I got my serial IO Board running today :) having only an Ithica CPU board, my oscilloscope and open workbench sniffer went quite useful to debug the whole stuff. actually I had not a single problem with the N8VEM SIO board ! the only difficulties went from the CPU board and essentially some mistakes I did in the EPROM code : having no RAM board, I removed all references to memory (including CALL, PUSH, POP, etc) and ended up burning a code limited to sending the monitor signon message and echoing characteres received for the RS232 interface.
next next is now the 4Mb board, I initially thought the 2nd one would the propeller board, but I think I first need to get some RAM in order to run the monitor appropriately and move to the next level..
Having LOTS of fun !
cheers
Philippe
