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uses
crt,
go32;
const
int1c = $1c;
var
oldint1c : tseginfo;
newint1c : tseginfo;
int1c_counter : Longint;
int1c_ds : Word; external name '___v2prt0_ds_alias';
procedure int1c_handler; assembler;
asm
cli
pushw %ds
pushw %ax
movw %cs:int1c_ds, %ax
movw %ax, %ds
incl int1c_counter
popw %ax
popw %ds
sti
iret
end;
var i : Longint;
begin
newint1c.offset := @int1c_handler;
newint1c.segment := get_cs;
get_pm_interrupt(int1c, oldint1c);
Writeln('-- Press any key to exit --');
set_pm_interrupt(int1c, newint1c);
while (not keypressed) do begin
gotoxy(1, wherey);
write('Number of interrupts occured : ', int1c_counter);
end;
set_pm_interrupt(int1c, oldint1c);
end.
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