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BLITTER RE-CREATION THOUGHTS

Last post by exxos « Sat Jul 20, 2019 11:40 pm
Replies: 177
by exxos » Tue Aug 22, 2017 10:37 pm
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blitterSM.jpg

Many should know the great work over at in recovering some lost Atari files. I saw in there 2 versions of the blitter IC. 1986 and...
177 Replies

19573 Views

Last post by exxos
Sat Jul 20, 2019 11:40 pm
cosmosex shared drive not working

Last post by redhawk668 « Mon Jul 01, 2019 2:26 pm
Replies: 5
by exxos » Mon Jul 01, 2019 10:43 am

I had this all setup last year, but connecting it back up... nope..

The shared drive is on my PC, and //CHRIS//SHAREFOLDER does bring up the folder...

5 Replies

309 Views

Last post by redhawk668
Mon Jul 01, 2019 2:26 pm
Reading & write to RTC 12887 ?

Last post by exxos « Fri Jun 28, 2019 9:25 pm
Replies: 51
by exxos » Fri Jun 21, 2019 4:13 pm
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Been sat puzzling over how this chip is actually supposed to work. I have MOT timing selected, but firstly confused over DS. It looks like its just...
51 Replies

1421 Views

Last post by exxos
Fri Jun 28, 2019 9:25 pm
STe Boosters

Last post by DyLucke « Thu Jun 27, 2019 4:21 pm
Replies: 4
by DyLucke » Thu Jun 27, 2019 3:55 pm

Hi all.

I've been thinking about getting one STe 32mhz booster from Exxos, and i've finally made my mind, however i can't find them anywhere.
Is...

4 Replies

157 Views

Last post by DyLucke
Thu Jun 27, 2019 4:21 pm
Cartridge Port: Would a buffer board help with problems?

Last post by exxos « Sat Jun 22, 2019 2:21 pm
Replies: 18
by stephen_usher » Sun Jun 16, 2019 8:10 am
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The problems I had yesterday with the STE cartridge port (and previous problems on the TT) I was wondering if a solution to this would be a unit...
18 Replies

523 Views

Last post by exxos
Sat Jun 22, 2019 2:21 pm
Falcon 3 in 1 adaptor

Last post by exxos « Fri Jun 21, 2019 10:41 am
Replies: 6
by emcclariion » Thu Jun 20, 2019 9:09 am

Chaps,

I am having issues with my adaptor, it works its standard mode, but when i run the blowup config it cannot find something like scan doubler....

6 Replies

213 Views

Last post by exxos
Fri Jun 21, 2019 10:41 am
16BIT ROM CART THOUGHTS

Last post by PhilC « Wed Jun 19, 2019 9:32 pm
Replies: 139
by exxos » Mon Aug 28, 2017 6:46 pm
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I have been thinking about the diagnostic cart where larger ROM's are used with a switch to select which version of the ROM to run (IE, ST, STE, MSTE...
139 Replies

14887 Views

Last post by PhilC
Wed Jun 19, 2019 9:32 pm
Fixing 32 chip Atari RAM problems

Last post by PhilC « Mon Jun 17, 2019 7:29 pm
Replies: 3
by PhilC » Mon Jun 17, 2019 5:40 pm

Hi All,

I wanted to document a few things whilst diagnosing and repairing a C070789-001 REV.D1 board

This board would not boot but would show the...

3 Replies

175 Views

Last post by PhilC
Mon Jun 17, 2019 7:29 pm
Falcon PSU Fuse value/size

Last post by Dlfrsilver « Wed Jun 12, 2019 7:03 am
Replies: 2
by Dlfrsilver » Wed Jun 05, 2019 11:51 am

Hello,

Anybody could help me about the fuse value used on the Falcon 030 PSU ? the one on mine has a sort of whitish aspect inside, i would like by...

2 Replies

266 Views

Last post by Dlfrsilver
Wed Jun 12, 2019 7:03 am
Si5351A clock generator - any good for a booster?

Last post by project23 « Mon Jun 03, 2019 9:40 pm
Replies: 2
by tzok » Mon Jun 03, 2019 8:48 pm

I have recently found a very interesting chip called Si5351A. It is a 3 channel clock generator (8kHz - 160MHz). All 3 clocks can be phase locked....

2 Replies

194 Views

Last post by project23
Mon Jun 03, 2019 9:40 pm
Dual tos adapter - ube switch

Last post by exxos « Sun Jun 02, 2019 11:06 pm
Replies: 12
by DoG » Mon Apr 08, 2019 10:59 pm
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I have the dual tos switcher and would like to use the reset switch to change tos. What do I need to populate on the board to get this working? I...
12 Replies

630 Views

Last post by exxos
Sun Jun 02, 2019 11:06 pm
Nova eGPU

Last post by alienkidmj12 « Mon May 27, 2019 1:33 pm
Replies: 3
by Atarian Computing » Sun Mar 17, 2019 1:39 pm

So eGPU is just another name to a phenomenon pioneered by Atarians decades ago in the form of Nova. I always thought it was cumbersome without a...

