simh-testsetgenerator/Interdata/id_ttp.c
Bob Supnik 1da2d9452d Notes For V3.1-0
RESTRICTION: The FP15 and XVM features of the PDP-15 are only partially
debugged.  Do NOT enable these features for normal operations.

1. New Features in 3.1-0

1.1 SCP and libraries

- Added simulated Ethernet support for VMS, FreeBSD, Mac OS/X.
- Added status return to tmxr_putc_ln.
- Added sim_putchar_s to handle possible output stalls.

1.2 All DECtapes

- Added "DECtape off reel" error stop.

1.3 All Asynchronous Consoles

- Added support for output congestion stall if using a Telnet connection.

1.4 PDP-1

- Added Type 23 parallel drum support.

1.5 PDP-8

- Added instruction history.
- Added TSC8-75 option support for ETOS.
- Added TD8E DECtape support.

1.6 PDP-18b

- Added instruction history.
- Changed PDP-9, PDP-15 API default to enabled.

1.7 PDP-11

- Added support for 18b only Qbus devices.
- Formalized bus and addressing definitions.
- Added control to enable/disable autoconfiguration.
- Added stub support for second Unibus Ethernet controller.

1.7 Interdata 32b

- Added instruction history.

1.8 Eclipse

- Added floating point support.
- Added programmable interval timer support.

1.9 H316

- Added DMA/DMC support.
- Added fixed head disk support.
- Added moving head disk support.
- Added magtape support.

1.10 IBM 1130 (Brian Knittel)

- Added support for physical card reader, using the Cardread
interface (www.ibm1130.org/sim/downloads).
- Added support for physical printer (flushes output buffer after
each line).

2. Bugs Fixed in 3.1-0

2.1 SCP and libraries

- Fixed numerous bugs in Ethernet library.

2.2 All DECtapes

- Fixed reverse checksum value in 'read all' mode.
- Simplified (and sped up) timing.

2.3 PDP-8

- Fixed bug in RX28 read status (found by Charles Dickman).
- Fixed RX28 double density write.

2.4 PDP-18b

- Fixed autoincrement bug in PDP-4, PDP-7, PDP-9.

2.5 PDP-11/VAX

- Revised RQ MB->LBN conversion for greater accuracy.
- Fixed bug in IO configuration (found by David Hittner).
- Fixed bug with multiple RQ RAUSER drives.
- Fixed bug in second Qbus Ethernet controller interrupts.

2.6 Nova/Eclipse

- Fixed bugs in DKP flag clear, map setup, map usage (Charles Owen).
- Fixed bug in MT, reset completes despite I/O reset (Charles Owen).
- Fixed bug in MT, space operations return word count (Charles Owen).

2.7 IBM 1130 (Brian Knittel)

- Fixed bug in setting carry bit in subtract and subtract double.
- Fixed timing problem in console printer simulation.

2.8 1620

- Fixed bug in branch digit (found by Dave Babcock).

3. New Features in 3.0 vs prior releases

3.1 SCP and Libraries

- Added ASSIGN/DEASSIGN (logical name) commands.
- Changed RESTORE to unconditionally detach files.
- Added E11 and TPC format support to magtape library.
- Fixed bug in SHOW CONNECTIONS.
- Added USE_ADDR64 support.

3.2 All magtapes

- Magtapes support SIMH format, E11 format, and TPC format (read only).
- SET <tape_unit> FORMAT=format sets the specified tape unit's format.
- SHOW <tape_unit> FORMAT displays the specified tape unit's format.
- Tape format can also be set as part of the ATTACH command, using
  the -F switch.

3.3 VAX

- VAX can be compiled without USE_INT64.
- If compiled with USE_INT64 and USE_ADDR64, RQ and TQ controllers support
  files > 2GB.
- VAX ROM has speed control (SET ROM DELAY/NODELAY).

