zezba9000
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Posts posted by zezba9000
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20 hours ago, Hastor said:
Nice, while I'll most likely be waiting on AtariAge as I'm <100 on the RetroHQ list but still pretty high, I might just wait even if I do come up there first just to get this box, especially with a nice Jag size manual.
How do we see where we are on the list? I always forget or am confused on this.
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If there is an pre-order / interest list you're keeping I would like to be on it.
This looks awesome!
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I'm not actively doing homebrew but would like one of these for future homebrew.
If there is a generic list we can get on that would be great as I have to many things to keep track of and would hate to miss out in the future.
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6 hours ago, Goochman said:
Looks like I missed it
Ya sorry about that, didn't expect it to sell as fast as it did.
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1 hour ago, Goochman said:
Does it include 4MB of ram on the board already?
Yes it does.
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I'm selling a Atari ST 4MB memory upgrade kit I decided I didn't want to install on my STF 1040.
I payed over 120$ for it but am selling for 75$ as its new but untested so I can't guarantee anything.
If you're in the US and looking for one of these types but at a lower cost the listing is on Ebay.
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@ParanoidLittleMan Awesome stuff. Hooked up your TOS ROMs and can switch between the different OS's with a pull-up switch.
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On 11/5/2020 at 12:28 PM, snarkdluG said:
From expensive to cheapest;
Framemeister, OSSC, retrotink.
But cheapest is not really cheap.
So you're saying this will work out of the box on a Atari 1040 STF & probably 520 ST?
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23 hours ago, Chri O. said:
I had no luck with GBS 8200 VGA Arcade Converter until I build video sync mixer for my Atari 1040 STE (H sync+V sync to (C sync))
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More info in this post: Atari ST1040 and ST250 Display Issue
Ok thanks. So the 74LS86 is "OR" gates?
So combined sync goes to PIN-S (aka C Sync) on the GBS-8200?
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Ok Ill go over in more when i get time.
What is the best option to get Atari ST working on a modern screen?
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So I'm trying to get my Atari 1040 STF (and eventually 520 ST) working on a modern LCD.
I've bought these...
ATARI ST QUALITY RGB SCART: https://www.ebay.com/itm/ATARI-ST-QUALITY-RGB-SCART-LEAD-TV-VIDEO-CABLE-2-METRES/321231353702
ATARI STe RGB SCART LEAD WITH STEREO AUDIO: https://www.ebay.com/itm/ATARI-STe-RGB-SCART-LEAD-WITH-STEREO-AUDIO-VIDEO-CABLE-2-METRES/390925970438
Use GBS-8200 GBS-8220 with VGA (15KHz support): https://www.ebay.com/itm/Use-GBS-8200-GBS-8220-with-VGA-15KHz-support-monitor-Amiga-Atari-Sega-SNES-etc-/232826060192
GBS-8200: https://www.amazon.com/gp/product/B078ZDTLBJ
There is nothing in the examples that shows anything special is needed: https://drive.google.com/file/d/1EKWLkn6dIlYVOv7d8ZDClqqRkY8HIjr1/view
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But nothing works, the GBS-8200 just says no signal.
I'm using a both devices off the same 5v 2a power supply.
What am I missing?
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13 hours ago, TGB1718 said:
Nice to see you got it going, I never managed to get my GOEX going, although they said send it back, the postage
cost just doesn't make it worth it, so just put it down to experience.
You can buy the Gotek drives I used for 20$ https://www.ebay.com/itm/SFR1M44-U100-Normal-Version-3-5-1-44MB-USB-SSD-Floppy-Drive-Emulator-Gotek/174409464532/
The method I show at the end of the GitHub page works 100% of the time it seems (You don't need to solder the new boards either). I would only use the new Gotek model with the ST-LinkV2 programmer as its less of a hassle.
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So got cable finally. Also figured out how to flash new Gotek models shown here: https://github.com/keirf/FlashFloppy/issues/232
So there is a Gotek (FDD-UDD U144K) I flashed booting off an external floppy cable on an Atari ST 520.
