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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 3.0//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML><HEAD><TITLE>
Hercules: What's new
</TITLE>
<LINK REL=STYLESHEET TYPE="text/css" HREF="hercules.css">
<link rel="shortcut icon" href="images/favicon.ico" />
<link rel="icon" href="images/favicon.ico" />
</HEAD><BODY BGCOLOR="#ffffcc" TEXT="#000000" LINK="#0000A0" VLINK="#008040" ALINK="#000000">
<h1>What's new in Hercules</h1>
<hr noshade>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 4.8
</h2>
<p>Release date: 27 March 2025
<br>Official Source and Binaries:
<a href="https://github.com/SDL-Hercules-390/hyperion/releases/tag/Release_4.8">Release_4.8</a>
<br><i>Please refer to the <a href="hercrnot.html#4.8">Release Notes</a> for important information.</i>
<ul>
<li>Fix rare Hercules crash in QETH device handling if LSO enabled
<li>Fix CCKDDU64 failure on very large (e.g. 3390-54) dasds (Andrew)
<li>Fix cckddiag/64 CFBA crash and correct associated DOC
<li>Fix storage key double-keyed 4K-byte-block bug (Pascal Parent)
<li>Fix timer interval bug in rubato_thread causing excessive CPU
<li>Fix QDIO SQBS/EQBS instruction return codes (James Wekel)
<li>Fix 17 yr. old SIE bug (Pascal Parent)
<li>Fix minor trailing path separator bug in 'sclproot' command
<li>Fix LCS device confusion with preconfigured interfaces (Ian Shorter)
<li>Fix 3880/3990 control unit chaining requirement
<li>Fix bug in ED24 LDE (LOAD LENGTHENED) instruction (Ian Shorter)
<li>Fix CTCE support for VM TSAF facility (Peter Jansen)
<li>Fix Shared Device Server/Client "CU=" mismatch bug (Fish)
<p>
<li>New: <a href="hercrnot.html#4.8">Support for 32-bit x86 Windows builds has been dropped</a> (Fish)
<li>New: Improved performance of SLA, SLDA, SLAK, and SLAG instructions (Fish)
<li>New: Compressed CKD/FBA <a href="hercrnot.html#4.8">Dasd Hardener</a> (Ross Patterson)
<li>New: card2txt: utility to translate EBCDIC cards to ASCII file
<li>New: txt2card: socket output option
<li>New: MTS (Michigan Terminal System) HIM (Host Interface Machine) device support (Mike Alexander)
<li>New: <a href="hercrnot.html#4.8">zVector Facility support</a> (salva-rczero, James Wekel, Ian Shorter)
<li>New: <a href="hercrnot.html#4.8">Message Security Assists 5 and 7</a> support (Jurgen Winkelmann)
<li>New: Report unavailable host instructions
<li>New: dasdinit: Warn if extension doesn't match compression option
<li>New: SoftFloat libs updated to new version
</ul>
<p>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 4.7
</h2>
<p>Release date: 10 March 2024
<br>Official Source and Binaries:
<a href="https://github.com/SDL-Hercules-390/hyperion/releases/tag/Release_4.7">Release_4.7</a>
<ul>
<li>Fix EX/EXRL instructions to not cause spurious PIC 3 (Tony Harminc, Fish) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/415">#415</a>
<li>Fix E7 Prefix CCW support (Aaron Finerman, Fish)
<li>Fix Read Count Suffix bug causing data corruption <a href="https://github.com/SDL-Hercules-390/hyperion/issues/575">#575</a>
<li>Fix Locate Record Write Track Operation (Aaron Finerman, Fish) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/601">#601</a>
<li>Fix Read Tracks CCW when chained from Prefix (Aaron Finerman, Fish) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/603">#603</a>
<li>Fix various ICKDSF-related CCW handling bugs (Anders Edlund, Fish) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/615">#615</a>
<li>Fix 3705 crash on attach/detach/attach (Jay Maynard)
<li>Fix usleep/nanosleep excessive host CPU consumption (Peter Jansen, Fish) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/589">#589</a>
<li>Fix '--version' and '--usage' switches (Bill Lewis)
<li>Fix TDF file emulated tape open bug (Fish)
<li>Fix maketape utility to not pad binary files (Fish)
<li>Fix Date/time parsing issue in runtest/make-check (Peter Jansen)
<li>Fix dasdseq utility Large/Extended dataset truncation (Gregory, Fish) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/602">#602</a>
<li>Fix Multi-device statement failure handling (Fish) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/604">#604</a>
<li>Fix Hang during device detach (Fish)
<li>Fix Incorrect thread priority handling (Tyler Mitchell)
<li>Fix Occasional crash on exit (Tyler Mitchell)
<li>Fix Confusing/unclear shadow file messages (Fish) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/616">#616</a>
<li>Fix cckdmap utility non-33xx dasd-type bug (Fish)
<li>Fix Shared devices 10-second-delay bug (Fish) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/624">#624</a>
<li>Fix 'ENGINES' command bug (Fish) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/626">#626</a>
<li>Fix Shutdown/exit logging (James Wekel) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/480">#480</a>, <a href="https://github.com/SDL-Hercules-390/hyperion/issues/634">#634</a>
<li>Fix Possible crash at CCKD dasd termination (Fish)
<li>Fix Inaccurate "Running on:" Windows name and version (Bill Lewis, Fish)
<p>
<li>New: Improved CU12, CU14 instruction performance (James Wekel) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/623">#623</a>
<li>New: dasdls utility '-cchh' and '-nosort' options (Ian, Fish)
<li>New: maketape utility meta-file 'BIN' keyword support (Fish)
<li>New: dasdseq utility '-record' mode support (Gregory, Fish) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/614">#614</a>
<li>New: Ability to trace only specific CCW opcodes (Fish) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/576">#576</a>
<li>New: JSON support in HTTP server <a href="https://github.com/SDL-Hercules-390/hyperion/issues/578">#578</a>
<li>New: README.DAEMON document
<li>New: 'iconpfxs' command (Fish)
<li>New: Support quoted strings in storage alteration commands (Fish)
<li>New: Add timed statistics to instruction counting (Andrey) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/588">#588</a>
<li>New: dyngui LCSS devnum support (Fish)
<li>New: Use performance cores on Apple Silicon (Enrico Sorichetti)
<li>New: Support 'clang' builds under Windows MSVC (Peter Jansen) <a href="https://github.com/SDL-Hercules-390/hyperion/issues/629">#629</a>
<li>New: Highlight 'S'evere and 'A'ction messages too (Fish)
</ul>
<p>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 4.6
</h2>
<p>Release date: 9 June 2023
<br>Official Source and Binaries:
<a href="https://github.com/SDL-Hercules-390/hyperion/releases/tag/Release_4.6">Release_4.6</a>
<br><i>Please refer to the <a href="https://sdl-hercules-390.github.io/html/hercrnot.html#4.6">Release Notes</a> for important information.</i>
<ul>
