Added basic IO macros

Author: scopeInfinity

bootloader/constants.asm

@@ -0,0 +1,16 @@
+%define    C_BLACK               0 
+%define    C_BLUE                1 
+%define    C_GREEN               2 
+%define    C_CYAN                3 
+%define    C_RED                 4 
+%define    C_MAGENTA             5 
+%define    C_BROWN               6 
+%define    C_LIGHT_GRAY          7 
+%define    C_DARK_GRAY           8 
+%define    C_LIGHT_BLUE          9 
+%define    C_LIGHT_GREEN         A 
+%define    C_LIGHT_CYAN          B 
+%define    C_LIGHT_RED           C 
+%define    C_LIGHT_MAGENTA       D 
+%define    C_YELLOW              E 
+%define    C_WHITE               F

bootloader/io.asm

@@ -0,0 +1,47 @@
+%macro  print_string 4
+        ; Args: (str, len, x, y)
+        ; check es, bx
+        mov ax, 0x1301              ; (print string, update cursor)
+        mov bp, %1                  ; (es:bp string pointer)
+        mov cx, %2                  ; (string length)
+        mov dx, 0x%4%3              ; (pos_y, pos_x)
+        int 0x10
+%endmacro
+
+%macro  print_string_ext 7
+        ; Args: (str, len, x, y, fg_color, bg_color, page)
+        ; check es
+        mov bx, 0x%7%6%5            ; (pagenumber, attribute)
+        print_string %1, %2, %3, %4
+%endmacro
+
+%macro  put_chars 2
+        ; Args: (char, count)
+        mov ah, 0x09                 ; (write)
+        mov al, %1                   ; (char)
+        mov cx, %2                   ; (count)
+        int 0x10
+%endmacro
+
+%macro  put_chars_ext 5
+        ; Args: (char, count, fg_color, bg_color, page)
+        mov bx, 0x%5%4%3               ; (page, attribute)
+        put_chars %1, %2
+%endmacro
+
+%macro  read_char 0
+        ; Output: (ah: scan code, al: ascii code)
+        mov ah, 0x00                ; (read character)
+        int 0x16
+%endmacro
+
+%macro  set_blinking 1
+        ; Args: (should_blink)
+        ; check es
+        mov ax, 0x1003
+        mov bx, 0x000%1
+        int 10h
+%endmacro
+
+[SECTION .data]
+    digit_to_hex           db      "0123456789ABCDEF"

bootloader/main.asm

@@ -1,26 +1,37 @@
 ; Fuzzy Bootloader
+%include "constants.asm"
+%include "io.asm"
 
-ORG 0x7C00
-BITS 16
+[ORG 0x7C00]
+[BITS 16]
 
 
-SECTION .text
+[SECTION .text]
 
+        cli
         mov ax, 0x0000
         mov es, ax                  ; es := 0          
-        
-    start: 
-        mov ax, 0x1301              ; (print string, update cursor)
-        mov bx, 0x0007              ; (pagenumber, attribute)
-        mov bp, bl_welcome          ; (string pointer)
-        mov cx, bl_welcome_sz       ; (string length)
-        mov dx, bl_welcome_loc      ; (pos_y, pos_x)
-        int 0x10
-        hlt
-
-SECTION .data
 
-    bl_welcome         db      "Starting Fuzzy Bootloader... (^_^)"
-    bl_welcome_sz      equ     $-bl_welcome
-    bl_welcome_loc     equ     0x0101               ; (pos_y, pos_x)
+        set_blinking 0
+        print_string_ext bl_welcome, bl_welcome_len, 02, 02, C_BLACK, C_WHITE, 0
+        print_string_ext bl_op_os, bl_op_os_len, 05, 04, C_WHITE, C_BLACK, 0
+        print_string     bl_op_reboot, bl_op_reboot_len, 05, 05
+        print_string     bl_op_shutdown, bl_op_shutdown_len, 05, 06
+        print_string     bl_op_instrut, bl_op_instrut_len, 03, 08
+loop:
+        read_char
+        put_chars_ext    al, 1, C_GREEN, C_YELLOW, 0
+        jmp loop
+        hlt
 
+[SECTION .data]
+    bl_welcome             db      "Fuzzy OS... (^_^)"
+    bl_welcome_len         equ       ($-bl_welcome)
+    bl_op_os               db      "A. Load OS"
+    bl_op_os_len           equ       ($-bl_op_os)
+    bl_op_reboot           db      "B. Reboot"
+    bl_op_reboot_len       equ       ($-bl_op_reboot)
+    bl_op_shutdown         db      "C. Shutdown"
+    bl_op_shutdown_len     equ       ($-bl_op_shutdown)
+    bl_op_instrut          db      "Press A/B/C key to continue..."
+    bl_op_instrut_len      equ       ($-bl_op_instrut)