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$Id: README.txt 680 2015-05-14 13:29:46Z mueller $
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$Id: README.txt 687 2015-06-05 09:03:34Z mueller $
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Release notes for w11a
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Release notes for w11a
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Table of content:
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Table of content:
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* w11a_os_guide.txt: booting operating systems
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* w11a_os_guide.txt: booting operating systems
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* w11a_known_issues.txt: known differences, limitations and issues
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* w11a_known_issues.txt: known differences, limitations and issues
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2. Change Log ----------------------------------------------------------------
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2. Change Log ----------------------------------------------------------------
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- trunk (2015-06-05: svn rev 31(oc) 687(wfjm); untagged w11a_V0.66) +++++++++
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- Preface
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- Since the previous release a full set of small, medium and large sized
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disks (RK,RL,RP/RM) is available, covering all use cases. Still missing
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was a tape system, which allows to install systems from distribution tapes
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but is also very handy for data exchange. This release adds a TM11/TU10
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tape controller emulation. This is much simpler to implement than a
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massbus based TU16 or TU78 controller. Because storage is emulated there
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is neither a speed nor a capacity advantage of 1600 or 6250 bpi drives,
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so for all practical purposes the simple 800 bpi TU10 drive emulation is
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fully adequate.
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The TM11/TU10 was tested under 211bsd with creating a tape distribution
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kit and building a RP06 based system from such a tape. A 211bsd_tm
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oskit is provided with a recipe to restore a RP06 from tape.
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- bug fixes
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- the ti_rri event loop aborted under heavy load with three devices, seen
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when RP disk, TM tape and DL11 run simultaneously. Was caused by a race
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condition in attention handling and dispatching.
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- the boot command failed when cpu was running and the unit not decoded
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properly, so boots from units other then 0 failed.
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- Summary
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- added TM11/TU10 tape support
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- New features
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- new modules
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- rtl/ibus/ibdr_rm11 - ibus controller for RM11
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- tools/bin
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- file2tap - create a tap container from disk files
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- tap2file - split a tap container into disk files
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- tools/src/librw11
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- Rw11(Cntl|Unit)TM11 - Controller/Unit for TM11
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- Rw11UnitTape(|Base) - support for tape units
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- Rw11VirtTape(|Tap) - virtual tapes (generic and tap containers)
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- tools/tcl/rw11
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- tbench.tcl - support sub directories and return in tests
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- new oskits
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- tools/oskit/211bsd_tm - 2.11BSD tape distribution kit (for RP06)
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- Changes
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- renames
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- tools/tbench - the text benches were re-organized and
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grouped now in sub directories:
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cp for w11a control port
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w11a for w11a CPU tests
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rhrp for RHRP device tests
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tm11 for TM11 device tests
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- functional changes
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- tools/bin/create_disk - add RM80 support
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- Bug fixes
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- tools/src/librlink
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- RlinkServer - fix race condition in attention handling
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- tools/src/librw11
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- Rw11Cpu - stop cpu before load, proper unit handling
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- Known issues
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- all issues: see README_known_issues.txt
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- resolved issues: -- none --
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- new issues:
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- V0.66-1: the TM11 controller transfers data byte wise (all disk do it
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16bit word wise) and allows for odd byte length transfers. Odd length
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transfers are currently not supported and rejected as invalid command.
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Odd byte length records aren't used by OS, if at all, so in practice
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this limitation isn't relevant.
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- V0.66-2: using two RP06 drives in parallel under 211bsd leads to a
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hangup of the system after a short time. Currently only operation
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of a single drive works reliably.
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- trunk (2015-05-14: svn rev 30(oc) 681(wfjm); untagged w11a_V0.65) +++++++++
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- trunk (2015-05-14: svn rev 30(oc) 681(wfjm); untagged w11a_V0.65) +++++++++
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- Preface
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- Preface
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- With small RK05 or RL02 sized disks only quite reduced OS setups could
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- With small RK05 or RL02 sized disks only quite reduced OS setups could
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be booted, full featured systems were beyond reach. Now finally large
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be booted, full featured systems were beyond reach. Now finally large
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- tools/asm-11/lib - definitions and macros for asm-11
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- tools/asm-11/lib - definitions and macros for asm-11
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- new modules
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- new modules
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- rtl/vlib/serport
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- rtl/vlib/serport
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- serport_master - serial port module, master side
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- serport_master - serial port module, master side
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- rtl/ibus/ibd_ibmon - ibus monitor
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- rtl/ibus/ibd_ibmon - ibus monitor
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- rtl/ibus/ibdr_rhrp - ibus controller for RH70 plus RP/RM drives
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- rtl/w11a/pdp11_sys70 - 11/70 system - single core +rbus,debug,cache
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- rtl/w11a/pdp11_sys70 - 11/70 system - single core +rbus,debug,cache
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- rtl/w11a/pdp11_hio70 - hio led and dsp for sys70
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- rtl/w11a/pdp11_hio70 - hio led and dsp for sys70
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- tools/src/librw11
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- tools/src/librw11
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- Rw11(Cntl|Unit)RHRP - Controller/Unit for RHRP
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- Rw11(Cntl|Unit)RHRP - Controller/Unit for RHRP
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- tools/tbench
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- tools/tbench
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