0.10a is out. Incompatible with previous saves.
34 Feb 16, 2020 9:39 am
Re: Native Sega Mega Drive tracker (WIP) (89 replies, posted in Sega)
Tempo is just raw timer B values, 1 timer tick = 1 song pulse. There is up to 16 pulses per row.
From docs (is it correct?):
8 Bit Timer B lasts:
288 × (256 - Timer B ) microseconds
It is possible to convert it to bpm (need to take into account if even and odd row pulses may be different), but not a priority task right now.
35 Feb 11, 2020 11:03 am
Re: Native Sega Mega Drive tracker (WIP) (89 replies, posted in Sega)
0.9a landed for testing. I guess it's better to make 3 effects per row and 768 patterns instead of 2 and 1024 for the next one 
36 Feb 8, 2020 4:54 pm
Re: Native Sega Mega Drive tracker (WIP) (89 replies, posted in Sega)
Defeated the portamento effect (I hope).. Yay!
37 Feb 7, 2020 8:44 am
Re: Native Sega Mega Drive tracker (WIP) (89 replies, posted in Sega)
If there is not enough built-in SRAM (it's used as RAM), and it's not allowed to write it in 16-bit mode (both odd and even bytes), then rom will not work, or will display garbage data. Or crash 
38 Feb 5, 2020 9:45 pm
Re: Native Sega Mega Drive tracker (WIP) (89 replies, posted in Sega)
There are no pitch or volume effects yet (except instrument arp sequencer), these are the next things I need to focus on.
Also no DAC or CSM currently implemented.
Graphics may be slow to update with default SGDK text drawing. Need to be replaced with something faster, but for now it's fine.
39 Feb 5, 2020 3:23 pm
Topic: Native Sega Mega Drive tracker (WIP) (89 replies, posted in Sega)
Hi! I'm making a native tracker for MegaDrive/Genesis
DL/Source code: GitHub
Works on: BlastEm, PicoDrive (partially), Mega Everdrive Pro
40 Jan 2, 2015 11:43 am
Re: Chaos Tracker (Open Source) (336 replies, posted in Sega)
>>ProdigyTracker on cartridge
any everdrive sd card filesystem support? for pcm samples and fm presets loading (tfi?) mostly, maybe song saving (not necessary if sram is used)