Miscellany

loadusr -W pyvcp -c pyvcp pyvcp_demo.xml

# start with halrun

loadrt threads name1=foo period1=1000000
loadrt hal_parport cfg="0x9800"
addf parport.0.write foo -1

net bit1 pyvcp.chbutton-sample => pyvcp.led-sample
linksp bit1 pyvcp.chbutton-sample
linksp bit1 parport.0.pin-03-out

loadusr -w echo Type 'exit' to leave the pyvcp demo
loadusr -w halcmd -kf