I'm post a some pictures of cable wiring later. To make it simple and avoid complications for others.
The issue I was having before was the pre-configured USB drive & Gotek combo off Ebay I had bought wasn't configured correct like it was supposed to really confusing me.
As I'm new to these I didn't know what to look for and expect.
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I'm just confirming you still have them before I send money via PayPal etc.Will you need my shipping address in a PM? Or will you get that via PayPal?
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Found a much better cost for the same upgrade kit: https://www.hhtzine.com/index.php?main_page=product_info&products_id=92739
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10 minutes ago, snarkdluG said:
It does requires to desolder the on board RAM though. At least if you want to upgrade to full 4Mb. But mostly it is just plug in on top of mmu and remove shifter, plug in adapter board, plug the shifter in adapter board. As stated before, rather expensive solution.
The manual can be found here. The +8 is not the ram board you linked to.
It looks like that new 4mb upgrade kit that doesn't require soldering just replaces the MMU: https://www.ebay.com/itm/163052527031
I found a full 6-chip set of TOS 1.04 that will work my 1040 STF. I think I may go with the solderless solution so I can always revert my system if needed. Thats worth the extra cost alone.
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14 hours ago, ParanoidLittleMan said:
Will PM you little later.
4 MB upgrade and TOS 1.04 work on every 1040, 520 . And actually it might be less work with 520. Because original RAM must be removed. Or deactivated. But I strongly recommend to remove, and that means to desolder 16 or 32 16 pin chips (because there is TOS 1.00 in your 1040, I don't think that it is with 8 RAM chips - if yes, good for you. )
So, desoldering of RAM chips - yes. ROM is most likely in sockets, and 6x 28 pin ones. So, that will be easy part. Just replace ROM chips.
TOS 2.06 supports ST machines. But it is longer (256 KB instead 192), and because that it goes on different address space. And because it must add extra logic, what addressing that area. Additionally, need to use 32 pin EPROMs, because fits not in 6 usual 32 KB EPROMs (27C256) .
Then 2 chips 27C1001 are used usually. That means another problem - how to place sockets for them. There are diverse solutions.
http://atari.8bitchip.info/flashest.php
Intermediate 32 pin sockets placed in original 28 pin ones. Need some + soldering, wires. Logic can be in GAL, or with 74xxx chips - there is schematic of it lower "No GAL programmer? There is a simple solution:"
In any case TOS 2.06 in some ST (including Mega ST) needs some soldering.
Simpler solution is with 4x 27C512 chips : http://atari.8bitchip.info/tosimav.html
At 60% of page Solution for TOS 2.14 or original 2.06 with 4x 28 pin EPROM chips - no need for intermediate socket, so will remain low.
It needs logic in GAL , and soldering some 15 wires, as is visible on pic.
"Many games had a 2mb min and others that had a 1mb min normally just hard crashed computer causing it to reset. "
It seems that your ST(s) work not enough reliable. First thing to do is replacing electrolyte capacitors in PSU(s) - if not done recently.
Why does the one I linked not require any soldering to upgrade memory?
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5 hours ago, zzip said:
Which apps specifically? As @ParanoidLittleMan mentioned, some things might be hard coded to look for A: However, in my experience, most applications worked from hard disk, problem was mostly games. Any game that you download and unpacks to its own folder should work fine. Many commercial games had copy protection tied to the floppy and didn't expect to run from anything else. Some later games were hard-drive friendly
I was only trying stuff in the image @ParanoidLittleMan linked.
Only one game booted fully but I couldn't get it to start with my Atari joystick in port 2. (I'll have to find which one it was [scrolling credits in German])
I didn't try a ton of games as the ones that failed or crashed required a power cycle of the computer. Many games had a 2mb min and others that had a 1mb min normally just hard crashed computer causing it to reset.
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10 hours ago, ParanoidLittleMan said:
Newer Atari revisions came with newer TOS versions - of course.
