Search found 13 matches

by MickGyver
Fri May 14, 2021 1:46 pm
Forum: Official Addon Boards
Topic: 128MB SDRAM v2.9
Replies: 50
Views: 26850

Re: 128MB SDRAM v2.9

I'd be interested in answers from someone knowledgable in electronics to MickGyvers questions as well. My electronics knowledge is not very deep ;-) From what I see, there are two new ones in the top row which used to be 10uF, 0.1uF - 10uF, 0.1uF for the 2.5 module. Given that my understanding is that they are bypass capacitors, I'd guess that thi...
by MickGyver
Thu Apr 22, 2021 7:30 am
Forum: Official Addon Boards
Topic: 128MB SDRAM v2.9
Replies: 50
Views: 26850

Re: 128MB SDRAM v2.9

Thanks for the new version, I have to build a few for my MiSTers!

What is the correct layer stackup of the PCB for controlled impedance? JLCPCB supports two stackups, JLC7628 with 0.2mm prepreg and JLC2313 with 0.1mm prepreg, which one to use?

Also what capacitor configuration is recommended for this version?
by MickGyver
Sat Aug 22, 2020 4:24 pm
Forum: PC 486SX (ao486)
Topic: Joystick throttle?
Replies: 14
Views: 6435

Re: Joystick throttle?

I am indeed working on a gameport to USB adapter. I'm currently implementing the Microsoft Sidewinder range. Since you have implemented GrIp support in the core, could you consider implementing the Sidewinder Precision Pro or 3D Pro? They use a similar principle, button1=clock and button2=data. The Sidewinder range need a trigger to send a data pa...
by MickGyver
Sat Aug 22, 2020 3:53 pm
Forum: PC 486SX (ao486)
Topic: Joystick throttle?
Replies: 14
Views: 6435

Re: Joystick throttle?

After looking it over, it seems most joysticks do have the timer on board. The lack of an 8th wire though will prevent it from ever being an ideal solution, missing one axis or button. IMHO the best route to an ideal scenario is to get a good gameport to usb converter (I believe McGyver is designing one) and work towards adding a second analog sti...
by MickGyver
Mon Aug 17, 2020 7:40 am
Forum: Atari ST / STe
Topic: [GUIDE] Direct MIDI IO for ST and Amiga Cores
Replies: 73
Views: 66769

Re: [GUIDE] Direct MIDI IO for ST and Amiga Cores

It worked with direct pin to gpio on mt32-pi with atari st core Could you share also ao486 source with support MIDI via the USER IO port to test? Thanks! Thanks to the correct MIDI baudrate now also for the ao486, I made a test version with IO MIDI for the ao486 core. The sources can be found here: https://github.com/MickGyver/ao486_MiSTer A compi...
by MickGyver
Sun Aug 09, 2020 7:58 am
Forum: Linux
Topic: MiSTer MidiLink
Replies: 90
Views: 76256

Re: MiSTer MidiLink

RPi4 sounds pretty good! I think RPi3 can maybe do OK as well. My RPi3 I was testing with gets that little lightning bolt symbol indicating insufficient power even though I use adapters with 3amp. Maybe it is defective :( Keep in Mind, that ANY RPi solution is going to need some sort of external DAC unless you use HDMI for sound unless you want it...
by MickGyver
Sat Jul 18, 2020 6:43 am
Forum: Display Devices
Topic: VGA Scaler (240p) for CRT
Replies: 3
Views: 3582

Re: VGA Scaler (240p) for CRT

akeley wrote: Fri Jul 17, 2020 4:39 pm You mean using the scaler for VGA cores?
In my case I want to use ScummVM on my 15KHz CRT. I managed to get a non-cropped image with these parameters (352x240px):

video_mode=352,26,34,73,240,4,3,15,7383

It's offset slightly to the right but otherwise it works great.
by MickGyver
Fri Jul 17, 2020 12:07 pm
Forum: Display Devices
Topic: VGA Scaler (240p) for CRT
Replies: 3
Views: 3582

VGA Scaler (240p) for CRT

Hi! I'm trying to get a good image on my CRT using the vga scaler at 320x240p resolution. I'm currently using these settings: video_mode=320,8,32,24,240,4,3,16,6048 The image is centered both horisontally and vertically on my CRT but the image is cropped on both the left and right sides. Could a kind soul explain what I would need to change in the ...
by MickGyver
Wed Jul 15, 2020 7:41 pm
Forum: Other Computer / System Cores
Topic: SCUMMVM
Replies: 276
Views: 114120

Re: SCUMMVM

bbond007 wrote: Wed Jul 15, 2020 5:42 pm /media/fat/ScummVM/.config/scummvm/scummvm.ini

Code: Select all

[scummvm]
filtering=false
gfx_mode=1x
Thank you very much! I have it working now. :) Just need to find a good resolution for my TV, 320x240 is clipped on the sides by overscan, 384x224 is not clipping but doesn't fill the screen entirely.
by MickGyver
Wed Jul 15, 2020 3:37 pm
Forum: Other Computer / System Cores
Topic: SCUMMVM
Replies: 276
Views: 114120

Re: SCUMMVM

bbond007 wrote: Wed Jul 15, 2020 3:14 pm
Yes, you must use vga_scaler=1.

The IO board VGA out will work, but I'm not sure about direct video...
Thanks, where is the scummvm.ini stored? I don't have another monitor to test with where I am, so I can't set the settings needed in scummvm for it to work.
by MickGyver
Wed Jul 15, 2020 1:34 pm
Forum: Other Computer / System Cores
Topic: SCUMMVM
Replies: 276
Views: 114120

Re: SCUMMVM

Copy ScummVM_2_2_0.sh to ScummVM_2_2_0_320x200.sh Edit ScummVM_2_2_0_320x200.sh echo "Setting Video mode..." vmode -r 320 200 rgb16 You can run in 320x200 mode if you must first boot into 640x480 mode and make changes: Graphics Mode : Normal (no scaling) Render Mode : default [ ] aspect ratio correction [ ] Fullscreen Mode [ ] Filter Gra...
by MickGyver
Mon Jun 22, 2020 10:55 am
Forum: Input Devices
Topic: Original controllers - SNAC vs. USB?
Replies: 34
Views: 22269

Re: Original controllers - SNAC vs. USB?

Crystal wrote: Thu May 28, 2020 12:53 pm the big advantage, at least for me, is that with the daemonbite adapter, it not only works with mister but also pc[and probably your phone too] as it just turns it inot an xinput device
Small correction, the daemonbite adapters are DirectInput (DInput) devices.
by MickGyver
Mon Jun 01, 2020 9:50 am
Forum: Display Devices
Topic: Add on board for Analog CRT centering and protection?
Replies: 20
Views: 12375

Re: Add on board for Analog CRT centering and protection?

retrorepair wrote: Wed May 27, 2020 10:52 pm The h shift in the cps core works very well, I'd be happy to port it to other cores.
Please do, that would be fantastic! :)