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by Sorgelig
Mon Jul 23, 2018 1:06 pm
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

It's possible the bug is in FDC code currently developing by Szombathelyi György.
He is aware of this problem. And if it will be possible, then it will be fixed. Same goes to protection support.
by Sorgelig
Mon Jul 23, 2018 10:46 am
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

cat'art are no protection just design (special code in catalog sector) none protection in cat'art http://cpc.sylvestre.org/technique/technique_catart1.html Ok. You are more professional than me. Project is open sourced, so you can provide the fix. P.S.: Explain then how for example DemoIzArt cat do...
by Sorgelig
Mon Jul 23, 2018 8:37 am
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

for 1001 BC, the cat as no protection scheme just bug i think as it's just a cat'art as c64 does It's exactly protection. cat is not a simple printing. Many disks exploit the cat to hijack the execution to its own code - that's why you may see complete different reaction than just catalog printing....
by Sorgelig
Mon Jul 23, 2018 7:44 am
Forum: MiSTer
Topic: C64 Core
Replies: 33
Views: 4143

Re: C64 Core

I own a TC64, which is an amazing product, but it's last FW, which is still a beta, is dated to December 22nd of 2016, so I feel a bit abandoned... This is destiny of all such closed source platforms. Minimig would die like this but it was open source and re-born as MiST with many improvements. MiS...
by Sorgelig
Mon Jul 23, 2018 2:17 am
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

breiztiger wrote:i have test with another monitor with same hdmi cable and i have sound but not on my Samsung ;-(

There is always chance to use either analog audio or TOSLink if your TV is picky.
by Sorgelig
Mon Jul 23, 2018 2:15 am
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

breiztiger wrote:for dtc, it detect crtc 3 asic Inside ?!?

i've started dtc many times - always detected as CRTC1. Never saw CRTC3.
by Sorgelig
Mon Jul 23, 2018 2:12 am
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

breiztiger wrote:1001 BC a mediterranean odyssey (http://www.cpc-power.com/index.php?page ... ps&num=180)

when you type CAT the cat'art is not display correctly

Support for disks with protections is in very early stage - don't expect much. Use patched/modified version without protection.
by Sorgelig
Mon Jul 23, 2018 2:00 am
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

imperail mahjong (http://www.cpc-power.com/index.php?page=detail&onglet=dumps&num=13359) special screen mode not correctly rendered i have test with another monitor with same hdmi cable and i have sound but not on my Samsung ;-( If you can explain how they make this special mode, then i wil...
by Sorgelig
Sun Jul 22, 2018 12:12 pm
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

Scroll Factory and The Demo are fixed in new release.

Check other issues with new release - may be some of them are fixed
by Sorgelig
Sun Jul 22, 2018 11:47 am
Forum: MiSTer
Topic: MiSTer updates and changelog
Replies: 146
Views: 32365

Re: MiSTer updates and changelog

Amstrad: - u765: improve the timings. - Reworked gate array code to improve the timings and fix the bugs. - Merge clocks into single one for better stability. - Fix and Improve the CRTC. - CPU: many fixes and tweaks. Now ZEXALL test is fully passed. Instructions timings looks like correct as well. ...
by Sorgelig
Sat Jul 21, 2018 7:09 pm
Forum: MiSTer
Topic: Real floppy drives with MiSTer?
Replies: 16
Views: 537

Re: Real floppy drives with MiSTer?

Sound of floppy can be generated through standard audio path. So, no new devices are required.
So, it's up to core.
by Sorgelig
Fri Jul 20, 2018 5:24 am
Forum: MiSTer
Topic: Real floppy drives with MiSTer?
Replies: 16
Views: 537

Re: Real floppy drives with MiSTer?

FDD sound is another feature. It can be implemented like in some emulators :) Thought it's not the feature i would like to spend my time.
As for scanlines - it has a second reason - it smooths the edges.
by Sorgelig
Thu Jul 19, 2018 1:29 pm
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

I mean multimedia keys on keyboard connected to MiSTer. Not the Monitor/TV volume keys.
by Sorgelig
Thu Jul 19, 2018 9:46 am
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

DTC demo detects CRTC1. Probably it's already fixed.
by Sorgelig
Thu Jul 19, 2018 9:33 am
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

Try to decrease the sound volume one step lower by multimedia keys.
by Sorgelig
Thu Jul 19, 2018 2:05 am
Forum: MiSTer
Topic: Real floppy drives with MiSTer?
Replies: 16
Views: 537

Re: Real floppy drives with MiSTer?

I have no good nostalgia feeling about floppy drives. Even in later 90x i've installed HDD to my BK0011M and almost stopped to use these always tend to corrupt the data crappy floppies.
by Sorgelig
Thu Jul 19, 2018 1:05 am
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

I fixed Turrican video.
Are there other games i need to look before new release?
by Sorgelig
Thu Jul 19, 2018 1:02 am
Forum: MiSTer
Topic: Real floppy drives with MiSTer?
Replies: 16
Views: 537

Re: Real floppy drives with MiSTer?

No problem.
But it's completely out of my interest.
by Sorgelig
Wed Jul 18, 2018 3:33 pm
Forum: MiSTer
Topic: Real floppy drives with MiSTer?
Replies: 16
Views: 537

Re: Real floppy drives with MiSTer?

This is almost impossible. Just how many different formats already exist. Then there are Drives, like Commodore, which are already a stand-alone computer, while others are simply connected to a floppy controller and the operating system has to take care of everything. Fully agree! Core specific rea...
by Sorgelig
Wed Jul 18, 2018 12:30 am
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

Thanks for report.
I will check
by Sorgelig
Tue Jul 17, 2018 10:23 am
Forum: MiSTer
Topic: MiSTer updates and changelog
Replies: 146
Views: 32365

Re: MiSTer updates and changelog

Amstrad:
- All new CRTC module with better performance and less glitches.
- Improved FDC controller.
- Some fixes and improvements in CPU.
by Sorgelig
Tue Jul 17, 2018 6:21 am
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

Thank you!
by Sorgelig
Mon Jul 16, 2018 8:47 pm
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

breiztiger wrote:hi

i have test plustest on my cpc 6128 stock

here are the Screenshot

https://mega.nz/fm/SiJynY4B

as you can see on last Screenshot the cpc freeze on ed codes (test two time)

It seems the link is wrong. It transfers me to my own mega account.
by Sorgelig
Mon Jul 16, 2018 6:19 am
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

According to my exploration Backtro uses dynamic h_displayed to reprogram CRTC in the specific time. Most time it's 48 chars, but at the end if char raw it's 189 chars. So, I've caught original idea - need polish it. Those well known places as cpcwiki are already explored. They are detailed, unfortu...
by Sorgelig
Sun Jul 15, 2018 7:12 pm
Forum: MiSTer
Topic: Amstrad CPC Core
Replies: 48
Views: 1388

Re: Amstrad CPC Core

I also need someone who inderstand how CPC works in detailed level. Like someone from demo scene. For example there is a demo Backtro - i would like to know how they draw the screen. Original CRTC from Amstrad core has flaws, but this demo works OK. I've ported 6845 from BBC core which basically wor...

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