;---------Phase Three: Print a string on screen------------------------


BITS 16	; You should know that the operating system is 16 bits at the beginning, this will support BIOS INT Calls.
ORG 0x7c00	; This bootload start at this memeory address (This is just something to remember)

jmp short Start

Print:
	lodsb	; This loads the string into bytes
	cmp al, 0; This compares al "Character" with 0
	je Next
	mov ah, 0eh
	int 10h
	jmp Print

Start:

	mov si, msg
	call Print 	; This will call Print function

Next: ; After printing the welcome message, you go to here

	; int 16h used for reading in a character
	mov ah, 0x0
	int 16h

	; int 19h used for loading operating system, here for rebooting system
	int 19h

	cli
	hlt

	; db stands for "define byte"
	; 0x0a stands for "newline"
	; 0x0d stands for "return"
	msg db "Welcome to your tiny system!", 0x0a, 0x0d, \
		   "Press any key...", 0

	; $ evaluates to the assembly position at the beginning of the line containing the expression; so you can code
	; an infinite loop using JMP $. $$ evaluates to the beginning of the current section; so you can tell how far 
	; into section you are by using ($ - $$)
	times 510 - ($ - $$) db 0
	dw 0xAA55