<li>SECURITY: New "\reply" SCP command to suppress command echoing of passwords (Fish) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/541">#541</a>)
<p>
<li>Fix endianness bug in PFPO instruction (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/523">#523</a>)
<li>Fix some endianness issues in TRTE and TRTRE instructions (James Wekel) (<a href="https://github.com/SDL-Hercules-390/hyperion/pull/529">#529</a>)
<li>Fix CODEPAGE message corruption in HERCIFC (Bill Lewis) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/525">#525</a>)
<li>Fix some minor z/Arch Facility related bugs (Fish)
<li>Fix BZIP2 API bug in hetlib.c (Fish) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/535">#535</a>)
<li>Fix missing last dump line bug in dasdutil trace (Fish)
<li>Fix crash if "ctc debug" command on unconnected CTCE device (Fish) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/536">#536</a>)
<li>Fix segfault in 370 mode IPL (Bill Lewis) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/538">#538</a>)
<li>Fix to show version and help if no arguments given (Fish) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/540">#540</a>, <a href="https://github.com/SDL-Hercules-390/hyperion/issues/548">#548</a>)
<li>Fix incorrect NUMCPU/ARCHLVL/etc handling causing occasional hang (Fish) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/542">#542</a>)
<li>Fix branding SNAFU: "SDL" does NOT mean this Hercules is a "SoftDevLabs" product! (Fish)
<li>Fix bug causing MVT guest to fail (Fish)
<li>Fix Program check detection if PER trace active (Fish) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/560">#560</a>)
<p>
<li>New: 'QUITMOUT' command/statement, per user request (Fish)
<li>New: "Trace to File" support (Fish) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/33">#33</a>)
<li>New "t+CPU [cpuad]" selective instruction tracing by CPU (Fish)
<li>New: Sockdev socket punch support (Fish) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/553">#553</a>)
<li>New 'txt2card' utility (Fish)
<p>
<li>Don't enable STHYI/ESSA by default (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/531">#531</a>)
<li>Improve PFPO instruction conformance (Fish)
<li>Add single devnum support to CKD Search Key trace command (Fish)
<li>Enhance "t?" command to also show active device tracing (Fish)
<li>Improve CCW tracing (Fish)
<li>Add "ADDFRR" MVS assist (Jay Maynard) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/537">#537</a>)
<li>Better HMC message handling for Linux guests (Fish) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/534">#534</a>)
<li>Document MAKETAPE via README (Fish)
<li>Add support for dasd X'F7' (DSO = Define Subsystem Operation) CCW (Fish) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/547">#547</a>)
<li>DASDLOAD: Increase MAXDSCB and allow cmdline override (Fish) (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/566">#566</a>)
</ul>
<p>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 4.5
</h2>
<p>Release date: 27 November 2022
<br>Official Source and Binaries:
<a href="https://github.com/SDL-Hercules-390/hyperion/releases/tag/Release_4.5">Release_4.5</a>
<ul>
<li><i><b>Significant</b></i> performance improvements to CLCLE, CUSE, TRE, TRTE, TRTR and TRTRE instructions
(<a href="https://github.com/SDL-Hercules-390/hyperion/issues/498">#498</a>,
<a href="https://github.com/SDL-Hercules-390/hyperion/issues/500">#500</a>,
<a href="https://github.com/SDL-Hercules-390/hyperion/issues/510">#510</a>,
<a href="https://github.com/SDL-Hercules-390/hyperion/issues/513">#513</a>,
<a href="https://github.com/SDL-Hercules-390/hyperion/issues/519">#519</a>,
<a href="https://github.com/SDL-Hercules-390/hyperion/issues/520">#520</a>)
<i>(Thank you James Wekel!)</i>
<p>
<li>Fix minor bug in STSTU (Search String Unicode) instruction
<li>Fix minor bug in CMPSC (Compression Call) instruction
<li>Fix minor bug in PFPO (Perform Floating-Point Operation) instruction (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/407">#407</a>)
<li>PER 1 GRA (General Register Alteration) support (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/87">#87</a>)
<li>z/VM TXF PER support (i.e. TXSUSPEND = Event Suppression)
<li>PER SKEY support
<li>PER Zero-Address Detection support
<li>BEAR-Enhancement Facility support
<li>Decimal Floating-Point Packed Conversion Facility support (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/496">#496</a>)
<p>
<li>Report and ignore oversized LCS outbound SNA messages
<li>Ensure same serial number on all multi-file images (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/276">#276</a>)
<li>Fix minor dasdinit negative size parameter bug (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/472">#472</a>)
<li>Fix minor dasd CCW data-chaining bug
<li>Improve CCKD handling of unusual/unexpected errors
<li>Minor corrections to CTCE documentation
<li>dasdls: sort display by dataset name
<li>Various minor cckdmap enhancements
<li>Fix rare bug in .HET locate block logic (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/518">#518</a>)
<li>Disable CCKD automatic garbage collection (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/504">#504</a>)
<p>
<li>Fix hang at exit when MLVL DEBUG is active
<li>Fix bug causing DASD corruption with s+ tracing
<li>Fix 'numcpu' handling bug causing crash (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/481">#481</a>)
<li>Ensure error message when no config file provided (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/483">#483</a>)
<li>Fix another possible Windows suspend/resume crash (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/489">#489</a>)
<li>Customized Offerings Driver (COD) support
<li>New <a href="https://sdl-hercules-390.github.io/html/hercconf.html#SYSGPORT">SYSGPORT</a> config file statement (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/505">#505</a>)
<li>Various improvements to Linux build scripts (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/454">#454</a>, <a href="https://github.com/SDL-Hercules-390/hyperion/issues/461">#461</a>)
<li>Many other various minor miscellaneous fixes and improvements to both documentation and code
</ul>
<p>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 4.4.1
</h2>
<p>Release date: 7 January 2022
<br>Official Source and Binaries:
<a href="https://github.com/SDL-Hercules-390/hyperion/releases/tag/Release_4.4.1">Release_4.4.1</a>
<br><i>Please refer to the <a href="https://sdl-hercules-390.github.io/html/hercrnot.html#4.4.1">Release Notes</a> for important information.</i>
<ul>
<li> Implement new Version string format
<li> Return fullword #of cylinders in RDC bytes 60-63 (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/456">#456</a>)
