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$Id: README.txt 579 2014-08-08 20:39:46Z mueller $
Release notes for w11a
Table of content:
1. Documentation
2. Change Log
1. Documentation -------------------------------------------------------------
More detailed information on installation, build and test can be found
in the doc directory, specifically
* README.txt: release notes
* INSTALL.txt: installation and building test benches and systems
* FILES.txt: short description of the directory layout, what is where ?
* w11a_tb_guide.txt: running test benches
* w11a_os_guide.txt: booting operating systems
* w11a_known_issues.txt: known differences, limitations and issues
2. Change Log ----------------------------------------------------------------
- trunk (2014-08-08: svn rev 25(oc) 579(wfjm); tagged w11a_V0.61) ++++++++++
- Summary
- The div instruction gave wrong results in some corner cases when either
divisor or quotient were the largest negative integer (100000 or -32768).
This is corrected now, for details see ECO-026-div.txt
- some minor updates and fixes to support scripts
- xtwi usage and XTWI_PATH setup explained in INSTALL.txt
- New features
- the Makefile's for in all rtl building block directories allow now to
configure the target board for a test synthesis via the XTW_BOARD
environment variable or XTW_BOARD=<board name> make option.
- Changes
- tools/bin/asm-11 - add call and return opcodes
- tools/bin/create_disk - add RM02,RM05,RP04,RP07 support
- tools/bin/tbw - use xtwi to start ISim models
- tools/bin/ticonv_pdpcp - add --tout and --cmax; support .sdef
- tools/dox/*.Doxyfile - use now doxygen 1.8.7
- tools/src/librw11
- Rw11CntlRK11 - add statistics
- Bug fixes
- rtl/w11a - div bug ECO-026
- pdp11_munit - port changes; fix divide logic
- pdp11_sequencer - s_opg_div_sr: check for late div_quit
- pdp11_dpath - port changes for pdp11_munit
- tools/bin/create_disk - repair --boot option (was inaccessible)
- tools/bin/ti_w11 - split args now into ti_w11 opts and cmds
- tools/src/librwxxtpp
- RtclRw11Cpu - redo estatdef logic; avoid LastExpect()
- tools/dox/make_doxy - create directories, fix 'to view use' text
- w11a_V0.6 (2014-06-06) +++++++++++++++++++++++++++++++++++++++++++++++++++++
cummulative summary of key changes from w11a_V0.5 to w11a_V0.60
- revised ibus protocol V2 (in w11a_V0.51)
- revised rbus protocol V3 (in w11a_V0.52)
- backend server rewritten in C++ and Tcl (in w11a_V0.53 and w11a_V0.562)
- add Nexys3 port of w11a (in w11a_V0.54)
- add Cypress FX2 support (in w11a_V0.56 and w11a_V0.57)
- added LP11,PC11 support (in w11a_V0.58)
- reference system now ISE 14.7 and Ubuntu 12.04 64 bit, ghdl 0.31
- many code cleanups; use numeric_std
- many documentation improvements
- development status upgraded to beta (from alpha)
for details see README-w11a_V.50-w11a_V0.60.txt
- w11a_V0.5 (2010-07-23) +++++++++++++++++++++++++++++++++++++++++++++++++++++
Initial release with
- w11a CPU core
- basic set of peripherals: kw11l, dl11, lp11, pc11, rk11/rk05
- just for fun: iist (not fully implemented and tested yet)
- two complete system configurations with
- for a Digilent S3BOARD rtl/sys_gen/w11a/s3board/sys_w11a_s3
- for a Digilent Nexys2 rtl/sys_gen/w11a/nexys2/sys_w11a_n2