could someone please tell me how to utilize the the linkport protocals ins doorsos.h? for example, to send a byte, put such and such in register q... (or point me to some source?) 1. doorsos::reset_link equ _ROM_CALL_24C 2. doorsos::flush_link equ _ROM_CALL_24D 3. doorsos::receive equ _ROM_CALL_24F 4. doorsos::transmit equ _ROM_CALL_250 5. doorsos::tx_free equ _ROM_CALL_252 thanks nick