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Old 20 November 2018, 14:59   #21
john4p
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Okay, then this Chuwi-tablet really seems to be the best option right now for portable 50Hz Amiga gaming. And it only costs 75 Euros: https://www.gearbest.com/tablet-pcs/...ml?wid=1433363
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Old 20 November 2018, 15:42   #22
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Note that there is both Chuwi Hi8 and Chuwi Hi8 Pro. Although Pro users also "complain" about the 50hz screen, I can't guarantee it. The Pro has USB-C instead of Micro USB, HDMI out and a somewhat more powerful GPU.
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Old 20 November 2018, 15:47   #23
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Yes, they do complain indeed:

Quote:
Originally Posted by Hi8 Pro Amazon customer review
...panel, while surprisingly crisp and bright at this price point, is only 50hz.
Oh no, only 50Hz. What a pity.

Guess I'll look for the pro version. edit: Here (only 83 Euros).
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Old 20 November 2018, 15:55   #24
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No, I have non-Pro version and there is also a 60hz bios for it. I think that latest bios available is 50hz, while the one version earlier is 60hz. For both Windows and Android. I was able to flash the 60hz bios to the Windows part, while for Android I installed the 50hz one. I'm not sure about the Pro.
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Old 20 November 2018, 17:03   #25
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Ah okay, good to know. There's also the Chuwi Vi8 Plus - its display has only a resolution of 1280x800 but that's actually better than 1920x1200 for Amiga emulation in my opinion (because 256 tripled is 768 whereas 256 doesn't fit well into 1200).
And it seems to run only at 50Hz.

The Vi8's screen also has faster response time than the Hi8's.

But besides the display the specs are identical to the Hi8 Pro - guess that's the ideal pocket WinUAE tablet: https://de.gearbest.com/tablet-pcs/pp_268587.html

edit: Only downside is it's sold out everywhere...

Last edited by john4p; 21 November 2018 at 13:23.
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Old 29 November 2018, 19:42   #26
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Got an almost unused Vi8 Plus for 80 Euros on eBay and it works as I hoped.
Games with a resolution of 320x200 scale perfectly to 1280x800 and fill the whole screen:



And it's also great for games that use the full PAL resolution of 320x256 or slight overscan - when you triple the resolution. Here's Pinball Dreams which has a resolution of 320x262 which triples to 960x786:



Added Scanlines75Dx4 for both games.
PS4-pad works without noticable delay via bluetooth.

Portable WinUAE at 50Hz for only 80 Euros. I can fully recommend this tablet.
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Old 30 November 2018, 16:09   #27
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How do you control the games?
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Old 30 November 2018, 19:23   #28
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With a Dualshock 4-controller via bluetooth. I have two of them - one is always wired to my desktop PC so I always have a fully charged one...

Sadly just found out the screen runs at 60Hz after all (at least in Windows). Maybe there's a custom firmware to make it 50Hz (CRU.exe didn't work). Gonna have a look in the forum that endre linked to.
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Old 30 November 2018, 20:52   #29
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That's too bad. My Chuwi Hi8 came with a 60hz bios installed. Eventually, I was able to flash the 50hz bios to it. It's not a hack, it is one of the officially prodived bios updates. You should try all bios revisions available for this device. If you had the Hi8 one, I could probably provide you with the right bios files, but those would brick you Vi8 Plus.

https://forum.chuwi.com/thread-1175-1-1.html

Last edited by endre1952; 30 November 2018 at 21:16.
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Old 30 November 2018, 21:19   #30
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Thank you - I'll give it a try!
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Old 30 November 2018, 23:39   #31
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It says I need this to update the BIOS:

Quote:
- A USB flash drive
- A USB Hub
- A USB keyboard
- Chuwi bios files for your device
Since it only has a USB-C connector I need to get an adapter before I can attach a USB Hub.

