search

SmokeMonsterPacks / Nt-Mini-Noir-Jailbreak

Custom "Jailbreak" firmware for the Analogue Nt Mini V2 "Noir"
142 stars 14 forks source link

Colecovision core: video height doesn't go above 1080 (on JB firmware v6.6) #99

Open alexeyza opened 3 years ago

alexeyza commented 3 years ago

After updating firmware for NT Mini Noir to JB v6.6 today, I noticed that the video height for the Colecovision core is maxed at 1080. In firmware JB v6.5 it went up to 1200, I took a screenshot before upgrading. I used the same screen before and after the upgrade to v6.6. Restarting the device doesn't resolve this.

Any ideas to why is this happening? Did anyone else experience this?

Here is a screenshot from JB firmware v6.6 (Colecovision core): 20210225_220339

Screenshot from JB firmware v6.5 (Colecovision core): 20210225_201912

Firebrandx commented 3 years ago

I noticed this too, but keep in mind the vertical is now based on 192 instead of 240. So instead of "5x vertical equals 1200", 5x vertical now properly equals 960. The only problem is this means a "6x" label has to be coded for overscan, which gives 1152 vertical instead of 1200.

Really where this all goes wrong is it doesn't adhere to the SMS video standards, when they should be EXACTLY the same. Both use the same dot clocks as PARs.