<li> Also show real address for virtual address during instruction tracing
<li> Fix possible Hercules crash after resume from suspend (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/458">#458</a>)
<li> Improved B220 (SERVC) instruction validation (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/460">#460</a>)
<li> Fix 20 yr. old CCKD compressed dasd bug causing Locate Record to fail (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/464">#464</a>)
</ul>
<p>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 4.4
</h2>
<p>Release date: 18 December 2021
<br>Official Source and Binaries:
<a href="https://github.com/SDL-Hercules-390/hyperion/releases/tag/Release_4.4">Release_4.4</a>
<br><i>Please refer to the <a href="https://sdl-hercules-390.github.io/html/hercrnot.html#4.4">Release Notes</a> for important information.</i>
<ul>
<li> Fix many SIE arch-dep violation bugs
<li> Fix to SIE handling of STFL/STFLE instructions
<li> Internal and SIE SKA Storage Key handling fixes
<li> Fix VM/ESA OPERATOR userid looping bug
<li> Preliminary SIE ESSA/STHYI instructions support
<li> Fixes to MVS assist support (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/391">#391</a>)
<li> ECPS:VM 1.88 fixes
<p>
<li> ISK/ISKE, IVSK, RRB/RRBE, SSK/SSKE, RRBM, PFMF instruction fixes
<li> Fixes to CSP/CSPG/IDTE/IPTE instructions
<li> Minor LAA/LAAG (et al.) instructions fix
<li> RRBM instruction fix
<li> PTFF instruction support for function codes 04, 05, 69 (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/363">#363</a>)
<li> Fix DAT bug in MVCOS instruction (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/349">#349</a>)
<p>
<li> Local-TLB-Clearing Facility (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/77">#77</a>)
<li> Nonquiescing Key-Setting Facility (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/77">#77</a>)
<li> Insert Reference Bits Multiple Facility (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/77">#77</a>)
<li> Miscellaneous-Instruction-Extensions Facilities 2 and 3 (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/77">#77</a>)
<li> PPA-in-order facility (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/77">#77</a>)
<li> Allow modifying "IBM" and undefined facility bits (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/353">#353</a>)
<p>
<li> LCS device fixes and improvements
<li> LCS device SNA support (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/348">#348</a>)
<li> 3270 device connection improvements (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/379">#379</a>)
<li> CTCE device fixes and improvements (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/369">#369</a>)
<li> CTCI device fix for VSE (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/446">#446</a>)
<li> Minor QETH (OSA) device fixes/improvements
<p>
<li> CCKDMAP utility CFBA/CFBA64 device support
<li> Fix to DASDLS utility shadow file logic (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/393">#393</a>)
<li> CCKDLOAD utility fix (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/374">#374</a>)
<li> Fix dasd utilities r/o access to r/w images (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/355">#355</a>)
<li> Minor "faketape" emulated tape format fix
<li> Fix possible CRASH during compressed dasd attach/detach
<p>
<li> PANOPT statement "MSGCOLOR" option
<li> PANRATE/PANTITLE replaced by PANOPT
<li> Minor MODEL/PLANT/MANUFACTURER statement fixes
<li> New -o/--output/--logfile command-line options
<p>
<li> Hardware loader fix (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/185">#185</a>, <a href="https://github.com/SDL-Hercules-390/hyperion/issues/337">#337</a>)
<li> Minor Rexx support fixes and improvements
<li> Minor External Packages updates
<li> Fixes to herclin.exe
<li> Translation Specification PIC 12 fix
<li> Improved TXF reliability and completeness
<li> Predefined CPUMODEL $(symbol) values (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/263#issuecomment-664583569">#263</a>)
<p>
<li> Improvements to building Hercules on non-Windows platforms
<li> Improvements to building Hercules on Windows platforms (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/448">#448</a>)
<li> Many other minor internal/external fixes and improvements
</ul>
<p>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 4.3
</h2>
<p>Release date: 28 November 2020
<br>Official Source and Binaries:
<a href="https://github.com/SDL-Hercules-390/hyperion/releases/tag/Release_4.3">Release_4.3</a>
<br><i>Please refer to the <a href="https://sdl-hercules-390.github.io/html/hercrnot.html#4.3">Release Notes</a> for important information.</i>
<ul>
<li> Fix ULONG_PTR typedef build errors on RHEL 6.10 (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/245">#245</a>)
<li> Add missing 3203 printer to DEVEQU table (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/250">#250</a>)
<li> Fix driver code incompatibility with other Herculeses (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/251">#251</a>)
<li> Fix issue where thread names are incorrectly set (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/254">#254</a>)
<li> Fix missing timestamp in daemon mode; add DATESTAMP option (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/259">#259</a>), (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/260">#260</a>)
<li> Fix CNSLPORT to honor new updated setting (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/318">#318</a>)
<li> <a href="hercrnot.html#4.3">Watchdog monitoring</a> reinstated.
<li> New <a href="https://sdl-hercules-390.github.io/html/hercconf.html#PANOPT">PANOPT</a> option MSGCOLOR=DARK/LIGHT
<li> Fix hang/deadlock in device-attention function (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/277">#277</a>)
<li> Improved CTCE driver functionality (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/269">#269</a>), (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/273">#273</a>)
<li> TCPNJE device support. Refer to the <a href="https://github.com/SDL-Hercules-390/hyperion/blob/master/readme/README.TCPNJE.md">README.TCPNJE</a> document for details (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/280">#280</a>)
<li> TCPNJE Connectivity And Stability Enhancements
<li> Fix RARP (Reverse ARP) Ethernet frame type constant
<li> Fix Linux panel high CPU usage (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/289">#289</a>)
<li> Fix z/VM guest architecture switching (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/295">#295</a>)
<li> Fix for IPL command without a LOADPARM (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/296">#296</a>)
<li> Work around VS2019 compiler C4789 Warning bug.
