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???
02/10/10 15:48
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#173033 - One Possible Idea for Video Generation...
Responding to: ???'s previous message

Weliton,

If you are only planning to use a character-based display, you could offload a lot of the work onto something like the Maxim MAX7456, which is intended as a composite video overlay generator IC, but will also produce a 16 row x 30 column composite character display. (White characters with a dark background if no video overlay function is needed).

You can create custom characters with it as well.

Pretty simple to get working, and I have example code.

That would eliminate a large portion of the overhead required for video.

Just one more idea to put in your pocket...

Good luck with your project...I won't debate the validity of using an 8051, and will wish you the best of luck! Sounds fun!






List of 43 messages in thread
TopicAuthorDate
Computer with FAT16 SDCard and Video            01/01/70 00:00      
   consider SDCC            01/01/70 00:00      
   Re:SDCC            01/01/70 00:00      
   Why?            01/01/70 00:00      
      SD-Cards            01/01/70 00:00      
         I agree Andy            01/01/70 00:00      
            But why 8051??            01/01/70 00:00      
               Why NOT?            01/01/70 00:00      
                  RE: Why NOT?            01/01/70 00:00      
            here we go again            01/01/70 00:00      
               10227th '51 PC            01/01/70 00:00      
   why do it at all?            01/01/70 00:00      
      Why indeed!            01/01/70 00:00      
         questions and answers            01/01/70 00:00      
            Far better architectures            01/01/70 00:00      
               There once were MANY better architectures            01/01/70 00:00      
                  RE: one has to circumvent the architectural feature            01/01/70 00:00      
         OP's computer definition            01/01/70 00:00      
            plain-old 89S51            01/01/70 00:00      
               Computers and well.. computers            01/01/70 00:00      
   cleanup of the screen            01/01/70 00:00      
      KK            01/01/70 00:00      
   Simple - english            01/01/70 00:00      
      English?            01/01/70 00:00      
      porting to 8052.com SBC?            01/01/70 00:00      
         Termi            01/01/70 00:00      
      actually, it's not von Neumann            01/01/70 00:00      
         It's not hard            01/01/70 00:00      
   One Possible Idea for Video Generation...            01/01/70 00:00      
      Re.One Possible...            01/01/70 00:00      
      an 8052 video generator on 8052.com            01/01/70 00:00      
   Meanwhile, working ...            01/01/70 00:00      
   8052-based multichip board?            01/01/70 00:00      
      8052 single chip            01/01/70 00:00      
         video            01/01/70 00:00      
            If you really want to do this ...            01/01/70 00:00      
               good idea            01/01/70 00:00      
                  translated            01/01/70 00:00      
            Re.Video            01/01/70 00:00      
               seperate processor for video            01/01/70 00:00      
               that's what you'd use to convert bytes to bits ...            01/01/70 00:00      
               HC is NOT TTL            01/01/70 00:00      
                  Disparity in the technology is not the issue here            01/01/70 00:00      

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