1, Data on PD0 by default. And optionally you can use PB7 for Reset.(Compatible to Soarer's converter) To change pin configuration edit config.h.https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-XT-Keyboard-Protocol