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<h1>control_osd.v</h1> </div>
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<div class="contents">
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<a href="control__osd_8v.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="keyword">/*</span>
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<a name="l00002"></a>00002 <span class="keyword"> Copyright 2010, Aleksander Osman, alfik@poczta.fm. All rights reserved.</span>
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<a name="l00003"></a>00003 <span class="keyword"> </span>
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<a name="l00004"></a>00004 <span class="keyword"> Redistribution and use in source and binary forms, with or without modification, are</span>
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<a name="l00005"></a>00005 <span class="keyword"> permitted provided that the following conditions are met:</span>
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| 35 |
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<a name="l00006"></a>00006 <span class="keyword"> </span>
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| 36 |
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<a name="l00007"></a>00007 <span class="keyword"> 1. Redistributions of source code must retain the above copyright notice, this list of</span>
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| 37 |
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<a name="l00008"></a>00008 <span class="keyword"> conditions and the following disclaimer.</span>
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| 38 |
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<a name="l00009"></a>00009 <span class="keyword"> </span>
|
| 39 |
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<a name="l00010"></a>00010 <span class="keyword"> 2. Redistributions in binary form must reproduce the above copyright notice, this list</span>
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| 40 |
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<a name="l00011"></a>00011 <span class="keyword"> of conditions and the following disclaimer in the documentation and/or other materials</span>
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| 41 |
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<a name="l00012"></a>00012 <span class="keyword"> provided with the distribution.</span>
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| 42 |
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|
<a name="l00013"></a>00013 <span class="keyword"> </span>
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| 43 |
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<a name="l00014"></a>00014 <span class="keyword"> THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED</span>
|
| 44 |
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<a name="l00015"></a>00015 <span class="keyword"> WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND</span>
|
| 45 |
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<a name="l00016"></a>00016 <span class="keyword"> FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR</span>
|
| 46 |
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<a name="l00017"></a>00017 <span class="keyword"> CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span>
|
| 47 |
|
|
<a name="l00018"></a>00018 <span class="keyword"> CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR</span>
|
| 48 |
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<a name="l00019"></a>00019 <span class="keyword"> SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON</span>
|
| 49 |
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<a name="l00020"></a>00020 <span class="keyword"> ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING</span>
|
| 50 |
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<a name="l00021"></a>00021 <span class="keyword"> NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF</span>
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| 51 |
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<a name="l00022"></a>00022 <span class="keyword"> ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
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| 52 |
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<a name="l00023"></a>00023 <span class="keyword"> */</span>
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<a name="l00024"></a>00024
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| 54 |
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<a name="l00025"></a>00025 <span class="keyword">/*! \file</span>
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| 55 |
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<a name="l00026"></a>00026 <span class="keyword"> \brief On-Screen-Display and overall system management.</span>
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<a name="l00027"></a>00027 <span class="keyword"> */</span>
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<a name="l00028"></a>00028
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<a name="l00029"></a>00029 <span class="keyword">/*! \brief \copybrief control_osd.v</span>
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| 59 |
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<a name="l00030"></a>00030 <span class="keyword">*/</span>
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| 60 |
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<a name="l00031"></a><a class="code" href="classcontrol__osd.html">00031</a> <span class="vhdlkeyword">module</span> <a class="code" href="classcontrol__osd.html">control_osd</a>(
|
| 61 |
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<a name="l00032"></a>00032 <span class="keyword">//% \name Clock and reset
|
| 62 |
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</span>
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| 63 |
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<a name="l00033"></a>00033 <span class="keyword">//% @{</span>
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| 64 |
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<a name="l00034"></a><a class="code" href="classcontrol__osd.html#a6196377a3ab5559a513854cf1c3497b1">00034</a> <span class="vhdlkeyword">input</span> <a class="code" href="classcontrol__osd.html#a6196377a3ab5559a513854cf1c3497b1">CLK_I</a>,
|
| 65 |
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|
<a name="l00035"></a><a class="code" href="classcontrol__osd.html#ae2085dff5bb31a3a9900c6835b2910b6">00035</a> <span class="vhdlkeyword">input</span> <a class="code" href="classcontrol__osd.html#ae2085dff5bb31a3a9900c6835b2910b6">reset_n</a>,
|
| 66 |
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|
<a name="l00036"></a><a class="code" href="classcontrol__osd.html#a8223f70b4b426d3e77f515261e41ab8a">00036</a> <span class="vhdlkeyword">output</span> <a class="code" href="classcontrol__osd.html#a8223f70b4b426d3e77f515261e41ab8a">reset_request</a>,
|
| 67 |
|
|
<a name="l00037"></a><a class="code" href="classcontrol__osd.html#a6ce16bde3a7e3ca98e9f6f52f1d54b01">00037</a> <span class="vhdlkeyword">output</span> <span class="vhdlkeyword">reg</span> <a class="code" href="classcontrol__osd.html#a6ce16bde3a7e3ca98e9f6f52f1d54b01">management_mode</a>,
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| 68 |
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<a name="l00038"></a>00038 <span class="keyword">//% @}</span>
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| 69 |
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|
<a name="l00039"></a>00039
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| 70 |
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|
<a name="l00040"></a>00040 <span class="keyword">//% \name WISHBONE master
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| 71 |
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|
</span>
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| 72 |
|
|
<a name="l00041"></a>00041 <span class="keyword">//% @{</span>
|
| 73 |
|
|
<a name="l00042"></a><a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">00042</a> <span class="vhdlkeyword">output</span> <span class="vhdlkeyword">reg</span> <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a>,
|
| 74 |
|
|
<a name="l00043"></a><a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">00043</a> <span class="vhdlkeyword">output</span> <span class="vhdlkeyword">reg</span> <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a>,
|
| 75 |
|
|
<a name="l00044"></a><a class="code" href="classcontrol__osd.html#ac02fbf6de142f70d423487e5eebbf41e">00044</a> <span class="vhdlkeyword">output</span> <span class="vhdlkeyword">reg</span> <a class="code" href="classcontrol__osd.html#ac02fbf6de142f70d423487e5eebbf41e">WE_O</a>,
|
| 76 |
|
|
<a name="l00045"></a><a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">00045</a> <span class="vhdlkeyword">output</span> <span class="vhdlkeyword">reg</span> [<span class="vhdllogic">31</span>:<span class="vhdllogic">2</span>] <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a>,
