Search found 1342 matches

by MasterOfGizmo
Sun Jun 28, 2020 8:11 am
Forum: MiST
Topic: LM80C core
Replies: 11
Views: 517

Re: LM80C core

Currently the LM80C does not have any mass storage; the author loads basic programs as text files over serial communication from his PC (F5 is mapped as "SERIAL 1,38400" for this). Similarly, saving is done by LISTing the program over the serial. But he is working on SD card reading/writing with a ...
by MasterOfGizmo
Mon May 11, 2020 12:36 pm
Forum: MiST
Topic: NEW OR UPDATED ARCADE CORES
Replies: 820
Views: 212328

Re: NEW OR UPDATED ARCADE CORES

I am pretty sure it works for me. Just yesterday i setup a 1943 setting with the latest firmware and the latest core and the resulting image was upside down. So i adjusted this in the OSD and saved the config. Since then the video is displaying upside up as expected. What exactly does not work for y...
by MasterOfGizmo
Mon May 11, 2020 12:13 pm
Forum: MiST
Topic: MIST C64 core
Replies: 323
Views: 104290

Re: MIST C64 core

I just discovered the fpgasid project at http://fpgasid.de which claims to have a perfect fpga based SID replacement. Maybe it's possible to cooperate with them. They seem to be closed source only. But if we'll get a better SID core ourselves then this would allow for cheap competition to their proj...
by MasterOfGizmo
Mon May 11, 2020 10:34 am
Forum: MiST
Topic: NEW OR UPDATED ARCADE CORES
Replies: 820
Views: 212328

Re: NEW OR UPDATED ARCADE CORES

Like many other people in lockdown I need to entertain the kids. So I decided that it's time for some serious education and I told the kids about arcade cabinets. And of course it may be fun to build one with a portrait screen. So 1943 is pretty welcome. Also I think i'll add a simple feature to the...
by MasterOfGizmo
Wed May 06, 2020 12:35 pm
Forum: MiST
Topic: MIST C64 core
Replies: 323
Views: 104290

Re: MIST C64 core

Jotego could become famous with a good implementation of the SID as this could be used to replace broken SIDs as well.
by MasterOfGizmo
Sun May 03, 2020 2:36 pm
Forum: MiST
Topic: MIST C64 core
Replies: 323
Views: 104290

Re: MIST C64 core

This c64 core is really fun to use. Spent half of the morning showing the kids c64 demos on the TV. It took me a while to explain them the purpose of demos and why they don't just replay a video file for the same effects ...
by MasterOfGizmo
Sat Apr 25, 2020 5:20 pm
Forum: Demos - General
Topic: New Megademo
Replies: 5
Views: 1666

Re: New Megademo

Excellent news! Will this demo have some auto run feature? Being able to let a demo run on a convention or the like on it's own is a feature I miss on many demos.
by MasterOfGizmo
Sat Apr 25, 2020 5:17 pm
Forum: MiST
Topic: It's no more a MiSTery
Replies: 398
Views: 74175

Re: It's no more a MiSTery

Chris23235 wrote: The "/" and "*" keys worked in no game I tried so far.
The mistery core runs the genuine ikbd code. So I expect a key to always work the way it should or not at all. But I would not expect a key just not to work in certain games.

Do / and * work in other places for you?
by MasterOfGizmo
Fri Mar 27, 2020 9:29 pm
Forum: MiST
Topic: Mounting the MiST in an Atari 520ST
Replies: 13
Views: 2375

Re: Mounting the MiST in an Atari 520ST

Yes, the fix should fix all arduino based hid devices. These will then just work with any core.
by MasterOfGizmo
Sun Mar 22, 2020 6:47 am
Forum: MIDI Software and Hardware
Topic: Best version of Cubase for Atari Mega STE?
Replies: 5
Views: 978

Re: Best version of Cubase for Atari Mega STE?

Cubase2's dongle is sensitive to exact bus access patterns and won't work on a MegaSTE with CPU caches enabled.
by MasterOfGizmo
Wed Mar 18, 2020 2:42 pm
Forum: MiST
Topic: Mounting the MiST in an Atari 520ST
Replies: 13
Views: 2375

Re: Mounting the MiST in an Atari 520ST

Schematics are somewhere in the wiki. But you can just solder wires to the pads of the buttons at the boards bottom. If you are familiar with arduinos you also build a f12-button as a USB device as I've demoed in the other thread. Finally does the St keyboard adapter support the mouse and the joysti...
by MasterOfGizmo
Sat Mar 07, 2020 8:55 pm
Forum: Steem
Topic: Lemmings with 2 mice on windows 10 - Atari Steem Emulator?
Replies: 22
Views: 7220

Re: Lemmings with 2 mice on windows 10 - Atari Steem Emulator?

Wow. Another lesson learned ...
by MasterOfGizmo
Sat Mar 07, 2020 8:18 am
Forum: Steem
Topic: Lemmings with 2 mice on windows 10 - Atari Steem Emulator?
Replies: 22
Views: 7220

Re: Lemmings with 2 mice on windows 10 - Atari Steem Emulator?

