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Author SHA1 Message Date
Bob Supnik
b6393b36b4 Notes For V3.3 
RESTRICTION: The HP DS disk is not debugged.  DO NOT enable this
feature for normal operations.
WARNING: Massive changes in the PDP-11 make all previous SAVEd
file obsolete.  Do not attempt to use a PDP-11 SAVE file from a
prior release with V3.3!

1. New Features in 3.3

1.1 SCP

- Added -p (powerup) qualifier to RESET
- Changed SET <unit> ONLINE/OFFLINE to SET <unit> ENABLED/DISABLED
- Moved SET DEBUG under SET CONSOLE hierarchy
- Added optional parameter value to SHOW command
- Added output file option to SHOW command

1.2 PDP-11

- Separated RH Massbus adapter from RP controller
- Added TU tape support
- Added model emulation framework
- Added model details

1.3 VAX

- Separated out CVAX-specific features from core instruction simulator
- Implemented capability for CIS, octaword, compatibility mode instructions
- Added instruction display and parse for compatibility mode
- Changed SET CPU VIRTUAL=n to SHOW CPU VIRTUAL=n
- Added =n optional parameter to SHOW CPU HISTORY

1.4 Unibus/Qbus simulators (PDP-11, VAX, PDP-10)

- Simplified DMA API's
- Modified DMA peripherals to use simplified API's

1.5 HP2100 (all changes from Dave Bryan)

CPU	- moved MP into its own device; added MP option jumpers
	- modified DMA to allow disabling
	- modified SET CPU 2100/2116 to truncate memory > 32K
	- added -F switch to SET CPU to force memory truncation
	- modified WRU to be REG_HRO
	- added BRK and DEL to save console settings

DR	- provided protected tracks and "Writing Enabled" status bit
	- added "parity error" status return on writes for 12606
	- added track origin test for 12606
	- added SCP test for 12606
	- added "Sector Flag" status bit
	- added "Read Inhibit" status bit for 12606
	- added TRACKPROT modifier

LPS	- added SET OFFLINE/ONLINE, POWEROFF/POWERON
	- added fast/realistic timing
	- added debug printouts

LPT	- added SET OFFLINE/ONLINE, POWEROFF/POWERON

PTR	- added paper tape loop mode, DIAG/READER modifiers to PTR
	- added PV_LEFT to PTR TRLLIM register

CLK	- modified CLK to permit disable

1.6 IBM 1401, IBM 1620, Interdata 16b, SDS 940, PDP-10

- Added instruction history

1.7 H316, PDP-15, PDP-8

- Added =n optional value to SHOW CPU HISTORY

2. Bugs Fixed in 3.3

2.1 SCP

- Fixed comma-separated SET options (from Dave Bryan)
- Fixed duplicate HELP displays with user-specified commands

2.2 PDP-10

- Replicated RP register state per drive
- Fixed TU to set FCE on short record
- Fixed TU to return bit<15> in drive type
- Fixed TU format specification, 1:0 are don't cares
- Fixed TU handling of TMK status
- Fixed TU handling of DONE, ATA at end of operation
- Implemented TU write check

2.3 PDP-11

- Replicated RP register state per drive
- Fixed RQ, TQ to report correct controller type and stage 1 configuration
  flags on a Unibus system
- Fixed HK CS2<output_ready> flag

2.4 VAX

- Fixed parsing of indirect displacement modes in instruction input

2.5 HP2100 (all fixes from Dave Bryan)

CPU	- fixed S-register behavior on 2116
	- fixed LIx/MIx behavior for DMA on 2116 and 2100
	- fixed LIx/MIx behavior for empty I/O card slots

DP	- fixed enable/disable from either device
	- fixed ANY ERROR status for 12557A interface
	- fixed unattached drive status for 12557A interface
	- status cmd without prior STC DC now completes (12557A)
	- OTA/OTB CC on 13210A interface also does CLC CC
	- fixed RAR model
	- fixed seek check on 13210 if sector out of range

DQ	- fixed enable/disable from either device
	- shortened xtime from 5 to 3 (drive avg 156KW/second)
	- fixed not ready/any error status
	- fixed RAR model

DR	- fixed enable/disable from either device
	- fixed sector return in status word
	- fixed DMA last word write, incomplete sector fill value
	- fixed 12610 SFC operation
	- fixed current-sector determination