<li> Fix crash if incomplete network device group defined.
<li> Fix ooRexx v5.0.0. load failure on Apple Mac (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/301">#301</a>)
<li> Fix crash in CCKD dasd termination logic (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/303">#303</a>)
<li> Fix KIMD instruction
<li> Fix VM FixPage assist
<li> Fix channel prefetch buffer overrun crash (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/319">#319</a>)
<li> Fix instruction stepping invalidation/refetch bug (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/321">#321</a>)
<li> New z15 Secure Boot (Secure IPL) Diagnose 0x308 support
<li> Preliminary <i>(Experimental)</i> Transactional-Execution Facility (TXF) support (<a href="https://github.com/SDL-Hercules-390/hyperion/issues/263">#263</a>)
<li> MANY other internal fixes and improvements
</ul>
<p>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 4.2.1
</h2>
<p>Release date: 10 September 2019
<br>Official Source and Binaries:
<a href="https://github.com/SDL-Hercules-390/hyperion/releases/tag/Release_4.2.1">Release_4.2.1</a>
<br><i>Please refer to the <a href="https://sdl-hercules-390.github.io/html/hercrnot.html#4.2.1">Release Notes</a> for important information.</i>
<ul>
<li> Make HHC02917 a suppressible msglevel debug only message
<li> Fix CKD suffixed read count file protect bug
<li> CKD dasd serial number support
<li> New "dasdser" serial number utility
<li> Fix various VMFPLC2 issues
<li> Fix Linux exit/quit hang when no traffic on tuntap device
<li> Fix QETH (OSA) missing CSCH interrupt under z/VM
<li> Don't pass "&&" async argument to rexx scripts
<li> Fix bogus HHC01111W warning and cctape display
<li> hercifc network interface configuration utility fixes
<li> SIE fix for z/VM z/Arch real mode guests (e.g. zcms)
<li> Various important 3215/1052 console fixes
<li> Various other minor internal fixes and improvements
</ul>
<p>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 4.2</h2>
<p>Release date: 8 July 2019
<br>Official Source and Binaries:
<a href="https://github.com/SDL-Hercules-390/hyperion/releases/tag/Release_4.2">Release_4.2</a>
<br><i>Please refer to the <a href="https://sdl-hercules-390.github.io/html/hercrnot.html#4.2">Release Notes</a> for important information.</i>
<ul>
<li> Load-and-Zero-Rightmost-Byte Facility
<li> Load/Store-on-Condition Facility 2
<li> Full PFPO instruction support
<li> Fix AR/SR/AGR/SRG instructions Condition Code bug
<li> Improved CKSM, MVST, CLST, SRST instruction performance
<li> Optimized CLCL instruction bugfix
<li> CSST instruction fix
<li> TCPIP X'75' instruction support
<li> Improved internal instruction count accuracy
<li> New Diagnose F09 (enhanced F08) instruction
<li> Fix long standing occasional crash in CCKD logic
<li> Fix Shared Devices slow disconnect
<li> CKD dasd suffixed Read Count bug fix
<li> CCKD64 support
<li> QETH/OSA devices HSCH/CSCH instruction fix
<li> QETH/OSA multiple IP address support
<li> Various QETH/OSA fixes
<li> Linux sockdev syn flooding fix
<li> Minor LCS Checksum / TCP Segmentation Offload fixes
<li> CTCT device support reinstated
<li> Tape autoinit fix
<li> 3590 Tape C2 Medium Sense CCW fix
<li> Various 3270 terminal handling fixes
<li> Automatic tn3270 IND$FILE efficiency
<li> Enhanced VMFPLC2 utility
<li> dasdpdsu utility fix
<li> Breakpoint/Stepping optional ASID parameter
<li> New PANOPT statement/command
<li> Linux crash dump support (no more machine checks)
<li> Many various overall reliability, stability and documentation improvements
</ul>
<p>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 4.1</h2>
<p>Release date: 10 November 2018
<br>Official Source and Binaries:
<a href="https://github.com/SDL-Hercules-390/hyperion/releases/tag/Release_4.1">Release_4.1</a>
<br><i>Please refer to the <a href="https://sdl-hercules-390.github.io/html/hercrnot.html#4.1">Release Notes</a> for important information.</i>
<ul>
<li>Jay Moseley 'maketape' utility added to Hercules
<li>LRVR, LRV and LRVH eligible added to S37X Facility <i>(Ivan Warren)</i>
<li>Fix long standing SIE host addressing prefixing bug <i>(Ivan Warren)</i>
<li>External Package support simplified and fixed to support Raspberry Pi
<li>QETH (OSA) device support fixes <i>(Ian Shorter, Peter Jansen)</i>
<li>Various Rexx support fixes
<li>DIAG 204 (LPAR information) fix <i>(Ivan Warren)</i>
<li>SoftFloat external package updated to version 3e (fixes square root) <i>(Steve Orso)</i>
<li>Crypto support fixed to use cryptographically secure random number generator
<li>ECPS:VM 1.87 enhancements and bug fixes <i>(Bob Polmanter)</i>
<li>Instruction counting accuracy improved
<li>Fix ./configure so --enable-optimization always honored
<li>Fix dasdls crash
<li>Improved TELNET Terminal Type negotiations
<li>Fix min/max internal thread priorities
<li>Fixes to allow building on Apple MacOS <i>(Enrico Sorichetti, Peter Jansen)</i>
<li>Fix bad commit causing utilities to crash <i>(Paul Gorlinsky)</i>
<li>Performance of TRT, CLC, CLCL and MVCIN instructions vastly improved <i>(Fish and Ivan Warren)</i>
</ul>
<p>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in release 3.13</h2>
<p>Release date: 30 September 2017
<ul>
<li>CTC corrections (Peter J. Jansen)
<li>ECPS:VM corrections (Bob Polmanter)