3.4 PDP-1

- Added block loader format support to LOAD.
- Changed BOOT PTR to allow loading of all of the first bank of memory.
- The LOAD command takes an optional argument specifying the memory field
  to be loaded.
- The PTR BOOT command takes its starting memory field from the TA (address
  switch) register.

3.5 PDP-18b Family

- Added PDP-4 EAE support.
- Added PDP-15 FP15 support.
- Added PDP-15 XVM support.
- Added PDP-15 "re-entrancy ECO".
- Added PDP-7, PDP-9, PDP-15 hardware RIM loader support in BOOT PTR.

4. Bugs Fixed in 3.0 vs prior releases

4.1 SCP and Libraries

- Fixed end of file problem in dep, idep.
- Fixed handling of trailing spaces in dep, idep.

4.2 VAX

- Fixed CVTfi bug: integer overflow not set if exponent out of range
- Fixed EMODx bugs:
  o First and second operands reversed
  o Separated fraction received wrong exponent
  o Overflow calculation on separated integer incorrect
  o Fraction not set to zero if exponent out of range
- Fixed interval timer and ROM access to pass power-up self-test even on very
  fast host processors (fixes from Mark Pizzolato).
- Fixed bug in user disk size (found by Chaskiel M Grundman).

4.3 1401

- Fixed mnemonic, instruction lengths, and reverse scan length check bug for MCS.
- Fixed MCE bug, BS off by 1 if zero suppress.
- Fixed chaining bug, D lost if return to SCP.
- Fixed H branch, branch occurs after continue.
- Added check for invalid 8 character MCW, LCA.
- Fixed magtape load-mode end of record response.
- Revised fetch to model hardware more closely.
- Fixed tape read end-of-record handling based on real 1401.
- Added diagnostic read (space forward).

4.4 Nova

- Fixed DSK variable size interaction with restore.
- Fixed bug in DSK set size routine.

4.5 PDP-1

- Fixed DT variable size interaction with restore.
- Updated CPU, line printer, standard devices to detect indefinite I/O wait.
- Fixed incorrect logical, missing activate, break in drum simulator.
- Fixed bugs in instruction decoding, overprinting for line printer.
- Fixed system hang if continue after PTR error.
- Fixed PTR to start/stop on successive rpa instructions.

4.6 PDP-11

- Fixed DT variable size interaction with restore.
- Fixed bug in MMR1 update (found by Tim Stark).
- Added XQ features and fixed bugs:
  o Corrected XQ interrupts on IE state transition (code by Tom Evans).
  o Added XQ interrupt clear on soft reset.
  o Removed XQ interrupt when setting XL or RL (multiple people).
  o Added SET/SHOW XQ STATS.
  o Added SHOW XQ FILTERS.
  o Added ability to split received packet into multiple buffers.
  o Added explicit runt and giant packet processing.
- Fixed bug in user disk size (found by Chaskiel M Grundman).

4.7 PDP-18B

- Fixed DT, RF variable size interaction with restore.
- Fixed MT bug in MTTR.
- Fixed bug in PDP-4 line printer overprinting.
- Fixed bug in PDP-15 memory protect/skip interaction.
- Fixed bug in RF set size routine.
- Increased PTP TIME for PDP-15 operating systems.
- Fixed priorities in PDP-15 API (differs from PDP-9).
- Fixed sign handling in PDP-15 EAE unsigned mul/div (differs from PDP-9).
- Fixed bug in CAF, clears API subsystem.

4.8 PDP-8

- Fixed DT, DF, RF, RX variable size interaction with restore.
- Fixed MT bug in SKTR.
- Fixed bug in DF, RF set size routine.

4.9 HP2100

- Fixed bug in DP (13210A controller only), DQ read status.
- Fixed bug in DP, DQ seek complete.
- Fixed DR drum sizes.
- Fixed DR variable capacity interaction with SAVE/RESTORE.

4.10 GRI

- Fixed bug in SC queue pointer management.

4.11 PDP-10

- Fixed bug in RP read header.

