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7

This might just be stating the obvious, but Type 30 manual linked in the question describes the device as a random-position point-plotting cathode ray tube. Nowhere does the manual suggest it's a vector graphics display. It then further describes how the computer supplies the X,Y coordinates of a single point to be plotted. There is no facility to plot a ...


4

The description of the Spacewar game gives some clues that the Type 30 was not able to display lines, but instead dots. Towards the end of the description, there is the listing how the spaceships were rendered, and even linear sections were given as repeated individual dots. With a true line-rendering capability, the engineers had surely used that instead of ...


5

NOTE: This actually refers to the type 340, not the type 30, so it may be irrelevant! The Type 30 input commands worked in several different "modes", including point mode, vector mode, and character mode (with an optional character generator). The actual display was always point-based, unlike the Tektronix 4011/4014 displays which drew straight ...


5

(From memory, don't have the manuals at hand) IIRC, there are not four pages, but 'only' two. Using AUX memory does not give additional pages, but expands HGR into DHGR. According to the "Apple IIc Reference Manual - Volume 1", page 45, First of, when checking manuals, make sure to use the one referring to the computer you're using, As there are ...


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