pltbutils release_note.txt
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pltbutils release_note.txt
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beta0002 February 2, 2015
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1. endsim(): renamed argument from force to force_stop for clarity.
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2. print2(string, string): corrected call, from print() to print2().
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3. print2(pltbv_t, pltbs_t, string): corrected call, from print() to print2().
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4. pltbutils_func_pkg.vhd: more comments.
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5. waitsig(): added overloaded unclocked variant.
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6. hxstr(): no longer wrapper for hstr, improved with unlimited length of
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argument s.
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7. Updated author's email address in all files where applicable.
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8: Updated specification_pltbutils.docx/.pdf.
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beta0001 April 9, 2014
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beta0001 April 9, 2014
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1. Added check() for string.
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1. Added check() for string.
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alpha0007 January 13, 2014
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alpha0007 January 13, 2014
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1. Renamed example/vhdl/*.* to examples/vhdl/examples2/*.*
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1. Renamed example/vhdl/*.* to examples/vhdl/examples2/*.*
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This is example code where the testcase process(es) are located
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This is example code where the testcase process(es) are located
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in a testcase component, enabling multiple testcase architectures.
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in a testcase component, enabling multiple testcase architectures.
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Renamed sim/example_sim/ to sim/modelsim_tb_example2/
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Renamed sim/example_sim/ to sim/modelsim_tb_example2/
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2. Created examples/vhdl/examples1/
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2. Created examples/vhdl/examples1/
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This is example code where the testcase process is located in the
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This is example code where the testcase process is located in the
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testbench top.
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testbench top.
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Created sim/modelsim_tb_example1/
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Created sim/modelsim_tb_example1/
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3. Renamed sim/bench_sim/ to sim/modelsim_tb_pltbutils/
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3. Renamed sim/bench_sim/ to sim/modelsim_tb_pltbutils/
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4. Renamed template/vhdl/*.* to templates/vhdl/template2/*.*
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4. Renamed template/vhdl/*.* to templates/vhdl/template2/*.*
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5. Created templates/vhdl/template1/
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5. Created templates/vhdl/template1/
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6. Updated specification_pltbutils.docx/pdf to rev 0.5
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6. Updated specification_pltbutils.docx/pdf to rev 0.5
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alpha0006 January 09, 2014
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alpha0006 January 09, 2014
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1. Replaced shared variables with a normal variable, and global signals with
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1. Replaced shared variables with a normal variable, and global signals with
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a normal signal.
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a normal signal.
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VHDL-2000 and later requires that shared variables use protected types,
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VHDL-2000 and later requires that shared variables use protected types,
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but protected types weren't available in earlier VHDL versions.
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but protected types weren't available in earlier VHDL versions.
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As a consequence, some simulators in VHDL-200x mode require protected
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As a consequence, some simulators in VHDL-200x mode require protected
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types. But some simulators still don't support protected types at all.
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types. But some simulators still don't support protected types at all.
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To make pltbutils work in all (or at least in most) VHDL simulators,
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To make pltbutils work in all (or at least in most) VHDL simulators,
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shared variables have now been removed.
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shared variables have now been removed.
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In previous versions of pltbutils, protected types were used by default.
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In previous versions of pltbutils, protected types were used by default.
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There were comments in the pltbutils code as an aid to modify the code
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There were comments in the pltbutils code as an aid to modify the code
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for simulators that don't support protected types, but it was too much
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for simulators that don't support protected types, but it was too much
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work to do the modifications. One possible solution could have been to
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work to do the modifications. One possible solution could have been to
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make separate variants of pltbutils; one with, and one without protected
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make separate variants of pltbutils; one with, and one without protected
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types. But that solution was not tempting.
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types. But that solution was not tempting.
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2. Removed src/vhdl/pltbutils_type_pkg.vhd .
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2. Removed src/vhdl/pltbutils_type_pkg.vhd .
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3. Added doc/required_updates.txt .
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3. Added doc/required_updates.txt .
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alpha0005 January 05, 2014
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alpha0005 January 05, 2014
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1. In pltbutils_func_pkg.vhd, added starttest() and endtest().
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1. In pltbutils_func_pkg.vhd, added starttest() and endtest().
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2. testname() is now depricated, and will be removed. Use starttest() instead.
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2. testname() is now depricated, and will be removed. Use starttest() instead.
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3. Added pltbutils_user_cfg_pkg.vhd and modified pltbutils_func_pkg.vhd to
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3. Added pltbutils_user_cfg_pkg.vhd and modified pltbutils_func_pkg.vhd to
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support user configurable report messages, to support continous
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support user configurable report messages, to support continous
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integration environments, e.g. TeamCity.
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integration environments, e.g. TeamCity.
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4. Updated specification.
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4. Updated specification.
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alpha0004 December 3, 2013
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alpha0004 December 3, 2013
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1. Corrected returned ranges from to_ascending() and to_descending()
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1. Corrected returned ranges from to_ascending() and to_descending()
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in pltbutils_func_pkg.vhd, to make them work with vectors where the lowest
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in pltbutils_func_pkg.vhd, to make them work with vectors where the lowest
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bit does not have number 0.
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bit does not have number 0.
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alpha0003 December 2, 2013
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alpha0003 December 2, 2013
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1. Added a line feed before printing the test name for clarity,
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1. Added a line feed before printing the test name for clarity,
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in procedure testname() in pltbutils.vhd .
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in procedure testname() in pltbutils.vhd .
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2. Added functions to_ascending(), to_descending() and hxstr()
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2. Added functions to_ascending(), to_descending() and hxstr()
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in pltbutils.vhd (not yet included in the specification).
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in pltbutils.vhd (not yet included in the specification).
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3. check() in pltbutils.vhd now outputs hexadecimal values instead of
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3. check() in pltbutils.vhd now outputs hexadecimal values instead of
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binary values for std_logic_vector, unsigned and signed.
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binary values for std_logic_vector, unsigned and signed.
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4. Updated tb_example.vhd, tc_example.vhd and tc1.vhd to feed
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4. Updated tb_example.vhd, tc_example.vhd and tc1.vhd to feed
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the generic G_DISABLE_BUGS to tc1.
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the generic G_DISABLE_BUGS to tc1.
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The message "Bug here somewhere" is now only output when
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The message "Bug here somewhere" is now only output when
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G_DISABLE_BUGS=0.
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G_DISABLE_BUGS=0.
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alpha0002 November 10, 2013
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alpha0002 November 10, 2013
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1. Added doc/release_note.txt
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1. Added doc/release_note.txt
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2. Removed file paths from pltbutils_files.lst
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2. Removed file paths from pltbutils_files.lst
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3. Added overloaded print procedures with boolean argument called active,
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3. Added overloaded print procedures with boolean argument called active,
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which is useful for debug switches, etc.
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which is useful for debug switches, etc.
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4. Added inverted clock output and a generic for setting initial value to
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4. Added inverted clock output and a generic for setting initial value to
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pltbutils_clkgen in pltbutils_comp.vhd and pltbutils_comp_pkg.vhd .
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pltbutils_clkgen in pltbutils_comp.vhd and pltbutils_comp_pkg.vhd .
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The inverted clock output can be used when a differential
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The inverted clock output can be used when a differential
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clock is needed.
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clock is needed.
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5. Added overloaded procedures waitsig().
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5. Added overloaded procedures waitsig().
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6. Updated specification.
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6. Updated specification.
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alpha0001 September 2, 2013
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alpha0001 September 2, 2013
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1. First commit
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1. First commit
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April 14, 2013
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April 14, 2013
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1. PlTbUtils project registered on OpenCores.
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1. PlTbUtils project registered on OpenCores.
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