1 files changed, 0 insertions, 176 deletions
diff --git a/stage3/framebuffer.asm b/stage3/framebuffer.asm
deleted file mode 100644
index e55ad04..0000000
--- a/stage3/framebuffer.asm
+++ /dev/null
@@ -1,176 +0,0 @@
-%include "stage3/colors.asm"
-global print_chr, print_str, print_dec, print_hex, clear_screen, newline
-extern memcpy
-
-section .data
-
-pos:
-.row: db 0
-.col: db 0
-
-cursor: dq 0xB8000
-color: db COLOR_WHITE | (COLOR_BLACK << 4)
-
-section .text
-
-set_color:
-	shl sil, 4
-	add dil, sil
-	mov [color], dil
-
-update_cursor:
-	mov rbx, [cursor]
-	sub rbx, 0xB8000
-	shr rbx, 1
-
-	mov dx, 0x3D4
-	mov al, 14
-	out dx, al
-
-	mov dx, 0x3D5
-	mov al, bh
-	out dx, al
-
-	mov dx, 0x3D4
-	mov al, 15
-	out dx, al
-
-	mov dx, 0x3D5
-	mov al, bl
-	out dx, al
-
-	ret
-
-set_chr:
-	mov rax, [cursor]
-	mov byte[rax], dil
-	inc rax
-	mov dil, [color]
-	mov [rax], dil
-	inc rax
-	mov [cursor], rax
-	jmp update_cursor
-
-vertical_tab:
-	mov al, [pos.row]
-	inc al
-	cmp al, 25
-	je .scroll
-	mov [pos.row], al
-	mov rax, [cursor]
-	add rax, 160
-	mov [cursor], rax
-	jmp update_cursor
-.scroll:
-	mov rdi, 0xB8000
-	mov rsi, 0xB80A0
-	mov rdx, 0xF00
-	jmp memcpy
-
-carriage_return:
-	mov rax, [cursor]
-	xor rbx, rbx
-	mov bl, [pos.col]
-	shl bl, 1
-	sub rax, rbx
-	mov [cursor], rax
-	mov byte[pos.col], 0
-	jmp update_cursor
-
-newline:
-	call vertical_tab
-	jmp carriage_return
-
-print_chr:
-	cmp dil, 10
-	je newline
-	cmp dil, 11
-	je vertical_tab
-	cmp dil, 13
-	je carriage_return
-	mov al, [pos.col]
-	inc al
-	cmp al, 80
-	je .newline
-	mov [pos.col], al
-	jmp set_chr
-.newline:
-	push rdi
-	call newline
-	pop rdi
-	jmp set_chr
-
-print_str:
-	mov rax, rdi
-.print:
-	mov dil, [rax]
-	cmp dil, 0
-	je .return
-	push rax
-	call print_chr
-	pop rax
-	inc rax
-	jmp .print
-.return:
-	ret
-
-print_hex:
-	mov rsi, 0x10
-	jmp print_num
-print_dec:
-	mov rsi, 10
-print_num:
-	mov rax, rdi
-	xor rcx, rcx
-.convert:
-	inc rcx
-	xor rdx, rdx
-	div rsi
-	cmp dl, 10
-	jb .digit
-	add dl, 'A'-10
-	jmp .next
-.digit:
-	add dl, '0'
-.next:
-	push rdx
-	cmp rax, 0
-	jne .convert
-.print:
-	cmp rcx, 0
-	je .return
-	dec rcx
-	pop rdi
-	push rcx
-	call print_chr
-	pop rcx
-	jmp .print
-.return:
-	ret
-
-clear_screen:
-	push rbx
-	push r12
-	push r13
-	push r14
-	push r15
-
-	mov qword[cursor], 0xB8000
-.clr:
-	cmp qword[cursor], 0xB8FA0
-	je .return
-	mov dil, ' '
-	call set_chr
-	jmp .clr
-.return:
-	mov qword[cursor], 0xB8000
-	mov byte[pos.row], 0
-	mov byte[pos.col], 0
-	call update_cursor
-
-	pop r15
-	pop r14
-	pop r13
-	pop r12
-	pop rbx
-	ret