ALPHA MODIFICATIONS

Super ST Project. Lets create a awesome new ST! Fix all the bugs and add more cool stuff!
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exxos
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Re: ALPHA MODIFICATIONS

Post by exxos » Tue Sep 25, 2018 10:59 pm

Icky wrote:
Tue Sep 25, 2018 10:55 pm
No - not crap. Its fixed the sound. We have sound.
:WTF: *overload* :crazy:
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

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Re: ALPHA MODIFICATIONS

Post by troed » Tue Sep 25, 2018 11:00 pm

Sound or key click?

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Re: ALPHA MODIFICATIONS

Post by Icky » Tue Sep 25, 2018 11:07 pm

troed wrote:
Tue Sep 25, 2018 11:00 pm
Sound or key click?
Sound - that phaser type sound :)

EDIT - it is quite quiet though have to turn the monitor sound up to max

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Re: ALPHA MODIFICATIONS

Post by exxos » Tue Sep 25, 2018 11:12 pm

Icky wrote:
Tue Sep 25, 2018 11:07 pm
EDIT - it is quite quiet though have to turn the monitor sound up to max
Its a new amp circuit, can tweak it at some point...
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

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Re: ALPHA MODIFICATIONS

Post by exxos » Tue Sep 25, 2018 11:12 pm

and... one final "oh crap" I found the ACIA issue....
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

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Re: ALPHA MODIFICATIONS

Post by Icky » Tue Sep 25, 2018 11:16 pm

exxos wrote:
Tue Sep 25, 2018 11:12 pm
and... one final "oh crap" I found the ACIA issue....
Go on then - one last fix for the night

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Re: ALPHA MODIFICATIONS

Post by exxos » Tue Sep 25, 2018 11:17 pm

Icky wrote:
Tue Sep 25, 2018 11:16 pm
exxos wrote:
Tue Sep 25, 2018 11:12 pm
and... one final "oh crap" I found the ACIA issue....
Go on then - one last fix for the night
This won't be so simple, I've wired the ACIAs to the wrong side of the data bus 8-)
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

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Re: ALPHA MODIFICATIONS

Post by Icky » Tue Sep 25, 2018 11:18 pm

exxos wrote:
Tue Sep 25, 2018 11:17 pm
This won't be so simple, I've wired the ACIAs to the wrong side of the data bus 8-)
Oh that is an "oh crap" moment.

I won't do that tonight.

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Re: ALPHA MODIFICATIONS

Post by exxos » Tue Sep 25, 2018 11:21 pm

ACIA DATABUS FIX


STEP 1

First up is to cut the ACIA data bus... 8 tracks to cut on the bottom of the PCB...

acitc.jpg
acitc.jpg (227.56 KiB) Viewed 605 times

STEP 2

8 wires to link as shown below..
br8.JPG
br8.JPG (394.02 KiB) Viewed 600 times
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

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Re: ALPHA MODIFICATIONS

Post by Icky » Wed Sep 26, 2018 12:14 am

exxos wrote:
Tue Sep 25, 2018 11:21 pm
ACIA DATABUS FIX
STEP 1

First up is to cut the ACIA data bus... 8 tracks to cut on the bottom of the PCB...

STEP 2

8 wires to link as shown below..
Photo of fix including the keyboard resistor pull-up fix

IMG_3106.png
IMG_3106.png (774.12 KiB) Viewed 592 times

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