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mirror of https://github.com/simh/simh.git synced 2026-04-25 19:51:25 +00:00

SDS: Add Card Reader and Card Punch devices

This commit is contained in:
Ken Rector
2020-12-27 13:51:07 -08:00
committed by Mark Pizzolato
parent 541d1c3c90
commit 79878eb6ed
17 changed files with 1010 additions and 163 deletions

View File

@@ -1,6 +1,6 @@
/* sds_stddev.c: SDS 940 standard devices
Copyright (c) 2001-2008, Robert M. Supnik
Copyright (c) 2001-2020, Robert M. Supnik
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
@@ -28,11 +28,13 @@
tti keyboard
tto teleprinter
23-Oct-20 RMS TTO recognizes no leader flag (Ken Rector)
29-Dec-03 RMS Added console backpressure support
25-Apr-03 RMS Revised for extended file support
*/
#include "sds_defs.h"
#include "sim_tmxr.h"
#define TT_CR 052 /* typewriter */
#define TT_TB 072
@@ -44,9 +46,10 @@ int32 ptr_sor = 0; /* start of rec */
int32 ptr_stopioe = 0; /* no stop on err */
int32 ptp_ldr = 0; /* no leader */
int32 ptp_stopioe = 1;
int32 tto_ldr = 0; /* no leader */
int32 tto_retry = 0; /* retry due to stall */
DSPT std_tplt[] = { { 1, 0 }, { 0, 0 } }; /* template */
DEVICE ptr_dev, ptp_dev;
t_stat ptr (uint32 fnc, uint32 inst, uint32 *dat);
t_stat ptr_svc (UNIT *uptr);
t_stat ptr_reset (DEVICE *dptr);
@@ -63,9 +66,9 @@ t_stat tti_reset (DEVICE *dptr);
t_stat tto (uint32 fnc, uint32 inst, uint32 *dat);
t_stat tto_svc (UNIT *uptr);
t_stat tto_reset (DEVICE *dptr);
t_stat tto_out (int32 dat);
int8 ascii_to_sds(int8 ch);
int8 sds_to_ascii(int8 ch);
extern const int8 odd_par[64];
/* PTR data structures
@@ -189,6 +192,8 @@ UNIT tto_unit = { UDATA (&tto_svc, 0, 0), SERIAL_OUT_WAIT };
REG tto_reg[] = {
{ ORDATA (BUF, tto_unit.buf, 6) },
{ FLDATA (XFR, xfr_req, XFR_V_TTO) },
{ FLDATA (LDR, tto_ldr, 0) },
{ FLDATA (RETRY, tto_retry, 0), REG_HRO },
{ DRDATA (POS, tto_unit.pos, T_ADDR_W), PV_LEFT },
{ DRDATA (TIME, tto_unit.wait, 24), REG_NZ + PV_LEFT },
{ NULL }
@@ -279,7 +284,7 @@ if ((temp = getc (ptr_unit.fileref)) == EOF) { /* end of file? */
sim_printf ("PTR end of file\n");
else return SCPE_OK;
}
else perror ("PTR I/O error"); /* I/O error */
else sim_perror ("PTR I/O error"); /* I/O error */
clearerr (ptr_unit.fileref);
return SCPE_IOERR;
}
@@ -413,7 +418,7 @@ if ((ptp_unit.flags & UNIT_ATT) == 0) { /* attached? */
}
if (putc (dat, ptp_unit.fileref) == EOF) { /* I/O error? */
ptp_set_err (); /* yes, disc, err */
perror ("PTP I/O error"); /* print msg */
sim_perror ("PTP I/O error"); /* print msg */
clearerr (ptp_unit.fileref);
return SCPE_IOERR;
}
@@ -504,7 +509,7 @@ if (temp & SCPE_BREAK) /* ignore break */
return SCPE_OK;
temp = temp & 0177;
tti_unit.pos = tti_unit.pos + 1;
if (ascii_to_sds(temp) >= 0) {
if (ascii_to_sds (temp) >= 0) {
tti_unit.buf = ascii_to_sds(temp); /* internal rep */
sim_putchar (temp); /* echo */
if (temp == '\r') /* lf after cr */
@@ -517,6 +522,7 @@ return SCPE_OK;
t_stat tti_reset (DEVICE *dptr)
{
tmxr_set_console_units (&tti_unit, &tto_unit);
chan_disc (tti_dib.chan); /* disconnect */
tti_unit.buf = 0; /* clear state */
xfr_req = xfr_req & ~XFR_TTI; /* clr xfr flag */
