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MEtalGuy66

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MEtalGuy66 last won the day on October 17 2009

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About MEtalGuy66

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    River Patroller
  • Birthday 10/19/1973

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    If it aint broke, fix it anyway!
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    Male
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    Houston, TX, USA
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    ATARI XL/XE hardware repair, ICD Multi I/O reproduction/development, SpartaDOS, MAC/65, BASIC XE, ATARI TELNET BBSes and related hardware, AMIGA 1000/500/500+, preservation of the 5.25" floppy as a standard for 8-bit computers.

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  1. I'm with Bob. The oxide coating on the disk is what I suspect. however, it may be relevant to note that FYI, xf551s have direct drive spindles, no belts...
  2. the keys are from an old ST. both the case and keyboard have custom millwork done to them, and the keys are actuated by tact switches.
  3. Looks awesome.. That's done in 8-bit Unity SDK? Why no Apple II version?
  4. Pfft.. F*** Jordan Mechner's IP rights.. DOUBLE F*** Ubisoft, and TRIPLE f*** Disney.. heh.. Bunch of social justice virtue signalling box-office bait releasing, franchise ruining terds (Star Wars much?).. We all pirated the apple II version long before the source was released.. As far as I'm concerned, moving it to the ATARI (and thereby spreading it around even more) is just a further extension of that piracy. And that's a damn good thing.. For everyone.. Including the above mentioned "IP owners"... Whether they are smart enough to realize it or not..
  5. Its all the same program, feature-wise.. The only difference in any of the versions is how it's organized on the storage medium.. It well may be that the same ROM version works on either the os rom socket or the SDX cart, now that you bring up the fact that it's only 8k. I cant remember. I do remember testing MIOs by running that program all 3 ways though. Steve Carden would be a better guy to ask about the particulars, and if anyone, he would be the one who has the authority/decision on sharing the source code.
  6. There's no difference in the ILS version. Steve Carden just "rebranded" it.. The program came from Mike Gustafson of ICD.. original designer of the MIO.. In addition to the executable version, there are also two ROM versions of that test program. One is made to drop into the Atari's OS ROM socket, and one is made to go into an original ICD SpartDOS X cartridge.. I do have the source code for that program.
  7. Yeah. Those are the original 1050 chips that someone put back in the original packaging.. Don't worry though, it's easy to make your own US doubler. All you need is two 6810 SRAMS and a 2732 EPROM. Build this module using the two SRAM chips: Then, burn THIS BINARY IMAGE onto the 2732 EPROM. Walla.. You now have an ICD US doubler. Plug the hybrid 6810 module you built into the 1050's SRAM socket, and plug the 2732 EPROM into the 1050's ROM socket.. Follow the instructions in the manual that you have there, to make sure the jumper settings on the 1050 board are correct. You can now use ICD SpartaDOS to enjoy Ultraspeed (52kbps) and true double density (180k) capability..
  8. Those are bad-ass, Calimero. You have my total admiration for the dust covers.. The yuppie-assed "feng shui" type presentation environment, not so much.. But the covers themselves.. Righteous, man..
  9. If you hook an external 5VDC PSU to J7, the regulator and rectifier will be bypassed and the MIO will run much cooler. If its a 1meg model, make sure your PSU is capable of doing at least 1A sustained, preferably more.. You'll have to rig an inline switch if the PSU doesn't have one, because this also bypasses the power switch on the MIO. This is what smart BBS sysops did back in the day after realizing that even extra fans wouldn't save the MIO's pitifully underrated PSU components from eventually cooking themselves, during 24-7 sustained useage.. J7 pinout: 1&2 9VAC circuit (do not connect anything here) 3&4 9VAC circuit (do not connect anything here) 5&6 GND 7&8 5VDC note: make sure your MIO has the 5V PLL upgrade. In other words, it has to have the newer U19 IC that runs on 5VDC. Otherwise, you will need an additional 12VDC supply to pin 16 of U19. If your board is missing VR2, then it has the upgrade. If VR2 is populated, then it does not have the upgrade.
  10. The Apple II doesn't do 280x192x 6 colors.. It's 290x192 monochrome pixels in HI RES. The color pixels are effectively artifacts so it's only actually 140x192x6 colors.. In double hi-res, you can have 560x192 monochrome pixels, or effectively 140x192x16 colors. The apple has the ability to turn off the chroma signal to the composite video output when in text-only screens, to avoid the color artifacting. and thus utilize the full monochrome resolution for text, but in hi-res graphics modes, with a color composite monitor, you are going to see the color artifacts whether you like it or not. You can plot pixels on the full resolution of the bitmap, but you are actually only going to see 140 color artifacted perceivable pixels horizonatally..
  11. Prince of Persia Wings of Fury Bard's Tale series. Wizardry Series.. Legacy of the Ancients
  12. Total bullshit, I'm afraid.. All that is required is setting the register to 0.. Like I said before, it's done pretty commonly on apple IIc, apple super serial cards, etc.. for fast serial transfer of disk images on the apple II.. And there's no switch involved.. And on those implementations the chip is also clocked at 1.8432mhz.. Its pretty standard..
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