IPL	- fixed enable/disable from either device

LPS	- fixed status returns for error conditions
	- fixed handling of non-printing characters
	- fixed handling of characters after column 80
	- improved timing model accuracy for RTE

LPT	- fixed status returns for error conditions
	- fixed TOF handling so form remains on line 0

SYS	- fixed display of CCA/CCB/CCE instructions

2.5 PDP-15

FPP	- fixed URFST to mask low 9b of fraction
	- fixed exception PC setting
 2011-04-15 08:34:40 -07:00
Bob Supnik
2e00e1122f Notes For V3.2-3 
RESTRICTION: The PDP-15 FPP is only partially debugged.  Do NOT
enable this feature for normal operations.
RESTRICTION: The HP DS disk is not debugged.  DO NOT enable this
feature for normal operations.

1. New Features in 3.2-3

1.1 SCP

- Added ECHO command (from Dave Bryan)

2. Bugs Fixed in 3.2-2

2.1 SCP

- Qualified RESTORE detach with SIM_SW_REST
- Fixed OS/2 issues in sim_console.c and sim_sock.h

2.2 HP2100 (all from Dave Bryan)

- Changed CPU error stops to report PC not PC + 1

- Fixed CLC to DR to stop operation in progress

- Functional and timing fixes to DP
  > controller sets ATN for all commands except read status
  > controller resumes polling for ATN interrupts after read status
  > check status on unattached drive set busy and not ready
  > check status tests wrong unit for write protect status
  > drive on line sets ATN, will set FLG if polling

- Functional and timing fixes to MS
  > fixed erroneous execution of rejected command
  > fixed erroneous execution of select-only command
  > fixed erroneous execution of clear command
  > fixed odd byte handling for read
  > fixed spurious odd byte status on 13183A EOF
  > modified handling of end of medium
  > added detailed timing, with fast and realistic modes
  > added reel sizes to simulate end of tape
  > added debug printouts

- Modified MT handling of end of medium

- Added tab to TTY control char set

2.3 VAX

- VAX RQ controllers start LUNs at 0 (from Andreas Cejna)
- Added compatibility mode definitions
- Fixed EMODD, EMODG to probe second longword of quadword destination
 2011-04-15 08:34:36 -07:00
Bob Supnik
2688f2d26e Notes For V3.2-2 
RESTRICTION: The PDP-15 FPP is only partially debugged.  Do NOT
enable this feature for normal operations.
RESTRICTION: The HP DS disk is not debugged.  DO NOT enable this
feature under any circumstances.

1. New Features in 3.2-2

None

2. Bugs Fixed in 3.2-2

2.1 SCP

- Fixed problem ATTACHing to read-only files (found by John Dundas)
- Fixed problems in Windows terminal code (found by Dave Bryan)
- Fixed problem in big-endian reads (reported by Scott Bailey)

2.2 GRI-909

- Updated MSR to include SOV
- Updated EAO to include additional functions

2.2 HP2100 (from Dave Bryan)

- Generalized control character handling for console terminal

2.3 VAX

- Fixed bad block initialization routine
 2011-04-15 08:34:32 -07:00
Bob Supnik
e2ba672610 Notes For V3.2-1 
RESTRICTION: The PDP-15 FPP is only partially debugged.  Do NOT
enable this feature for normal operations.

1. New Features in 3.2-1

1.1 SCP and libraries

- Added SET CONSOLE subhierarchy.
- Added SHOW CONSOLE subhierarchy.
- Added limited keyboard mapping capability.

1.2 HP2100 (new features from Dave Bryan)

- Added instruction printout to HALT message.
- Added M and T internal registers.
- Added N, S, and U breakpoints.

1.3 PDP-11 and VAX

- Added DHQ11 support (from John Dundas)

