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Tandy 128K Color Computer 3 (26-3334)

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  Tandy 128K Color Computer 3 (26-3334) by Bill Degnan - 03/02/2013 20:42
The Tandy 128K Color Computer 3 system with Disk Extended Color BASIC 2.1 boot screen. Also pictured is a dual PERCOM double-density disk drives, manuals and Deluxe Joystick . Click for larger view.



The Tandy 128K Color Computer 3 model 26-3334. Click for larger view.


Pictured is a PRI Inc., CC Bus cart extender. The power supply that came with it is dead, and even with a replacement supply port 1 was the only working slot. I did not spend much time other than "re-seat the chips" and test the 7805 to be sure proper voltage was being transmitted. The power line on each slot was correct. Pictured in slot 1 is a 502 disk drive cart, and slot #3 has a CoCo MAX cart. Click for larger view.


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  Useful Commands Tandy CoCo by Bill Degnan - 03/03/2013 10:58
DSKIN0 = format disk in drive 0
DKSIN1 = format disk in drive 1

BACKUP 1 to 0 = copy contents of drive 1 to a formatted blank disk in drive 0

LOADM "filename/ext" = load a binary image file program (.BIN)

RUN "FILENAME"

DIR = show a directory of files in drive 0 (default when no drive indicated)

DIR 0 = show a directory of files in drive 0

DIR 1 = show a directory of files in drive 1.



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