MiSTer FPGA Forum

ok. after leaving it for a while I came back to this issue and I looked at the ao486 core and used its ddram memory mapping which fixed the issues.
it seems i forgot to divide by 8 on the memory bus to make it 64 bit words. it was being overwritten by the frame buffer every time. lulz.

i'm using 17.0 the one recommended and i'm already not using the frame buffer. the thing is i do have a high speed on the bus to ddr. its almost 100mhz.

When I compile my design with the NOHDMI_DEBUG MODE enabled, My design works flawlessly. But when I enable the HDMI portion by commenting out the macro, It fails to run properly. I have no idea why this is. Ive checked its ddram upload which seems to have worked properly. So the data is in the DDRRAM. But the cpu doesnt get it and start running. Iv...

Hi. what does the 'sd_req_type' input in the hp_ios module do?
I am having some problems accessing sd card images with code that used to work but now doesn't , after a few years ago.
better internal code documentation would be really helpful.