| 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 |