t_stat read_card (int32 ilnt, int32 mod)
{
int32 i, cbn, c1, c2;
t_stat r;
if (sim_is_active (&cdr_unit)) { /* busy? */
sim_cancel (&cdr_unit); /* cancel */
if (r = cdr_svc (&cdr_unit)) /* process */
return r;
}
if ((cdr_unit.flags & UNIT_ATT) == 0) /* attached? */
return SCPE_UNATT;
ind[IN_READ] = ind[IN_LST] = s1sel = s2sel = 0; /* default stacker */
cbn = ((ilnt == 2) || (ilnt == 5)) && (mod == BCD_C); /* col binary? */
for (i = 0; i < 2 * CBUFSIZE; i++) /* clear extended buf */
rbuf[i] = 0;
fgets (rbuf, (cbn)? 2 * CBUFSIZE: CBUFSIZE, /* rd bin/char card */
cdr_unit.fileref);
if (feof (cdr_unit.fileref)) /* eof? */
return STOP_NOCD;
if (ferror (cdr_unit.fileref)) { /* error? */
ind[IN_READ] = 1;
perror ("Card reader I/O error");
clearerr (cdr_unit.fileref);
if (iochk)
return SCPE_IOERR;
return SCPE_OK;
}
cdr_unit.pos = ftell (cdr_unit.fileref); /* update position */
if (ssa) { /* if last cd on */
getc (cdr_unit.fileref); /* see if more */
if (feof (cdr_unit.fileref)) /* eof? set flag */
ind[IN_LST] = 1;
fseek (cdr_unit.fileref, cdr_unit.pos, SEEK_SET);
}
if (cbn) { /* column binary */
for (i = 0; i < CDR_WIDTH; i++) {
if (conv_old) {
c1 = ascii2bcd (rbuf[i]);
c2 = ascii2bcd (rbuf[CDR_WIDTH + i]);
}
else {
c1 = ascii2bcd (rbuf[2 * i]);
c2 = ascii2bcd (rbuf[(2 * i) + 1]);
}
M[CD_CBUF1 + i] = (M[CD_CBUF1 + i] & WM) | c1;
M[CD_CBUF2 + i] = (M[CD_CBUF2 + i] & WM) | c2;
M[CDR_BUF + i] = colbin_to_bcd ((c1 << 6) | c2);
} /* end for i */
} /* end if col bin */
else { /* normal read */
for (i = 0; i < CDR_WIDTH; i++) { /* cvt to BCD */
rbuf[i] = ascii2bcd (rbuf[i]);
M[CDR_BUF + i] = (M[CDR_BUF + i] & WM) | rbuf[i];
}
}
M[CDR_BUF - 1] = 060; /* mem mark */
sim_activate (&cdr_unit, cdr_unit.wait); /* activate */
return SCPE_OK;
}
t_stat read_card (int32 ilnt, int32 mod)
{
int32 i, cbn, c1, c2, cbufsz;
t_stat r;
if (sim_is_active (&cdr_unit)) { /* busy? */
sim_cancel (&cdr_unit); /* cancel */
if ((r = cdr_svc (&cdr_unit))) /* process */
return r;
}
ind[IN_READ] = ind[IN_LST] = s1sel = s2sel = 0; /* default stacker */
cbn = ((ilnt == 2) || (ilnt == 5)) && (mod == BCD_C); /* col binary? */
cbufsz = (cbn)? 2 * CBUFSIZE: CBUFSIZE; /* buffer size */
for (i = 0; i < (2 * CBUFSIZE) + 1; i++) /* clear extended buf */
cdr_buf[i] = 0;
if ((cdr_unit.flags & UNIT_ATT) != 0) /* attached? */
r = cdr_read_file (cdr_buf, cbufsz); /* read from file */
else if ((cdr_unit.flags & UNIT_CONS) != 0) /* default to console? */
