Space reduction to fit onto a Spartan 6 LX9. Allow disabling stereo and covox. Also replace pokey non-linear table with a piecewise linear function rather than a LUT
Fix write through problem
New mode for full OS and no basic rom
Fixes for 5200 support. Now working:-)
Added option for OSB internally
Always complete sram request if we have no sram
Add an additional internal rom option - internal_rom=2, which for now just loops reading/writing 4 bytes. e.g. for testing new RAM setups
Compiled/ran helloworld in sim. Appears fine...
First cut at simple toplevel for the atari800xl - needs checking with isim...
Current unmerged vhdl for my Atari800 core and start at merging them into one tree with a common core