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

static
    i8:		int8;
    i16:	int16;
    i32:	int32;

begin signExtension;

    stdout.put("Enter a small negative number: ");
    stdin.get(i8);
    stdout.put(nl, "Sign extension using CBW and CWDE:", nl, nl);

	mov(i8, al);
	stdout.put("You entered ", i8, " ($", al, ")", nl);

	cbw(); // ??? must be sign extending the value in `al` to `ax`
	mov(ax, i16);
	stdout.put("16-bit sign extension: ", i16, " ($", ax, ")", nl);