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$Id: README.txt 579 2014-08-08 20:39:46Z mueller $
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Release notes for w11a
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Table of content:
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1. Documentation
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2. Change Log
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1. Documentation -------------------------------------------------------------
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More detailed information on installation, build and test can be found
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in the doc directory, specifically
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* README.txt: release notes
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* INSTALL.txt: installation and building test benches and systems
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* FILES.txt: short description of the directory layout, what is where ?
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* w11a_tb_guide.txt: running test benches
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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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2. Change Log ----------------------------------------------------------------
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- trunk (2014-08-08: svn rev 25(oc) 579(wfjm); tagged w11a_V0.61) ++++++++++
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- Summary
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- The div instruction gave wrong results in some corner cases when either
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divisor or quotient were the largest negative integer (100000 or -32768).
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This is corrected now, for details see ECO-026-div.txt
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- some minor updates and fixes to support scripts
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- xtwi usage and XTWI_PATH setup explained in INSTALL.txt
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- New features
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- the Makefile's for in all rtl building block directories allow now to
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configure the target board for a test synthesis via the XTW_BOARD
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environment variable or XTW_BOARD= make option.
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- Changes
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- tools/bin/asm-11 - add call and return opcodes
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- tools/bin/create_disk - add RM02,RM05,RP04,RP07 support
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- tools/bin/tbw - use xtwi to start ISim models
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- tools/bin/ticonv_pdpcp - add --tout and --cmax; support .sdef
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- tools/dox/*.Doxyfile - use now doxygen 1.8.7
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- tools/src/librw11
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- Rw11CntlRK11 - add statistics
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- Bug fixes
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- rtl/w11a - div bug ECO-026
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- pdp11_munit - port changes; fix divide logic
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- pdp11_sequencer - s_opg_div_sr: check for late div_quit
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- pdp11_dpath - port changes for pdp11_munit
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- tools/bin/create_disk - repair --boot option (was inaccessible)
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- tools/bin/ti_w11 - split args now into ti_w11 opts and cmds
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- tools/src/librwxxtpp
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- RtclRw11Cpu - redo estatdef logic; avoid LastExpect()
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- tools/dox/make_doxy - create directories, fix 'to view use' text
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- w11a_V0.6 (2014-06-06) +++++++++++++++++++++++++++++++++++++++++++++++++++++
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cummulative summary of key changes from w11a_V0.5 to w11a_V0.60
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- revised ibus protocol V2 (in w11a_V0.51)
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- revised rbus protocol V3 (in w11a_V0.52)
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- backend server rewritten in C++ and Tcl (in w11a_V0.53 and w11a_V0.562)
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- add Nexys3 port of w11a (in w11a_V0.54)
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- add Cypress FX2 support (in w11a_V0.56 and w11a_V0.57)
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- added LP11,PC11 support (in w11a_V0.58)
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- reference system now ISE 14.7 and Ubuntu 12.04 64 bit, ghdl 0.31
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- many code cleanups; use numeric_std
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- many documentation improvements
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- development status upgraded to beta (from alpha)
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for details see README-w11a_V.50-w11a_V0.60.txt
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- w11a_V0.5 (2010-07-23) +++++++++++++++++++++++++++++++++++++++++++++++++++++
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Initial release with
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- w11a CPU core
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- basic set of peripherals: kw11l, dl11, lp11, pc11, rk11/rk05
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- just for fun: iist (not fully implemented and tested yet)
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- two complete system configurations with
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- for a Digilent S3BOARD rtl/sys_gen/w11a/s3board/sys_w11a_s3
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- for a Digilent Nexys2 rtl/sys_gen/w11a/nexys2/sys_w11a_n2
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