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mirror of https://github.com/open-simh/simh.git synced 2026-04-25 03:44:58 +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 +23,7 @@
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.
24-Nov-03 CEO Added symbolic support for LEF instruction
17-Sep-01 RMS Removed multiconsole support
31-May-01 RMS Added multiconsole support
14-Mar-01 RMS Revised load/dump interface (again)
@@ -43,16 +44,23 @@ extern DEVICE cpu_dev;
extern UNIT cpu_unit;
#if defined (ECLIPSE)
extern DEVICE map_dev;
extern DEVICE fpu_dev;
extern DEVICE pit_dev;
extern int32 Usermap;
extern int32 MapStat;
#endif
extern DEVICE ptr_dev, ptp_dev;
extern DEVICE ptr_dev;
extern DEVICE ptp_dev;
extern DEVICE plt_dev;
extern DEVICE tti_dev, tto_dev;
extern DEVICE tti1_dev, tto1_dev;
extern DEVICE clk_dev, lpt_dev;
extern DEVICE dkp_dev, dsk_dev;
extern DEVICE tti_dev;
extern DEVICE tto_dev;
extern DEVICE tti1_dev;
extern DEVICE tto1_dev;
extern DEVICE clk_dev;
extern DEVICE lpt_dev;
extern DEVICE dkp_dev;
extern DEVICE dsk_dev;
extern DEVICE mta_dev;
extern UNIT tti_unit, tto_unit;
extern UNIT tti1_unit, tto1_unit;
extern REG cpu_reg[];
extern uint16 M[];
extern int32 saved_PC;
@@ -81,13 +89,21 @@ DEVICE *sim_devices[] = {
&cpu_dev,
#if defined (ECLIPSE)
&map_dev,
&fpu_dev,
&pit_dev,
#endif
&ptr_dev, &ptp_dev,
&tti_dev, &tto_dev,
&tti1_dev, &tto1_dev,
&clk_dev, &plt_dev,
&lpt_dev, &dsk_dev,
&dkp_dev, &mta_dev,
&ptr_dev,
&ptp_dev,
&tti_dev,
&tto_dev,
&tti1_dev,
&tto1_dev,
&clk_dev,
&plt_dev,
&lpt_dev,
&dsk_dev,
&dkp_dev,
&mta_dev,
NULL };
const char *sim_stop_messages[] = {
@@ -256,7 +272,7 @@ static const char *opcode[] = {
"BTO", "BTZ", "SBZ", "SZBO",
"LOB", "LRB", "COB", "LDB",
"STB", "PSH", "POP",
"LMP", "SYSC",
"LMP", "SYC",
"PSHR", "POPB", "BAM", "POPJ",
"RTN", "BLM", "DIVX",
"MUL", "MULS", "DIV", "DIVS",
@@ -366,6 +382,9 @@ static const char *opcode[] = {
"DIC", "DICS", "DICC", "DICP",
"DOC", "DOCS", "DOCC", "DOCP",
"SKPBN", "SKPBZ", "SKPDN", "SKPDZ",
#if defined (ECLIPSE)
"LEF", "LEF", "LEF", "LEF",
#endif
NULL };
static const opc_val[] = {
@@ -379,7 +398,7 @@ static const opc_val[] = {
0102010+I_2AC, 0102110+I_2AC, 0102210+I_2AC, 0102310+I_2AC,
0102410+I_2AC, 0102510+I_2AC, 0102610+I_2AC, 0102710+I_2AC,
0103010+I_2AC, 0103110+I_2AC, 0103210+I_2AC,
0113410+I_NPN, 0103510+I_RSI,
0113410+I_NPN, 0103510+I_2AC,
0103710+I_NPN, 0107710+I_NPN, 0113710+I_NPN, 0117710+I_NPN,
0127710+I_NPN, 0133710+I_NPN, 0137710+I_NPN,
0143710+I_NPN, 0147710+I_NPN, 0153710+I_NPN, 0157710+I_NPN,
@@ -489,6 +508,9 @@ static const opc_val[] = {
0062400+I_RD, 0062500+I_RD, 0062600+I_RD, 0062700+I_RD,
0063000+I_RD, 0063100+I_RD, 0063200+I_RD, 0063300+I_RD,
0063400+I_D, 0063500+I_D, 0063600+I_D, 0063700+I_D,
#if defined (ECLIPSE)
0064000+I_D, 0070000+I_D, 0074000+I_D, 0076000+I_D,
#endif
-1 };
static const char *skip[] = {
@@ -579,8 +601,8 @@ int32 ind, mode, disp, dev;
int32 byac, extind, extdisp, xop;
cflag = (uptr == NULL) || (uptr == &cpu_unit);
c1 = (val[0] >> 8) & 0177;
c2 = val[0] & 0177;