|
| 77 |
|
|
<a name="l00046"></a><a class="code" href="classcontrol__osd.html#a24402c2d7a2fc1858fe167338cc9acfe">00046</a> <span class="vhdlkeyword">output</span> [<span class="vhdllogic">3</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#a24402c2d7a2fc1858fe167338cc9acfe">SEL_O</a>,
|
| 78 |
|
|
<a name="l00047"></a><a class="code" href="classcontrol__osd.html#ad3aa3632307fea5a411e849d00b16b6c">00047</a> <span class="vhdlkeyword">output</span> <span class="vhdlkeyword">reg</span> [<span class="vhdllogic">31</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#ad3aa3632307fea5a411e849d00b16b6c">master_DAT_O</a>,
|
| 79 |
|
|
<a name="l00048"></a><a class="code" href="classcontrol__osd.html#a707c517dd2008bcd9a9b9be97c940a9d">00048</a> <span class="vhdlkeyword">input</span> [<span class="vhdllogic">31</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#a707c517dd2008bcd9a9b9be97c940a9d">master_DAT_I</a>,
|
| 80 |
|
|
<a name="l00049"></a><a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">00049</a> <span class="vhdlkeyword">input</span> <a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a>,
|
| 81 |
|
|
<a name="l00050"></a>00050 <span class="keyword">//% @}</span>
|
| 82 |
|
|
<a name="l00051"></a>00051
|
| 83 |
|
|
<a name="l00052"></a>00052 <span class="keyword">//% \name WISHBONE slave
|
| 84 |
|
|
</span>
|
| 85 |
|
|
<a name="l00053"></a>00053 <span class="keyword">//% @{</span>
|
| 86 |
|
|
<a name="l00054"></a><a class="code" href="classcontrol__osd.html#a56bc5b958a26c2c44973bd0ccaea78e6">00054</a> <span class="vhdlkeyword">input</span> [<span class="vhdllogic">31</span>:<span class="vhdllogic">2</span>] <a class="code" href="classcontrol__osd.html#a56bc5b958a26c2c44973bd0ccaea78e6">ADR_I</a>,
|
| 87 |
|
|
<a name="l00055"></a><a class="code" href="classcontrol__osd.html#a0dfc269f92968a047cbffc059139de0a">00055</a> <span class="vhdlkeyword">input</span> <a class="code" href="classcontrol__osd.html#a0dfc269f92968a047cbffc059139de0a">CYC_I</a>,
|
| 88 |
|
|
<a name="l00056"></a><a class="code" href="classcontrol__osd.html#ac824a485e6b902923401ab73c7f03841">00056</a> <span class="vhdlkeyword">input</span> <a class="code" href="classcontrol__osd.html#ac824a485e6b902923401ab73c7f03841">WE_I</a>,
|
| 89 |
|
|
<a name="l00057"></a><a class="code" href="classcontrol__osd.html#a13f03a265712c279b320063a9e70bf4c">00057</a> <span class="vhdlkeyword">input</span> <a class="code" href="classcontrol__osd.html#a13f03a265712c279b320063a9e70bf4c">STB_I</a>,
|
| 90 |
|
|
<a name="l00058"></a><a class="code" href="classcontrol__osd.html#a3f273553f9b5411f23b32b87bdf44e05">00058</a> <span class="vhdlkeyword">input</span> [<span class="vhdllogic">3</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#a3f273553f9b5411f23b32b87bdf44e05">SEL_I</a>,
|
| 91 |
|
|
<a name="l00059"></a><a class="code" href="classcontrol__osd.html#a0f8f6133735ab74bebd3fa658840dd5b">00059</a> <span class="vhdlkeyword">input</span> [<span class="vhdllogic">31</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#a0f8f6133735ab74bebd3fa658840dd5b">slave_DAT_I</a>,
|
| 92 |
|
|
<a name="l00060"></a><a class="code" href="classcontrol__osd.html#a9d424067b4ef414ecd8af6b01181d6de">00060</a> <span class="vhdlkeyword">output</span> [<span class="vhdllogic">31</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#a9d424067b4ef414ecd8af6b01181d6de">slave_DAT_O</a>,
|
| 93 |
|
|
<a name="l00061"></a><a class="code" href="classcontrol__osd.html#af54eb8eee839999c0d1ec81f4ee83f05">00061</a> <span class="vhdlkeyword">output</span> <span class="vhdlkeyword">reg</span> <a class="code" href="classcontrol__osd.html#af54eb8eee839999c0d1ec81f4ee83f05">ACK_O</a>,
|
| 94 |
|
|
<a name="l00062"></a><a class="code" href="classcontrol__osd.html#a7f8c8eee4fb11fb7be802f5ddd0bb23a">00062</a> <span class="vhdlkeyword">output</span> <a class="code" href="classcontrol__osd.html#a7f8c8eee4fb11fb7be802f5ddd0bb23a">RTY_O</a>,
|
| 95 |
|
|
<a name="l00063"></a><a class="code" href="classcontrol__osd.html#a11c3ffc3667be7727fd18c8cd214f446">00063</a> <span class="vhdlkeyword">output</span> <a class="code" href="classcontrol__osd.html#a11c3ffc3667be7727fd18c8cd214f446">ERR_O</a>,
|
| 96 |
|
|
<a name="l00064"></a>00064 <span class="keyword">//% @}</span>
|
| 97 |
|
|
<a name="l00065"></a>00065
|
| 98 |
|
|
<a name="l00066"></a>00066 <span class="keyword">//% \name On-Screen-Display management interface
|
| 99 |
|
|
</span>
|
| 100 |
|
|
<a name="l00067"></a>00067 <span class="keyword">//% @{</span>
|
| 101 |
|
|
<a name="l00068"></a><a class="code" href="classcontrol__osd.html#a630825280ca4da6c00f576507ad14bee">00068</a> <span class="vhdlkeyword">input</span> <a class="code" href="classcontrol__osd.html#a630825280ca4da6c00f576507ad14bee">request_osd</a>,
|
| 102 |
|
|
<a name="l00069"></a><a class="code" href="classcontrol__osd.html#a118dcc09c5966614c035a6fb16e232d8">00069</a> <span class="vhdlkeyword">output</span> <span class="vhdlkeyword">reg</span> <a class="code" href="classcontrol__osd.html#a118dcc09c5966614c035a6fb16e232d8">on_screen_display</a>,
|
| 103 |
|
|
<a name="l00070"></a>00070
|
| 104 |
|
|
<a name="l00071"></a><a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">00071</a> <span class="vhdlkeyword">input</span> [<span class="vhdllogic">4</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">osd_line</a>,
|
| 105 |
|
|
<a name="l00072"></a><a class="code" href="classcontrol__osd.html#ae5ebacc470598b8ba116db8eda10fddd">00072</a> <span class="vhdlkeyword">input</span> [<span class="vhdllogic">4</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#ae5ebacc470598b8ba116db8eda10fddd">osd_column</a>,
|
| 106 |
|
|
<a name="l00073"></a><a class="code" href="classcontrol__osd.html#a47650aa230d01c3de6c7ff983c26f563">00073</a> <span class="vhdlkeyword">output</span> [<span class="vhdllogic">7</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#a47650aa230d01c3de6c7ff983c26f563">character</a>,
|
| 107 |
|
|
<a name="l00074"></a>00074
|
| 108 |
|
|
<a name="l00075"></a><a class="code" href="classcontrol__osd.html#aedcadd537ead33021c07902d18675670">00075</a> <span class="vhdlkeyword">output</span> <span class="vhdlkeyword">reg</span> <a class="code" href="classcontrol__osd.html#aedcadd537ead33021c07902d18675670">joystick_enable</a>,
|
| 109 |
|
|
<a name="l00076"></a><a class="code" href="classcontrol__osd.html#a3f1812f10b7c24cabb4180272ae408ab">00076</a> <span class="vhdlkeyword">input</span> <a class="code" href="classcontrol__osd.html#a3f1812f10b7c24cabb4180272ae408ab">keyboard_select</a>,
|
| 110 |
|
|
<a name="l00077"></a><a class="code" href="classcontrol__osd.html#a30d42e8e9807db20a9955dcc733278e6">00077</a> <span class="vhdlkeyword">input</span> <a class="code" href="classcontrol__osd.html#a30d42e8e9807db20a9955dcc733278e6">keyboard_up</a>,
|
| 111 |
|
|
<a name="l00078"></a><a class="code" href="classcontrol__osd.html#a4cc4f2acf479b53f39e86fd22e1e0fbd">00078</a> <span class="vhdlkeyword">input</span> <a class="code" href="classcontrol__osd.html#a4cc4f2acf479b53f39e86fd22e1e0fbd">keyboard_down</a>,
|
| 112 |
|
|
<a name="l00079"></a>00079 <span class="keyword">//% @}</span>
|
| 113 |
|
|
<a name="l00080"></a>00080
|
| 114 |
|
|
<a name="l00081"></a>00081 <span class="keyword">//% \name On-Screen-Display floppy management interface
|
| 115 |
|
|
</span>
|
| 116 |
|
|
<a name="l00082"></a>00082 <span class="keyword">//% @{</span>
|
| 117 |
|
|
<a name="l00083"></a><a class="code" href="classcontrol__osd.html#adf38e4a4a873d67cdd788060a408493f">00083</a> <span class="vhdlkeyword">output</span> <a class="code" href="classcontrol__osd.html#adf38e4a4a873d67cdd788060a408493f">floppy_inserted</a>,
|
| 118 |
|
|
<a name="l00084"></a><a class="code" href="classcontrol__osd.html#a184b1277f2f2aaa469a1e45f183bf0b5">00084</a> <span class="vhdlkeyword">output</span> <span class="vhdlkeyword">reg</span> [<span class="vhdllogic">31</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#a184b1277f2f2aaa469a1e45f183bf0b5">floppy_sector</a>,
|
| 119 |
|
|
<a name="l00085"></a><a class="code" href="classcontrol__osd.html#a1599e7ad96018cb8119f148f15f41e33">00085</a> <span class="vhdlkeyword">output</span> <span class="vhdlkeyword">reg</span> <a class="code" href="classcontrol__osd.html#a1599e7ad96018cb8119f148f15f41e33">floppy_write_enabled</a>,
|
| 120 |
|
|
<a name="l00086"></a><a class="code" href="classcontrol__osd.html#a8d108655097a93e09690cd77d840fca4">00086</a> <span class="vhdlkeyword">input</span> <a class="code" href="classcontrol__osd.html#a8d108655097a93e09690cd77d840fca4">floppy_error</a>
|
| 121 |
|
|
<a name="l00087"></a>00087 <span class="keyword">//% @}</span>
|
| 122 |
|
|
<a name="l00088"></a>00088 );
|
| 123 |
|
|
<a name="l00089"></a>00089
|
| 124 |
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|
<a name="l00090"></a>00090 <span class="vhdlkeyword">assign</span> <a class="code" href="classcontrol__osd.html#a11c3ffc3667be7727fd18c8cd214f446">ERR_O</a> = <span class="vhdllogic">1'b0</span>;
|
