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APB 99/4A

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  1. Yes, me and my kids bought the last Pitfall cart at the fair this year and was playing till 4 a.m. Very nice job! I never new the TI could manage so well with all the action on the screen. Clearly my best cart game in my families collection. I like that you posted the codes, would realy like to start learning how to program on the TI other then Basic and Extended Basic.

     

  2. Looks like external drive may have died, make a of nose when seeking head. Got out of DM2 and put extB cart with Advanced Diagnostics in Dsk 1 trying to test out why I can't format to disk 2. Rpm speed 290.5 to 300.2, That seems a good normal. Testing with same floppy the other drive preformated. Already tride the other to disks in DM2. Testing further.....No luck. This is a Texas Instrument 5 1/4 drive model No. PHP1850C. It seems the read/write arm is having trouble seeking and making a vibration noise that seems loud. By the above number is there a reference to see what style or format that drive is, only because I used that drive to back up my personal library not the SS/SD floppy in the expBox.

  3. TI running of thumb, removed after load and still running. Classic99 runs off ram alone. :). Something a little funny left TI up on boot screen and a co work tried to get on my workstation but could figure out what was going on with computer. Had window over max and hid the window edges just off side of screen. Ya I'm ready for programming tips, book I started back with is, TI-99/4A Sound and Graphics by Raymond J. Herold

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