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oldbloke

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Posts posted by oldbloke


  1. how does one make a cart for the 7800? i would guess it is similar to making a 2600 one. is there a document or website about how to do this?

    853338[/snapback]

    Currently the only option is to cannibalize a common 7800 32K cartridge, swapping the ROM with an EPROM with an inverter between A15 and ~OE.

     

    However, I wouldn't be surprised if Joe Grand of Pixels Past and Albert have something on the drawing board. (Although a donor cart may still be required for the plastic housing.)

    854584[/snapback]

     

    what kind of eprom are you using for these?


  2. I wired it up the right way now but when I try to read a cart my programmer says it is not connected to the socket properly. if I try to read it with no cart in the port it doesn't see a problem with it. I am trying to use only 4k games like pacman and defender as i know it won't work with larger games.


  3. i tried to make a cart dumper adapter using a catridge port from an old junk system. I wired it up like a 2732 like a previous poster said but it didn't work. I am probably overlooking something simple. the pinout on a cart edge connector, if you are lookig at it from the edge connector end with the label up, the top connectors are 13-24 from right to left, and the bottom would be 12-1, correct? i wired the port connector to a empty socket. I also found a differnt pin out for a 2732 here at this site-http://www.embeddedlinks.com/chipdir/pinusr/2732.txt. Which is correct or what am I doing wrong? does some one have any pictures of one that they made?

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