| 125 |
|
|
<a name="l00091"></a>00091 <span class="vhdlkeyword">assign</span> <a class="code" href="classcontrol__osd.html#a7f8c8eee4fb11fb7be802f5ddd0bb23a">RTY_O</a> = <span class="vhdllogic">1'b0</span>;
|
| 126 |
|
|
<a name="l00092"></a>00092 <span class="vhdlkeyword">assign</span> <a class="code" href="classcontrol__osd.html#a24402c2d7a2fc1858fe167338cc9acfe">SEL_O</a> = <span class="vhdllogic">4'b1111</span>;
|
| 127 |
|
|
<a name="l00093"></a>00093
|
| 128 |
|
|
<a name="l00094"></a>00094 <span class="keyword">//****************** Display memory</span>
|
| 129 |
|
|
<a name="l00095"></a><a class="code" href="classcontrol__osd.html#ac91d851e4665fdea7402fb9d4f5eab33">00095</a> <span class="vhdlkeyword">wire</span> [<span class="vhdllogic">31</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#ac91d851e4665fdea7402fb9d4f5eab33">char</a>;
|
| 130 |
|
|
<a name="l00096"></a><a class="code" href="classcontrol__osd.html#a97e6cd0c742309422092a0f0d423c924">00096</a> <span class="vhdlkeyword">wire</span> [<span class="vhdllogic">31</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#a97e6cd0c742309422092a0f0d423c924">display_q</a>;
|
| 131 |
|
|
<a name="l00097"></a>00097 <span class="vhdlkeyword">assign</span> <a class="code" href="classcontrol__osd.html#a9d424067b4ef414ecd8af6b01181d6de">slave_DAT_O</a> = ({<a class="code" href="classcontrol__osd.html#a56bc5b958a26c2c44973bd0ccaea78e6">ADR_I</a>, <span class="vhdllogic">2'b00</span>} >= <span class="vhdllogic">32'h10000000</span> && {<a class="code" href="classcontrol__osd.html#a56bc5b958a26c2c44973bd0ccaea78e6">ADR_I</a>, <span class="vhdllogic">2'b00</span>} <= <span class="vhdllogic">32'h10000FFF</span>)? <a class="code" href="classcontrol__osd.html#a97e6cd0c742309422092a0f0d423c924">display_q</a> : <span class="vhdllogic">32'd0</span>;
|
| 132 |
|
|
<a name="l00098"></a>00098
|
| 133 |
|
|
<a name="l00099"></a><a class="code" href="classcontrol__osd.html#a78d1a7d8f835fc539c7891680342c962">00099</a> <a class="code" href="classcontrol__osd.html#a78d1a7d8f835fc539c7891680342c962">altsyncram</a> <span class="vhdlchar">display_ram_inst</span>(
|
| 134 |
|
|
<a name="l00100"></a>00100 .<span class="vhdlchar">clock0</span>(<a class="code" href="classcontrol__osd.html#a6196377a3ab5559a513854cf1c3497b1">CLK_I</a>),
|
| 135 |
|
|
<a name="l00101"></a>00101 .<span class="vhdlchar">clock1</span>(<a class="code" href="classcontrol__osd.html#a6196377a3ab5559a513854cf1c3497b1">CLK_I</a>),
|
| 136 |
|
|
<a name="l00102"></a>00102 .<span class="vhdlchar">address_a</span>(<a class="code" href="classcontrol__osd.html#a56bc5b958a26c2c44973bd0ccaea78e6">ADR_I</a>[<span class="vhdllogic">11</span>:<span class="vhdllogic">2</span>]),
|
| 137 |
|
|
<a name="l00103"></a>00103 .<span class="vhdlchar">wren_a</span>(<a class="code" href="classcontrol__osd.html#a0dfc269f92968a047cbffc059139de0a">CYC_I</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a13f03a265712c279b320063a9e70bf4c">STB_I</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#ac824a485e6b902923401ab73c7f03841">WE_I</a> == <span class="vhdllogic">1'b1</span> && {<a class="code" href="classcontrol__osd.html#a56bc5b958a26c2c44973bd0ccaea78e6">ADR_I</a>, <span class="vhdllogic">2'b00</span>} >= <span class="vhdllogic">32'h10000000</span> && {<a class="code" href="classcontrol__osd.html#a56bc5b958a26c2c44973bd0ccaea78e6">ADR_I</a>, <span class="vhdllogic">2'b00</span>} <= <span class="vhdllogic">32'h10000FFF</span>),
|
| 138 |
|
|
<a name="l00104"></a>00104 .<span class="vhdlchar">data_a</span>(<a class="code" href="classcontrol__osd.html#a0f8f6133735ab74bebd3fa658840dd5b">slave_DAT_I</a>),
|
| 139 |
|
|
<a name="l00105"></a>00105 .<span class="vhdlchar">byteena_a</span>(<a class="code" href="classcontrol__osd.html#a3f273553f9b5411f23b32b87bdf44e05">SEL_I</a>),
|
| 140 |
|
|
<a name="l00106"></a>00106 .<span class="vhdlchar">q_a</span>(<a class="code" href="classcontrol__osd.html#a97e6cd0c742309422092a0f0d423c924">display_q</a>),
|
| 141 |
|
|
<a name="l00107"></a>00107 .<span class="vhdlchar">address_b</span>(<a class="code" href="classcontrol__osd.html#ac03af5be4e21a2e147581ea0aaffa7ae">char_addr</a>[<span class="vhdllogic">11</span>:<span class="vhdllogic">2</span>]),
|
| 142 |
|
|
<a name="l00108"></a>00108 .<span class="vhdlchar">q_b</span>(<a class="code" href="classcontrol__osd.html#ac91d851e4665fdea7402fb9d4f5eab33">char</a>)
|
| 143 |
|
|
<a name="l00109"></a>00109 );
|
| 144 |
|
|
<a name="l00110"></a>00110 <span class="vhdlkeyword">defparam</span> <span class="vhdlchar">display_ram_inst</span>.<span class="vhdlchar">operation_mode</span> = <span class="keyword">"BIDIR_DUAL_PORT"</span>;
|
| 145 |
|
|
<a name="l00111"></a>00111 <span class="vhdlkeyword">defparam</span> <span class="vhdlchar">display_ram_inst</span>.<span class="vhdlchar">width_a</span> = <span class="vhdllogic">32</span>;
|
| 146 |
|
|
<a name="l00112"></a>00112 <span class="vhdlkeyword">defparam</span> <span class="vhdlchar">display_ram_inst</span>.<span class="vhdlchar">widthad_a</span> = <span class="vhdllogic">10</span>;
|
| 147 |
|
|
<a name="l00113"></a>00113 <span class="vhdlkeyword">defparam</span> <span class="vhdlchar">display_ram_inst</span>.<span class="vhdlchar">width_byteena_a</span> = <span class="vhdllogic">4</span>;
|
| 148 |
|
|
<a name="l00114"></a>00114 <span class="vhdlkeyword">defparam</span> <span class="vhdlchar">display_ram_inst</span>.<span class="vhdlchar">width_b</span> = <span class="vhdllogic">32</span>;
|
| 149 |
|
|
<a name="l00115"></a>00115 <span class="vhdlkeyword">defparam</span> <span class="vhdlchar">display_ram_inst</span>.<span class="vhdlchar">widthad_b</span> = <span class="vhdllogic">10</span>;
|
| 150 |
|
|
<a name="l00116"></a>00116 <span class="vhdlkeyword">defparam</span> <span class="vhdlchar">display_ram_inst</span>.<span class="vhdlchar">init_file</span> = <span class="keyword">"control_osd.mif"</span>;
|
| 151 |
|
|
<a name="l00117"></a>00117
|
| 152 |
|
|
<a name="l00118"></a><a class="code" href="classcontrol__osd.html#a2cfa2074ced6af38b56ca2228b433a1a">00118</a> <span class="vhdlkeyword">wire</span> [<span class="vhdllogic">7</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#a2cfa2074ced6af38b56ca2228b433a1a">final_char</a>;
|
| 153 |
|
|
<a name="l00119"></a>00119 <span class="vhdlkeyword">assign</span> <a class="code" href="classcontrol__osd.html#a2cfa2074ced6af38b56ca2228b433a1a">final_char</a> =
|
| 154 |
|
|
<a name="l00120"></a>00120 (<a class="code" href="classcontrol__osd.html#ac03af5be4e21a2e147581ea0aaffa7ae">char_addr</a>[<span class="vhdllogic">1</span>:<span class="vhdllogic">0</span>] == <span class="vhdllogic">2'd0</span>)? <a class="code" href="classcontrol__osd.html#ac91d851e4665fdea7402fb9d4f5eab33">char</a>[<span class="vhdllogic">31</span>:<span class="vhdllogic">24</span>] :
|
| 155 |
|
|
<a name="l00121"></a>00121 (<a class="code" href="classcontrol__osd.html#ac03af5be4e21a2e147581ea0aaffa7ae">char_addr</a>[<span class="vhdllogic">1</span>:<span class="vhdllogic">0</span>] == <span class="vhdllogic">2'd1</span>)? <a class="code" href="classcontrol__osd.html#ac91d851e4665fdea7402fb9d4f5eab33">char</a>[<span class="vhdllogic">23</span>:<span class="vhdllogic">16</span>] :
|
| 156 |
|
|
<a name="l00122"></a>00122 (<a class="code" href="classcontrol__osd.html#ac03af5be4e21a2e147581ea0aaffa7ae">char_addr</a>[<span class="vhdllogic">1</span>:<span class="vhdllogic">0</span>] == <span class="vhdllogic">2'd2</span>)? <a class="code" href="classcontrol__osd.html#ac91d851e4665fdea7402fb9d4f5eab33">char</a>[<span class="vhdllogic">15</span>:<span class="vhdllogic">8</span>] :
|
| 157 |
|
|
<a name="l00123"></a>00123 <a class="code" href="classcontrol__osd.html#ac91d851e4665fdea7402fb9d4f5eab33">char</a>[<span class="vhdllogic">7</span>:<span class="vhdllogic">0</span>];
|
| 158 |
|
|
<a name="l00124"></a>00124
|
| 159 |
|
|
<a name="l00125"></a>00125 <span class="vhdlkeyword">assign</span> <a class="code" href="classcontrol__osd.html#a47650aa230d01c3de6c7ff983c26f563">character</a> = (<a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">osd_line</a> == <span class="vhdllogic">5'd9</span> && <a class="code" href="classcontrol__osd.html#a2cfa2074ced6af38b56ca2228b433a1a">final_char</a> != <span class="vhdllogic">8'd0</span>)? {<span class="vhdllogic">1'b1</span>, <a class="code" href="classcontrol__osd.html#a2cfa2074ced6af38b56ca2228b433a1a">final_char</a>[<span class="vhdllogic">6</span>:<span class="vhdllogic">0</span>]} : <a class="code" href="classcontrol__osd.html#a2cfa2074ced6af38b56ca2228b433a1a">final_char</a>;
|
| 160 |
|
|
<a name="l00126"></a>00126
|
| 161 |
|
|
<a name="l00127"></a>00127 <span class="keyword">//***************** Control</span>
|
| 162 |
|
|
<a name="l00128"></a><a class="code" href="classcontrol__osd.html#a11dbc96f56067e875dcb44927dfcc10f">00128</a> <span class="vhdlkeyword">reg</span> [<span class="vhdllogic">7</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#a11dbc96f56067e875dcb44927dfcc10f">pointer</a>;
|
| 163 |
|
|
