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DIY VGA Controller

Discussion in 'General Electronics Discussion' started by pyromaniac4382, Aug 14, 2014.

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  1. pyromaniac4382

    pyromaniac4382

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    Feb 7, 2013
    I want to output my Z80 computer to a VGA screen. I know that I could attach a UART and RS232 level converter to the Z80 then output through a serial interface via a PC, but is there any way that I could create a circuit to use this serial data to then output to a VGA monitor? I have seen many tutorials on the internet on how to make a VGA controller, but all of these focus on just putting an image on the screen. I just want to use the VGA monitor as a serial text terminal, no images.
     
  2. BobK

    BobK

    7,682
    1,687
    Jan 5, 2010
    People have done this with PICs. Search for "PIC VGA output".

    Bob
     
  3. pyromaniac4382

    pyromaniac4382

    61
    15
    Feb 7, 2013
    I am surprised that there is not a custom IC to just take serial data and dump it to a screen in the way that you would a PC via a terminal emulator, but instead to a VGA monitor. It seems like it would be a useful debugging tool.
     
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