section .text
global _start
_start:
finit
fld qword [zmA]		;st4 = A
fld qword [zmB]		;st3 = B
fld qword [zmC]		;st2 = C
fld qword [mnoznik]	;st1 = mnoznik
fldz			;st0 = 0

fadd	st0, st3	;st5 = A
fmul	st0, st3	;st4 = B
fldz			;st3 = C
			;st2 = mnoznik
			;st1 = b^2
			;st0 = 0

fadd	st0, st5	;st6 = A
fmul	st0, st3	;st5 = B
fmul	st0, st2	;st4 = C
fldz			;st3 = mnoznik
			;st2 = b^2
			;st1 = 4ac
			;st0 = 0

fadd	st0, st2
fsub	st0, st1
fsqrt

fist	dword [temp]
mov	al, [temp]
add	al, 48
mov	[znak], al

mov	eax, 4
mov	ebx, 1
mov	ecx, znak
mov	edx, 1
int	80h

fldz			;st8 = A
			;st7 = B
			;st6 = C
			;st5 = mnoznik
			;st4 = b^2
			;st3 = 4ac
			;st2 = delta
			;st1 = 2a
			;st0 = 0

fadd	st0, st7
fadd	st0, st7
fldz

fsub	st0, st7
fsub	st0, st2
fdiv	st0, st1

fist	dword [temp1]
mov	al, [temp1]
add	al, 48
mov	[znak1], al

mov	eax, 4
mov	ebx, 1
mov	ecx, znak1
mov	edx, 1
int	80h

mov	eax, 1
int	80h

section .data
zmA dq 1.0
zmB dq -5.0
zmC dq 4.0
mnoznik dq 4.0
temp dd 0
znak db 0
temp1 dd 0
znak1 db 0