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BLITTER RE-CREATION THOUGHTS

Last post by exxos « Mon Oct 22, 2018 10:22 pm
Replies: 75
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by exxos » Tue Aug 22, 2017 10:37 pm » in ATARI 16 / 32 BIT » HARDWARE » HARDWARE DISCUSSIONS

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...
75 Replies

5177 Views

Last post by exxos
Mon Oct 22, 2018 10:22 pm
PaulJ Progress

Last post by JezC « Mon Oct 22, 2018 10:14 pm
Replies: 142
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by PaulJ » Mon Oct 01, 2018 6:04 pm » in ATARI 16 / 32 BIT » HARDWARE » STF REMAKE PROJECT » ALPHA USER BUILDS

2.JPG 1.JPG Most of the passive components installed. Waiting on 33 ohm resisters. Thought I ordered 40 but when they arrived they were 3.3 ohm. They...
142 Replies

1716 Views

Last post by JezC
Mon Oct 22, 2018 10:14 pm
DMA port "update" ideas..

Last post by alienkidmj12 « Mon Oct 22, 2018 10:08 pm
Replies: 44
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by exxos » Sun Oct 14, 2018 10:59 pm » in ATARI 16 / 32 BIT » HARDWARE » STF REMAKE PROJECT

I started a seperate thread for this...

For those not aware...

We finally solved the idea behind the STE DMA buffers. Basically the 1772 does not...
44 Replies

475 Views

Last post by alienkidmj12
Mon Oct 22, 2018 10:08 pm
Hissing and whistling in the STe audio output

Last post by sandord « Mon Oct 22, 2018 9:48 pm
Replies: 91
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by Paulo P » Sun Feb 18, 2018 2:46 pm » in ATARI 16 / 32 BIT » HARDWARE » TWEAKS & FIXES

Hi.
I would like to ask about the STe DAC Audio Noise Fix . I've noticed a little noise , high hissing or whistling in the audio output from my STe...
91 Replies

3630 Views

Last post by sandord
Mon Oct 22, 2018 9:48 pm
Forgottenmyname - Progress

Last post by Forgottenmyname « Mon Oct 22, 2018 9:07 pm
Replies: 169
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by Forgottenmyname » Tue Sep 18, 2018 2:55 pm » in ATARI 16 / 32 BIT » HARDWARE » STF REMAKE PROJECT » ALPHA USER BUILDS

Hi All,

As of today I still get the rolling screen after applying the sync mod on U51.
The Glue is still sending out 15khz on 37 and 60hz on 38.

I...
169 Replies

2464 Views

Last post by Forgottenmyname
Mon Oct 22, 2018 9:07 pm
RESET circuit tweaks

Last post by exxos « Mon Oct 22, 2018 6:53 pm
Replies: 11
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by exxos » Thu Sep 27, 2018 8:41 pm » in ATARI 16 / 32 BIT » HARDWARE » STF REMAKE PROJECT

Some little tweaks to try..

Replace C901 with a 1uF ceramic... This is basically what the Falcon circuit does. It affects the delay time after the...
11 Replies

175 Views

Last post by exxos
Mon Oct 22, 2018 6:53 pm
Testing the blitter

Last post by Icky « Mon Oct 22, 2018 6:38 pm
Replies: 16
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by exxos » Mon Oct 22, 2018 10:56 am » in ATARI 16 / 32 BIT » HARDWARE » STF REMAKE PROJECT

Long story short, it didn't work. :(

I tested the blitter in my STFM, and it works. In the STF I just get a totally black screen. I took the blitter...
16 Replies

117 Views

Last post by Icky
Mon Oct 22, 2018 6:38 pm
Cycle exact FPGA recreation

Last post by exxos « Mon Oct 22, 2018 5:53 pm
Replies: 5
by troed » Mon Oct 22, 2018 1:13 pm » in ATARI 16 / 32 BIT » HARDWARE » STF REMAKE PROJECT

Ijor's analysis work has paid off. It runs Closure :D :D

5 Replies

64 Views

Last post by exxos
Mon Oct 22, 2018 5:53 pm

GENERAL

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NEWS & ANNOUNCEMENTS
Latest Atari related news.
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52 Topics

