From a78033acc941fc4bcf6188f1d48fd8e012673fff Mon Sep 17 00:00:00 2001 From: EmulatedSeasons <89668582+EmulatedSeasons@users.noreply.github.com> Date: Thu, 15 Jun 2023 22:36:39 -0400 Subject: initial commit --- kernel/arch/i386/vga.h | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 kernel/arch/i386/vga.h (limited to 'kernel/arch/i386/vga.h') diff --git a/kernel/arch/i386/vga.h b/kernel/arch/i386/vga.h new file mode 100644 index 0000000..5b6b351 --- /dev/null +++ b/kernel/arch/i386/vga.h @@ -0,0 +1,35 @@ +#ifndef ARCH_I386_VGA_H +#define ARCH_I386_VGA_H + +#include + +// hardware text mode constants +enum vga_color { + VGA_COLOR_BLACK = 0, + VGA_COLOR_BLUE = 1, + VGA_COLOR_GREEN = 2, + VGA_COLOR_CYAN = 3, + VGA_COLOR_RED = 4, + VGA_COLOR_MAGENTA = 5, + VGA_COLOR_BROWN = 6, + VGA_COLOR_LIGHT_GREY = 7, + VGA_COLOR_DARK_GREY = 8, + VGA_COLOR_LIGHT_BLUE = 9, + VGA_COLOR_LIGHT_GREEN = 10, + VGA_COLOR_LIGHT_CYAN = 11, + VGA_COLOR_LIGHT_RED = 12, + VGA_COLOR_LIGHT_MAGENTA = 13, + VGA_COLOR_LIGHT_BROWN = 14, + VGA_COLOR_WHITE = 15, +}; + +static inline uint8_t vga_entry_color(enum vga_color fg, enum vga_color bg) { + return fg | bg << 4; +} + +// returns the character/color of a terminal entry +static inline uint16_t vga_entry(unsigned char uc, uint8_t color) { + return (uint16_t) uc | (uint16_t) color << 8; +} + +#endif \ No newline at end of file -- cgit v1.2.3-70-g09d2