<a name="l00129"></a><a class="code" href="classcontrol__osd.html#ae5f31d2e616c0e1c35a0658a7ab32529">00129</a> <span class="vhdlkeyword">reg</span> [<span class="vhdllogic">7</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#ae5f31d2e616c0e1c35a0658a7ab32529">selected_floppy_pointer</a>;
|
| 164 |
|
|
<a name="l00130"></a>00130
|
| 165 |
|
|
<a name="l00131"></a><a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">00131</a> <span class="vhdlkeyword">reg</span> [<span class="vhdllogic">31</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a>;
|
| 166 |
|
|
<a name="l00132"></a><a class="code" href="classcontrol__osd.html#af65347dfddd6e44e81f3cf90ec9e8272">00132</a> <span class="vhdlkeyword">reg</span> [<span class="vhdllogic">31</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#af65347dfddd6e44e81f3cf90ec9e8272">value_b</a>;
|
| 167 |
|
|
<a name="l00133"></a>00133
|
| 168 |
|
|
<a name="l00134"></a><a class="code" href="classcontrol__osd.html#aeda541622c7c8f2260aa315647b95a5a">00134</a> <span class="vhdlkeyword">reg</span> [<span class="vhdllogic">1</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#aeda541622c7c8f2260aa315647b95a5a">value_counter</a>;
|
| 169 |
|
|
<a name="l00135"></a><a class="code" href="classcontrol__osd.html#aa0a936aa1855900564c1b2ee7afc90ff">00135</a> <span class="vhdlkeyword">reg</span> [<span class="vhdllogic">4</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#aa0a936aa1855900564c1b2ee7afc90ff">last_osd_column</a>;
|
| 170 |
|
|
<a name="l00136"></a>00136
|
| 171 |
|
|
<a name="l00137"></a><a class="code" href="classcontrol__osd.html#acf827f8c96b7f380c7e206e0acea7d90">00137</a> <span class="vhdlkeyword">reg</span> <a class="code" href="classcontrol__osd.html#acf827f8c96b7f380c7e206e0acea7d90">last_keyboard_up</a>;
|
| 172 |
|
|
<a name="l00138"></a><a class="code" href="classcontrol__osd.html#a5c8253fd8c2a8af87cf2f934901cfbcd">00138</a> <span class="vhdlkeyword">reg</span> <a class="code" href="classcontrol__osd.html#a5c8253fd8c2a8af87cf2f934901cfbcd">last_keyboard_down</a>;
|
| 173 |
|
|
<a name="l00139"></a><a class="code" href="classcontrol__osd.html#a575867013a3e21f25b0474e77038da8a">00139</a> <span class="vhdlkeyword">reg</span> <a class="code" href="classcontrol__osd.html#a575867013a3e21f25b0474e77038da8a">last_keyboard_select</a>;
|
| 174 |
|
|
<a name="l00140"></a><a class="code" href="classcontrol__osd.html#a89fd67f1b7e8dbdf703c0834a6478f6a">00140</a> <span class="vhdlkeyword">reg</span> <a class="code" href="classcontrol__osd.html#a89fd67f1b7e8dbdf703c0834a6478f6a">last_request_osd</a>;
|
| 175 |
|
|
<a name="l00141"></a>00141
|
| 176 |
|
|
<a name="l00142"></a><a class="code" href="classcontrol__osd.html#ae06410c715ba2a8e8f68f72dc7ab7ac5">00142</a> <span class="vhdlkeyword">reg</span> [<span class="vhdllogic">22</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#ae06410c715ba2a8e8f68f72dc7ab7ac5">keyboard_counter</a>;
|
| 177 |
|
|
<a name="l00143"></a><a class="code" href="classcontrol__osd.html#a894a5810810119333b0eabcaa639edde">00143</a> <span class="vhdlkeyword">reg</span> <a class="code" href="classcontrol__osd.html#a894a5810810119333b0eabcaa639edde">keyboard_repeating</a>;
|
| 178 |
|
|
<a name="l00144"></a><a class="code" href="classcontrol__osd.html#a5095fdef3b874b500ff5283c5b5affe8">00144</a> <span class="vhdlkeyword">wire</span> <a class="code" href="classcontrol__osd.html#a5095fdef3b874b500ff5283c5b5affe8">keyboard_repeat</a>;
|
| 179 |
|
|
<a name="l00145"></a>00145 <span class="vhdlkeyword">assign</span> <a class="code" href="classcontrol__osd.html#a5095fdef3b874b500ff5283c5b5affe8">keyboard_repeat</a> = (<a class="code" href="classcontrol__osd.html#a894a5810810119333b0eabcaa639edde">keyboard_repeating</a> == <span class="vhdllogic">1'b0</span> && <a class="code" href="classcontrol__osd.html#ae06410c715ba2a8e8f68f72dc7ab7ac5">keyboard_counter</a> == <span class="vhdllogic">23'd6000000</span>) || (<a class="code" href="classcontrol__osd.html#a894a5810810119333b0eabcaa639edde">keyboard_repeating</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#ae06410c715ba2a8e8f68f72dc7ab7ac5">keyboard_counter</a> == <span class="vhdllogic">23'd1000000</span>);
|
| 180 |
|
|
<a name="l00146"></a>00146
|
| 181 |
|
|
<a name="l00147"></a><a class="code" href="classcontrol__osd.html#a38a43a0a1f75c353e09c64016295c584">00147</a> <span class="vhdlkeyword">wire</span> [<span class="vhdllogic">12</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#a38a43a0a1f75c353e09c64016295c584">current_addr</a>;
|
| 182 |
|
|
<a name="l00148"></a>00148 <span class="vhdlkeyword">assign</span> <a class="code" href="classcontrol__osd.html#a38a43a0a1f75c353e09c64016295c584">current_addr</a> = {<span class="vhdllogic">3'b0</span>, <a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">osd_line</a>, <span class="vhdllogic">5'b0</span>} - <span class="vhdllogic">13'd64</span> + { <a class="code" href="classcontrol__osd.html#a11dbc96f56067e875dcb44927dfcc10f">pointer</a>, <span class="vhdllogic">5'b0</span> };
|
| 183 |
|
|
<a name="l00149"></a><a class="code" href="classcontrol__osd.html#aafca92500170023ab7131e886a5f726e">00149</a> <span class="vhdlkeyword">wire</span> [<span class="vhdllogic">12</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#aafca92500170023ab7131e886a5f726e">selected_floppy_addr</a>;
|
| 184 |
|
|
<a name="l00150"></a>00150 <span class="vhdlkeyword">assign</span> <a class="code" href="classcontrol__osd.html#aafca92500170023ab7131e886a5f726e">selected_floppy_addr</a> = { <span class="vhdllogic">3'b0</span>, <span class="vhdllogic">5'd9</span>, <span class="vhdllogic">5'b0</span> } - <span class="vhdllogic">13'd64</span> + { <a class="code" href="classcontrol__osd.html#ae5f31d2e616c0e1c35a0658a7ab32529">selected_floppy_pointer</a>, <span class="vhdllogic">5'b0</span> };
|
| 185 |
|
|
<a name="l00151"></a>00151
|
| 186 |
|
|
<a name="l00152"></a><a class="code" href="classcontrol__osd.html#ac03af5be4e21a2e147581ea0aaffa7ae">00152</a> <span class="vhdlkeyword">wire</span> [<span class="vhdllogic">11</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#ac03af5be4e21a2e147581ea0aaffa7ae">char_addr</a>;
|
| 187 |
|
|
<a name="l00153"></a>00153 <span class="vhdlkeyword">assign</span> <a class="code" href="classcontrol__osd.html#ac03af5be4e21a2e147581ea0aaffa7ae">char_addr</a> =
|
| 188 |
|
|
<a name="l00154"></a>00154 ((<a class="code" href="classcontrol__osd.html#aeda541622c7c8f2260aa315647b95a5a">value_counter</a> == <span class="vhdllogic">2'd1</span>)? <span class="vhdllogic">5'd24</span> :
|
| 189 |
|
|
<a name="l00155"></a>00155 (<a class="code" href="classcontrol__osd.html#aeda541622c7c8f2260aa315647b95a5a">value_counter</a> > <span class="vhdllogic">2'd1</span>)? <span class="vhdllogic">5'd28</span> :
|
| 190 |
|
|
<a name="l00156"></a>00156 (<a class="code" href="classcontrol__osd.html#ae5ebacc470598b8ba116db8eda10fddd">osd_column</a> == <span class="vhdllogic">5'd31</span>)? <span class="vhdllogic">12'd0</span> : <a class="code" href="classcontrol__osd.html#ae5ebacc470598b8ba116db8eda10fddd">osd_column</a> + <span class="vhdllogic">5'd1</span>
|
| 191 |
|
|
<a name="l00157"></a>00157 ) +
|
| 192 |
|
|
<a name="l00158"></a>00158 ((<a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">osd_line</a> == <span class="vhdllogic">5'd0</span> && <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> != <a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">S_ON_SCREEN_DISPLAY</a>)? <span class="vhdllogic">12'd0</span> :
|
| 193 |
|
|
<a name="l00159"></a>00159 (<a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">osd_line</a> == <span class="vhdllogic">5'd0</span> && <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">S_ON_SCREEN_DISPLAY</a>)? <span class="vhdllogic">12'd160</span> :
|
| 194 |
|
|
<a name="l00160"></a>00160
|
| 195 |
|
|
<a name="l00161"></a>00161 (<a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">osd_line</a> == <span class="vhdllogic">5'd1</span> && <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a68452c642ded0928e1066ce36355cce6">S_SD_CHECK_INIT</a>)? <span class="vhdllogic">12'd32</span> :
|
| 196 |
|
|
<a name="l00162"></a>00162 (<a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">osd_line</a> == <span class="vhdllogic">5'd1</span> && <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#ac89da3651617178f73dc266c04cfe961">S_SD_ERROR</a>)? <span class="vhdllogic">12'd64</span> :
|
| 197 |
|
|
<a name="l00163"></a>00163 (<a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">osd_line</a> == <span class="vhdllogic">5'd1</span> && <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a0dff34146b98847c6f0e497e8a896d60">S_SELECT_ROM</a>)? <span class="vhdllogic">12'd96</span> :
|
| 198 |
|
|
<a name="l00164"></a>00164 (<a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">osd_line</a> == <span class="vhdllogic">5'd1</span> && <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">S_ON_SCREEN_DISPLAY</a> && <a class="code" href="classcontrol__osd.html#adf38e4a4a873d67cdd788060a408493f">floppy_inserted</a> == <span class="vhdllogic">1'd0</span>)?
