Gazoo
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Posts posted by Gazoo
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Has anyone used this software since I posted it?
Gazoo
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It's glued together. You have to very carefully pry it apart at the seam.
Gazoo
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You might also have them reversed.
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I'm not aware of any changes to the internal power supply board during the lifetime of the 4A but I wouldn't be surprised if it also got optimised in some way.
There was an upgrade to the power supply that made it into a switching supply.
Only 2 wires were used for input instead of 3, and it runs much cooler.
It's recognizable by the many electrolytic caps on the board.
Gazoo
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Does it matter if you eliminate a bug with a fly swatter or a hammer? It is just as dead. I defer to either of you when it comes to A/L (and try not to get in the way)..
Just don't get in the way of Gazoo's sledge hammer.
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If the Great Gazoo said it, it is undoubtedly true! I always just nod my head and comply.
Don't do that, the insane one is much more knowledgable. He's making sense where I just do things that work for me and are generally overkill.
Clearing the status byte is probably enough.
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you can load things from CS1, but I am not sure if you can load an EA5 program that has more than one file name. I have never tried that.
Typically on programs that are EA5 files they will have at least 1 file, most have more and go up in number, 1,2,3, or A,B,C, etc..
If you have access to an older PC that can do DS/SD @ 40 tracks then you can you TI99-PC with OmniFlop to write actual TI disks on the PC then use them on the TI.
Also, if your 3.5 drives you have has drive select jumpers then you will not have to modify your cable. If not, then the standard straigh through cable will see the drive as DSK2. You can see the drive cable mods on mainbyte.com
Hope this helps.
Yes, you can load an EA5 set of files like DSKU from cassette. It will just take a while.
Gazoo
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Ok, thanks. I was using version 1.
Gazoo
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do you have some specific settings that you've used in the past for this similar problem?
I was contemplating whether the user interrupt hook has something hiding in it, or something else odd that XB27 and the V9938 would dislike. The only changes I've made this month to CFG are adding more devices and implementing the AMS test. The former should have no impact; the latter.. who knows
I've only had 1 or 2 problems with registers 7 through 15 not being cleared. If you write those registers first, the 9918 will accept them as registers 0 through 7, and then you write registers 0 through 7. This procedure allows compatibility for both VDP chips.
Gazoo
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Dm2k I think.
I have DM2k, but I don't see that anywhere in there.
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CORCOMP MEMORY PLUS (512K): CRU >1000
011-CorComp-RAMplus-512K.jpg015-CorComp-RAMplus-512K.jpg017-CorComp-RAMplus-512K.jpg
What program are you using to get this list of available devices?
Looks like a handy thing to have.
Gazoo
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Mike Maksimik has given me permission to distribute the Midi Master software. Here are the 2 disks that were originally distributed by Cecure Electronics. Mike has requested that the software not be altered in a way that would remove his name from it. Please honor his request.
Gazoo
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Tim,
Could you do a version of CFG832D with registers 8-15 cleared at startup and registers 0-7 set and the status byte cleared before exit? I'm still having some intermittent problems.
Hey that was my idea!
(just another 80 column VDP innocent user here)
Gerchoo (bless you Pebbles!)
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Sounds like SPIKE was at it again.
It's a vdp register problem, or maybe not clearing the status byte before quitting.
Should be an easy fix.
Gazoo
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I found a nice case for an external 5.25" drive.
Google this: CDRW55292EXT
A floppy drive fits in the case perfectly.
Since I've converted my 'stock' TI to two 3.5" floppies (80/80/40), this works out nicely as an external drive if I want to read a 5 1/4 inch disk.
Got it for $5 ! A little alcohol or paint remover will probably take the white lettering off the case.
Gazoo
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Old farts and packrats NEVER throw anything away. I have the source, I'll just have to find it.
I'm an old fart AND a packrat, but I can never find anything in the mess. You must be more organized than me.
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How about repairing it?
I second the motion, there's only a few chips. Replace all the chips and the regulators and you'll be good to go.
Gazoo
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From this it looks like we could do the following:
1. CorComp I think we can use RAMGR and/or LOWER to detect. (As a side note, the HFDC and SCSI use >2x routines, so this card may not play nicely with either of those two cards).
2. Foundation 128K card : MEMINIT or MEM96 plus CRU 0x1E00
3. GRAM 1.1: EDITMEM?
4. Triple Tech: already detected via CLOCK.
5. SAMS / AMS / Mechatronix 128, other non-DSR memory cards: requires a different method.
Gazoo - is EDITMEM also found on a PGRAM? Any other similar calls you see that would cause problems?
I will make some changes and return with an updated version.
EDITMEM is not in the Pgram DSR. CLOCK is though. You may want to have the Pgram identifiable by CALL PG and leave CLOCK for the Triple Tech.
RAMGR would probably be the best bet for the Corcomp ramdisk.
Gazoo
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Wow! If it makes him happy, more power to him!
I like your avatar. I actually own a real one of those.
It's actually very shiny, the foreground is silver and the background gold, the photo just didn't turn out very well.
Gazoo
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The Corcomp Ramdisk responds as 'DSKR.'. I think there's also a CALL to bring up the resident disk manager, but I don't recall what it is. It would probably be better to identify it by the CALL since 'DSKR.' can also be a valid device for a Horizon Ramdisk.
Gazoo
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Very nice posts!
I didn't know you could activate a PCODE card and not run the PCODE software
For the Foundation card, I seem to recall it responds to "DSKX." . Is that correct?
I believe Fred's Disk Utility program show the DSR headers for the cards in the system.
What I need is a unique Device name or unique subprogram that can be used to identify each card. If a DSR is not loaded, it will not be identified. I might consider adding some code to test for CRU responses and memory paging, but that is currently beyond the scope of this release. So, if you have screenshot of the DSR for these cards I can take a look. Or if you have an EPROM dump I can look at it directly. Many options
The Foundation card will be difficult to identify. It was originally sold without an eprom. There was also a hacked eprom that made it work as a Myarc 128k card so it could run Myarc Extended Basic 2. It might be best to leave that one alone and let it be reported as undefinable.
Gazoo
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Gazoo, Mike Maksimik does come on here once in a while--so you could check with him directly on the rights to the software and whether or not he'll let it into free distribution. . .
I found Mike and sent a message to him regarding this. I included in it an experience we shared while having dinner at a steakhouse on a night before a Lima Faire, I have a feeling he'll smile when he reads the message.
We'll see what happens...
Gazoo
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Gazoo, Mike Maksimik does come on here once in a while--so you could check with him directly on the rights to the software and whether or not he'll let it into free distribution. . .
Really? I thought he was completely out of the TI loop and was a full time scuba diver.
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in TI-99/4A Computers
Posted
Can the sounds be activated without the second screen being active?
Gazoo