/*
 Simula un falso puerto de comunicaciones.
 */
#ifndef __SIMULATED_COM_PORT_H__
#define __SIMULATED_COM_PORT_H__

#define FAKE_COM_PORT_CONTROL_REG 0x100
#define FAKE_COM_PORT_DATA_REG 0x101

/*
 * Depending on the value of port:
 *
 * FAKE_COM_PORT_CONTROL_REG: the communication port is initialized
 *
 * Any other value: no effect
 */
extern void fake_com_port_outb(unsigned short port, char val);

/*
 * Depending on the value of port:
 *
 * FAKE_COM_PORT_DATA_REG: Returns the last byte received
 *
 * FAKE_COM_PORT_CONTROL_REG: returns 0x01 when there is new data
 * available and 0x00 in other case
 *
 * Any other value: returns 0x00 
 */
extern char fake_com_port_inb(unsigned short port);

#endif // __SIMULATED_COM_PORT_H__