|
| 199 |
|
|
<a name="l00165"></a>00165 <span class="vhdllogic">12'd192</span> :
|
| 200 |
|
|
<a name="l00166"></a>00166 (<a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">osd_line</a> == <span class="vhdllogic">5'd1</span> && <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">S_ON_SCREEN_DISPLAY</a>)? <a class="code" href="classcontrol__osd.html#aafca92500170023ab7131e886a5f726e">selected_floppy_addr</a>[<span class="vhdllogic">11</span>:<span class="vhdllogic">0</span>] - <span class="vhdllogic">12'd96</span> + <span class="vhdllogic">12'd1024</span> :
|
| 201 |
|
|
<a name="l00167"></a>00167
|
| 202 |
|
|
<a name="l00168"></a>00168 (<a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">osd_line</a> == <span class="vhdllogic">5'd9</span> && <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#ac89da3651617178f73dc266c04cfe961">S_SD_ERROR</a>)? <span class="vhdllogic">12'd352</span> :
|
| 203 |
|
|
<a name="l00169"></a>00169 (<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#ac89da3651617178f73dc266c04cfe961">S_SD_ERROR</a>)? <span class="vhdllogic">12'd128</span> :
|
| 204 |
|
|
<a name="l00170"></a>00170
|
| 205 |
|
|
<a name="l00171"></a>00171 (<a class="code" href="classcontrol__osd.html#a38a43a0a1f75c353e09c64016295c584">current_addr</a>[<span class="vhdllogic">12</span>] == <span class="vhdllogic">1'b1</span>)? <span class="vhdllogic">12'd128</span> :
|
| 206 |
|
|
<a name="l00172"></a>00172 (<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a0dff34146b98847c6f0e497e8a896d60">S_SELECT_ROM</a>)? <a class="code" href="classcontrol__osd.html#a38a43a0a1f75c353e09c64016295c584">current_addr</a>[<span class="vhdllogic">11</span>:<span class="vhdllogic">0</span>] + <span class="vhdllogic">12'd512</span> :
|
| 207 |
|
|
<a name="l00173"></a>00173
|
| 208 |
|
|
<a name="l00174"></a>00174 (<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> != <a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">S_ON_SCREEN_DISPLAY</a>)? <span class="vhdllogic">12'd128</span> :
|
| 209 |
|
|
<a name="l00175"></a>00175
|
| 210 |
|
|
<a name="l00176"></a>00176 (<a class="code" href="classcontrol__osd.html#a38a43a0a1f75c353e09c64016295c584">current_addr</a>[<span class="vhdllogic">11</span>:<span class="vhdllogic">0</span>] == <span class="vhdllogic">12'd0</span> && <a class="code" href="classcontrol__osd.html#aedcadd537ead33021c07902d18675670">joystick_enable</a> == <span class="vhdllogic">1'b0</span>)?
|
| 211 |
|
|
<a name="l00177"></a>00177 <span class="vhdllogic">12'd224</span> :
|
| 212 |
|
|
<a name="l00178"></a>00178 (<a class="code" href="classcontrol__osd.html#a38a43a0a1f75c353e09c64016295c584">current_addr</a>[<span class="vhdllogic">11</span>:<span class="vhdllogic">0</span>] == <span class="vhdllogic">12'd0</span> && <a class="code" href="classcontrol__osd.html#aedcadd537ead33021c07902d18675670">joystick_enable</a> == <span class="vhdllogic">1'b1</span>)?
|
| 213 |
|
|
<a name="l00179"></a>00179 <span class="vhdllogic">12'd256</span> :
|
| 214 |
|
|
<a name="l00180"></a>00180
|
| 215 |
|
|
<a name="l00181"></a>00181 (<a class="code" href="classcontrol__osd.html#a38a43a0a1f75c353e09c64016295c584">current_addr</a>[<span class="vhdllogic">11</span>:<span class="vhdllogic">0</span>] == <span class="vhdllogic">12'd32</span> && <a class="code" href="classcontrol__osd.html#a1599e7ad96018cb8119f148f15f41e33">floppy_write_enabled</a> == <span class="vhdllogic">1'b0</span>)?
|
| 216 |
|
|
<a name="l00182"></a>00182 <span class="vhdllogic">12'd288</span> :
|
| 217 |
|
|
<a name="l00183"></a>00183 (<a class="code" href="classcontrol__osd.html#a38a43a0a1f75c353e09c64016295c584">current_addr</a>[<span class="vhdllogic">11</span>:<span class="vhdllogic">0</span>] == <span class="vhdllogic">12'd32</span> && <a class="code" href="classcontrol__osd.html#a1599e7ad96018cb8119f148f15f41e33">floppy_write_enabled</a> == <span class="vhdllogic">1'b1</span>)?
|
| 218 |
|
|
<a name="l00184"></a>00184 <span class="vhdllogic">12'd320</span> :
|
| 219 |
|
|
<a name="l00185"></a>00185
|
| 220 |
|
|
<a name="l00186"></a>00186 (<a class="code" href="classcontrol__osd.html#a38a43a0a1f75c353e09c64016295c584">current_addr</a>[<span class="vhdllogic">11</span>:<span class="vhdllogic">0</span>] == <span class="vhdllogic">12'd64</span>)? <span class="vhdllogic">12'd352</span> :
|
| 221 |
|
|
<a name="l00187"></a>00187
|
| 222 |
|
|
<a name="l00188"></a>00188 (<a class="code" href="classcontrol__osd.html#a38a43a0a1f75c353e09c64016295c584">current_addr</a>[<span class="vhdllogic">11</span>:<span class="vhdllogic">0</span>] == <span class="vhdllogic">12'd96</span> && <a class="code" href="classcontrol__osd.html#adf38e4a4a873d67cdd788060a408493f">floppy_inserted</a> == <span class="vhdllogic">1'd1</span>)?
