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Forrest

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Posts posted by Forrest

  1. The best features of the Atari 800 was the great keyboard, strong video output (chroma, luma, composite) and even RF output looked good and the 3 expansion slots.

     

    The best feature on the 800XL was the much cheaper price, expansion port and many chips were socketed to ease repair and upgrades. The video output was inferior to the 800, and the keyboard was a downgrade also.

     

    The best feature on the 130XE was the expanded memory. I recall the video output was about the same as the 800XL, and the keyboard was mushy and inferior to the other Atari’s.

    • Like 2
  2. IPA and a toothbrush may work better at cleaning the board. You’ll probably need to spend extra time cleaning the white residue off the solder joints on the bottom side of the board.

     

    The case looks like it needs a good cleaning also. Warm water with some dishwashing soap should work.

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  3. You’re not comparing apples to oranges, er Atari’s.
     

    in 1983, the Apple IIe cost a LOT more than a C64 or Atari 600XL/800XL. I looked thru the December, 1983 issue of Compute! Magazine and the 600XL was $149, the 800XL was $269, the C64 was $219. Prices were not listed for the Apple IIe, but I recall it being over $1000 at the local computer store. The II+/IIe was a popular computer in schools, but not a computer the average high school or college student could afford in my opinion. Heck, my first car cost less than an Apple IIe.

  4. From the Altirra Basic documentation:

     

    “A program saved from Atari BASIC can be loaded into Altirra BASIC, without issues.”

     

    “The Altirra BASIC language is a subset of that supported by OSS Basic XL and intentionally uses the same token values for compatibility. An Altirra BASIC program can therefore be loaded and run by Basic XL or Basic XE.”


    New commands from Altirra Basic/BasicXL:

    %, !, &

    DIR

    $hhhh (hex)

    DPEEK()

    BGET

    DPOKE

    BPUT

    ELSE

    BUMP()

    ENDIF
    ERASE
    ERR()
    HEX$()
    HSTICK()
    LOMEM
    MISSILE
    MOVE
    PMCLR
    PMCOLOR
    PMGRAPHICS
    PMMOVE
    PROTECT
    RENAME
    UNPROTECT
    VSTICK()

     

     

     

    • Like 2
  5. The XEP80 is a box that attaches to your joystick port and the box has a composite output port. An original XEP80 will set you back a few hundred $.

     

    There are two modern alternatives:

    1. Mytek’s XEP80 II that recreates and improves on the original. The progress of this is detailed in the XEP II thread on this forum. You can buy an assembled and tested unit for $175 at https://thebrewingacademy.com/collections/atari-800-xl-xe-xel-xld/products/xep80-ii-by-mytek?variant=39492098523238 Currently they are out of stock.

     

    2. You can experiment with the XEP80 emulator running on a Raspberry Pi Pico. You build this on a breadboard for $25 in parts, program the Raspberry Pi Pico and it almost works with AtariWriter 80 - see https://forums.atariage.com/topic/350451-xep-80-on-raspbery-pi-pico/

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