Need help?Do you have a question about the Tandy Color Computer 3 TRS-80 and is the answer not in the manual?
Manual is for users with thorough understanding of electronics and computer circuitry, not beginners.
Radio Shack is not liable for damage caused by using software/manual for repair, modification, or alteration.
Suggests returning computer to Radio Shack for servicing due to sensitive electronics.
Opening housing, breaking seals, or altering the computer voids warranties.
Tests all memory of the Color Computer-3, up to 512k.
Tests Color Computer Normal Interrupts.
Tests Color Computer Fast Interrupts.
Displays all 64 colors of the Advanced Color Video Chip.
Tests Alpha & Graphic modes and displays crosshatch.
Tests switching of the CPU clock speed.
Tests 'false' colors produced by artifacting circuitry.
Tests the Color Computer-3's Color Palette Registers.
Tests the Color Computer-3's Video Paging Register.
Tests the MMU Memory Banking Register.
Tests the VDG modes of the Color Computer-3.
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