Made a common directory, moved the protmode print there

1 files changed, 27 insertions, 0 deletions

diff --git a/src/common/common.asm b/src/common/common.asm
new file mode 100644
index 0000000..a98ef67
--- /dev/null
+++ b/src/common/common.asm
@@ -0,0 +1,27 @@
+;; common.asm
+%ifndef COMMON_ASM
+%define COMMON_ASM
+
+;; Real mode constants
+%define READ_SECTORS_NUM 16
+%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)
+
+;; Forth-specific constants
+%define FS_DATA_STACK 0x80000
+%define FS_RET_STACK 0x90000
+%define FS_DICT_BASE 0xa0000
+
+%endif