Apple-2-Tools/bradgrantham-apple2e
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61 Commits 6 Branches 0 Tags 808 KiB
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5 Commits

Author SHA1 Message Date
Brad Grantham
21e800658c LORES ("GR") mode and inverse text 
Add lores shader and implement in redraw
Handle inverse text, but it indicates glyph lookup or raster location is off by one, not sure what's going on there.
 2016-11-18 23:17:07 -08:00
Brad Grantham
cabfe5191e Mostly rewrite graphics to use shaders 
Move to GL 3.2
Draw a quad with shaders depending on the mode in that part of the screen
    HIRES shader reads from hires texture
    TEXTPORT shader reads from textpor texture and indirects through a font
      to get pixel values
MIXED now supported
Still to do: BLINK text, INVERSE text, LORES, gang up HGR memory updates
Why doesn't cursor flash the checkerboard?
 2016-11-18 20:54:19 -08:00
Brad Grantham
dac35cccb1 hires graphics in a separate window 2016-11-16 22:50:09 -08:00
Brad Grantham
33a78aabe9 Support Quit on window, clean up a little 2016-11-16 18:54:56 -08:00
Brad Grantham
17c38de074 Rudimentary GL window with keyboard support 2016-11-16 16:16:10 -08:00