In article <[EMAIL PROTECTED]>, Branko Badrljica
<[EMAIL PROTECTED]> writes
>Hi to all,
>
>I am looking for info of ULA 2 and SPC behaviour.
>My old QL, that is heawilly wirewrapped (amongst other things, complete
>bus mouse interface,
>printerport, 2Mb DRAM exp, new 68008 CPU in PLCC, floppy controller etc.-
>everything handmade with classic
>chips and wirewrapped) and is crashing most of its time now due to
>bazillion wires inside.
>
>So, I have made new proto-board for it. While at it, I ahave decide that
>this would be ideal oportunity to replace some
>old Sinclair mistakes. So, there is new CPU in it 68EC000 instead of old
>68008 with 8-bit data bus and PIC17C766 will replace old
>ULA 2 and SPC. In order to write code for the PIC, I have to be familiar
>with exact behaviour of SPC and ULA 2.
Good luck with your hardware project ... this sounds very interesting.
I hope the you get the technical help required.
--
Malcolm Cadman
