Initial Commit of files

src/boot/boot.asm

@@ -0,0 +1,61 @@
+; Set up the segment registers
+   xor ax, ax
+   mov ds, ax
+   mov es, ax
+
+   ; Set up stack and jump to main
+   mov ss, ax
+   mov sp, 0x7c00
+   jmp main
+
+   ; Print 'Booting ClassicOS!' to the screen
+   print:
+       mov si, message
+       mov ah, 0x0e
+   .loop:
+       lodsb
+       test al, al
+       jz .done
+       int 0x10
+       jmp .loop
+   .done:
+       ret
+
+   ; Set the video mode to a 40 column text mode
+   set_video_mode:
+       mov ax, 0x0003    ; Set up a 80x25 text mode
+       int 0x10
+
+       ; Set the number of columns to 40
+       mov ax, 0x1112
+       mov bx, 0x0007
+       int 0x10
+
+       ret
+
+   ; Bootloader entry point
+   main:
+       ; Call the set_video_mode function
+       call set_video_mode
+
+       ; Clear the screen
+       mov ah, 0x06
+       mov al, 0
+       xor bx, bx
+       xor cx, cx
+       mov dh, 24
+       mov dl, 39
+       int 0x10
+
+       ; Call the print function
+       call print
+
+       ; Infinite loop
+   .loop:
+       jmp .loop
+
+   ; Message to print
+   message db 'Booting ClassicOS!', 0
+
+   times 510-($-$$) db 0
+   dw 0xaa55

src/boot/linker.ld

@@ -0,0 +1,8 @@
+ ENTRY(boot)
+     SECTIONS {
+       . = 0x7c00;
+       .text : {
+         *(.text)
+       }
+       /* Add other sections as needed */
+     }