William Chops Westfield wrote:
> On Aug 17, 2006, at 5:55 PM, James Newtons Massmind wrote:
>
>   
>>> replace the ST Video overlay chips that are used in
>>> police cars everywhere. ST has dropped them. They have to
>>> paint standard 8 x 10 pixel characters, 26 characters per
>>> line, 12 lines. Only BOBIII can do it at the moment.
>>>       
>> 26 x 12 is 312 so you would need external RAM. The SX's
>> have 262 bytes at most.
>>     
>
> If I understand Bob's application, he doesn't need 312 characters,
> he needs smaller numbers of characters in the corners of a video
> screen, sized and placed in spots at the corners of the screen,
> in spaces corresponding to the 26x12 matrix.
>
> What about a chip/circuit that does that explicitly? 8x1 in each
> of the four corners or similar?  Speed limitations are different
> than memory limitations...  Or does it need to be a drop-in
> replacement for the old ST part?
>
> BillW
>   
Unfortunately, every police setup is unique. Been down that path before. 
They want to
put it ANYWHERE. Not only that, but full-screen text is used to setup 
the car video
system.

--Bob

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