What are the interleave factors for Apple II graphics?

What are the interleave factors for Apple II graphics?

Apple’s text and graphics modes are based on two different interleave factors of 8:1 and 64:1. A second peculiarity of Apple II graphics—the so-called “color fringes”—is yet another by-product of Wozniak’s design.

What was the graphics system on the Apple II?

The Apple II graphics were composed of idiosyncratic modes and settings that could be exploited. This graphics system debuted on the original Apple II, continued with the Apple II Plus and was carried forward and expanded with the Apple IIe, Enhanced IIe, IIc, IIc Plus and IIGS .

What kind of memory did the Apple II have?

By contrast, some commercial software programs for the Apple II used this memory space for various purposes — usually to display a help screen. Unlike the other Apple II machine types, the Apple II GS featured a processor (the 65816) which could address more than 64K of RAM without special tricks. In the IIgs, RAM was demarcated into banks of 64K.

What kind of video card does Apple IIc Plus use?

In the IIc and IIc Plus, this connector was a special-purpose video connector for adapters to digital RGB monitors and RF modulators. In the II GS it was an output for an analog RGB monitor specially designed for the II GS . Numerous add-on video display cards were available for the Apple II series, such as the Apple 80-Column Text Card.

How to find low resolution graphics on Apple II?

Low-Resolution (Lo-Res) graphics Number — name Y Pb (rel.) Pr (rel.) 0 — black 0 0 0 1 — magenta 0.25 0 0.5 2 — dark blue 0.25 0.5 0 3 — purple 0.5 1 1

What kind of display does the Apple II have?

The Apple II video output is really a monochrome display based upon the bit patterns in the video memory (or pixels). These pixels are combined in quadrature with the colorburst signal to be interpreted as color by a composite video display. High resolution provides two pixels per colorburst cycle,…