<li>SIE corrections (Ivan Warren)
<li>PCC,KM,KMCTR,CUxx,CSST corrections (Juergen Winkelmann)
<li>Miscellaneous bug fixes (Drew Derbyshire, Doug Wade, Peter Coghlan,
Peter J. Jansen, Alexei Chmelev, Gert Caers)
</ul>
<p>Download
<a href="http://downloads.hercules-390.eu/hercules-3.13.tar.gz">hercules-3.13.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in release 3.12</h2>
<p>Release date: 30 November 2015
<ul>
<li>dasdload corrections and support for loading ASCII TEXT files (Roger Bowler)
<li>comm3705_RU-size+unack_attn_delay patch (Juergen Winkelmann)
<li>CCKDDUMP/CCKDLOAD support for DSNTYPE=LARGE (Christophe Varlet)
<li>CMPSC corrections (Bernard van der Helm)
<li>Miscellaneous bug fixes (Peter Coghlan, Gert Caers, Giuseppe Vitillaro,
Bill Carlborg, David "Fish" Trout)
</ul>
<p>Download
<a href="http://downloads.hercules-390.eu/hercules-3.12.tar.gz">hercules-3.12.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 3.11</h2>
<p>Release date: 15 September 2014
<ul>
<li>Floating-Point-Extension Facility (Roger Bowler)
<li>Enhanced Channel-to-Channel Adapter via TCP/IP (Peter J. Jansen)
<li>Load/Store-on-Condition Facility corrections (Neale Ferguson)
<li>LCS corrections (Paul Gorlinsky, David "Fish" Trout, Ivan Warren)
<li>Floating-Point-Extension Facility corrections (Neale Ferguson)
<li>CMPSC corrections (Bernard van der Helm)
<li>Load sequential datasets from XMIT files (Roger Bowler)
<li>Eliminate compiler warnings for Linux and Mac (Roger Bowler)
</ul>
<p>Download
<a href="http://downloads.hercules-390.eu/hercules-3.11.tar.gz">hercules-3.11.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 3.10</h2>
<p>Release date: 1 February 2014
<ul>
<li>Fix incorrect PSW IA in SIE mode with PER (Ian Worthington)
<li>Corrections to build procedures (Mike Frysinger, Dan Horak)
<li>Fixes for Mac OS X (Butch Anton, Adam Vandenberg, Enrico Sorichetti)
<li>Configuration topology facility fixes (Paolo Giacobbis)
<li>Convert BFP instructions to use SoftFloat package (Roger Bowler)
<li>Preliminary support for 2GB page frames (Roger Bowler)
<li>PFMF fixes (John P. Hartmann)
<li>CMPSC corrections (Bernard van der Helm)
<li>dasdls enhancements (Chris Cheney)
</ul>
<p>Download:
<a href="http://downloads.hercules-390.eu/hercules-3.10.tar.gz">hercules-3.10.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 3.09</h2>
<p>Release date: 15 July 2013
<ul>
<li>Allow regex replacement variables in HAO commands (Roger Bowler)
<li>Prevent duplicate EQID (Gordon Bonorchis)
<li>Permit concurrent read access to printer and punch files (Roger Bowler)
<li>DFP zoned-conversion facility (Roger Bowler)
<li>Execution-hint facility (Roger Bowler)
<li>Miscellaneous-instruction-extensions facility (Roger Bowler)
<li>Load-and-trap facility (Roger Bowler)
<li>Fix for VSAM Extended Format (David "Fish" Trout)
<li>APL\360 2741 patch (Max H. Parke)
<li>Fix interval timer repeating interrupt (Ivan Warren, Kevin Leonard)
<li>Corrections to build procedures (Mike Frysinger, Dan Horak)
<li>Miscellaneous bug fixes (Roger Bowler)
</ul>
<p>Download:
<a href="http://downloads.hercules-390.eu/hercules-3.09.tar.gz">hercules-3.09.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 3.08</h2>
<p>Release date: 8 December 2012
<ul>
<li>1403 and 3211 FCB support (Enrico Sorichetti)
<li>Shutdown on SIGTERM (Frans Pop)
<li>Disable close-window button (Paul Gorlinsky)
<li>Allow larger IPL text (Laddie Hanus)
<li>Drop support for Cygwin, Win98, WinNT, Win2000 (Roger Bowler)
<li>Windows shutdown handlers (Paul Gorlinsky)
<li>Dynamically loadable instructions (Jan Jaeger)
<li>Additional codepages (Kevin Leonard)
<li>Load/Store-on-Condition Facility (Roger Bowler)
<li>Distinct-Operands Facility (Roger Bowler)
<li>Population-Count Facility (Roger Bowler)
<li>High-Word Facility (Roger Bowler)
<li>Message Security Assist Extensions 3 and 4 (Bernard van der Helm)
<li>Interlocked-Access Facility (Roger Bowler)
<li>CMPSC-Enhancement Facility (Bernard van der Helm)
<li>Fast-BCR-Serialization Facility (Roger Bowler)
<li>Reset-Reference-Bits-Multiple Facility (Jan Jaeger)
<li>Access-Exception-Fetch/Store-Indication Facility (Roger Bowler)
<li>Enhanced-Monitor Facility (Jan Jaeger)
<li>Load-Program-Parameter Facility (Paul Gorlinsky)
<li>IPTE-Range Facility (Jan Jaeger)
<li>Enhanced-DAT Facility (Jan Jaeger)
<li>Increase CKD_MAXFILES from 4 to 27 for 3390-27 and -54 (Paul Gorlinsky)
<li>CKD read attention message command (Florian Bilek)
<li>Support 128 CPUs on 64-bit Linux (Jan Jaeger)
<li>Issue Hercules commands via HTTP (Robert Hodge)
<li>Compression performance enhancements (Bernard van der Helm)
<li>Compression bug fixes (Bernard van der Helm, John P. Hartmann)
<li>Crypto bug fixes (Bernard van der Helm)
<li>Hexadecimal floating-point bug fixes (Andy Polyakov)
<li>SCSI tape enhancements and bug fixes (David "Fish" Trout)
<li>3420 sense code corrections for MTS (Harold Grovesteen)
<li>Prevent multiple instances opening same output file under Windows (David "Fish" Trout)
<li>2703 and 3705 fixes and 3791 support (Max H. Parke, Juergen Winkelmann)
<li>Enable GUI support as default for all platforms (Jacob Dekel)
<li>Miscellaneous bug fixes (Paul Gorlinsky, Ivan Warren, David "Fish" Trout, Jan Jaeger,
Bernard van der Helm, Roger Bowler, Kevin Leonard, Ian Shorter, John P. Hartmann)