419 Posts

Last post Re: The Atari ST and The Crea…
by sandord View the latest post
Sun Oct 21, 2018 5:00 pm
INTRODUCE YOURSELF
New user? Tell us about yourself!
Topics: 78

78 Topics

442 Posts

Last post Re: Hello from Missouri USA
by officer960 View the latest post
Sun Oct 07, 2018 5:51 am
CHAT FORUM
Atari talk, or the life and the universe and things. Just keep it clean!
Topics: 203

203 Topics

1622 Posts

Last post Re: Need to set up new Ultras…
by Forgottenmyname View the latest post
Mon Oct 22, 2018 1:31 pm
MEMBER BLOGS
Blogs & guides and tales of woo by forum members.
Topics: 25

25 Topics

346 Posts

Last post Re: Rescuing an ancient 520ST
by sandord View the latest post
Sat Oct 20, 2018 11:42 am
ATARI MUSIC NETWORK
All information is slowing being ported from AMN over to this section for preservation.
Topics: 35

35 Topics

45 Posts

Last post Re: website status
by exxos View the latest post
Mon Jun 11, 2018 11:36 pm
ATARI FOR SALE & WANTED
List your Atari wares and wants here.
Topics: 59

59 Topics

328 Posts

Last post Wanted ATI 2MB ISA MACH64 car…
by frank.lukas View the latest post
Wed Oct 17, 2018 6:58 pm
PC FOR SALE & WANTED
Post your for sale or wanted PC wares in this section.
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2 Topics

3 Posts

Last post Re: FOR SALE Lots of PC Atari…
by mrbombermillzy View the latest post
Thu Sep 06, 2018 8:11 pm

LIBRARY

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MOTHERBOARD REVISIONS
Images of Atari motherboards. - Only quality shots please
Topics: 59

59 Topics

160 Posts

Last post C070243 REV.B - 1MB piggyback
by troed View the latest post
Sat Oct 20, 2018 10:49 am
MAGAZINES
Mags & diskzines.
Topics: 4

4 Topics

4 Posts

Last post Atari ST Review
by kodak80 View the latest post
Fri Nov 24, 2017 2:17 am
BENCHMARKS
Benchmark screenshots for various boosters & machines.
Topics: 25

25 Topics

156 Posts

Last post Re: STF Remake Benchmarks
by kodak80 View the latest post
Sat Oct 20, 2018 3:42 am
3D MODELS
The place to share your 3D models of printable parts!
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3 Topics

20 Posts

Last post Re: More stuff for 3D printing
by exxos View the latest post
Thu Oct 11, 2018 4:23 pm

OTHER / GENERAL HARDWARE

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8 BIT CORNER
Any 8bit repairs, images, cool things, upgrades etc.
Topics: 11

11 Topics

151 Posts

Last post Re: My new 130XE
by IngoQ View the latest post
Tue Sep 25, 2018 11:53 am
DISPLAYS & CONVERTERS
All information relating to connecting your ST to a modern TV/monitor.
Topics: 14

14 Topics

134 Posts

Last post Re: VGA for low and medium re…
by IngoQ View the latest post
Mon Oct 22, 2018 11:57 am
ELECTRONICS
Tool suggestions, soldering tips, general useful electronics knowhow.
Topics: 30

30 Topics

185 Posts

Last post Re: Lead-free soldering
by exxos View the latest post
Wed Oct 17, 2018 5:17 pm

ATARI 16 / 32 BIT

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HARDWARE
Hardware upgrades, issues & fixes.
Topics: 359

359 Topics

5857 Posts

Last post Re: BLITTER RE-CREATION THOUG…
by exxos View the latest post
Mon Oct 22, 2018 10:22 pm
SOFTWARE
Essentials, news, discussion.
Topics: 80

80 Topics

678 Posts

Last post Re: The Union Demo on gotek?
by PeteW View the latest post
Sat Oct 20, 2018 10:07 pm
GAME ZONE
Our top picks of ST games!
Topics: 16

16 Topics

34 Posts

Last post Re: Xenon (shoot um up )
by sandord View the latest post
Wed Oct 10, 2018 10:33 pm

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