Or is there another way to update the BIOS?
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Old 30 November 2018, 23:45   #32
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I think you do need those...
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Old 01 December 2018, 01:45   #33
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Okay, thanks. Until I have the adapter I'll give Pinball Dreams NTSC a try which recently was uploaded to "The Zone".
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Old 20 December 2018, 17:51   #34
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I just updated UAE4All2 for Vita/Switch again, to version 1.81.

Download: https://github.com/rsn8887/uae4all2/releases/latest

Changes in this Version
======
1.81

- allow higher CPU speed hack (for Alien Breed 3D)
- allow optional custom kickstart named kickcustom.rom (for 3.1.4 etc.)
- buttons can now be mapped to quickload/quicksave for fast savestates
- a button can be mapped to "fast mouse", hold it down to speed up mouse
- "slow mouse" or "fast mouse" buttons now also affect touch and real mice
- populate custom controls with sensible defaults instead of all blank
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Old 20 December 2018, 18:05   #35
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Quote:
Originally Posted by rsn8887 View Post
I just updated UAE4All2 for Vita/Switch again, to version 1.81.

Download: https://github.com/rsn8887/uae4all2/releases/latest

Changes in this Version
======
1.81

- allow higher CPU speed hack (for Alien Breed 3D)
- allow optional custom kickstart named kickcustom.rom (for 3.1.4 etc.)
- buttons can now be mapped to quickload/quicksave for fast savestates
- a button can be mapped to "fast mouse", hold it down to speed up mouse
- "slow mouse" or "fast mouse" buttons now also affect touch and real mice
- populate custom controls with sensible defaults instead of all blank



Are 1MB roms working correctly? UAE4ALL2 boots ok once, then on reset it locks up. You have to restart emulator.
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Old 20 December 2018, 22:07   #36
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No you probably have incompatible kick roms. You have to find specific roms that are working (kick12.rom, kick13.rom, kick20.rom, kick31.rom). The version 1 kicks are 256 kb, the version 2 and 3 kicks are 512 kb. Some work, some don't.

I will post the hashes...

EDIT: PM sent.

Here are the MD5 hashes of verified working kick roms, test them here http://onlinemd5.com/ :
kick12.rom (256 kB): 85AD74194E87C08904327DE1A9443B7A
kick13.rom (256 kB): 82A21C1890CAE844B3DF741F2762D48D
kick20.rom (512 kB): FA4ACC75B49E880679FE02716AF24D71
kick31.rom (512 kB): 646773759326FBAC3B2311FD8C8793EE
Others might work, too.

Last edited by rsn8887; 20 December 2018 at 22:28.
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Old 21 December 2018, 22:59   #37
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Amiga Forever roms work, too, but they are encrypted. Copy the .key file together with the roms, and then they will work.
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Old 02 January 2019, 13:26   #38
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Didn't mean to derail this thread earlier, was just looking for a perfect 50Hz portable solution.

Looks like you did an amazing job with the Switch port (found this foto on gbatemp):



The sharp bilinear shader seems to work really well in filling the 720p-screen (which isn't well suited for integer scaling of 320x200 or 320x256) while keeping the picture genuine looking.

Still hoping for a Switch+ or something - ideally with a 1080p50-screen...


@endre: Seems like I'm stuck at 60Hz on my Vi8 Plus. But it's a blast to play NTSC Pinball Dreams, Fantasies, Diablo II and Heroes of Might & Magic III with a bluetooth mouse on it.
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Old 02 January 2019, 18:49   #39
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I'm sorry to hear that. I told you that I wasn't sure about other Chuwi tablets, only the non-Pro Hi8, which does work at 50hz (60hz firmware also exits for it). One complaint about the Hi8 is the poor quality mono sound (when using the internal speaker). I have an IPega bluetooth gamepad that is large enough to work with the tablet properly.
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Old 02 January 2019, 20:54   #40
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I had a leagoo elite 1 android phone that did only 50hz (I think 51.0). Vice C64 and Uae4arm run butter smooth there but I broke the phone lol. Of course it was a phone so screen was about 5" only and full HD 1920*1080. It was really good for PAL gaming but sucked at NTSC.
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