|
| 223 |
|
|
<a name="l00189"></a>00189 <span class="vhdllogic">12'd384</span> :
|
| 224 |
|
|
<a name="l00190"></a>00190
|
| 225 |
|
|
<a name="l00191"></a>00191 (<a class="code" href="classcontrol__osd.html#adf38e4a4a873d67cdd788060a408493f">floppy_inserted</a> == <span class="vhdllogic">13'd0</span>)? <a class="code" href="classcontrol__osd.html#a38a43a0a1f75c353e09c64016295c584">current_addr</a>[<span class="vhdllogic">11</span>:<span class="vhdllogic">0</span>] - <span class="vhdllogic">12'd96</span> + <span class="vhdllogic">12'd1024</span> :
|
| 226 |
|
|
<a name="l00192"></a>00192
|
| 227 |
|
|
<a name="l00193"></a>00193 <span class="vhdllogic">12'd128</span>
|
| 228 |
|
|
<a name="l00194"></a>00194
|
| 229 |
|
|
<a name="l00195"></a>00195 );
|
| 230 |
|
|
<a name="l00196"></a>00196
|
| 231 |
|
|
<a name="l00197"></a>00197 <span class="vhdlkeyword">assign</span> <a class="code" href="classcontrol__osd.html#adf38e4a4a873d67cdd788060a408493f">floppy_inserted</a> = (<a class="code" href="classcontrol__osd.html#a184b1277f2f2aaa469a1e45f183bf0b5">floppy_sector</a> != <span class="vhdllogic">32'd0</span>);
|
| 232 |
|
|
<a name="l00198"></a>00198 <span class="vhdlkeyword">assign</span> <a class="code" href="classcontrol__osd.html#a8223f70b4b426d3e77f515261e41ab8a">reset_request</a> = {<a class="code" href="classcontrol__osd.html#a575867013a3e21f25b0474e77038da8a">last_keyboard_select</a> == <span class="vhdllogic">1'b0</span> && <a class="code" href="classcontrol__osd.html#a3f1812f10b7c24cabb4180272ae408ab">keyboard_select</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a>[<span class="vhdllogic">3</span>] == <span class="vhdllogic">1'b1</span>};
|
| 233 |
|
|
<a name="l00199"></a>00199
|
| 234 |
|
|
<a name="l00200"></a><a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">00200</a> <span class="vhdlkeyword">reg</span> [<span class="vhdllogic">3</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a>;
|
| 235 |
|
|
<a name="l00201"></a><a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">00201</a> <span class="vhdlkeyword">parameter</span> [<span class="vhdllogic">3</span>:<span class="vhdllogic">0</span>]
|
| 236 |
|
|
<a name="l00202"></a>00202 <a class="code" href="classcontrol__osd.html#a68452c642ded0928e1066ce36355cce6">S_SD_CHECK_INIT</a> = <span class="vhdllogic">4'd0</span>,
|
| 237 |
|
|
<a name="l00203"></a>00203 <a class="code" href="classcontrol__osd.html#ac89da3651617178f73dc266c04cfe961">S_SD_ERROR</a> = <span class="vhdllogic">4'd1</span>,
|
| 238 |
|
|
<a name="l00204"></a>00204 <a class="code" href="classcontrol__osd.html#a9703e01c4d6ed52e7ade167591a8e0aa">S_READ_INTRO</a> = <span class="vhdllogic">4'd2</span>,
|
| 239 |
|
|
<a name="l00205"></a>00205 <a class="code" href="classcontrol__osd.html#ab970a1e9b2c49dc913acce5c19eaf35b">S_READ_INTRO_WAIT</a> = <span class="vhdllogic">4'd3</span>,
|
| 240 |
|
|
<a name="l00206"></a>00206 <a class="code" href="classcontrol__osd.html#a16c08146ee965b70f1bed7159d3ea03b">S_READ_HEADER</a> = <span class="vhdllogic">4'd4</span>,
|
| 241 |
|
|
<a name="l00207"></a>00207 <a class="code" href="classcontrol__osd.html#ac9549cc9fb4eece3f79c77944c37e938">S_READ_HEADER_WAIT</a> = <span class="vhdllogic">4'd5</span>,
|
| 242 |
|
|
<a name="l00208"></a>00208 <a class="code" href="classcontrol__osd.html#a0dff34146b98847c6f0e497e8a896d60">S_SELECT_ROM</a> = <span class="vhdllogic">4'd6</span>,
|
| 243 |
|
|
<a name="l00209"></a>00209 <a class="code" href="classcontrol__osd.html#a1bd013f7937fd22f51d13505d6973260">S_COPY_ROM</a> = <span class="vhdllogic">4'd7</span>,
|
| 244 |
|
|
<a name="l00210"></a>00210 <a class="code" href="classcontrol__osd.html#a4f25c53f35d7e5deef6a1895ee61fc01">S_RUNNING</a> = <span class="vhdllogic">4'd8</span>,
|
| 245 |
|
|
<a name="l00211"></a>00211 <a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">S_ON_SCREEN_DISPLAY</a> = <span class="vhdllogic">4'd9</span>;
|
| 246 |
|
|
<a name="l00212"></a>00212
|
| 247 |
|
|
<a name="l00213"></a><a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">00213</a> <span class="vhdlkeyword">reg</span> [<span class="vhdllogic">1</span>:<span class="vhdllogic">0</span>] <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a>;
|
| 248 |
|
|
<a name="l00214"></a>00214
|
| 249 |
|
|
<a name="l00215"></a><a class="code" href="classcontrol__osd.html#a51312022ad3e3d47d4febf6c4d57397f">00215</a> <span class="vhdlkeyword">always</span> @(<span class="vhdlkeyword">posedge</span> <a class="code" href="classcontrol__osd.html#a6196377a3ab5559a513854cf1c3497b1">CLK_I</a> <span class="vhdlkeyword">or</span> <span class="vhdlkeyword">negedge</span> <a class="code" href="classcontrol__osd.html#ae2085dff5bb31a3a9900c6835b2910b6">reset_n</a>) <span class="vhdlkeyword">begin</span>
|
| 250 |
|
|
<a name="l00216"></a>00216 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ae2085dff5bb31a3a9900c6835b2910b6">reset_n</a> == <span class="vhdllogic">1'b0</span>) <span class="vhdlkeyword">begin</span>
|
| 251 |
|
|
<a name="l00217"></a>00217 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 252 |
|
|
<a name="l00218"></a>00218 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 253 |
|
|
<a name="l00219"></a>00219 <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> <= <span class="vhdllogic">30'd0</span>;
|
| 254 |
|
|
<a name="l00220"></a>00220 <a class="code" href="classcontrol__osd.html#ac02fbf6de142f70d423487e5eebbf41e">WE_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 255 |
|
|
<a name="l00221"></a>00221 <a class="code" href="classcontrol__osd.html#ad3aa3632307fea5a411e849d00b16b6c">master_DAT_O</a> <= <span class="vhdllogic">32'd0</span>;
|
| 256 |
|
|
<a name="l00222"></a>00222
|
| 257 |
|
|
<a name="l00223"></a>00223 <a class="code" href="classcontrol__osd.html#af54eb8eee839999c0d1ec81f4ee83f05">ACK_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 258 |
|
|
<a name="l00224"></a>00224
|
| 259 |
|
|
<a name="l00225"></a>00225 <a class="code" href="classcontrol__osd.html#a6ce16bde3a7e3ca98e9f6f52f1d54b01">management_mode</a> <= <span class="vhdllogic">1'b1</span>;
|
| 260 |
|
|
<a name="l00226"></a>00226 <a class="code" href="classcontrol__osd.html#a11dbc96f56067e875dcb44927dfcc10f">pointer</a> <= -<span class="vhdllogic">8'd7</span><span class="vhdllogic"></span>;
|
| 261 |
|
|
<a name="l00227"></a>00227 <a class="code" href="classcontrol__osd.html#ae5f31d2e616c0e1c35a0658a7ab32529">selected_floppy_pointer</a> <= -<span class="vhdllogic">8'd5</span><span class="vhdllogic"></span>;
|
| 262 |
|
|
<a name="l00228"></a>00228
|
| 263 |
|
|
<a name="l00229"></a>00229 <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a> <= <span class="vhdllogic">32'd0</span>;
|
| 264 |
|
|
<a name="l00230"></a>00230 <a class="code" href="classcontrol__osd.html#af65347dfddd6e44e81f3cf90ec9e8272">value_b</a> <= <span class="vhdllogic">32'd0</span>;
|
| 265 |
|
|
<a name="l00231"></a>00231 <a class="code" href="classcontrol__osd.html#aeda541622c7c8f2260aa315647b95a5a">value_counter</a> <= <span class="vhdllogic">2'd0</span>;
|
| 266 |
|
|
<a name="l00232"></a>00232 <a class="code" href="classcontrol__osd.html#aa0a936aa1855900564c1b2ee7afc90ff">last_osd_column</a> <= <span class="vhdllogic">5'd0</span>;
|
| 267 |
|
|
<a name="l00233"></a>00233
|
| 268 |
|
|
<a name="l00234"></a>00234 <a class="code" href="classcontrol__osd.html#acf827f8c96b7f380c7e206e0acea7d90">last_keyboard_up</a> <= <span class="vhdllogic">1'b0</span>;
|
| 269 |
|
|
<a name="l00235"></a>00235 <a class="code" href="classcontrol__osd.html#a5c8253fd8c2a8af87cf2f934901cfbcd">last_keyboard_down</a> <= <span class="vhdllogic">1'b0</span>;
|
| 270 |
|
|
<a name="l00236"></a>00236 <a class="code" href="classcontrol__osd.html#a575867013a3e21f25b0474e77038da8a">last_keyboard_select</a> <= <span class="vhdllogic">1'b0</span>;
|
| 271 |
|
|
<a name="l00237"></a>00237 <a class="code" href="classcontrol__osd.html#a89fd67f1b7e8dbdf703c0834a6478f6a">last_request_osd</a> <= <span class="vhdllogic">1'b0</span>;
|
| 272 |
|
|
<a name="l00238"></a>00238
|
| 273 |
|
|
<a name="l00239"></a>00239 <a class="code" href="classcontrol__osd.html#a118dcc09c5966614c035a6fb16e232d8">on_screen_display</a> <= <span class="vhdllogic">1'b1</span>;
|
| 274 |
|
|
<a name="l00240"></a>00240 <a class="code" href="classcontrol__osd.html#aedcadd537ead33021c07902d18675670">joystick_enable</a> <= <span class="vhdllogic">1'b0</span>;
|
| 275 |
|
|
<a name="l00241"></a>00241 <a class="code" href="classcontrol__osd.html#a184b1277f2f2aaa469a1e45f183bf0b5">floppy_sector</a> <= <span class="vhdllogic">32'd0</span>;
|
| 276 |
|
|
<a name="l00242"></a>00242 <a class="code" href="classcontrol__osd.html#a1599e7ad96018cb8119f148f15f41e33">floppy_write_enabled</a> <= <span class="vhdllogic">1'b0</span>;
|
| 277 |
|
|
<a name="l00243"></a>00243
|
| 278 |
|
|
<a name="l00244"></a>00244 <a class="code" href="classcontrol__osd.html#ae06410c715ba2a8e8f68f72dc7ab7ac5">keyboard_counter</a> <= <span class="vhdllogic">23'd0</span>;
