missing drums and sfx fixed?

[Rebel40]

Hello i have a request;

A few weeks ago i added an issue about missing drums and sfx in nemesis '90 in the latest official core, but drums and sfx keep playing in latest puu's core.

In the mean time i searched a lot and tried several things to fix it.

I finally found the issue in dma1ch.vhd after comparing it with puu's version.
At first i just replaced the code with puu's version.
That works, but when testing with castlevania, mt32 didn't work anymore.

I searched through the commits, but couldn't find the reason why the official build handles the dma slightly different than puu's version.
Maybe during implementation of mt32-pi support the code was changed?

I then found out that the adpcm is tied to drq3 and pcli3.
So what i finally did was only apply puu's code when dma channel 3 is active.

I just dived into fpga programming and i'm also fairly new on using github.
So i've attached the .vhd files and also X68000.sv (I've changed if (div_snd2 == 9) div_snd <= 0; into if (div_snd2 == 9) div_snd2 <= 0;

My request is, can the code be updated if the fix i proposed works correctly?

Best regards.
X68000.sv.txt
X68K_top.vhd.txt
dma1ch.vhd.txt
DMA63450.vhd.txt

[sorgelig]

Well, i can integrate your fix, but i can't test it because i almost don't use X68000. Everything in Japanese and it's hard for me to follow.

[Rebel40]

Hello sorgelig,

Couldn't it be an option to integrate and create an unofficial build and let the community test it? Because i also don't understand Japanese, but stumbled upon the issue because i'm a big msx fan and when i bought the mister fpga taki udon edition, i discoverd that nemesis '90 kai is a port of the msx game...

In the mean time i've begun investigating why some games hang when choosing mt32-pi. Hopefully i can find a solution.
I did found out that in the official build mt32-pi is tied to uart while puu's code ties the mt32-pi to em3802(ym3802?) I dont know the reason behind this, but atleast i can do some comparisons...

EDIT: i just made some changes and let the mt32-pi run trough em3802 instead of the user io port.
After very quick test, mt32-pi works also in nemesis'90 and daimakaimura (ghouls n ghosts) , but still crashes final fight.
Final fight sfx and drum sound do work when using internal sound.
Can i send you my quartus project? or zip it and attach it in a new comment? If the last are there files in quartus project i should remove for privacy reasons? I'm sorry this is somewhat cumbersome, but i suck at github ;-)

Either way, thank you very much for your reaction and willingness!

Best regards!!!

[sorgelig]

you can find unstable builds from current sources here: https://github.com/MiSTer-unstable-nightlies

[Rebel40]

you can find unstable builds from current sources here: https://github.com/MiSTer-unstable-nightlies

Thank you very much!!! The next time i will do my next commits/pull requests the way it should be done ;-)