program twosComplement;
#include("stdlib.hhf")

static
    pos_value:	int8;
    neg_value:	int8;

begin twosComplement;

    stdout.put( "Enter an integer between 0 and 127: " );
    stdin.get( pos_value );
    stdout.put( nl, "Value in hex: $" );
    stdout.puth8( pos_value );

    mov( pos_value, al );
    // not ( al );
    // stdout.put( nl, "Invert all the bits: $", al, nl);
    // add( 1, al );
    neg( al );
    // stdout.put( "Add one: $", al, nl );
    mov( al, neg_value );
    stdout.put( nl, "Result in decimal: ", neg_value, nl);

end twosComplement;