add hgignore draft

Stuff... draft

[full replacement] implement a state machine for Rx draft

almost working... before killing the 87C51... draft

[hp34comm] fix key stroke reception code draft

use A10 and D10 instead of D7 and D8 as dbg pins draft

define HAVE_PC to have a serial (debug) console draft

make USB (debug) serial console depend only on HAVE_PC compile variable draft

typo draft

HP_TX is now useless draft

(0) -10 +10 tip

mercurial