</ul>
<p>Download:
<a href="http://downloads.hercules-390.eu/hercules-3.08.tar.gz">hercules-3.08.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 3.07</h2>
<p>Release date: 10 March 2010
<ul>
<li>Fast Synchronous Data Mover Facility (Guy Desbiens)
<li>Diagnose 210, 250, 260 (Harold Grovesteen)
<li>Extended Diagnose 204 feature (Jan Jaeger)
<li>Complete Diagnose 24 (Harold Grovesteen)
<li>Configuration-Topology Facility (Fish)
<li>HFP-Unnormalized-Extensions Facility (Harold Grovesteen)
<li>CMPSC performance improvements (Bernard van der Helm)
<li>uptime command (Fish)
<li>Raise XPNDSIZE limit to 1048576MB (Roger Bowler)
<li>MAXCPU and LPARNUM configuration statements (Roger Bowler)
<li>Add capacity model identifiers to MODEL config statement (Roger Bowler)
<li>SCLPROOT configuration statement (Jan Jaeger)
<li>Add "noclear" option to printer and card punch devices (Jay Maynard)
<li>Socket printer support (Fish)
<li>3705 SNA device support (Max H. Parke)
<li>TTY and 2741 support for 2703 (Max H. Parke)
<li>Tracing enhancements (Jan Jaeger)
<li>Allow configure --enable-external-gui for Unix builds
<li>Enable tun/tap emulation for 64-bit Windows builds (Ivan Warren)
<li>64-bit Windows support (Roger Bowler)
<li>Raise MAX_CPU_ENGINES limit to 64 (Roger Bowler, Ivan Warren)
<li>Numerous bug fixes (Ivan Warren, Fish, Jan Jaeger, Bernard van der Helm,
Roger Bowler, Jay Maynard)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-3.07.tar.gz">hercules-3.07.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 3.06</h2>
<p>Release date: 11 January 2009
<ul>
<li>Integrated 3270 (SYSG) console support (Roger Bowler, Jan Jaeger)
<li>HMC DVD-RAM read/write support (Jan Jaeger)
<li>64-bit native version now supported on Mac OS X (Jay Maynard)
<li>Ability to specify IFL, zIIP, and zAAP engine types (Roger Bowler, Jan
Jaeger, Ivan Warren)
<li>Console-like message handling (David "Fish" Trout, Bernard van der Helm)
<li>Tape automount CCW support (David "Fish" Trout)
<li>CKD Locate Record Extended CCW (Greg Smith)
<li>Support for FLEX-ES FakeTape tape images (David "Fish" Trout; FLEX-ES and
FakeTape are trademarks of Fundamental Software, Inc.)
<li>More complete 3490 and 3590 tape support (David "Fish" Trout)
<li>Solaris build support (Jeff Savit)
<li>FreeBSD build support (Bjoern A. Zeeb)
<li>Panel enhancements:
<ul>
<li>Display virtual storage in primary, secondary, and home space (Paul Leisy)
<li>Display and modify PSW fields by panel command (Roger Bowler)
<li>Modify control registers by panel command (Roger Bowler)
<li>Specify IPL parameter by PARM operand (Ivan Warren)
<li>New panel commands: automount, cmdtgt, ctc, herc, msghld, pscp, scp,
sfk (David "Fish" Trout, Bernard van der Helm)
</ul>
<li>LEGACYSENSEID configuration statement (Ivan Warren)
<li>New instruction feature support (introduced with System z10):
<ul>
<li>Parsing-Enhancement Facility (Bernard van der Helm)
<li>Message-Security-Assist Extension 2 (Bernard van der Helm)
<li>General-Instructions-Extension Facility (Roger Bowler, Jan Jaeger)
<li>Execute-Extensions Facility (Bernard van der Helm)
<li>Move-with-Optional-Specifications Facility (Roger Bowler)
<li>Compare-and-Swap-and-Store Facility 2 (Ivan Warren)
</ul>
<li>Many emulation fixes (Roger Bowler, Jan Jaeger, Ivan Warren, David
"Fish" Trout, Greg Smith, Paul Leisy, Jay Maynard, Bernard van der Helm,
Kevin Leonard, Tony Harminc)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-3.06.tar.gz">hercules-3.06.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 3.05</h2>
<p>Release date: 23 June 2007
<ul>
<li>Prebuilt Cygwin binary no longer supplied; building Cygwin version from
source still supported (Jay Maynard)
<li>New system features: Compare-and-Swap-and-Store, Conditional SSKE, Decimal
Floating Point, Floating Point Support Enhancement (Roger Bowler)
<li>Extract CPU Time Facility (Jan Jaeger)
<li>Multiple Logical Channel Subsystems Facility (Jan Jaeger, Ivan Warren)
<li>3590 tape support (David "Fish" Trout)
<li>3990-6 control unit and ECKD support (Greg Smith)
<li>Many performance improvements (Greg Smith, Ivan Warren, Jan Jaeger)
<li>Many emulation fixes (Greg Smith, Roger Bowler, Ivan Warren, David
"Fish" Trout, Kevin Leonard, Peter Coghlan)
<li>Major SCSI tape fixes (David "Fish" Trout)
<li>Added floating point instructions CGER, CGDR and CGXR (Bernard van der
Helm)
<li>Address range options for instruction trace and step (Greg Smith)
<li>Update gpr registers via panel command (David "Fish" Trout)
<li>Console connection keepalive (David "Fish" Trout)
<li>Customizable 3270 connection screen (Ivan Warren)
<li>dasdconv quiet and stdin options (Roger Bowler)
<li>Hercules Automatic Operator (Bernard van der Helm, David "Fish" Trout)
<li>Enhanced symbol substitution (Leland Lucius, Enrico Sorichetti, David "Fish" Trout)
<li>Miscellaneous new panel commands: qd (Greg Smith), fpc, traceopt (Roger
Bowler), logopt (Kevin Leonard), cd, pwd, timerint, defsym (David "Fish" Trout)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-3.05.tar.gz">hercules-3.05.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 3.04.1</h2>
<p>Release date: 25 March 2006
<ul>
<li>Fix to allow building for Intel-based Mac OS X (Jay Maynard)
<br>Note: This version only applies to the Mac OS X 10.4 (Tiger) platform.
