Erik PiehlYesterday got the SDRAM controller working. More testing and validation required, but it is nice to have 64 megs of memory! Memory paging unit is still not working completely.
SDRAM controller working...
A project log for TI-99/4A memory extension with Pipistrello FPGA
64 megabytes RAM expansion for the TI-99/4A using the Pipistrello FPGA board and a buffer board.
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