Printing stuff to screen

start32.asm

@@ -1,12 +1,6 @@
-;  Tutorial: A small kernel with Fasm & TCC
-;  By Tommy.
- 
-        format elf
-        use32
- 
-;
-; Equates
-;
+	format elf
+	use32
+
 MULTIBOOT_PAGE_ALIGN	    equ (1 shl 0)
 MULTIBOOT_MEMORY_INFO	    equ (1 shl 1)
 MULTIBOOT_AOUT_KLUDGE	    equ (1 shl 16)
@@ -14,30 +8,49 @@ MULTIBOOT_HEADER_MAGIC	    equ 0x1BADB002
 MULTIBOOT_HEADER_FLAGS	    equ MULTIBOOT_PAGE_ALIGN or MULTIBOOT_MEMORY_INFO
 MULTIBOOT_CHECKSUM          equ -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS)
 
-
-;
-; Multiboot header
-;
 .multiboot: align 4
 	dd MULTIBOOT_HEADER_MAGIC
 	dd MULTIBOOT_HEADER_FLAGS
 	dd MULTIBOOT_CHECKSUM
 
-
 section '.bss' writable align 16
 	stack_bottom:
 	rb 16384
 	stack_top:
 
-        section '.text' executable 
-;
-; Kernel entry point.
-;
-        public  _start
-        extrn   kmain
+section '.text' executable
+	public  _start
+	extrn   kmain
+
+disable_cursor:
+	pushf
+	push eax
+	push edx
+  
+	mov dx, 0x3D4
+	mov al, 0xA	; low cursor shape register
+	out dx, al
+  
+	inc dx
+	mov al, 0x20	; bits 6-7 unused, bit 5 disables the cursor, bits 0-4 control the cursor shape
+	out dx, al
+  
+	pop edx
+	pop eax
+	popf
+	ret
+
 _start:
-        ; Call the main kernel function.
-        call    kmain
- 
+	; Setup stack
+	;mov esp, stack_top
+
+	; Call the main kernel function.
+	call disable_cursor
+	call kmain
+
+
+
 @@:
-        jmp     @b
+	cli
+	hlt
+	jmp     @b