@@ -536,6 +542,9 @@ return SCPE_OK;
The typewriter output is an asynchronous streaming output device. That is,
it can never cause a channel rate error; if no data is available, it waits.
Typewriter output may be stalled, if the device is connected to a Telnet
connection, so the output routine must be able to try output repeatedly.
*/
t_stat tto (uint32 fnc, uint32 inst, uint32 *dat)
@@ -548,11 +557,15 @@ switch (fnc) { /* case function */
new_ch = I_GETEOCH (inst); /* get new chan */
if (new_ch != tto_dib.chan) /* inv conn? err */
return SCPE_IERR;
tto_ldr = (inst & CHC_NLDR)? 0: 1; /* leader? */
tto_retry = 0; /* no retry */
xfr_req = xfr_req & ~XFR_TTO; /* clr xfr flag */
sim_activate (&tto_unit, tto_unit.wait); /* activate */
break;
case IO_DISC: /* disconnect */
tto_ldr = 0; /* clr state */
tto_retry = 0;
xfr_req = xfr_req & ~XFR_TTO; /* clr xfr flag */
sim_cancel (&tto_unit); /* deactivate unit */
break;
@@ -561,7 +574,7 @@ switch (fnc) { /* case function */
xfr_req = xfr_req & ~XFR_TTO; /* clr xfr flag */
tto_unit.buf = (*dat) & 077; /* save data */
sim_activate (&tto_unit, tto_unit.wait); /* activate */
break;
return tto_out (tto_unit.buf); /* write the data */
case IO_WREOR: /* write eor */
break;
@@ -574,29 +587,47 @@ switch (fnc) { /* case function */
return SCPE_OK;
}
/* Unit service */
/* Unit service - handle leader, retry */
t_stat tto_svc (UNIT *uptr)
{
if (tto_ldr != 0) { /* need leader? */
sim_putchar (0); /* output, no stall */
tto_ldr = 0; /* no more leader */
}
if (tto_retry != 0) /* retry? */
tto_out (uptr->buf); /* try again, could stall */
if (tto_retry == 0) /* now no retry? */
chan_set_ordy (tto_dib.chan); /* tto ready */
return SCPE_OK;
}
t_stat tto_out (int32 dat)
{
int32 asc;
t_stat r;
if (uptr->buf == TT_CR) /* control chars? */
tto_retry = 0; /* assume no retry */
if (dat == TT_CR) /* control chars? */
asc = '\r';
else if (uptr->buf == TT_BS)
else if (dat == TT_BS)
asc = '\b';
else if (uptr->buf == TT_TB)
else if (dat == TT_TB)
asc = '\t';
else asc = sds_to_ascii(uptr->buf); /* translate */
if ((r = sim_putchar_s (asc)) != SCPE_OK) { /* output; error? */
sim_activate (uptr, uptr->wait); /* retry */
return ((r == SCPE_STALL)? SCPE_OK: r); /* !stall? report */
else asc = sds_to_ascii (dat); /* translate */
r = sim_putchar_s (asc); /* output */
if (r == SCPE_STALL) { /* stall? */
tto_retry = 1;
sim_activate (&tto_unit, tto_unit.wait); /* retry */
return SCPE_OK;
}
uptr->pos = uptr->pos + 1; /* inc position */
if (r != SCPE_OK) /* error? */
return r;
tto_unit.pos = tto_unit.pos + 1; /* inc position */
chan_set_ordy (tto_dib.chan); /* tto rdy */
if (asc == '\r') { /* CR? */
sim_putchar ('\n'); /* add lf */
uptr->pos = uptr->pos + 1; /* inc position */
sim_putchar ('\n'); /* add lf, no stall */
tto_unit.pos = tto_unit.pos + 1; /* inc position */
}
return SCPE_OK;
}
@@ -607,6 +638,8 @@ t_stat tto_reset (DEVICE *dptr)
{
chan_disc (tto_dib.chan); /* disconnect */
tto_unit.buf = 0; /* clear state */
tto_ldr = 0;
tto_retry = 0;
xfr_req = xfr_req & ~XFR_TTO; /* clr xfr flag */
sim_cancel (&tto_unit); /* deactivate unit */
return SCPE_OK;