Differences

This shows you the differences between two versions of the page.

--- guides:text_mode [2020-08-28 23:01]
omolini
+++ guides:text_mode [2020-08-28 23:02]
omolini
@@ Line 1: / Line 1: @@
 ====== Perfect Text Mode in VGA ======
-Ever wondered why VGA text mode had at times, ugly looking text mode graphics? Most all VGA boards by default displayed text at a larger font glyph size of 9x16 pixels, while remaining compatible with the earlier font size at 8x14 pixels. While this added clarity to text by creating a higher resolution display, it was a compromise to keep compatibility with older hardware. The font height was increased from 14 to 16 pixels, however the designers were unable add to the width without breaking compatibility. So instead they decided to increase the width by adding a blank column. In some cases, it did make sense to separate text with space to make it more readable, however it also made some text mode graphical applications look bad. Here's an example of what a wall of 50% gradient characters looks like in VGA:
+Ever wondered why VGA text mode had at times, ugly looking text mode graphics? Most all VGA boards by default displayed text at a larger font glyph size of 9x16 pixels, while remaining compatible with the earlier font size at 8x14 pixels. While this added clarity to text by creating a higher resolution display, it was a compromise to keep compatibility with older hardware.
+When VGA text mode was being designed, the designers were able to increase the font height from 14 to 16 pixels, however they were unable add to the width without breaking compatibility. So instead they decided to increase the width by adding a blank column. In some cases, it did make sense to separate text with space to make it more readable, however it also made some text mode graphical applications look bad. Here's an example of what a wall of 50% gradient characters looks like in VGA:
 {{ :guides:pics:text_mode_setup_vga.jpg?400 |}}

steptail.com

User Tools

Site Tools

Differences

Page Tools