3 Replies

515 Views

Last post by alienkidmj12
Mon May 27, 2019 1:33 pm
CPU Strangeness

Last post by rubber_jonnie « Thu May 23, 2019 10:47 pm
Replies: 27
by rubber_jonnie » Sat Apr 27, 2019 4:58 pm
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I currently have 2 'dev' boards that I use for various test and beta hardware projects, The came to me as bare boards, so I wasn't so worried about...
27 Replies

1267 Views

Last post by rubber_jonnie
Thu May 23, 2019 10:47 pm
ube finds work for idle hands, or a new take on a Falcon connector.

Last post by mikro « Wed May 22, 2019 6:57 am
Replies: 6
by ube » Mon May 20, 2019 9:20 pm

While waiting for my CosmosEx’s 3.0 to arrive I designed a HD50 (Falcon external SCSI) to IDC 50 pin (internal SCSI-II) connector. Now I just need a...

6 Replies

377 Views

Last post by mikro
Wed May 22, 2019 6:57 am
Help with Unknown overscan Mod please

Last post by PhilC « Sat May 18, 2019 6:07 pm
Replies: 3
by PhilC » Fri May 17, 2019 9:18 pm

Hi all,

Can anyone help me identify this overscan mod and maybe point me in the right direction to any needed software etc.

When switched on it...

3 Replies

249 Views

Last post by PhilC
Sat May 18, 2019 6:07 pm
CHIP from atari ST

Last post by nemox « Wed May 15, 2019 8:51 pm
Replies: 7
by nemox » Wed May 15, 2019 8:02 pm

I have one chip from atari st maybe MEGA ST-
s9012AB
the case of the chip is like an MMU.
Please, what is this chip?
thanks

7 Replies

340 Views

Last post by nemox
Wed May 15, 2019 8:51 pm
MEGA ST upgrading TOS

Last post by exxos « Wed May 15, 2019 10:28 am
Replies: 3
by JezC » Tue May 14, 2019 11:04 pm

I've just opened up my Mega ST4 to see what my options were to upgrade the TOS version (currently 1.02)...mine currently has the two TOS ROMs fitted...

3 Replies

258 Views

Last post by exxos
Wed May 15, 2019 10:28 am
Falcon030 Users Experiences

Last post by oguzog « Fri May 03, 2019 2:00 pm
Replies: 5
by oguzog » Fri Apr 26, 2019 1:11 pm

hello Dear forumers,

Atari lovers,

I've FINALLY bought an ATARI Falcon030 (stock plain device)

It is not arrived yet. But it boots up just fine....

5 Replies

403 Views

Last post by oguzog
Fri May 03, 2019 2:00 pm
Janus Atari ST Emulator

Last post by DrF « Thu May 02, 2019 1:44 pm
Replies: 2
by keli » Thu May 02, 2019 11:01 am

I was reminded of the Janus ISA card that contained a 68000, some RAM, and an MFP on a 16 bit ISA card. The card made it possible to run TOS using a...

2 Replies

251 Views

Last post by DrF
Thu May 02, 2019 1:44 pm
PSU connector ?

Last post by exxos « Sat Apr 20, 2019 6:49 pm
Replies: 5
by exxos » Sat Apr 20, 2019 2:49 pm

Has anyone ever come across the stf/e connector for the PSU ? They are very similar to normal off the shelf connector, but they are not a good fit....

5 Replies

294 Views

Last post by exxos
Sat Apr 20, 2019 6:49 pm
Sidequest: VGA scan doubler

Last post by exxos « Mon Apr 08, 2019 2:17 pm
Replies: 20
by Smonson » Sun Apr 07, 2019 12:46 pm
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Hello, me again!

So, I like to have several projects going at once, as you have probably guessed from my short attention span.

I wanted to get...
20 Replies

954 Views

Last post by exxos
Mon Apr 08, 2019 2:17 pm
Project: HDMI/DVI out for STFM

Last post by rubber_jonnie « Mon Apr 08, 2019 10:43 am
Replies: 507
by Smonson » Sun Oct 29, 2017 9:42 am
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Hi all,

Here's my current project that's been keeping me up late for several months.

I'm creating a HDMI/DVI video out for my STFM by interfacing a...
507 Replies

46705 Views

Last post by rubber_jonnie
Mon Apr 08, 2019 10:43 am
What PLD were the Atari chips? ricoh.. ?

Last post by exxos « Thu Apr 04, 2019 7:30 pm
Replies: 2
by exxos » Thu Apr 04, 2019 5:35 pm

I am sure some point the Atari chips were identified as being one of the ricoh PLDs...Can anyone remember the part number or has the datasheet ? I...

2 Replies

259 Views

Last post by exxos
Thu Apr 04, 2019 7:30 pm
TOS ROMS

Last post by PaulJ « Sun Mar 24, 2019 9:06 pm
Replies: 1
by christofer.ramstedt » Sun Mar 24, 2019 8:31 pm

If i want to burn my own eproms with TOS 2.06 swe for my STE. Is it the same file to both eproms? (HI and LO)
The zip file only have one file and the...

1 Replies

230 Views

Last post by PaulJ
Sun Mar 24, 2019 9:06 pm
Falcon H-sync fault

Last post by exxos « Wed Mar 20, 2019 10:34 pm
Replies: 5
by exxos » Thu Sep 06, 2018 1:58 pm

Never seen this before...

Looking at H-sync it seems to jump down voltage, which seems to be when the monitor goes out of sync.. no idea what...

5 Replies

914 Views

Last post by exxos
Wed Mar 20, 2019 10:34 pm

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