Rijn/TempleOS-Rijn
1
1 Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

TempleOSCD_150720.ISO

Browse Source
This commit is contained in:
Terry A. Davis authored and minexew committed 2018-09-08 21:46:22 +02:00
1 parent 401601816c
commit f8c05f98f4
554 files changed
+26046 -24853
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

Demo/Lectures/ScreenMemory.CPP
+7 -6
View File
@@ -3,16 +3,16 @@
U0 PlotXY(I64 x,I64 y)
{
//Screen bits are reversed
//Screen bits are reversed
LBts(VGAM_GRAPHICS,y*GR_WIDTH+x^7);
}
U0 Main()
{
I64 i;
Bool old_preempt=Preempt(OFF);
Bool old_preempt=Preempt;
//This makes all 4 color planes active.
//This makes all 4 color planes active.
OutU8(VGAP_INDEX,VGAR_MAP_MASK);
OutU8(VGAP_DATA,WHITE);
MemSet(VGAM_GRAPHICS,0,GR_WIDTH*GR_HEIGHT/8);
@@ -41,12 +41,13 @@ That means no read-modify-writes, too.
Preempt(old_preempt);
//TempleOS has a 4 plane memory duplicate of the screen, $LK,"gr.screen_image",A="MN:CGrGlbls"$,
//and only writes actual changes. See $LK,"GrUpdateVGAGraphics",A="MN:GrUpdateVGAGraphics"$().
//<CTRL-ALT-f> will flush screen VGA cache.
//TempleOS has a 4 plane memory duplicate of the screen, $LK,"gr.screen_image",A="MN:CGrGlbls"$,
//and only writes actual changes. See $LK,"GrUpdateVGAGraphics",A="MN:GrUpdateVGAGraphics"$().
//<CTRL-ALT-f> will flush screen VGA cache.
VGAFlush;
}
Main;
//See $LK,"::/Demo/Lectures/GraphicsCPULoad.CPP"$.