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mirror of https://github.com/simh/simh.git synced 2026-01-25 19:56:25 +00:00

Notes For V3.0-1

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 3.0-1

1.1 PDP-1

- Added block loader format support to LOAD.
- Changed BOOT PTR to allow loading of all of the first bank of memory.

1.2 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.

2. Bugs Fixed in 3.0-1

2.1 PDP-11/VAX

- Fixed bug in user disk size (found by Chaskiel M Grundman).

2.2 PDP-1

- 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.

2.3 PDP-10

- Fixed bug in RP read header.

2.4 PDP-18b Family

- 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.

2.5 PDP-8

- Fixed bug in DF, RF set size routine.

2.6 Nova

- Fixed bug in DSK set size routine.

2.7 1401

- Revised fetch to model hardware more closely.

2.8 Ibm1130

- Fixed bugs found by APL 1130.

2.9 Altairz80

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

2.10 HP2100

-- Fixed DR drum sizes.
-- Fixed DR variable capacity interaction with SAVE/RESTORE.

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).

4. Bugs Fixed in 3.0 vs prior releases

4.1 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).

4.2 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.

4.3 Nova

- Fixed DSK variable size interaction with restore.

4.4 PDP-1

- Fixed DT variable size interaction with restore.

4.5 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.

4.6 PDP-18B

- Fixed DT, RF variable size interaction with restore.
- Fixed MT bug in MTTR.

4.7 PDP-8

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

4.8 HP2100

- Fixed bug in DP (13210A controller only), DQ read status.
- Fixed bug in DP, DQ seek complete.

4.9 GRI

- Fixed bug in SC queue pointer management.
This commit is contained in:
Bob Supnik
2003-07-31 16:17:00 -07:00
committed by Mark Pizzolato
parent 4ffd3be790
commit f9564b81b9
74 changed files with 6938 additions and 2812 deletions

View File

@@ -1,6 +1,6 @@
/* altairz80_defs.h: MITS Altair simulator definitions
Copyright (c) 2002, Peter Schorn
Copyright (c) 2002-2003, Peter Schorn
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),

View File

@@ -126,13 +126,13 @@ extern UNIT cpu_unit;
/* SIMH pseudo device status registers */
/* ZSDOS clock definitions */
static int32 ClockZSDOSDelta = 0; /* delta between real clock and Altair clock */
static time_t ClockZSDOSDelta = 0; /* delta between real clock and Altair clock */
static int32 setClockZSDOSPos = 0; /* determines state for receiving address of parameter block */
static int32 setClockZSDOSAdr = 0; /* address in M of 6 byte parameter block for setting time */
static int32 getClockZSDOSPos = 0; /* determines state for sending clock information */
/* CPM3 clock definitions */
static int32 ClockCPM3Delta = 0; /* delta between real clock and Altair clock */
static time_t ClockCPM3Delta = 0; /* delta between real clock and Altair clock */
static int32 setClockCPM3Pos = 0; /* determines state for receiving address of parameter block */
static int32 setClockCPM3Adr = 0; /* address in M of 5 byte parameter block for setting time */
static int32 getClockCPM3Pos = 0; /* determines state for sending clock information */
@@ -658,11 +658,12 @@ enum simhPseudoDeviceCommands { /* do not change order or remove commands, add o
#define cpmCommandLineLength 128
#define splimit 10 /* stack depth of timer stack */
static uint32 markTime[splimit]; /* timer stack */
static struct tm *currentTime = NULL;
static struct tm currentTime;
static int32 currentTimeValid = FALSE;
static char version[] = "SIMH002";
static t_stat simh_dev_reset(DEVICE *dptr) {
currentTime = NULL;
currentTimeValid = FALSE;
ClockZSDOSDelta = 0;
setClockZSDOSPos = 0;
getClockZSDOSPos = 0;
@@ -783,7 +784,7 @@ static void setClockCPM3(void) {
}
static int32 simh_in(const int32 port) {
int32 result;
int32 result = 0;
switch(lastCommand) {
case attachPTRCmd:
case attachPTPCmd:
@@ -791,31 +792,31 @@ static int32 simh_in(const int32 port) {
lastCommand = 0;
break;
case getClockZSDOSCmd:
if (currentTime) {
if (currentTimeValid) {
switch(getClockZSDOSPos) {
case 0:
result = toBCD(currentTime -> tm_year > 99 ?
currentTime -> tm_year - 100 : currentTime -> tm_year);
result = toBCD(currentTime.tm_year > 99 ?
currentTime.tm_year - 100 : currentTime.tm_year);
getClockZSDOSPos = 1;
break;
case 1:
result = toBCD(currentTime -> tm_mon + 1);
result = toBCD(currentTime.tm_mon + 1);
getClockZSDOSPos = 2;
break;
case 2:
result = toBCD(currentTime -> tm_mday);
result = toBCD(currentTime.tm_mday);
getClockZSDOSPos = 3;
break;
case 3:
result = toBCD(currentTime -> tm_hour);
result = toBCD(currentTime.tm_hour);
getClockZSDOSPos = 4;
break;
case 4:
result = toBCD(currentTime -> tm_min);
result = toBCD(currentTime.tm_min);
getClockZSDOSPos = 5;
break;
case 5:
result = toBCD(currentTime -> tm_sec);
result = toBCD(currentTime.tm_sec);
getClockZSDOSPos = lastCommand = 0;
break;
}
@@ -825,7 +826,7 @@ static int32 simh_in(const int32 port) {
}
break;
case getClockCPM3Cmd:
if (currentTime) {
if (currentTimeValid) {
switch(getClockCPM3Pos) {
case 0:
result = daysCPM3SinceOrg & 0xff;
@@ -836,15 +837,15 @@ static int32 simh_in(const int32 port) {
getClockCPM3Pos = 2;
break;
case 2:
result = toBCD(currentTime -> tm_hour);
result = toBCD(currentTime.tm_hour);
getClockCPM3Pos = 3;
break;
case 3:
result = toBCD(currentTime -> tm_min);
result = toBCD(currentTime.tm_min);
getClockCPM3Pos = 4;
break;
case 4:
result = toBCD(currentTime -> tm_sec);
result = toBCD(currentTime.tm_sec);
getClockCPM3Pos = lastCommand = 0;
break;
}
@@ -1012,7 +1013,8 @@ static int32 simh_out(const int32 port, const int32 data) {
case getClockZSDOSCmd:
time(&now);
now += ClockZSDOSDelta;
currentTime = localtime(&now);
currentTime = *localtime(&now);
currentTimeValid = TRUE;
getClockZSDOSPos = 0;
break;
case setClockZSDOSCmd:
@@ -1021,7 +1023,8 @@ static int32 simh_out(const int32 port, const int32 data) {
case getClockCPM3Cmd:
time(&now);
now += ClockCPM3Delta;
currentTime = localtime(&now);
currentTime = *localtime(&now);
currentTimeValid = TRUE;
daysCPM3SinceOrg = (now - mkCPM3Origin()) / secondsPerDay;
getClockCPM3Pos = 0;
break;