r = cdr_read_cons (cdr_buf, cbufsz); /* read from console */
else return SCPE_UNATT; /* else can't read */
if (r != SCPE_OK) /* read error? */
return r; /* can't read */
if (cbn) { /* column binary? */
for (i = 0; i < CDR_WIDTH; i++) {
if (conv_old) {
c1 = ascii2bcd (cdr_buf[i]);
c2 = ascii2bcd (cdr_buf[CDR_WIDTH + i]);
}
else {
c1 = ascii2bcd (cdr_buf[2 * i]);
c2 = ascii2bcd (cdr_buf[(2 * i) + 1]);
}
M[CD_CBUF1 + i] = (M[CD_CBUF1 + i] & WM) | c1;
M[CD_CBUF2 + i] = (M[CD_CBUF2 + i] & WM) | c2;
M[CDR_BUF + i] = colbin_to_bcd ((c1 << 6) | c2);
}
} /* end if col bin */
else { /* normal read */
for (i = 0; i < CDR_WIDTH; i++) { /* cvt to BCD */
c1 = ascii2bcd (cdr_buf[i]);
M[CDR_BUF + i] = (M[CDR_BUF + i] & WM) | c1;
}
}
M[CDR_BUF - 1] = 060; /* mem mark */
sim_activate (&cdr_unit, cdr_unit.wait); /* activate */
return SCPE_OK;
}
t_stat inq_io (int32 flag, int32 mod)
{
int32 i, t, wm_seen = 0;
t_bool use_h = inq_unit.flags & UNIT_PCH;
ind[IN_INC] = 0; /* clear inq clear */
switch (mod) { /* case on mod */
case BCD_R: /* input */
/* if (ind[IN_INR] == 0) */
/* return SCPE_OK; *//* return if no req */
ind[IN_INR] = 0; /* clear req */
inq_puts ("[Enter]\r\n"); /* prompt */
for (i = 0; M[BS] != (BCD_GRPMRK + WM); i++) { /* until GM + WM */
while (((t = sim_poll_kbd ()) == SCPE_OK) ||
(t & SCPE_BREAK)) {
if (stop_cpu) /* interrupt? */
return SCPE_STOP;
}
if (t < SCPE_KFLAG) /* if not char, err */
return t;
t = t & 0177;
if ((t == '\r') || (t == '\n'))
break;
if (t == inq_char) { /* cancel? */
ind[IN_INC] = 1; /* set indicator */
inq_puts ("\r\n[Canceled]\r\n");
return SCPE_OK;
}
if (i && ((i % INQ_WIDTH) == 0))
inq_puts ("\r\n");
sim_putchar (t); /* echo */
if (flag == MD_WM) { /* word mark mode? */
if ((t == '~') && (wm_seen == 0))
wm_seen = WM;
else {
M[BS] = wm_seen | ascii2bcd (t);
wm_seen = 0;
}
}
else M[BS] = (M[BS] & WM) | ascii2bcd (t);
if (!wm_seen)
BS++;
if (ADDR_ERR (BS)) {
BS = BA | (BS % MAXMEMSIZE);
return STOP_NXM;
}
}
inq_puts ("\r\n");
M[BS++] = BCD_GRPMRK + WM;
break;
case BCD_W: /* output */
for (i = 0; (t = M[BS++]) != (BCD_GRPMRK + WM); i++) {
if ((flag == MD_WM) && (t & WM)) {
if (i && ((i % INQ_WIDTH) == 0))
inq_puts ("\r\n");
if (conv_old)
sim_putchar ('~');
else sim_putchar ('`');
}
if (i && ((i % INQ_WIDTH) == 0))
inq_puts ("\r\n");
sim_putchar (bcd2ascii (t & CHAR, use_h));
if (ADDR_ERR (BS)) {
BS = BA | (BS % MAXMEMSIZE);
return STOP_NXM;
}
}
inq_puts ("\r\n");
break;
default: /* invalid mod */
return STOP_INVM;
}
return SCPE_OK;
}