Version 3.04 is current for all other platforms.
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-3.04.1.tar.gz">hercules-3.04.1.tar.gz</a>
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<h2>What's new in Version 3.04</h2>
<p>Release date: 24 February 2006
<ul>
<li>CCKD garbage collection fix (Greg Smith)
<li>Reworked timing functions (Jan Jaeger)
<li>Codepage 1047 conversion tables (Kevin Leonard)
<li>Fixed off-by-one-day bug with SYSEPOCH other than 1900; added new config
parameter, YROFFSET, and added warning if SYSEPOCH is not 1900 or 1960 (Jay
Maynard, Jan Jaeger)
<li>New 2305 CKD disk emulation (Jay Maynard)
<li>Added floating point instructions CEGR, CDGR and CXGR (Bernard van der
Helm)
<li>Added support for cgi-bin dynamic modules (David "Fish" Trout)
<li>Instruction fixes: PLO, CVB, CXFBR, CXGBR (Bernard van der Helm, David
"Fish" Trout, Greg Smith, Pasi Pirhonen)
<li>Fix for Windows ..\relative path dasd files (David "Fish" Trout)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-3.04.tar.gz">hercules-3.04.tar.gz</a>
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<h2>What's new in Version 3.03.1</h2>
<p>Release date: 30 December 2005
<ul>
<li>Fix translation exception bug that was causing some Linux kernels to
panic (Fabrizio Calabretta, Greg Smith, Ivan Warren)
<li>TOD Clock-Steering Facility (Jan Jaeger, Bernard van der Helm)
<li>Fix bug in shadow file filename processing on native Windows (David
"Fish" Trout)
<li>Performance improvements in TM instruction family (Bernard van der Helm)
<li>Support for Linux zipl LOADPARM of PROMPT (Jan Jaeger)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-3.03.1.tar.gz">hercules-3.03.1.tar.gz</a>
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<h2>What's new in Version 3.03</h2>
<p>Release date: 20 December 2005
<ul>
<li>Native Windows version no longer requires Cygwin (David "Fish" Trout,
Roger Bowler, Ivan Warren)
<li>SMP host integrity fixes (Greg Smith, David "Fish" Trout, Bob Deblier)
<li>ALS5, z9 and other architectural enhancements (Roger Bowler, Bernard van
der Helm, Jan Jaeger, David "Fish" Trout)
<li>Restructured cryptographic support no longer depends on libgcrypt
(Bernard van der Helm, Roger Bowler, Ivan Warren)
<li>Support emulation of up to 32 CPUs; maximum without special build
options now 8 (Ivan Warren)
<li>Enhanced semigraphical control panel now uses all of larger console
windows (Greg Smith, David "Fish" Trout)
<li>Many emulation fixes (Roger Bowler, Jan Jaeger, Bernard van der Helm,
David "Fish" Trout, Greg Smith, Ivan Warren, Andy Styles, John Decker)
<li>CMPSC fixes now produce identical results with real systems (Jacques
Dilbert, Bernard van der Helm)
<li>Integrated 1052-C / 3215-C console support (Jan Jaeger)
<li>tapecopy support for writing as well as reading tapes (Jay Maynard)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-3.03.tar.gz">hercules-3.03.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 3.02</h2>
<p>Release date: 11 December 2004
<ul>
<li>Significant performance improvements (Jan Jaeger, Greg Smith, Gabor Hoffer)
<li>SIE performance almost the same as native (Jan Jaeger, Gabor Hoffer)
<li>SCSI tape support in Windows (David "Fish" Trout)
<li>Mac OS X CTC networking support (Jay Maynard)
<li>Suspend/resume facility (Greg Smith)
<li>ASN-and-LX-Reuse Facility (Roger Bowler)
<li>Enable or disable ASN-and-LX-reuse in config (Jan Jaeger, Ivan Warren)
<li>Extended Translation Facility 3 (Bernard van der Helm)
<li>DAT-enhancement facility (Roger Bowler)
<li>Immediate CCWs now correctly handled when Suppress Incorrect Length
Indication is specified (Ivan Warren)
<li>3270 option provided to control connection to group of devices (Ivan
Warren)
<li>3270 connections can be limited by IP address (David "Fish" Trout)
<li>Remaining 26 binary floating point instructions (Roger Bowler)
<li>IPL CLear, System Reset, and System Reset Clear operator commands (Ivan
Warren)
<li>Pentium 4 optimizations enabled in gcc (Ivan Warren)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-3.02.tar.gz">hercules-3.02.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 3.01</h2>
<p>Release date: 30 November 2003
<ul>
<li>Bypass gcc 2.96 optimizer bug that caused incorrect instruction
execution (Ivan Warren)
<li>Added command-line control panel command history (Martin Gasparovic,
Volker Bandke)
<li>Message Security Assist (Bernard van der Helm, Jan Jaeger)
<li>Fixed device interrupt pending on IPL that caused OS/360 to have to be
IPLed twice (David "Fish" Trout, Greg Smith)
<li>Added pthreads trace function for debugging (Greg Smith)
<li>Fish threads code rewritten, closer to POSIX thread functionality while
still performing better (David "Fish" Trout)
<li>Fixed incompatibility with Windows NT telnet client (Greg Price, David
"Fish" Trout)
<li>Performance and integrity enhancements for RS instructions (Greg Smith)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-3.01.tar.gz">hercules-3.01.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 3.00</h2>
<p>Release date: 2 October 2003
<ul>
<li>Dynamically loaded module support for devices, instructions, and
operator console panels (Jan Jaeger, David "Fish" Trout, Ivan Warren)
<li>Shared and remote DASD support (Greg Smith)
<li>z990 (ALS4) instruction support (Roger Bowler, Jan Jaeger, Bernard van
der Helm)
<li>HFP Multiply-Add/Subtract Facility (Roger Bowler)
<li>Long Displacement Facility (Roger Bowler)
<li>Simplified network adapter specifications (David "Fish" Trout, Jim
Pierson)
