Delete boot.asm

boot.asm

@@ -1,120 +0,0 @@
-[bits 16]               ; Set to 16-bit mode
-[org 0x7C00]           ; BIOS loads the bootloader at this address
-
-; Define GDT
-gdt_start:
-    dw 0x0000          ; Limit (low)
-    dw 0x0000          ; Base (low)
-    db 0x00            ; Base (mid)
-    db 0x9A            ; Access byte: Present, ring 0, executable
-    db 0xCF            ; Flags: Granularity, 32-bit
-    db 0x00            ; Base (high)
-
-    dw 0x0000          ; Limit (low)
-    dw 0x0000          ; Base (low)
-    db 0x00            ; Base (mid)
-    db 0x92            ; Access byte: Present, ring 0, writable
-    db 0xCF            ; Flags: Granularity, 32-bit
-    db 0x00            ; Base (high)
-
-gdt_descriptor:
-    dw gdt_end - gdt_start - 1   ; Limit
-    dd gdt_start                   ; Base address
-
-gdt_end:
-
-start:
-    cli                     ; Disable interrupts
-    lgdt [gdt_descriptor]   ; Load GDT
-    mov eax, cr0           ; Read CR0 register
-    or eax, 1              ; Set PE bit (Protected Mode Enable)
-    mov cr0, eax           ; Write back to CR0
-
-    jmp 0x08:protected_mode_entry ; Far jump to flush the pipeline
-
-protected_mode_entry:
-    mov ax, 0              ; Set data segment to the new segment
-    mov ds, ax             ; Load data segment register
-    mov es, ax             ; Load extra segment register
-    mov fs, ax             ; Load fs segment register
-    mov gs, ax             ; Load gs segment register
-
-    call clear_screen      ; Clear the screen
-    mov si, welcome_message 
-    call print_string_protected
-    
-command_loop:
-    mov si, prompt_message
-    call print_string_protected
-
-    call read_input
-
-    cmp al, 'h'      ; Check for 'h' command (help)
-    je print_help
-    cmp al, 'q'      ; Check for 'q' command (quit)
-    je quit_terminal
-    cmp al, 'f'      ; Check for 'f' command (heckerfetch)
-    je heckerfetch
-    
-    mov si, unknown_command_message
-    call print_string_protected
-    jmp command_loop  ; Repeat the command loop
-
-print_help:
-    mov si, help_message
-    call print_string_protected
-    jmp command_loop  ; Return to command loop
-
-heckerfetch:
-    mov si, heckerfetch_message
-    call print_string_protected
-    jmp command_loop  ; Return to command loop
-
-quit_terminal:
-    mov si, goodbye_message
-    call print_string_protected
-    jmp hang          ; Hang the system
-
-; Function to read a character from keyboard input
-read_input:
-    xor eax, eax       ; Clear EAX for reading character input
-    int 0x16          ; Call BIOS interrupt to read a character into AL
-    ret                ; Return with character in AL
-
-; Function to print a string in protected mode using VGA text buffer
-print_string_protected:
-    mov edi, 0xb8000     ; VGA text buffer address
-.next_char:
-    lodsb                ; Load byte at DS:SI into AL and increment SI
-    cmp al, 0           ; Check for null terminator
-    je .done            ; If null, we are done
-    mov [edi], ax       ; Write character and attribute (white on black)
-    add edi, 2          ; Move to next character cell
-    jmp .next_char      ; Repeat for next character
-.done:
-    ret                  ; Return from function
-
-; Function to clear the screen in protected mode
-clear_screen:
-   xor di, di           ; Start from the beginning of the VGA buffer 
-   mov cx, 80 * 25      ; Number of characters in a standard text mode screen 
-   mov ax, 0x07        ; Attribute for white on black background 
-.fill_screen:
-   stosw                ; Store word in [ES:DI] and increment DI by 2 
-   loop .fill_screen     ; Repeat until CX is zero 
-   ret                  ; Return from function
-
-; Data section for messages 
-welcome_message db 'Welcome to the HeckerOS!', 0 
-prompt_message db 'Enter command (h for help, q to quit, f for heckerfetch): ', 0 
-help_message db 'Available commands: h (help), q (quit), f (heckerfetch)', 0 
-unknown_command_message db 'Unknown command! Try again.', 0 
-goodbye_message db 'Goodbye!', 0 
-heckerfetch_message db 'OS: HeckerOS Beta, CPU: HeckerSoft Generic CPU 0GHZ', 'Host: HeckerSoft Unknown Host', 0 
-
-; Bootloader signature (must be present) 
-times 510 - ($ - $$) db 0   ; Fill the rest of the sector with zeros 
-dw 0xAA55                   ; Boot signature 
-
-hang:
-   jmp hang           ; Jump to hang indefinitely