c1 = ((int32) val[0] >> 8) & 0177;
c2 = (int32) val[0] & 0177;
if (sw & SWMASK ('A')) { /* ASCII? */
fprintf (of, (c2 < 040)? "<%03o>": "%c", c2);
return SCPE_OK; }
@@ -592,7 +614,7 @@ if (!(sw & SWMASK ('M'))) return SCPE_ARG; /* mnemonic? */
/* Instruction decode */
inst = val[0];
inst = (int32) val[0];
for (i = 0; opc_val[i] >= 0; i++) { /* loop thru ops */
j = (opc_val[i] >> I_V_FL) & I_M_FL; /* get class */
if ((opc_val[i] & 0177777) == (inst & masks[j])) { /* match? */
@@ -605,8 +627,8 @@ for (i = 0; opc_val[i] >= 0; i++) { /* loop thru ops */
dev = I_GETDEV (inst); /* IOT fields */
byac = I_GETPULSE (inst); /* byte fields */
xop = I_GETXOP (inst); /* XOP fields */
extind = val[1] & A_IND; /* extended fields */
extdisp = val[1] & AMASK;
extind = (int32) val[1] & A_IND; /* extended fields */
extdisp = (int32) val[1] & AMASK;
for (dv = 0; (dev_val[dv] >= 0) && (dev_val[dv] != dev); dv++) ;
switch (j) { /* switch on class */
@@ -617,6 +639,13 @@ for (i = 0; opc_val[i] >= 0; i++) { /* loop thru ops */
fprintf (of, "%s %-o", opcode[i], dst);
break;
case I_V_D: /* dev only */
#if defined (ECLIPSE)
if (Usermap && (MapStat & 0100)) { /* the evil LEF mode */
fprintf (of, "LEF %-o,", dst);
fprint_addr (of, addr, ind, mode, disp, FALSE, cflag);
break;
}
#endif
if (dev_val[dv] >= 0)
fprintf (of, "%s %s", opcode[i], device[dv]);
else fprintf (of, "%s %-o", opcode[i], dev);
@@ -671,7 +700,10 @@ for (i = 0; opc_val[i] >= 0; i++) { /* loop thru ops */
return -1;
case I_V_XP: /* XOP */
fprintf (of, "%s %-o,%-o,%-o", opcode[i], src, dst, xop);
break; } /* end case */
break; /* end case */
default:
fprintf (of, "??? [%-o]", inst);
break; }
return SCPE_OK; } /* end if */
} /* end for */
return SCPE_ARG;
@@ -726,12 +758,12 @@ else if (*cptr == '-') { /* - sign? */
cptr++; }
if (*cptr != 0) { /* number? */
cptr = get_glyph (cptr, gbuf, ','); /* get glyph */
d = get_uint (gbuf, 8, AMASK, &r);
d = (int32) get_uint (gbuf, 8, AMASK, &r);
if (r != SCPE_OK) return NULL;
pflag = pflag | A_NUM; }
if (*cptr != 0) { /* index? */
cptr = get_glyph (cptr, gbuf, 0); /* get glyph */
x = get_uint (gbuf, 8, I_M_DST, &r);
x = (int32) get_uint (gbuf, 8, I_M_DST, &r);
if ((r != SCPE_OK) || (x < 2)) return NULL;
pflag = pflag | A_NX; }
@@ -786,10 +818,10 @@ char gbuf[CBUFSIZE];
t_stat r;
cptr = get_glyph (cptr, gbuf, ','); /* get register */
val[0] = get_uint (gbuf, 8, I_M_SRC, &r);
val[0] = (int32) get_uint (gbuf, 8, I_M_SRC, &r);
if (r != SCPE_OK) return NULL;
cptr = get_glyph (cptr, gbuf, term); /* get register */
val[1] = get_uint (gbuf, 8, I_M_DST, &r);
val[1] = (int32) get_uint (gbuf, 8, I_M_DST, &r);
if (r != SCPE_OK) return NULL;
return cptr;
}
@@ -837,13 +869,13 @@ case I_V_NPN: /* no operand */
break;
case I_V_R: /* IOT reg */
cptr = get_glyph (cptr, gbuf, 0); /* get register */
d = get_uint (gbuf, 8, I_M_DST, &r);
d = (int32) get_uint (gbuf, 8, I_M_DST, &r);
if (r != SCPE_OK) return SCPE_ARG;
val[0] = val[0] | (d << I_V_DST); /* put in place */
break;
case I_V_RD: /* IOT reg,dev */
cptr = get_glyph (cptr, gbuf, ','); /* get register */
