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General Category => General Discussion - Introductions => Topic started by: megachur on 16:51, 30 September 18

Title: Introducing myself !
Post by: megachur on 16:51, 30 September 18
Hello all here !

Since a while, I've contributed a little to the amstrad demo community !
Firstly between 1989 and 1992 in the gold cpc era, then  since 2006 (my comeback to cpc) ;-) !

I've contributed to the mame cpc driver, then make some new demos...
I'm now always coding on z80... but also contributing to cpc-power with Kukulkan and many others... Demo section, ym player in javascript and ripping music in ym format, etc.After the hack of cpc-power, I've written an cpc emulator in javascript then ported to c++ because of the lack of sound quality and synchronization in navigators ! see all the story here (in french) : http://www.cpc-power.com/cpcarchives/index.php?page=articles&num=446 (http://www.cpc-power.com/cpcarchives/index.php?page=articles&num=446)
I will post the last version soon here...
Recently, I've contributed to FlashFloppy, increasing  Edsk compatibility with Keirf and made a little tool to check real FDC results on a real cpc for our master dumper dlfrsilver !

Now, I'm enjoy coding the CPC+ ASIC since the last summer end -> on youtube, search "asic shadow of the beast" for some samples of my coding !

;) Congratulations  ;) to all people here, especialy the direct contributors of cpc-wiki !!!

Amstrad CPC will live forever with you !
Title: Re: Introducing myself !
Post by: fgbrain on 17:38, 30 September 18
Welcome back!!!


Are you working on the full game of SOTB???
Videos look amazing!!


Thanks for awesome job :o
Title: Re: Introducing myself !
Post by: Maniac on 20:09, 30 September 18
Great stuff! Looks v nice and certainly much better than the Gremlin version as you would expect with the Plus extra features!
Title: Re: Introducing myself !
Post by: keith56 on 04:36, 01 October 18
Welcome to the forum!

It's great to have someone with so many impressive skills on the forum!

That Shadow of the beast demo was some incredible work, I can only begin to imagine how tricky it must have been to get the sprites to do so many clever effects!
Title: Re: Introducing myself !
Post by: LambdaMikel on 05:26, 01 October 18
Hi there from me too! Good to see you here  :)
Didn't have a chance to watch your videos yet, but will soon.

CheersMichael
Title: Re: Introducing myself !
Post by: mr_lou on 12:14, 01 October 18
Welcome!  :)
Title: Re: Introducing myself !
Post by: krusty_benediction on 14:07, 01 October 18
Hi !first time I see this emulator .I may test it tonight

Quote from: megachur on 16:51, 30 September 18Hello all here !

Since a while, I've contributed a little to the amstrad demo community !
Firstly between 1989 and 1992 in the gold cpc era, then  since 2006 (my comeback to cpc) ;-) !

I've contributed to the mame cpc driver, then make some new demos...
I'm now always coding on z80... but also contributing to cpc-power with Kukulkan and many others... Demo section, ym player in javascript and ripping music in ym format, etc.After the hack of cpc-power, I've written an cpc emulator in javascript then ported to c++ because of the lack of sound quality and synchronization in navigators ! see all the story here (in french) : http://www.cpc-power.com/cpcarchives/index.php?page=articles&num=446 (http://www.cpc-power.com/cpcarchives/index.php?page=articles&num=446)
I will post the last version soon here...
Recently, I've contributed to FlashFloppy, increasing  Edsk compatibility with Keirf and made a little tool to check real FDC results on a real cpc for our master dumper dlfrsilver !

Now, I'm enjoy coding the CPC+ ASIC since the last summer end -> on youtube, search "asic shadow of the beast" for some samples of my coding !

;) Congratulations  ;) to all people here, especialy the direct contributors of cpc-wiki !!!

Amstrad CPC will live forever with you !
Title: Re: Introducing myself !
Post by: megachur on 19:36, 01 October 18
Quote from: krusty_benediction on 14:07, 01 October 18
Hi !first time I see this emulator .I may test it tonight
I've posted the last version in the "Emulators" topic. The version on cpc-power/archives is the previous one.
I hope you will enjoy it !
Title: Re: Introducing myself !
Post by: Targhan on 22:28, 01 October 18
QuoteI've posted the last version in the "Emulators" topic. The version on cpc-power/archives is the previous one.
Hmmm sorry, but where is this? I can't find it... In the Download/emulators section, I can only find "cpcemu" for linux.
Title: Re: Introducing myself !
Post by: megachur on 04:38, 02 October 18
@Targhan (http://www.cpcwiki.eu/forum/index.php?action=profile;u=110)  : It's here
Title: Re: Introducing myself !
Post by: arnoldemu on 13:22, 02 October 18

Welcome!


Some notes from my tests looking at the low-level functionality of the data separator and the fdc.
I made a special HxC disc image and tested the low-level data structure and saw what happened.


http://www.cpcwiki.eu/index.php/NEC_D765AC-2

Title: Re: Introducing myself !
Post by: megachur on 20:00, 02 October 18
Quote from: arnoldemu on 13:22, 02 October 18
Welcome!


Some notes from my tests looking at the low-level functionality of the data separator and the fdc.
I made a special HxC disc image and tested the low-level data structure and saw what happened.


http://www.cpcwiki.eu/index.php/NEC_D765AC-2 (http://www.cpcwiki.eu/index.php/NEC_D765AC-2)
Thanks !

I will regard this but a test program is better ;-) to check it and compare with real hardware !
Have you noticed also this :

when you "Read from data register and RQM&MSR is true"

during phase 0 and 1 : cpu->DATABUS=ST3;
and if RQM&MSR is false : cpu->DATABUS=0x00?

when you "Write into data register and RQM&MSR is true"

if(!(msr&CB)) {// FDC is busy don't accept new command !
} else {
     if(msr&EXM) { // DMA-Mode
          if(msr&RQM) {
               msr&=~RQM;
          }
    } else {
         if(msr&RQM) {// don't work with amazing demo - copy part !
               if(phase==0x03) {
                   if(ST1&ST1_OR) {// Over Run detected ?
                         set_idle(); // needed for musical loader of 5KB 3 (UK) (128K) (1999) (CPM) [Original] [DEMO]
                    }
              }
        }
   }
}


it's only see in the 5kb3 musical loader option 2 & 3 !!!
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