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[ BIG CHANGE ] Properly Implemented IDT

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- New include files: idt.h, pic.h, syscall.h and exceptions.h
- Proper exception handling (still could be improved
- PIC properly initiated and irqs all masked
- BREAKS Keyboard - The keyboard IRQ is not handled anymore
- convertColor() is kinda broken :/ (More in README.md)
This commit is contained in:
Tom-on
2024-05-05 21:03:21 +02:00
parent 29418eb46b
commit 1d71a4e384
15 changed files with 448 additions and 617 deletions
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include/screen.h
+5 -3
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@@ -93,9 +93,11 @@ uint32_t convertColor(uint32_t color) {
return color & 0xff;
}
uint8_t red = ((color >> 16) & 0xff) * (((1 << gfxMode->linearRedMaskSize) - 1) / 255.0);
uint8_t green = ((color >> 8 ) & 0xff) * (((1 << gfxMode->linearGreenMaskSize) - 1) / 255.0);
uint8_t blue = ((color ) & 0xff) * (((1 << gfxMode->linearBlueMaskSize) - 1) / 255.0);
// TODO: !! Important !! - Is should be divided by 255.0 (for floats), but using '-mgeneral-regs-only' removes fp-registers and
// wants to use some dumb functions for converting fp numbers in the stdlib (that we don't have)
uint8_t red = ((color >> 16) & 0xff) * (((1 << gfxMode->linearRedMaskSize) - 1) / 255);
uint8_t green = ((color >> 8 ) & 0xff) * (((1 << gfxMode->linearGreenMaskSize) - 1) / 255);
uint8_t blue = ((color ) & 0xff) * (((1 << gfxMode->linearBlueMaskSize) - 1) / 255);
return (red << gfxMode->redFieldPos) | (green << gfxMode->greenFieldPos) | (blue << gfxMode->blueFieldPos);
}