I think there's confusion whether you can connect and use two mice to control the same pointer (which works out of the box) and using two mice to control different things which won't easily work since there is no API to allow an application to distinguish between the signals received from two mice
by MasterOfGizmo
Wed Mar 04, 2020 6:25 pm
Forum: MiST
Topic: Atari 2600 / VIC 20
Replies: 144
Views: 32237

Re: Atari 2600 / VIC 20

Uart tx is used for tape motor control? What kind of devices does that need? A real tape would control the motor by the buttons on the cassete drive. There is the motor signal on a real Vic. But is that really needed? I seem to remember that the motor signal was broken on my Vic and this wasn't much...
by MasterOfGizmo
Sat Feb 29, 2020 11:14 am
Forum: Hardware
Topic: Mega STE - no midi
Replies: 62
Views: 8624

Re: Mega STE - no midi

If you have more STs you can connect one with MIDI OUT to MIDI IN on the other one. Using a terminal program like Rufus you can then send data from one machine to the other. This will e.g. allow you to determine if the MIDI OUT is broken or MIDI IN or both. This will reduce the number of things that...
by MasterOfGizmo
Sun Feb 23, 2020 8:19 pm
Forum: MiST
Topic: Mounting the MiST in an Atari 520ST
Replies: 13
Views: 2375

Re: Mounting the MiST in an Atari 520ST

Some time ago I fixed some problems with the usual HID implementations used on the Arduino. This should allow you to implement an interface between the real atari keyboard and a arduino leonardo or the like and use that with the mist.

See http://atari-forum.com/viewtopic.php?f=115&t=37785
by MasterOfGizmo
Fri Jan 24, 2020 8:51 pm
Forum: MiST
Topic: Atari 2600 / VIC 20
Replies: 144
Views: 32237

Re: Atari 2600 / VIC 20

Anyone confirm paddles in the atari 9 pin port actually work? Just got a second hand one and it's not working with Super Breakout (fire button works), not sure the controller is faulty. The MIST does not support paddles on it's built in db9 ports. These would require some special analog inputs ther...
by MasterOfGizmo
Fri Jan 10, 2020 12:33 pm
Forum: MiST
Topic: Work on the Minimig core?
Replies: 400
Views: 73604

Re: Work on the Minimig core?

There are no zeros. This:

Code: Select all

	move.w  #$1234,d0
	move.b  d0,testword1+1 
makes $1234 show up on the bus.
by MasterOfGizmo
Fri Jan 10, 2020 12:20 pm
Forum: MiST
Topic: Work on the Minimig core?
Replies: 400
Views: 73604

Re: Work on the Minimig core?

In odd addresses data bus will be zero extended beyond operand size. I don't see that. These zeros must come from somewhere. They may just be the artefact of some "don't cares" which may not work reliably or they may be some remains of previous operations or leftovers from something else. Just beca...
by MasterOfGizmo
Fri Jan 10, 2020 7:01 am
Forum: MiST
Topic: Work on the Minimig core?
Replies: 400
Views: 73604

Re: Work on the Minimig core?

sonycman wrote: It provides byte mirroring for even addresses and zero expand high byte for the odd. Two birds with just one stone :)
Where does it provide the zero expand?
by MasterOfGizmo
Thu Jan 09, 2020 1:35 pm
Forum: MiST
Topic: Work on the Minimig core?
Replies: 400
Views: 73604

Re: Work on the Minimig core?

You're right about the byte size writes. There is the "Budgie" chip between the CPU and the chipset bus, hard to tell what it does. On the chipset bus, there are 8,16 and 32 bit wide chips, too. Ah ... i always thought the ec020 had a 24 bit address bus and a 16 bit data bus externally. But yes, it...
by MasterOfGizmo
Thu Jan 09, 2020 11:55 am
Forum: MiST
Topic: Work on the Minimig core?
Replies: 400
Views: 73604

Re: Work on the Minimig core?

I think the 68020/AGA chipset's 32 bit bus byte mirroring differs greatly from 68000/16bit bus. Look at MC68020 user's manual pages starting from 5-6. I don't think so. The 68020 supports bus sizing but this is imho not being used in the amiga nor in the atari st. Instead it's statically configured...
by MasterOfGizmo
Thu Jan 09, 2020 6:51 am
Forum: MiST
Topic: Work on the Minimig core?
Replies: 400
Views: 73604

Re: Work on the Minimig core?

MasterOfGizmo But... this is additional layer of logic, which could worsen the timings. ... Would that be better? Nope. That would only work in one of the two odd/even address cases where the upper byte has to show up on the lower bus halff. In the other case the lower byte has to show up on the up...
by MasterOfGizmo
Wed Jan 08, 2020 11:27 am
Forum: MiST
Topic: Work on the Minimig core?
Replies: 400
Views: 73604

Re: Work on the Minimig core?

I did not have much time. This pull request is supposed to fix this:
https://github.com/TobiFlex/TG68K.C/pull/6

I verified that the core still runs and a quick test showed that at least those games I usually test still work. Can you please check if this fixes the sound problems you encounter?
by MasterOfGizmo
Tue Jan 07, 2020 10:37 pm
Forum: MiST
Topic: Work on the Minimig core?
Replies: 400
Views: 73604

Re: Work on the Minimig core?

Hmm ... I was pretty sure that a) the Atari in some cases relies on byte mirroring and that b) it was working properly. But my memory may fool me ...

Anyway, I'll have a look at this asap ....

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