On 01/09/2012, at 6:47 AM, Douglas Goodall <
dougl...@mac.com> wrote:
> Friends,
>
> The video output of the TMS9918 is functioning today. The only obstacle now
> between me and great graphics is learning the chip. I put a PDF of the chip's
> programming manual in my journal on the wiki.
>
> I am using a vintage Apple ][ monochrome display and it looks properly vintage.
>
> I am continuing to be delighted by the efforts made on the design of the 2312
> motherboard, as many things are working right out of the gate. I am still having
> trouble with the SD support. Now I am using SanDisk chips and still having
> trouble so next thing is to obtain an SD extender widget so I can verify the signal
> integrity between the 3M socket and the board.
>
> The PPIDE is rock solid and the editing and build processes
>
> I bought two variable resistors for RV1 and RV2, but they were slightly too large to
> sit in their pads next to each other. Make sure to buy small footprint components for
> these.
>
> I have two 512KB memory chips installed, so I changed the RAMSIZE configuration
> variable to 1024 instead of the default 512.
>
> I am having big fun now :-)
>
> Douglas
>
>
> --
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