Date   : Fri, 15 Feb 2008 13:54:49 +0000 (GMT)
From   : tommowalker@... (Tom Walker)
Subject: BBC FPGA Boots to BASIC... almost...

> I can tell you that it is executing the BASIC ROM header at least - I 
> haven't got any further than that.
> 
> Of course, it could be any of the MOS ROM interrupt/hook/OS routines that
> is 
> actually failing before BASIC prints the ">" prompt...

At this stage it is most likely the System VIA that is causing problems. MOS
doesn't need interrupts working to get to the prompt, but the IO ports do
have to work. Probably worth checking that the speech/joystick/keyboard
inputs are all simulated as 'not pressed' or 'no event' or whatever.

Tom


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