1985 - 1.00
1987 - 1.02
1989 - 1.04
Because of cost ? That's RAM upgrade price is ridiculously high.
I can send you TOS 1.04 chips for half of that price (including oversea shipping).
Can you PM me details I need to buy it from you?
First I just want to validate a couple things about what I would be buying to make sure its the path I want to take.
* Its a 4mb upgrade + TOS upgrade that will work in my Atari ST 1040? (I will leave my 520 as-is for dev testing on TOS 1.0.0 in the future)
* I don't have to de-solder entire ROM chips or anything of that nature? (What does installation involve?)
* Can Atari ST 1040 be upgraded to TOS 2.x or is 1.0.4 the max recommended if you know or had to guess? (Was 1.0.4 the max 1040 revisions came with?)
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3 hours ago, SainT said:
As always my aim is to support everything required for retail, including POKEY in CPLD solution. As it will be CPLD / micro based, I would be able to support new mappers.
Things like the bupchip are a possibility also.
But as ever, I have a million things on the go, so grab what you can while you can.
Do you have a list I could get on for the 7800GD? Or are you not ready for that yet?
Its just sometimes hard to follow long forums when I have my own projects going on.
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15 hours ago, ParanoidLittleMan said:
It's not only because RAM. SW is written in most cases to run from floppy. Copying it to hard disk means not that it will run from it too for sure. More or less corrections are needed. Simple example: in program file is referenced with: A:\FILE - that will fail when it runs from C : (damn smileys) . Correction is needed in code, and usually it is much harder case.
Question: did you receive US and SD card with games from Lotharek ? I ask because I sent him this, more compatible image months ago.
Ah, and something, maybe more useful than not simple RAM upgrade (yeah, soldering): TOS upgrade. With TOS 1.04 it will be much better.
Yes I got it from Lotharek.
What Atari systems come with a newer TOS by default? I was surprised my 1040 only had 1.0.0 on it just like the 520.
So because of cost I might only update my ST 1040 to 4mb.
Does this seem like a good option? https://www.ebay.com/itm/NEW-Atari-520-1040-ST-STF-STFM-Mega-ST-computer-4MB-Marpet-memory-upgrade-kit/163052527031
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So that image worked. Many apps fail to run though. I only have 1mb in each computer.
Guess I'll have to get 4mb expansions as I think stuff is running out of ram.
Are there cheaper options or do they all cost 100$ for 4mb ?
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So think something might be wrong with my Gotek.
Tried the Gotek in a Atari ST 1040 and it didn't work.
Tried to flash the STM32 and the Win32 flasher says it can't recognize the device.
Tried to flash with stm32flasher CLI tool and it says "Failed to init device"
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11 hours ago, ParanoidLittleMan said:
It is most likely because you have TOS 1.00 or 1.02 in those machines. And they are not good with so many files in partitions.
There is new SD card image, what is done specially for those old TOS versions. https://www.mediafire.com/file/hgkdnnwym334ilg/1000GamesT02.zip/file
541 MB. Unpack it and write to SD card - 2 GB card min needed.
Btw. UltraSatan should be detected without extra reset after power on. Maybe recap of PSU is necessary ?
Before asking: TOS 1.00 is year 1985, 1.02 is 1987, 1.04 is 1989 in Desktop Info .
Ok thanks for link, will test image after work.
So I used Linux to clone my 16gb SD card to a 2gb SD card and it would always boot with a single power on (no reset needed).
However file system will show zero files or mangled names.
Both systems behave identical so don't think its caps and one was recapped I think already.
Hopefully the image you send solves the issue. Will update when I know more.
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Can I get unblocked?
in Atari 7800
Posted · Edited by zezba9000
Can I get unblocked from "sd cartridge for 7800?" thread?
I bought one of the concerto pre-production carts & would like to have access to the thread if needed to report feedback or bugs if they come up.
I would like to correct any mistake I made to get blocked on that thread.