4.12 Ibm1130

- Fixed bugs found by APL 1130.

4.13 Altairz80

- Fixed bug in real-time clock on Windows host.

4.14 1620

- Fixed bug in immediate index add (found by Michael Short).
2011-04-15 08:34:20 -07:00

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/* id_ttp.c: Interdata PASLA console interface
Copyright (c) 2000-2004, 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"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of Robert M Supnik shall not
be used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from Robert M Supnik.
ttp console (on PAS)
29-Dec-03 RMS Added support for console backpressure
25-Apr-03 RMS Revised for extended file support
*/
#include "id_defs.h"
#include <ctype.h>
#define UNIT_V_8B (UNIT_V_UF + 0) /* 8B */
#define UNIT_V_UC (UNIT_V_UF + 1) /* UC only */
#define UNIT_8B (1 << UNIT_V_8B)
#define UNIT_UC (1 << UNIT_V_UC)
#define TTI 0
#define TTO 1
/* Status byte */
#define STA_OVR 0x80 /* overrun RO */
#define STA_PF 0x40 /* parity err RO */
#define STA_FR 0x20 /* framing err RO */
#define STA_RCV (STA_OVR|STA_PF|STA_FR)
#define SET_EX (STA_OVR|STA_PF|STA_FR)
#define STA_XMT (STA_BSY)
/* Command bytes 1,0 */
#define CMD_ECHO (0x10 << 8) /* echoplex */
#define CMD_WRT (0x02 << 8) /* write/read */
#define CMD_TYP 0x01 /* command type */
extern uint32 int_req[INTSZ], int_enb[INTSZ];
uint32 ttp_sta = 0; /* status */
uint32 ttp_cmd = 0; /* command */
uint32 ttp_kchp = 0; /* rcvr chr pend */
uint32 ttp_karm = 0; /* rcvr int armed */
uint32 ttp_tarm = 0; /* xmt int armed */
uint8 ttp_tplte[] = { 0, 1, TPL_END };
uint32 ttp (uint32 dev, uint32 op, uint32 dat);
t_stat ttpi_svc (UNIT *uptr);
t_stat ttpo_svc (UNIT *uptr);
t_stat ttp_reset (DEVICE *dptr);
t_stat ttp_set_mode (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat ttp_set_break (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat ttp_set_enbdis (UNIT *uptr, int32 val, char *cptr, void *desc);
extern int32 pas_par (int32 cmd, int32 c);
/* TTP data structures */
DIB ttp_dib = { d_TTP, -1, v_TTP, ttp_tplte, &ttp, NULL };
UNIT ttp_unit[] = {
{ UDATA (&ttpi_svc, 0, 0), KBD_POLL_WAIT },
{ UDATA (&ttpo_svc, 0, 0), SERIAL_OUT_WAIT }
};
REG ttp_reg[] = {
{ HRDATA (CMD, ttp_cmd, 16) },
{ HRDATA (KBUF, ttp_unit[TTI].buf, 8) },
{ DRDATA (KPOS, ttp_unit[TTI].pos, T_ADDR_W), PV_LEFT },
{ DRDATA (KTIME, ttp_unit[TTI].wait, 24), REG_NZ + PV_LEFT },
{ FLDATA (KIREQ, int_req[l_TTP], i_TTP) },
{ FLDATA (KIENB, int_enb[l_TTP], i_TTP) },
{ FLDATA (KARM, ttp_karm, 0) },
{ FLDATA (CHP, ttp_kchp, 0) },
