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.

Erik PiehlErik Piehl 08/19/2016 at 08:050 Comments

Yesterday 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.