Display all characters from BIOS font

fontthief.asm

[org 0x7c00]
[bits 16]

;Stack setup
mov bp, 0xfffe
mov sp, bp

;Switch into mode 13h
mov ah, 0x00
mov al, 0x13
int 0x10

mov al, 0
mov dl, 0
hor_loop:
	cmp dl, 11
	jae hor_loop_end
	call pcol
	inc dl
	add al, 25
	jmp hor_loop
hor_loop_end:
jmp $

;al - start char
;dl - col
pcol:
	pushf
	pusha
	pcol_loop:
		cmp dh, 25
		jae pcol_end
		mov ah, 2
		mov bx, 0
		int 0x10
		mov ah, 0xe
		mov bx, 0x0007
		int 0x10
		inc al
		inc dh
		jmp pcol_loop
	pcol_end:
	popa
	popf
	ret

times 510 - ( $ - $$ ) db 0
dw 0xaa55