blob: 7972b758c4cce3d31e9da71a52f8f7c92dc42d3d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
;; common.asm
%ifndef COMMON_ASM
%define COMMON_ASM
;; Real mode constants
%define READ_SECTORS_NUM 1
%define BOOT_LOAD_ADDR 0x7c00
%define STAGE2_ADDR 0x7e00
%define SECTOR_SIZE 512
%define STACK_ADDR 0x9c00
;; Mostly kernel and protected mode constants
%define VGA_COLOR_BLACK 0
%define VGA_COLOR_GREEN 2
%define VGA_COLOR_RED 4
%define VGA_WHITE_ON_BLACK 0x0f20
%define VGA_BUFFER 0xb8000
%define VGA_SCREEN_X 80
%define VGA_SCREEN_Y 25
%define VGA_SCREEN (VGA_SCREEN_X*VGA_SCREEN_Y)
%endif
|
