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1 vote

US equivalent of the Microvitec Cub monitor

I don't know whether this was regional but all the Apple computers at schools in my area (northern Illinois) as a kid in the mid-80s had Amdek monitors, usually a 300A.
Wildcat Matt's user avatar
0 votes

What determines the color of every 8th pixel on the Apple II?

For a much shorter answer . . . There aren't 3.5 pixels/byte, but 7. There is no eight bit displayed; there are 40x7=280 horizontal bits/line. The other bit shifts timing by half a pixel, "...
hawk's user avatar
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10 votes

NTSC scan lines used by 8-bit computers

Conjecture #1: NTSC title-safe area (unlikely) An NTSC video frame has 525 lines. After subtracting the 21 lines of vertical blanking, and the 20% of the visible area that was considered non-title-...
dan04's user avatar
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10 votes

NTSC scan lines used by 8-bit computers

Similar to the TI VDP answer, have a look at the Apple text mode layout described in this answer. (And keep in mind that the graphics video layout is based on the text layout). There are 40 characters ...
dirkt's user avatar
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12 votes

NTSC scan lines used by 8-bit computers

I found one document which might shed some light why 192 lines was used before 200 caught on. The TI 99/4 used a TI TMS9918 VDP, which based on the document, was designed as a chip for simple low cost ...
Justme's user avatar
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10 votes

NTSC scan lines used by 8-bit computers

Older television sets used round picture tubes with a bezel to mask off the edges of the scanned area. Picture tubes were often circular, and to maximize useful areas, the image was expanded to the ...
supercat's user avatar
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