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mirror of https://github.com/simh/simh.git synced 2026-05-01 05:48:35 +00:00

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).
This commit is contained in:
Bob Supnik
2003-12-31 11:49:00 -08:00
committed by Mark Pizzolato
parent b2101ecdd4
commit 1da2d9452d
140 changed files with 17663 additions and 16338 deletions

View File

@@ -23,6 +23,8 @@
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.
21-Dec-03 RMS Fixed bug in autoconfigure vector assignment; added controls
21-Nov-03 RMS Added check for interrupt slot conflict (found by Dave Hittner)
12-Mar-03 RMS Added logical name support
08-Oct-02 RMS Trimmed I/O bus addresses
Added support for dynamic tables
@@ -43,6 +45,7 @@ extern UNIT cpu_unit;
extern int32 cpu_bme, cpu_18b, cpu_ubm;
extern int32 trap_req, ipl;
extern int32 cpu_log;
extern int32 autcon_enb;
extern FILE *sim_log;
extern DEVICE *sim_devices[];
@@ -297,6 +300,24 @@ else { /* physical */
return (lim - alim); }
}
/* Enable/disable autoconfiguration */
t_stat set_autocon (UNIT *uptr, int32 val, char *cptr, void *desc)
{
if (cptr != NULL) return SCPE_ARG;
autcon_enb = val;
return auto_config (0, 0);
}
/* Show autoconfiguration status */
t_stat show_autocon (FILE *st, UNIT *uptr, int32 val, void *desc)
{
fprintf (st, "autoconfiguration ");
fprintf (st, autcon_enb? "enabled": "disabled");
return SCPE_OK;
}
/* Change device address */
t_stat set_addr (UNIT *uptr, int32 val, char *cptr, void *desc)
@@ -318,7 +339,8 @@ if ((newba <= IOPAGEBASE) || /* > IO page base? */
(newba % ((uint32) val))) return SCPE_ARG; /* check modulus */
dibp->ba = newba; /* store */
dptr->flags = dptr->flags & ~DEV_FLTA; /* not floating */
return auto_config (0, 0); /* autoconfigure */
autcon_enb = 0; /* autoconfig off */
return SCPE_OK;
}
/* Show device address */
@@ -374,6 +396,8 @@ if ((r != SCPE_OK) || (newvec <= VEC_Q) ||
((newvec + (dibp->vnum * 4)) >= (VEC_Q + 01000)) ||
(newvec & ((dibp->vnum > 1)? 07: 03))) return SCPE_ARG;
dibp->vec = newvec;
dptr->flags = dptr->flags & ~DEV_FLTA; /* not floating */
autcon_enb = 0; /* autoconfig off */
return SCPE_OK;
}
@@ -427,14 +451,20 @@ return FALSE;
/* Build interrupt tables */
void build_int_vec (int32 vloc, int32 ivec, int32 (*iack)(void) )
t_bool build_int_vec (int32 vloc, int32 ivec, int32 (*iack)(void) )
{
int32 ilvl = vloc / 32;
int32 ibit = vloc % 32;
if (iack != NULL) int_ack[ilvl][ibit] = iack;
else int_vec[ilvl][ibit] = ivec;
return;
if (iack != NULL) {
if (int_ack[ilvl][ibit] &&
(int_ack[ilvl][ibit] != iack)) return TRUE;
int_ack[ilvl][ibit] = iack; }
else if (ivec != 0) {
if (int_vec[ilvl][ibit] &&
(int_vec[ilvl][ibit] != ivec)) return TRUE;
int_vec[ilvl][ibit] = ivec; }
return FALSE;
}
/* Build dib_tab from device list */
@@ -453,9 +483,15 @@ for (i = j = 0; (dptr = sim_devices[i]) != NULL; i++) { /* loop thru dev */
dibp = (DIB *) dptr->ctxt; /* get DIB */
if (dibp && !(dptr->flags & DEV_DIS)) { /* defined, enabled? */
if (dibp->vnum > VEC_DEVMAX) return SCPE_IERR;
for (k = 0; k < dibp->vnum; k++) /* loop thru vec */
build_int_vec (dibp->vloc + k, /* add vector */
dibp->vec + (k * 4), dibp->ack[k]);
for (k = 0; k < dibp->vnum; k++) { /* loop thru vec */
if (build_int_vec (dibp->vloc + k, /* add vector */
dibp->vec + (k * 4), dibp->ack[k])) {
printf ("Device %s interrupt slot conflict at %d\n",
sim_dname (dptr), dibp->vloc + k);
if (sim_log) fprintf (sim_log,
"Device %s interrupt slot conflict at %d\n",
sim_dname (dptr), dibp->vloc + k);
return SCPE_IERR; } }
if (dibp->lnt != 0) { /* I/O addresses? */
dib_tab[j++] = dibp; /* add DIB to dib_tab */
if (j >= DIB_MAX) return SCPE_IERR; } /* too many? */
@@ -575,6 +611,7 @@ DIB *dibp;
int32 i, j, k;
extern DEVICE *find_dev (char *ptr);
if (autcon_enb == 0) return SCPE_OK; /* enabled? */
if (rank > AUTO_LNT) return SCPE_IERR; /* legal rank? */
if (rank) auto_tab[rank - 1].num = nctrl; /* update num? */
for (i = 0, autp = auto_tab; i < AUTO_LNT; i++) { /* loop thru table */