|
| 279 |
|
|
<a name="l00245"></a>00245 <a class="code" href="classcontrol__osd.html#a894a5810810119333b0eabcaa639edde">keyboard_repeating</a> <= <span class="vhdllogic">1'b0</span>;
|
| 280 |
|
|
<a name="l00246"></a>00246
|
| 281 |
|
|
<a name="l00247"></a>00247 <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> <= <span class="vhdllogic">2'd0</span>;
|
| 282 |
|
|
<a name="l00248"></a>00248 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#a68452c642ded0928e1066ce36355cce6">S_SD_CHECK_INIT</a>;
|
| 283 |
|
|
<a name="l00249"></a>00249 <span class="vhdlkeyword">end</span>
|
| 284 |
|
|
<a name="l00250"></a>00250 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">begin</span>
|
| 285 |
|
|
<a name="l00251"></a>00251 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a0dfc269f92968a047cbffc059139de0a">CYC_I</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a13f03a265712c279b320063a9e70bf4c">STB_I</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#af54eb8eee839999c0d1ec81f4ee83f05">ACK_O</a> == <span class="vhdllogic">1'b0</span>) <a class="code" href="classcontrol__osd.html#af54eb8eee839999c0d1ec81f4ee83f05">ACK_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 286 |
|
|
<a name="l00252"></a>00252 <span class="vhdlkeyword">else</span> <a class="code" href="classcontrol__osd.html#af54eb8eee839999c0d1ec81f4ee83f05">ACK_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 287 |
|
|
<a name="l00253"></a>00253
|
| 288 |
|
|
<a name="l00254"></a>00254
|
| 289 |
|
|
<a name="l00255"></a>00255 <a class="code" href="classcontrol__osd.html#aa0a936aa1855900564c1b2ee7afc90ff">last_osd_column</a> <= <a class="code" href="classcontrol__osd.html#ae5ebacc470598b8ba116db8eda10fddd">osd_column</a>;
|
| 290 |
|
|
<a name="l00256"></a>00256 <a class="code" href="classcontrol__osd.html#acf827f8c96b7f380c7e206e0acea7d90">last_keyboard_up</a> <= <a class="code" href="classcontrol__osd.html#a30d42e8e9807db20a9955dcc733278e6">keyboard_up</a>;
|
| 291 |
|
|
<a name="l00257"></a>00257 <a class="code" href="classcontrol__osd.html#a5c8253fd8c2a8af87cf2f934901cfbcd">last_keyboard_down</a> <= <a class="code" href="classcontrol__osd.html#a4cc4f2acf479b53f39e86fd22e1e0fbd">keyboard_down</a>;
|
| 292 |
|
|
<a name="l00258"></a>00258 <a class="code" href="classcontrol__osd.html#a575867013a3e21f25b0474e77038da8a">last_keyboard_select</a> <= <a class="code" href="classcontrol__osd.html#a3f1812f10b7c24cabb4180272ae408ab">keyboard_select</a>;
|
| 293 |
|
|
<a name="l00259"></a>00259 <a class="code" href="classcontrol__osd.html#a89fd67f1b7e8dbdf703c0834a6478f6a">last_request_osd</a> <= <a class="code" href="classcontrol__osd.html#a630825280ca4da6c00f576507ad14bee">request_osd</a>;
|
| 294 |
|
|
<a name="l00260"></a>00260
|
| 295 |
|
|
<a name="l00261"></a>00261 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ae5ebacc470598b8ba116db8eda10fddd">osd_column</a> == <span class="vhdllogic">5'd31</span> && <a class="code" href="classcontrol__osd.html#aa0a936aa1855900564c1b2ee7afc90ff">last_osd_column</a> != <span class="vhdllogic">5'd31</span>) <a class="code" href="classcontrol__osd.html#aeda541622c7c8f2260aa315647b95a5a">value_counter</a> <= <span class="vhdllogic">2'd1</span>;
|
| 296 |
|
|
<a name="l00262"></a>00262 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#aeda541622c7c8f2260aa315647b95a5a">value_counter</a> != <span class="vhdllogic">2'd0</span>) <a class="code" href="classcontrol__osd.html#aeda541622c7c8f2260aa315647b95a5a">value_counter</a> <= <a class="code" href="classcontrol__osd.html#aeda541622c7c8f2260aa315647b95a5a">value_counter</a> + <span class="vhdllogic">2'd1</span>;
|
| 297 |
|
|
<a name="l00263"></a>00263
|
| 298 |
|
|
<a name="l00264"></a>00264 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">osd_line</a> == <span class="vhdllogic">5'd9</span> && <a class="code" href="classcontrol__osd.html#aeda541622c7c8f2260aa315647b95a5a">value_counter</a> == <span class="vhdllogic">2'd2</span>) <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a> <= <a class="code" href="classcontrol__osd.html#ac91d851e4665fdea7402fb9d4f5eab33">char</a>;
|
| 299 |
|
|
<a name="l00265"></a>00265 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ae8b5fe5aa092efbbfac575c43d80c928">osd_line</a> == <span class="vhdllogic">5'd9</span> && <a class="code" href="classcontrol__osd.html#aeda541622c7c8f2260aa315647b95a5a">value_counter</a> == <span class="vhdllogic">2'd3</span>) <a class="code" href="classcontrol__osd.html#af65347dfddd6e44e81f3cf90ec9e8272">value_b</a> <= <a class="code" href="classcontrol__osd.html#ac91d851e4665fdea7402fb9d4f5eab33">char</a>;
|
| 300 |
|
|
<a name="l00266"></a>00266
|
| 301 |
|
|
<a name="l00267"></a>00267 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a30d42e8e9807db20a9955dcc733278e6">keyboard_up</a> == <span class="vhdllogic">1'b0</span> && <a class="code" href="classcontrol__osd.html#a4cc4f2acf479b53f39e86fd22e1e0fbd">keyboard_down</a> == <span class="vhdllogic">1'b0</span>) <a class="code" href="classcontrol__osd.html#a894a5810810119333b0eabcaa639edde">keyboard_repeating</a> <= <span class="vhdllogic">1'b0</span>;
|
| 302 |
|
|
<a name="l00268"></a>00268 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a5095fdef3b874b500ff5283c5b5affe8">keyboard_repeat</a> == <span class="vhdllogic">1'b1</span>) <a class="code" href="classcontrol__osd.html#a894a5810810119333b0eabcaa639edde">keyboard_repeating</a> <= <span class="vhdllogic">1'b1</span>;
|
| 303 |
|
|
<a name="l00269"></a>00269
|
| 304 |
|
|
<a name="l00270"></a>00270 <span class="vhdlkeyword">if</span>((<a class="code" href="classcontrol__osd.html#a30d42e8e9807db20a9955dcc733278e6">keyboard_up</a> == <span class="vhdllogic">1'b1</span> || <a class="code" href="classcontrol__osd.html#a4cc4f2acf479b53f39e86fd22e1e0fbd">keyboard_down</a> == <span class="vhdllogic">1'b1</span>) && <a class="code" href="classcontrol__osd.html#a5095fdef3b874b500ff5283c5b5affe8">keyboard_repeat</a> == <span class="vhdllogic">1'b0</span>) <a class="code" href="classcontrol__osd.html#ae06410c715ba2a8e8f68f72dc7ab7ac5">keyboard_counter</a> <= <a class="code" href="classcontrol__osd.html#ae06410c715ba2a8e8f68f72dc7ab7ac5">keyboard_counter</a> + <span class="vhdllogic">21'd1</span>;
|
| 305 |
|
|
<a name="l00271"></a>00271 <span class="vhdlkeyword">else</span> <a class="code" href="classcontrol__osd.html#ae06410c715ba2a8e8f68f72dc7ab7ac5">keyboard_counter</a> <= <span class="vhdllogic">21'd0</span>;
|
| 306 |
|
|
<a name="l00272"></a>00272
|
| 307 |
|
|
<a name="l00273"></a>00273 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a30d42e8e9807db20a9955dcc733278e6">keyboard_up</a> == <span class="vhdllogic">1'b1</span> && (<a class="code" href="classcontrol__osd.html#acf827f8c96b7f380c7e206e0acea7d90">last_keyboard_up</a> == <span class="vhdllogic">1'b0</span> || <a class="code" href="classcontrol__osd.html#a5095fdef3b874b500ff5283c5b5affe8">keyboard_repeat</a> == <span class="vhdllogic">1'b1</span>) && <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a>[<span class="vhdllogic">0</span>] == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a>[<span class="vhdllogic">1</span>] == <span class="vhdllogic">1'b0</span>)
|
| 308 |
|
|
<a name="l00274"></a>00274 <a class="code" href="classcontrol__osd.html#a11dbc96f56067e875dcb44927dfcc10f">pointer</a> <= <a class="code" href="classcontrol__osd.html#a11dbc96f56067e875dcb44927dfcc10f">pointer</a> - <span class="vhdllogic">8'd1</span>;
|
| 309 |
|
|
<a name="l00275"></a>00275 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a4cc4f2acf479b53f39e86fd22e1e0fbd">keyboard_down</a> == <span class="vhdllogic">1'b1</span> && (<a class="code" href="classcontrol__osd.html#a5c8253fd8c2a8af87cf2f934901cfbcd">last_keyboard_down</a> == <span class="vhdllogic">1'b0</span> || <a class="code" href="classcontrol__osd.html#a5095fdef3b874b500ff5283c5b5affe8">keyboard_repeat</a> == <span class="vhdllogic">1'b1</span>) && <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a>[<span class="vhdllogic">0</span>] == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a>[<span class="vhdllogic">2</span>] == <span class="vhdllogic">1'b0</span>)
|
| 310 |
|
|
<a name="l00276"></a>00276 <a class="code" href="classcontrol__osd.html#a11dbc96f56067e875dcb44927dfcc10f">pointer</a> <= <a class="code" href="classcontrol__osd.html#a11dbc96f56067e875dcb44927dfcc10f">pointer</a> + <span class="vhdllogic">8'd1</span>;
|
| 311 |
|
|
<a name="l00277"></a>00277 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">S_ON_SCREEN_DISPLAY</a> && <a class="code" href="classcontrol__osd.html#a575867013a3e21f25b0474e77038da8a">last_keyboard_select</a> == <span class="vhdllogic">1'b0</span> && <a class="code" href="classcontrol__osd.html#a3f1812f10b7c24cabb4180272ae408ab">keyboard_select</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a>[<span class="vhdllogic">5</span>] == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#adf38e4a4a873d67cdd788060a408493f">floppy_inserted</a> == <span class="vhdllogic">13'd1</span>)
