org 0x7C00                      ; BIOS loads our programm at this address
bits 16                         ; We're working at 16-bit mode here

;%1 is string to 
print MACRO 1
	mov si, %1
	mov ah, 0x0E
	.loop lodsb
	or al, al
	jz done
	int 0x10
	jmp .loop
done:
	%ENDMACRO
	
;%1 is prompt to output
;%2 is memory address to put string
input_line %MACRO 2
	
	print %1
	mov cl, 
get_key:
	mov ah, 00h
	int 16h
	mov bh, al ;
	cmp bh, 1C ;check to see if we user pressed enter. If so, we are done with input
	je done
	;if we aren't done
	mov si, al ;move the recieved ascii character into si
	inc si	   ;move on to the next character
	jmp get_key
	
done:
	mov %2, si
	
	%ENDMACRO
	
start:

	mov ah, 2
	mov bh, 0
	mov dh, 10
	mov dl, 17
	int 10h

	;cli                     ; Disable the interrupts
	mov si, msg             ; SI now points to our message
	mov ah, 0x0E            ; Indicate BIOS we're going to print chars
.loop	lodsb                   ; Loads SI into AL and increments SI [next char]
	or al, al               ; Checks if the end of the string
	jz msg_done                 ; Jump to halt if the end
	int 0x10                ; Otherwise, call interrupt for printing the char
	jmp .loop               ; Next iteration of the loop

	;sti 		;set our interrupts up for use again
msg_done:
	
	mov ah, 2
	mov bh, 0
	mov dh, 15
	mov dl, 25
	int 10h

	mov si, msg2             ; SI now points to our message
	mov ah, 0x0E            ; Indicate BIOS we're going to print chars
.loop	lodsb                   ; Loads SI into AL and increments SI [next char]
	or al, al               ; Checks if the end of the string
	jz msg2_done                 ; Jump to halt if the end
	int 0x10                ; Otherwise, call interrupt for printing the char
	jmp .loop               ; Next iteration of the loop
msg2_done:

get_keyboard:
	mov ah, 00h
	int 16h
	mov bl, ah
	cmp bl, 1C
	jne  get_keyboard
	
	;
	;print out username:
	print uname_prompt
	
	;
	;read in username
	
	;
	;print out password:
	print p_prompt
	
	;
	;read in password
	
	;mov ah, 0x00
	;mov al, 0x13
	;int 10h

	;mov ah, 0x09
	;mov al, 0x05
	;mov bh, 0x00
	;mov bl, 4
	;mov cx, 1
	;int 10h

halt:	hlt                     ; CPU command to halt the execution
msg:	db "Behold, My Glorious Operating System!", 0   ; Our actual message to print
msg2:	db "(please press enter)", 0
uname_prompt:	db "username:", 0
p_prompt:		db "password", 0
;; Magic numbers
times 510 - ($ - $$) db 0
dw 0xAA55


;Taka
org 0x7C00                      ; BIOS loads our programm at this address
bits 16                         ; We're working at 16-bit mode here

jmp main



clear_screen:
	mov ax, 0600h
	mov bh, 17h
	mov cx, 00
	mov dx, 184Fh
	int 10h
	nop
	ret

mov_cursor:
	mov ah, 2
	mov bh, 0
	mov dh, 10
	mov dl, 17
	int 10h
	ret

display_string:
	.loop lodsb   
	or al, al               ; Checks if the end of the string
	jz done                 ; Jump to halt if the end
	int 0x10                ; Otherwise, call interrupt for printing the char
	jmp .loop
	done:
	ret

mov_cursor2:
	
	mov ah, 2
	mov bh, 0
	mov dh, 15
	mov dl, 25
	int 10h
	ret

get_chars:
	mov ah, 01
	int 21h
	ret

;get_input:
	;mov ah, 00h
	;int 16h

next_phase:
	call clear_screen

halt:	hlt                     ; CPU command to halt the execution
msg:	db "Behold, My Glorious Operating System!", 0   ; Our actual message to print
msg2:	db "(please press enter)", 0
msg3:	db "AAAAAAAAAAAAAAAAA", 0
;; Magic numbers
main:
	call clear_screen
	call mov_cursor

	mov si, msg             ; SI now points to our message
	mov ah, 0x0E

	call display_string
	call mov_cursor2

	mov si, msg2
	mov ah, 0x0E; set instruction id
	call display_string

	mov al, 30h

	call get_chars
	cmp al, 30h
	jg next_phase


times 510 - ($ - $$) db 0
dw 0xAA55