| 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). | |