2. Bugs Fixed in 3.2-1

2.1 HP2100 (most fixes from Dave Bryan)

- SBT increments B after store.
- DMS console map must check dms_enb.
- SFS x,C and SFC x,C work.
- MP violation clears automatically on interrupt.
- SFS/SFC 5 is not gated by protection enabled.
- DMS enable does not disable mem prot checks.
- DMS status inconsistent at simulator halt.
- Examine/deposit are checking wrong addresses.
- Physical addresses are 20b not 15b.
- Revised DMS to use memory rather than internal format.
- Revised IBL facility to conform to microcode.
- Added DMA EDT I/O pseudo-opcode.
- Separated DMA SRQ (service request) from FLG.
- Revised peripherals to make SFS x,C and SFC x,C work.
- Revised boot ROMs to use IBL facility.
- Revised IBL treatment of SR to preserve SR<5:3>.
- Fixed LPS, LPT timing.
- Fixed DP boot interpretation of SR<0>.
- Revised DR boot code to use IBL algorithm.
- Fixed TTY input behavior during typeout for RTE-IV.
- Suppressed nulls on TTY output for RTE-IV.
- Added SFS x,C and SFC x,C to print/parse routines.
- Fixed spurious timing error in magtape reads.

2.2 All DEC console devices

- Removed SET TTI CTRL-C option.

2.3 PDP-11/VAX peripherals

- Fixed bug in TQ reporting write protect status (reported by Lyle Bickley).
- Fixed TK70 model number and media ID (found by Robert Schaffrath).
- Fixed bug in autoconfigure (found by John Dundas).

2.4 VAX

- Fixed bug in DIVBx and DIVWx (reported by Peter Trimmel).
 2011-04-15 08:34:30 -07:00
Bob Supnik
26aa6de663 Notes For V3.2-0 
RESTRICTION: The PDP-15 FPP is only partially debugged.  Do NOT
enable this feature for normal operations.

WARNING: The core simulator files (scp.c, sim_*.c) have been
reorganized.  Unzip V3.2-0 to an empty directory before attempting
to compile the source.

IMPORTANT: If you are compiling for UNIX, please read the notes
for Ethernet very carefully.  You may need to download a new
version of the pcap library, or make changes to the makefile,
to get Ethernet support to work.

1. New Features in 3.2-0

1.1 SCP and libraries

- Added SHOW <device> RADIX command.
- Added SHOW <device> MODIFIERS command.
- Added SHOW <device> NAMES command.
- Added SET/SHOW <device> DEBUG command.
- Added sim_vm_parse_addr and sim_vm_fprint_addr optional interfaces.
- Added REG_VMAD flag.
- Split SCP into separate libraries for easier modification.
- Added more room to the device and unit flag fields.
- Changed terminal multiplexor library to support unlimited.
  number of async lines.

1.2 All DECtapes

- Added STOP_EOR flag to enable end-of-reel error stop
- Added device debug support.

1.3 Nova and Eclipse

- Added QTY and ALM multiplexors (Bruce Ray).

1.4 LGP-30

- Added LGP-30/LGP-21 simulator.

1.5 PDP-11

- Added format, address increment inhibit, transfer overrun
  detection to RK.
- Added device debug support to HK, RP, TM, TQ, TS.
- Added DEUNA/DELUA (XU) support (Dave Hittner).
- Add DZ per-line logging.

1.6 18b PDP's

- Added support for 1-4 (PDP-9)/1-16 (PDP-15) additional
  terminals.

1.7 PDP-10

- Added DEUNA/DELUA (XU) support (Dave Hittner).

1.8 VAX

- Added extended memory to 512MB (Mark Pizzolato).
- Added RXV21 support.

2. Bugs Fixed in 3.2-0

2.1 SCP

- Fixed double logging of SHOW BREAK (found by Mark Pizzolato).
- Fixed implementation of REG_VMIO.

2.2 Nova and Eclipse

- Fixed device enable/disable support (found by Bruce Ray).

2.3 PDP-1

- Fixed bug in LOAD (found by Mark Crispin).

2.4 PDP-10

- Fixed bug in floating point unpack.
- Fixed bug in FIXR (found by Phil Stone, fixed by Chris Smith).

2.6 PDP-11

- Fixed bug in RQ interrupt control (found by Tom Evans).

2.6 PDP-18B

- Fixed bug in PDP-15 XVM g_mode implementation.
- Fixed bug in PDP-15 indexed address calculation.
- Fixed bug in PDP-15 autoindexed address calculation.
- Fixed bugs in FPP-15 instruction decode.
- Fixed clock response to CAF.
- Fixed bug in hardware read-in mode bootstrap.
- Fixed PDP-15 XVM instruction decoding errors.

2.7 VAX

- Fixed PC read fault in EXTxV.
- Fixed PC write fault in INSV.
 2011-04-15 08:34:26 -07:00
Renamed from scp_tty.c (Browse further)