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WagnerBrasil

F8 bank switching method

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My name, Wagner, I'm from Brazil, I'm trying to make an Atari 2600 cartridge to play my favorite games when I was a kid. I downloaded this scheme from the internet F8, I can not make it work, I already made the plate, but I can not modify the roms according to the scheme of the plate. Help can anyone help? Thank you

My name, Wagner, I'm from Brazil, I'm trying to make an Atari 2600 cartridge to play my favorite games when I was a kid. I downloaded this scheme from the internet F8, I can not make it work, I already made the plate, but I can not modify the roms according to the scheme of the plate. Help can anyone help? Thank you

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My name, Wagner, I'm from Brazil, I'm trying to make an Atari 2600 cartridge to play my favorite games when I was a kid. I downloaded this scheme from the internet F8, I can not make it work, I already made the plate, but I can not modify the roms according to the scheme of the plate. Help can anyone help? Thank you

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I tried to modify the rom in FF8 FF9 did not work. I tried to turn the addressing (A12-A11-A10-A9) into binary to make change between the banks, it did not work. Does anyone have a suggestion, what is the correct way to change the bank in this scheme of the board. The files are together Eagle 5.0

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This board has 3 errors 1- Connectors (24) not close to the Atari 2600 scaffold 2- VCC 5+ is not connected between the busbar and the board. 3- IC 27C256 Inverted.

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