{ HRDATA (TBUF, ttp_unit[TTO].buf, 8) },
{ DRDATA (TPOS, ttp_unit[TTO].pos, T_ADDR_W), PV_LEFT },
{ DRDATA (TTIME, ttp_unit[TTO].wait, 24), REG_NZ + PV_LEFT },
{ FLDATA (TIREQ, int_req[l_TTP], i_TTP + 1) },
{ FLDATA (TIENB, int_enb[l_TTP], i_TTP + 1) },
{ FLDATA (TARM, ttp_tarm, 0) },
{ HRDATA (DEVNO, ttp_dib.dno, 8), REG_HRO },
{ NULL } };
MTAB ttp_mod[] = {
{ UNIT_UC+UNIT_8B, UNIT_UC, "UC", "UC", &ttp_set_mode },
{ UNIT_UC+UNIT_8B, 0 , "7b", "7B", &ttp_set_mode },
{ UNIT_UC+UNIT_8B, UNIT_8B, "8b", "8B", &ttp_set_mode },
{ MTAB_XTD|MTAB_VDV|MTAB_NMO, 0, NULL, "ENABLED",
&ttp_set_enbdis, NULL, NULL },
{ MTAB_XTD|MTAB_VDV|MTAB_NMO, DEV_DIS, NULL, "DISABLED",
&ttp_set_enbdis, NULL, NULL },
{ MTAB_XTD|MTAB_VDV|MTAB_NMO, 0, NULL, "BREAK",
&ttp_set_break, NULL, NULL },
{ MTAB_XTD|MTAB_VDV, 0, "DEVNO", "DEVNO",
&set_dev, &show_dev, NULL },
{ 0 } };
DEVICE ttp_dev = {
"TTP", ttp_unit, ttp_reg, ttp_mod,
2, 10, 31, 1, 16, 8,
NULL, NULL, &ttp_reset,
NULL, NULL, NULL,
&ttp_dib, DEV_DIS };
/* Terminal: I/O routine */
uint32 ttp (uint32 dev, uint32 op, uint32 dat)
{
int32 xmt = dev & 1;
int32 t, old_cmd;
switch (op) { /* case IO op */
case IO_ADR: /* select */
return BY; /* byte only */
case IO_RD: /* read */
ttp_kchp = 0; /* clr chr pend */
ttp_sta = ttp_sta & ~STA_OVR; /* clr overrun */
return ttp_unit[TTI].buf; /* return buf */
case IO_WD: /* write */
ttp_unit[TTO].buf = dat & 0xFF; /* store char */
ttp_sta = ttp_sta | STA_BSY; /* set busy */
sim_activate (&ttp_unit[TTO], ttp_unit[TTO].wait);
break;
case IO_SS: /* status */
if (xmt) t = ttp_sta & STA_XMT; /* xmt? Just busy */
else { /* rcv */
t = ttp_sta & STA_RCV; /* get static */
if (!ttp_kchp) t = t | STA_BSY; /* no char? busy */
if (t & SET_EX) t = t | STA_EX; } /* test for ex */
return t;
case IO_OC: /* command */
old_cmd = ttp_cmd; /* old cmd */
if (dat & CMD_TYP) { /* type 1? */
ttp_cmd = (ttp_cmd & 0xFF) | (dat << 8);
if (ttp_cmd & CMD_WRT) /* write? */
ttp_tarm = int_chg (v_TTP + 1, dat, ttp_tarm);
else ttp_karm = int_chg (v_TTP, dat, ttp_karm); }
else ttp_cmd = (ttp_cmd & ~0xFF) | dat;
break; }
return 0;
}
/* Unit service */
t_stat ttpi_svc (UNIT *uptr)
{
int32 c, out;
sim_activate (uptr, uptr->wait); /* continue poll */
ttp_sta = ttp_sta & ~STA_FR; /* clear break */
if ((c = sim_poll_kbd ()) < SCPE_KFLAG) return c; /* no char or error? */
ttp_sta = ttp_sta & ~STA_PF; /* clear parity err */
if (ttp_kchp) ttp_sta = ttp_sta | STA_OVR; /* overrun? */
if (ttp_karm) SET_INT (v_TTP);
if (c & SCPE_BREAK) { /* break? */
ttp_sta = ttp_sta | STA_FR; /* framing error */
