{ myska.pas                                                          }
{ Unit myska pre program htmlview.                                   }
{                                                                    }
{ Author: Ľuboš Saloky                                               }
{ Datum:02.02.2008                              http://www.trsek.com }
 
{$G+}
unit Myska;
                                INTERFACE
const Lave:byte=1;
      Prave:byte=2;
      Stredne:byte=4; {len pre PC AT}
procedure StavMysi(var JeInstalovany:boolean;var PocetTlacidiel:byte);
function JeMys:boolean; { jednoduchsia verzia Stav-u Mysi }
procedure ZapniKurzorMysi;
procedure VypniKurzorMysi;
procedure OknoKurzora(x1,x2,y1,y2:word);
procedure ZistiPoziciu(var x,y:word;var Tlacidla:byte);
procedure NastavKurzor(x,y:word);
procedure CakajNaPustenie;
                             IMPLEMENTATION
procedure StavMysi(var JeInstalovany:boolean;var PocetTlacidiel:byte);
var pom1,pom2:integer;
begin
  asm
    mov ax,0
    int 33h
    mov pom1,ax
    mov pom2,bx
  end;
  if pom1=0 then JeInstalovany:=False
  else JeInstalovany:=True;
  case pom2 of
    -1:PocetTlacidiel:=0;
     0:PocetTlacidiel:=2; {MS AT}
     3:PocetTlacidiel:=3; {PC AT}
  end;
end;
function JeMys:boolean;assembler;
asm
    xor ax,ax
    int 33h
end;
procedure ZapniKurzorMysi;assembler;
asm
    mov ax,1
    int 33h
end;
procedure VypniKurzorMysi;assembler;
asm
    mov ax,2
    int 33h
end;
procedure OknoKurzora(x1,x2,y1,y2:word);assembler;
asm
    mov ax,7
    mov cx,x1
    mov dx,x2
    int 33h
    mov ax,8
    mov cx,y1
    mov dx,y2
    int 33h
end;
procedure ZistiPoziciu(var x,y:word;var Tlacidla:byte);
var px,py:word;Ptlacidla:byte;
begin
  asm
    mov ax,3
    int $33
    mov px,cx
    mov py,dx
    mov pTlacidla,bl
  end;
  x:=px;y:=py;tlacidla:=ptlacidla;
end;
procedure NastavKurzor(x,y:word);assembler;
asm
    mov ax,4
    mov cx,x
    mov dx,y
    int 33h
end;
procedure CakajNaPustenie;assembler;
asm
@Cakaj: mov ax,3
    int 33h
    cmp bx,0
    jne @Cakaj
end;
BEGIN
END.