SD access now works

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 09/26/2016 at 18:000 Comments

I added SD card support VHDL code, but did not have the time until now to debug it. Now I have a TMS9900 assembler program which successfully displays the root directory of a FAT16 partition.