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It's the columns which matter, not rows

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Peter Evans 2018-03-13 16:14:38 -05:00
parent 4d34663435
commit ec00bb2a87
1 changed files with 3 additions and 3 deletions
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6
src/apple2.hires.c
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@ -5,9 +5,9 @@
* low-resolution graphics. Where one byte can hold the color data for
* two onscreen cells in lores graphics, in hires, each _bit_
* corresponds to a pixel. The colors you can show depend on the pattern
* of high and low bits within a given data byte. Certain rows have
* black, purple, or blue available; alternating rows can be black,
* green, or orange.
* of high and low bits within a given data byte. Certain columns can be
* used to display black, purple, or blue; other columns can be used to
* show black, green, or orange.
*
* Some of this has to do with the space constraints available to the
* Apple II: the hires graphics buffer is held between $2000 and $3FFF,