From cdc7b2ae532fd3a93e13784812f7501f2fd5c07a Mon Sep 17 00:00:00 2001 From: Benji Dial Date: Sat, 14 Dec 2019 18:31:34 -0500 Subject: more of bootloader, tiny kernel stub --- src/kernel/vga.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 src/kernel/vga.h (limited to 'src/kernel/vga.h') diff --git a/src/kernel/vga.h b/src/kernel/vga.h new file mode 100644 index 0000000..74a5d04 --- /dev/null +++ b/src/kernel/vga.h @@ -0,0 +1,31 @@ +/* +Copyright 2019 Benji Dial + +Permission to use, copy, modify, and/or distribute this +software for any purpose with or without fee is hereby +granted, provided that the above copyright notice and this +permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS +ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO +EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, +INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER +RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE +OF THIS SOFTWARE. +*/ + +#include + +#ifndef VGA_H +#define VGA_H + +#define VGA_BUFFER ((uint8_t *)0x000b8000) +void put_char(uint8_t ch); +void put_sz(uint8_t *s); +void move_cursor(uint8_t col, uint8_t row); +void set_color(uint8_t c); + +#endif \ No newline at end of file -- cgit v1.2.3