<li>New device emulations: 2703, 3410, 3490, 9347 (Ivan Warren)
<li>ECPS:VM support (Ivan Warren)
<li>Reworked process priority handling (Mark Gaubatz)
<li>Greatly improved interval timer resolution (Mark Gaubatz)
<li>Internal consistency checking improvvements (Greg Smith)
<li>Corrected 3270 session disconnect processing (Ivan Warren)
<li>Instruction disassembler in control panel (Jan Jaeger)
<li>Tape read backward fixes (Jay Jaeger)
<li>Fix for double memory consumption bug on Windows (Mark D., David
"Fish" Trout)
<li>OMA tape processing fixes (Ivan Warren)
<li>Message logging restructuring (Jan Jaeger, David "Fish" Trout)
<li>S/370 I/O race condition fixes (Victor Shkamerda, Greg Smith)
<li>Manual pages for some commands (Jim Morrison)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-3.00.tar.gz">hercules-3.00.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 2.17.1</h2>
<p>Release date: 12 February 2003
<ul>
<li>Corrected RPM installed files permissions (John Summerfield)
<li>Corrected dasdload verbosity level (Jay Maynard)
<li>Corrected card reader eof/intrq option handling, added * to designate
no file loaded (Jay Maynard)
<li>Correct SLB instruction condition code (Jan Jaeger)
<li>Fix dasdutil.c track conversion function (Jim Morrison)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-2.17.1.tar.gz">hercules-2.17.1.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 2.17</h2>
<p>Release date: 1 February 2003
<ul>
<li>Restructured DASD subsystem: better use of memory,
compressed FBA support, framework for shared DASD (Greg Smith)
<li>New dasdcopy utility replaces ckd2cckd and cckd2ckd, and adds
compressed FBA support (Greg Smith)
<li>Native support for Mac OS X 10.2 and above (Paul Scott)
<li>Reworked CTC and LCS emulation (Jim Pierson)
<li>SMP host integrity fixes (Greg Smith and Jan Jaeger)
<li>Fixes for compile errors with gcc 3.x (Greg Smith and David "Fish" Trout)
<li>S/370 dual address space and MVS assist fixes (Jan Jaeger)
<li>Renumbered all messages to consistent format, removed duplicate
numbers, and began message documentation (Jay Maynard)
<li>Added options for 1052/3215 consoles and card readers (Jay Maynard)
<li>Numerous instruction and I/O emulation fixes (Greg
Smith, Jan Jaeger, Juergen Dobrinski, Bernard van der Helm,
Andy Norrie, and David "Fish" Trout)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-2.17.tar.gz">hercules-2.17.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 2.16.5</h2>
<p>Release date: 8 July 2002
<ul>
<li>Correct serious CCKD image file corruption error (Greg Smith)
<li>Allow tape files to be opened for input if on CD-ROM (Volker Bandke)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-2.16.5.tar.gz">hercules-2.16.5.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 2.16.4</h2>
<p>Release date: 3 July 2002
<ul>
<li>Read backward support for emulated tape (Volker Bandke)
<li>Added 9313, 9332, and 9335 to list of supported devices (Tomas Masek)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-2.16.4.tar.gz">hercules-2.16.4.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 2.16.3</h2>
<p>Release date: 2 July 2002
<ul>
<li>CTC fix for TurboLinux bug (Jim Pierson)
<li>3287 printer support via TN3270 (Tomas Masek)
<li>S/370 extended memory fixes (Tomas Masek)
<li>ctcadpt.c compilation fix for FreeBSD (Mark Szlaga)
<li>Fixed 3270 ERASE ALL UNPROTECTED command to not count data read
(Tomas Fott)
<li>Fixes to ckdtab in dasdtab.c (Greg Smith)
<li>Retrofitted cckd chkdsk fixes/enhancements (Greg Smith)
<li>FBA fixes contributed by Tomas Masek (Greg Smith)
<li>Compatibility fixes for cckd and 2.17 (Greg Smith)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-2.16.3.tar.gz">hercules-2.16.3.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 2.16.2</h2>
<p>Release date: 20 May 2002
<ul>
<li>Fixed 3350 dasdtab entry (Greg Smith)
<li>Fixed 370 interval timer error (Valery Pogonchenko)
<li>Control panel attach command bug fix (David "Fish" Trout)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-2.16.2.tar.gz">hercules-2.16.2.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 2.16.1</h2>
<p>Release date: 4 May 2002
<ul>
<li>fthreads locking fixes (David "Fish" Trout)
<li>dasdload bug fix (Greg Smith)
<li>FBA dasd devices allow any size disk (Jay Maynard)
<li>Control panel attach command bug fix (Kris Van Hees)
<li>Windows versions (finally) accessible from main page (Jay Maynard)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-2.16.1.tar.gz">hercules-2.16.1.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 2.16</h2>
<p>Release date: 20 April 2002
<ul>
<li>PER support (Jan Jaeger, Paul Leisy)
<li>S/370 multiprocessor support (Jan Jaeger)
<li>Licensed software restriction (Jan Jaeger, Jay Maynard)
<li>Performance mods (Gabor Hoffer, Juergen Dobrinski, Greg Smith, and Paul
Leisy)
<li>Interrupt subclass priorities (Greg Smith)
<li>dasdcat program (Malcolm Beattie, Roger Bowler)
<li>Updated TCP/IP documentation (Roger Bowler)
<li>CTCI support for Windows (David "Fish" Trout)
<li>Print to unix pipe (Roger Bowler)
<li>Preliminary Lan Channel Station (LCS) support
<li>HTTP server (Jan Jaeger)
<li>Various fixes (as recorded in CHANGES) (Paul Leisy, Matt Zimmerman,
Greg Smith, Volker Bandke, Bernard van der Helm, David "Fish" Trout)
</ul>
<p>Download:
<a href="http://www.hercules-390.org/hercules-2.16.tar.gz">hercules-2.16.tar.gz</a>
<!-- ---------------------------------------------------------------------------- -->
<h2>What's new in Version 2.15</h2>
<p>Release date: 04 December 2001
<ul>