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It was actually 15 different colors. The "bright black" could have been shown as dark grey, but it didn't; it was the same as "black". That allowed showing bri
by TuringTest 8y ago
It was actually 15 different colors. The "bright black" could have been shown as dark grey, but it didn't; it was the same as "black".
That allowed showing bright colors against a uniform black background, which otherwise wouldn't have been possible, as the "bright" flag was set for the whole colour cell and shared for both figure and background pixels.
- jeffwass 8y agoReminds me of the monitor we got for my Tandy 1000 back in the 80’s. $50 for a CGA monitor at Trenton Computer Festival. A total bargain! But the case was made of styrofoam. And out of the box it only supported 8 colours, we had to build the logic board to apply the intensity bit to go to 16 colours. But it turned out to be actually 15 colours, unlike normal CGA or Tandy graphics, the ‘bright’ black came out as black and not dark gray, so occasionally had issues with software that depended on the contrast between color 8 and color 0.
- jacobush 8y agoReminds me of the ABC 800 (Swedish Z80 computer) color monitor. Heavy bastard, built like a tank in sheet metal and painted in some kind of brown shade suitable both for the tax office and the military radar station. Great high quality RGB monitor for your Amiga, Atari, or what not - except it had a logic board which "truncated" any analog signal into 16 (or thereabouts, possibly 8) colors. It could be rebuilt by your local geek for a case of beer or equivalent value. I was a little late to the party and without the electronics chops myself, I had to let my Amiga be bereft of 4080 of its 4096 colors.