d = get_uint (gbuf, 8, I_M_DST, &r);
d = (int32) get_uint (gbuf, 8, I_M_DST, &r);
if (r != SCPE_OK) return SCPE_ARG;
val[0] = val[0] | (d << I_V_DST); /* put in place */
case I_V_D: /* IOT dev */
@@ -852,13 +884,13 @@ case I_V_D: /* IOT dev */
(strcmp (device[i], gbuf) != 0); i++);
if (device[i] != NULL) val[0] = val[0] | dev_val[i];
else {
d = get_uint (gbuf, 8, I_M_DEV, &r);
d = (int32) get_uint (gbuf, 8, I_M_DEV, &r);
if (r != SCPE_OK) return SCPE_ARG;
val[0] = val[0] | (d << I_V_DEV); }
break;
case I_V_RM: /* reg, addr */
cptr = get_glyph (cptr, gbuf, ','); /* get register */
d = get_uint (gbuf, 8, I_M_DST, &r);
d = (int32) get_uint (gbuf, 8, I_M_DST, &r);
if (r != SCPE_OK) return SCPE_ARG;
val[0] = val[0] | (d << I_V_DST); /* put in place */
case I_V_M: /* addr */
@@ -889,33 +921,33 @@ case I_V_2AC: /* reg, reg */
break;
case I_V_RSI: /* reg, short imm */
cptr = get_glyph (cptr, gbuf, ','); /* get immediate */
d = get_uint (gbuf, 8, I_M_SRC + 1, &r);
d = (int32) get_uint (gbuf, 8, I_M_SRC + 1, &r);
if ((d == 0) || (r != SCPE_OK)) return SCPE_ARG;
val[0] = val[0] | ((d - 1) << I_V_SRC); /* put in place */
cptr = get_glyph (cptr, gbuf, 0); /* get register */
d = get_uint (gbuf, 8, I_M_DST, &r);
d = (int32) get_uint (gbuf, 8, I_M_DST, &r);
if (r != SCPE_OK) return SCPE_ARG;
val[0] = val[0] | (d << I_V_DST); /* put in place */
break;
case I_V_RLI: /* reg, long imm */
cptr = get_glyph (cptr, gbuf, ','); /* get immediate */
val[1] = get_uint (gbuf, 8, DMASK, &r);
val[1] = (int32) get_uint (gbuf, 8, DMASK, &r);
if (r != SCPE_OK) return SCPE_ARG;
cptr = get_glyph (cptr, gbuf, 0); /* get register */
d = get_uint (gbuf, 8, I_M_DST, &r);
d = (int32) get_uint (gbuf, 8, I_M_DST, &r);
if (r != SCPE_OK) return SCPE_ARG;
val[0] = val[0] | (d << I_V_DST); /* put in place */
rtn = -1;
break;
case I_V_LI: /* long imm */
cptr = get_glyph (cptr, gbuf, 0); /* get immediate */
val[1] = get_uint (gbuf, 8, DMASK, &r);
val[1] = (int32) get_uint (gbuf, 8, DMASK, &r);
if (r != SCPE_OK) return SCPE_ARG;
rtn = -1;
break;
case I_V_RLM: /* reg, long mem */
cptr = get_glyph (cptr, gbuf, ','); /* get register */
d = get_uint (gbuf, 8, I_M_DST, &r);
d = (int32) get_uint (gbuf, 8, I_M_DST, &r);
if (r != SCPE_OK) return SCPE_ARG;
val[0] = val[0] | (d << I_V_DST); /* put in place */
case I_V_LM: /* long mem */
@@ -927,7 +959,7 @@ case I_V_LM: /* long mem */
break;
case I_V_FRM: /* flt reg, long mem */
cptr = get_glyph (cptr, gbuf, ','); /* get register */
d = get_uint (gbuf, 8, I_M_DST, &r);
d = (int32) get_uint (gbuf, 8, I_M_DST, &r);
if (r != SCPE_OK) return SCPE_ARG;
val[0] = val[0] | (d << I_V_DST); /* put in place */
cptr = get_addr (cptr, addr, TRUE, cflag, amd);
@@ -948,7 +980,7 @@ case I_V_XP: /* XOP */
if (cptr == NULL) return SCPE_ARG;
val[0] = val[0] | (amd[0] << I_V_SRC) | (amd[1] << I_V_DST);
cptr = get_glyph (cptr, gbuf, 0); /* get argument */
d = get_uint (gbuf, 8, I_M_XOP, &r);
d = (int32) get_uint (gbuf, 8, I_M_XOP, &r);
if (r != SCPE_OK) return SCPE_ARG;
val[0] = val[0] | (d << I_V_XOP);
break; } /* end case */