Esempio n. 1
0
static int pp_write(CBM_FILE fd, unsigned char c1, unsigned char c2)
{
                                                                        SETSTATEDEBUG((void)0);
#ifndef USE_CBM_IEC_WAIT
    while(!cbm_iec_get(fd, IEC_DATA));
#else
    cbm_iec_wait(fd, IEC_DATA, 1);
#endif
                                                                        SETSTATEDEBUG((void)0);
    cbm_pp_write(fd, c1);
                                                                        SETSTATEDEBUG((void)0);
    cbm_iec_release(fd, IEC_CLOCK);
                                                                        SETSTATEDEBUG((void)0);
#ifndef USE_CBM_IEC_WAIT
    while(cbm_iec_get(fd, IEC_DATA));
#else
    cbm_iec_wait(fd, IEC_DATA, 0);
#endif

                                                                        SETSTATEDEBUG((void)0);
    cbm_pp_write(fd, c2);
                                                                        SETSTATEDEBUG((void)0);
    cbm_iec_set(fd, IEC_CLOCK);
                                                                        SETSTATEDEBUG((void)0);
#ifndef USE_CBM_IEC_WAIT
    while(!cbm_iec_get(fd, IEC_DATA));
#else
    cbm_iec_wait(fd, IEC_DATA, 1);
#endif

                                                                        SETSTATEDEBUG((void)0);
    return 0;
}
Esempio n. 2
0
static int pp_write(CBM_FILE fd, char c1, char c2)
{
    pp_check_direction(PP_WRITE);
#ifndef USE_CBM_IEC_WAIT
    while(!cbm_iec_get(fd, IEC_DATA));
#else
    cbm_iec_wait(fd, IEC_DATA, 1);
#endif
    cbm_pp_write(fd, c1);
    cbm_iec_release(fd, IEC_CLOCK);

#ifndef USE_CBM_IEC_WAIT
    while(cbm_iec_get(fd, IEC_DATA));
#else
    cbm_iec_wait(fd, IEC_DATA, 0);
#endif
    cbm_pp_write(fd, c2);
    cbm_iec_set(fd, IEC_CLOCK);

    return 0;
}