diff options
Diffstat (limited to 'doc/references/ImplementationOfVHDL.rst')
| -rw-r--r-- | doc/references/ImplementationOfVHDL.rst | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/doc/references/ImplementationOfVHDL.rst b/doc/references/ImplementationOfVHDL.rst index 8eaa04a81..66246608d 100644 --- a/doc/references/ImplementationOfVHDL.rst +++ b/doc/references/ImplementationOfVHDL.rst @@ -72,7 +72,7 @@ The latest version is 2008. Many features have been added, and GHDL doesn't implement all of them. You can select the VHDL standard expected by GHDL with the -:samp:`--std=VER` option, where :samp:`VER` is one of the left column of the +``--std=VER`` option, where ``VER`` is one of the left column of the table below: @@ -176,7 +176,7 @@ Library database ================ Each design unit analyzed is placed into a design library. By default, -the name of this design library is :samp:`work`; however, this can be +the name of this design library is ``work``; however, this can be changed with the :option:`--work=NAME` option of GHDL. To keep the list of design units in a design library, GHDL creates @@ -255,7 +255,7 @@ attribute. In this example, the `sin` function is imported: A subprogram is made foreign if the `foreign` attribute decorates it. This attribute is declared in the 1993 revision of the -:samp:`std.standard` package. Therefore, you cannot use this feature in +``std.standard`` package. Therefore, you cannot use this feature in VHDL 1987. The decoration is achieved through an attribute specification. The @@ -266,7 +266,7 @@ The value of the specification must be a locally static string. Even when a subprogram is foreign, its body must be present. However, since it won't be called, you can made it empty or simply but an assertion. -The value of the attribute must start with :samp:`VHPIDIRECT` (an +The value of the attribute must start with ``VHPIDIRECT`` (an upper-case keyword followed by one or more blanks). The linkage name of the subprogram follows. @@ -340,7 +340,7 @@ Starting a simulation from a foreign program -------------------------------------------- You may run your design from an external program. You just have to call -the :samp:`ghdl_main` function which can be defined: +the ``ghdl_main`` function which can be defined: in C: @@ -380,7 +380,7 @@ suppose there is only one design file, :file:`design.vhdl`. $ ghdl -a design.vhdl Then, bind your design. In this example, we suppose the entity at the -design apex is :samp:`design`. +design apex is ``design``. :: |