Wednesday, 22 April 2015

SRAM replacement for 9129

For more stability I built the SRAM-replacement from " Tom LeMense ".
But because I have the 9129 (not the 9929) I only need one 74F374 latch clocked with RAS.
With the SRAM the VDP works much better.

I made a test-picture with a small AVR-program to adjust the colors with the resistors in the RGB converter.

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