September 21, 2019, 05:07:24 am

Recent posts

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21
Black Hardware / Re: NeXTStation raising except...
Last post by barcher174 - September 07, 2019, 09:44:03 pm
That seems very unlikely. Probably a board level problem here.
22
Black Hardware / Re: NeXTStation raising except...
Last post by m18e - September 07, 2019, 09:36:14 pm
I received a fresh v74 ROM from Rob @ Black Hole and, again, no dice; still the same errors on bootup. ¯\_(ツ)_/¯

I guess the next thing I can do is get some new RAM; maybe all my SIMMs are shot?
23
New Technology / Re: New ADB Soundbox replaceme...
Last post by barcher174 - September 06, 2019, 09:24:20 pm
The audio amps run independently of each other so they will both run together. You could easily add a switch for the speaker. The sound is running on the very common I2S protocol so it would be trivial to adapt to any number of off-the-self solutions. I chose the adafruit I2S audio amps because they are easy to source and <$10. I would be hard pressed to build my own solution for cheaper and it keeps this board easy to assemble (Everything is through hole).
24
Black Hardware / Re: DOOM II performance on 040...
Last post by nuss - September 06, 2019, 06:52:06 pm
Sidenote: The option for 400% was available in the code of Doom 1.2, but you had to add a menu-item with InterfaceBuilder (NeXTstep 3.0 or 3.3) and connect it to the action "scale4:" as found in Doom.app/English.lproj/DoomRef.nib/data.classes.

Have tried to re-construct it with OpenSteps InterfaceBuilder, but the resulting NIB crashes, therefore can not present screenshot of 400% Doom :(

Anyhow 400% view was kind of huge and slow (on my 25MHz slab), so I assume that id Software decided to removed the menu-item before releasing Doom 1.2 FAT simply for not being blamed for "poor performance" 8)

You cannot see attachments on this board.
25
New Technology / Re: New ADB Soundbox replaceme...
Last post by nextchef - September 06, 2019, 03:56:12 pm
Nice work Brian!  Combine this with some of the 3d-printed enclosures and we now are very close to a complete replacement for the soundbox.

If you have it configured with an attached mono speaker will it be disabled if you plug in external speakers?
26
New Technology / Re: New ADB Soundbox replaceme...
Last post by barcher174 - September 06, 2019, 05:34:44 am
All,

I'm very pleased to say I have a fully working board:

The standard board with no sound (Will pass the sound test and not lock up!)



The board with stereo output configured:



The board with mono output for a built-in speaker:


The width of the board is nearly identical to the original soundbox board, so it should easily fit in a 3d printed enclosure. To my ear it may sound better than the original, but I'm biased.
27
Black Hardware / Re: DOOM II performance on 040...
Last post by eagle - September 05, 2019, 07:52:59 pm
nuss beat me to it.

I am cleaning out Dropbox right now and I found an old Doom screenshot; my screenshot shows a menu option to zoom to 200%.
28
Black Hardware / Re: DOOM II performance on 040...
Last post by nuss - September 05, 2019, 06:09:03 pm
NeXTstep Doom.app (Doom I) had options to resize the window to 200% and 400%.
As far as I remember, increasing the window size reduced the performance noticeable.

I am not aware of any window resize or full screen option in DoomII.app.

DoomII runs better on a Turbo machine, or a Pyro Cube, but it is not really fast.
29
Black Hardware / DOOM II performance on 040?
Last post by elemenoh - September 05, 2019, 05:02:30 am
I recently installed DOOM II on my 040 Cube. It launches, but runs very slowly and the window is small and seems to not be resizable. Is this expected on an 040 with 16MB RAM? Is there anything I can do to speed it up? Is it possible to make it full-screen?

Thanks!
30
Black Hardware / Re: Can a MegaPixel 21" displa...
Last post by elemenoh - September 04, 2019, 05:03:15 pm
I think I understand, but isn't the cube already generating a sync on green signal?

Is there maybe a difference in the refresh rate the cube generates compared to what the 21" display runs at?
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