uptr->buf = 0; } /* no character */
else { c = c & 0xFF; /* char is 8b */
out = c & 0x7F; /* echo is 7b */
if (!(uptr->flags & UNIT_8B)) { /* not 8b? */
if ((uptr->flags & UNIT_UC) && islower (out))
out = toupper (out); /* cvt to UC */
c = pas_par (ttp_cmd, out); } /* apply parity */
uptr->buf = c; /* save char */
uptr->pos = uptr->pos + 1; /* incr count */
ttp_kchp = 1; /* char pending */
if (ttp_cmd & CMD_ECHO) {
sim_putchar (out);
ttp_unit[TTO].pos = ttp_unit[TTO].pos + 1; } }
return SCPE_OK;
}
t_stat ttpo_svc (UNIT *uptr)
{
int32 c;
t_stat r;
if (uptr->flags & UNIT_8B) /* 8b? */
c = pas_par (ttp_cmd, uptr->buf); /* apply parity */
else { c = uptr->buf & 0x7F; /* mask char */
if ((uptr->flags & UNIT_UC) && islower (c))
c = toupper (c); } /* cvt to UC */
if ((uptr->flags & UNIT_8B) || /* UC or 7b? */
((c != 0) && (c != 0x7F))){ /* supr NULL, DEL */
if ((r = sim_putchar_s (c)) != SCPE_OK) { /* output; error? */
sim_activate (uptr, uptr->wait); /* try again */
return ((r == SCPE_STALL)? SCPE_OK: r); } }
ttp_sta = ttp_sta & ~STA_BSY; /* not busy */
if (ttp_tarm) SET_INT (v_TTP + 1); /* set intr */
uptr->pos = uptr->pos + 1; /* incr count */
return SCPE_OK;
}
/* Reset routine */
t_stat ttp_reset (DEVICE *dptr)
{
extern DEVICE tt_dev;
if (dptr->flags & DEV_DIS) sim_cancel (&ttp_unit[TTI]);
else sim_activate (&ttp_unit[TTI], ttp_unit[TTI].wait);
sim_cancel (&ttp_unit[TTO]);
CLR_INT (v_TTP); /* clear int */
CLR_ENB (v_TTP);
CLR_INT (v_TTP + 1); /* disable int */
CLR_ENB (v_TTP + 1);
ttp_karm = ttp_tarm = 0; /* disarm int */
ttp_cmd = 0;
ttp_sta = 0;
ttp_kchp = 0;
return SCPE_OK;
}
/* Make mode flags uniform */
t_stat ttp_set_mode (UNIT *uptr, int32 val, char *cptr, void *desc)
{
ttp_unit[TTI].flags = (ttp_unit[TTI].flags & ~(UNIT_UC | UNIT_8B)) | val;
ttp_unit[TTO].flags = (ttp_unit[TTO].flags & ~(UNIT_UC | UNIT_8B)) | val;
return SCPE_OK;
}
/* Set input break */
t_stat ttp_set_break (UNIT *uptr, int32 val, char *cptr, void *desc)
{
if (ttp_dev.flags & DEV_DIS) return SCPE_NOFNC;
ttp_sta = ttp_sta | STA_FR;
if (ttp_karm) SET_INT (v_TTP); /* if armed, intr */
sim_cancel (&ttp_unit[TTI]); /* restart TT poll */
sim_activate (&ttp_unit[TTI], ttp_unit[TTI].wait);
return SCPE_OK;
}
/* Set enabled/disabled */
t_stat ttp_set_enbdis (UNIT *uptr, int32 val, char *cptr, void *desc)
{
extern DEVICE tt_dev;
extern t_stat tt_reset (DEVICE *dptr);
ttp_dev.flags = (ttp_dev.flags & ~DEV_DIS) | val;
tt_dev.flags = (tt_dev.flags & ~DEV_DIS) | (val ^ DEV_DIS);
ttp_reset (&ttp_dev);
tt_reset (&tt_dev);
return SCPE_OK;
}