|
| 312 |
|
|
<a name="l00278"></a>00278 <a class="code" href="classcontrol__osd.html#a11dbc96f56067e875dcb44927dfcc10f">pointer</a> <= <a class="code" href="classcontrol__osd.html#ae5f31d2e616c0e1c35a0658a7ab32529">selected_floppy_pointer</a>;
|
| 313 |
|
|
<a name="l00279"></a>00279 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">S_ON_SCREEN_DISPLAY</a> && <a class="code" href="classcontrol__osd.html#a575867013a3e21f25b0474e77038da8a">last_keyboard_select</a> == <span class="vhdllogic">1'b0</span> && <a class="code" href="classcontrol__osd.html#a3f1812f10b7c24cabb4180272ae408ab">keyboard_select</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a>[<span class="vhdllogic">5</span>] == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#adf38e4a4a873d67cdd788060a408493f">floppy_inserted</a> == <span class="vhdllogic">13'd0</span>)
|
| 314 |
|
|
<a name="l00280"></a>00280 <a class="code" href="classcontrol__osd.html#a11dbc96f56067e875dcb44927dfcc10f">pointer</a> <= -<span class="vhdllogic">8'd4</span><span class="vhdllogic"></span>;
|
| 315 |
|
|
<a name="l00281"></a>00281
|
| 316 |
|
|
<a name="l00282"></a>00282 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a8d108655097a93e09690cd77d840fca4">floppy_error</a> == <span class="vhdllogic">1'b1</span>) <span class="vhdlkeyword">begin</span>
|
| 317 |
|
|
<a name="l00283"></a>00283 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 318 |
|
|
<a name="l00284"></a>00284 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 319 |
|
|
<a name="l00285"></a>00285
|
| 320 |
|
|
<a name="l00286"></a>00286 <a class="code" href="classcontrol__osd.html#a118dcc09c5966614c035a6fb16e232d8">on_screen_display</a> <= <span class="vhdllogic">1'b1</span>;
|
| 321 |
|
|
<a name="l00287"></a>00287 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#ac89da3651617178f73dc266c04cfe961">S_SD_ERROR</a>;
|
| 322 |
|
|
<a name="l00288"></a>00288 <span class="vhdlkeyword">end</span>
|
| 323 |
|
|
<a name="l00289"></a>00289 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a68452c642ded0928e1066ce36355cce6">S_SD_CHECK_INIT</a>) <span class="vhdlkeyword">begin</span>
|
| 324 |
|
|
<a name="l00290"></a>00290 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> == <span class="vhdllogic">1'b1</span>) <span class="vhdlkeyword">begin</span>
|
| 325 |
|
|
<a name="l00291"></a>00291 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 326 |
|
|
<a name="l00292"></a>00292 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 327 |
|
|
<a name="l00293"></a>00293
|
| 328 |
|
|
<a name="l00294"></a>00294 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a707c517dd2008bcd9a9b9be97c940a9d">master_DAT_I</a> == <span class="vhdllogic">32'd2</span>) <span class="vhdlkeyword">begin</span>
|
| 329 |
|
|
<a name="l00295"></a>00295 <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> <= <span class="vhdllogic">30'h4000400</span>; <span class="keyword">// 0x10001000, base write address</span>
|
| 330 |
|
|
<a name="l00296"></a>00296 <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> <= <span class="vhdllogic">2'd0</span>;
|
| 331 |
|
|
<a name="l00297"></a>00297 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#a9703e01c4d6ed52e7ade167591a8e0aa">S_READ_INTRO</a>;
|
| 332 |
|
|
<a name="l00298"></a>00298 <span class="vhdlkeyword">end</span>
|
| 333 |
|
|
<a name="l00299"></a>00299 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a707c517dd2008bcd9a9b9be97c940a9d">master_DAT_I</a> == <span class="vhdllogic">32'd1</span>) <span class="vhdlkeyword">begin</span>
|
| 334 |
|
|
<a name="l00300"></a>00300 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#ac89da3651617178f73dc266c04cfe961">S_SD_ERROR</a>;
|
| 335 |
|
|
<a name="l00301"></a>00301 <span class="vhdlkeyword">end</span>
|
| 336 |
|
|
<a name="l00302"></a>00302 <span class="vhdlkeyword">end</span>
|
| 337 |
|
|
<a name="l00303"></a>00303 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b0</span>) <span class="vhdlkeyword">begin</span>
|
| 338 |
|
|
<a name="l00304"></a>00304 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 339 |
|
|
<a name="l00305"></a>00305 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 340 |
|
|
<a name="l00306"></a>00306 <a class="code" href="classcontrol__osd.html#ac02fbf6de142f70d423487e5eebbf41e">WE_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 341 |
|
|
<a name="l00307"></a>00307 <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> <= <span class="vhdllogic">30'h4000400</span>; <span class="keyword">// 0x10001000, read state</span>
|
| 342 |
|
|
<a name="l00308"></a>00308 <span class="vhdlkeyword">end</span>
|
| 343 |
|
|
<a name="l00309"></a>00309 <span class="vhdlkeyword">end</span>
|
| 344 |
|
|
<a name="l00310"></a>00310
|
| 345 |
|
|
<a name="l00311"></a>00311 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a9703e01c4d6ed52e7ade167591a8e0aa">S_READ_INTRO</a>) <span class="vhdlkeyword">begin</span>
|
| 346 |
|
|
<a name="l00312"></a>00312 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> == <span class="vhdllogic">1'b1</span>) <span class="vhdlkeyword">begin</span>
|
| 347 |
|
|
<a name="l00313"></a>00313 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 348 |
|
|
<a name="l00314"></a>00314 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 349 |
|
|
<a name="l00315"></a>00315
|
| 350 |
|
|
<a name="l00316"></a>00316 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> < <span class="vhdllogic">2'd3</span>) <span class="vhdlkeyword">begin</span>
|
| 351 |
|
|
<a name="l00317"></a>00317 <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> <= <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> + <span class="vhdllogic">2'd1</span>;
|
| 352 |
|
|
<a name="l00318"></a>00318 <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> <= <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> + <span class="vhdllogic">30'd1</span>;
|
| 353 |
|
|
<a name="l00319"></a>00319 <span class="vhdlkeyword">end</span>
|
| 354 |
|
|
<a name="l00320"></a>00320 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">begin</span>
|
| 355 |
|
|
<a name="l00321"></a>00321 <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> <= <span class="vhdllogic">2'd0</span>;
|
| 356 |
|
|
<a name="l00322"></a>00322 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#ab970a1e9b2c49dc913acce5c19eaf35b">S_READ_INTRO_WAIT</a>;
|
| 357 |
|
|
<a name="l00323"></a>00323 <span class="vhdlkeyword">end</span>
|
| 358 |
|
|
<a name="l00324"></a>00324 <span class="vhdlkeyword">end</span>
|
| 359 |
|
|
<a name="l00325"></a>00325 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b0</span>) <span class="vhdlkeyword">begin</span>
|
| 360 |
|
|
<a name="l00326"></a>00326 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 361 |
|
|
<a name="l00327"></a>00327 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 362 |
|
|
<a name="l00328"></a>00328 <a class="code" href="classcontrol__osd.html#ac02fbf6de142f70d423487e5eebbf41e">WE_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 363 |
|
|
<a name="l00329"></a>00329 <span class="keyword">//ADR_O <= ADR_O;</span>
|
| 364 |
|
|
<a name="l00330"></a>00330
|
| 365 |
|
|
<a name="l00331"></a>00331 <a class="code" href="classcontrol__osd.html#ad3aa3632307fea5a411e849d00b16b6c">master_DAT_O</a> <=
|
| 366 |
|
|
<a name="l00332"></a>00332 (<a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> == <span class="vhdllogic">2'd0</span>)? <span class="vhdllogic">32'h10180000</span> : <span class="keyword">// base address, 0x10000000</span>
|
| 367 |
|
|
<a name="l00333"></a>00333 (<a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> == <span class="vhdllogic">2'd1</span>)? <span class="vhdllogic">32'd0</span> : <span class="keyword">// sd sector number</span>
|
| 368 |
|
|
<a name="l00334"></a>00334 (<a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> == <span class="vhdllogic">2'd2</span>)? <span class="vhdllogic">32'd432</span> : <span class="keyword">// read sector size</span>
|
| 369 |
|
|
<a name="l00335"></a>00335 <span class="vhdllogic">32'd2</span>; <span class="keyword">// start sd read</span>
|
| 370 |
|
|
<a name="l00336"></a>00336 <span class="vhdlkeyword">end</span>
|
| 371 |
|
|
<a name="l00337"></a>00337 <span class="vhdlkeyword">end</span>
|
| 372 |
|
|
<a name="l00338"></a>00338 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#ab970a1e9b2c49dc913acce5c19eaf35b">S_READ_INTRO_WAIT</a>) <span class="vhdlkeyword">begin</span>
|
| 373 |
|
|
<a name="l00339"></a>00339 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> == <span class="vhdllogic">1'b1</span>) <span class="vhdlkeyword">begin</span>
|
| 374 |
|
|
<a name="l00340"></a>00340 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 375 |
|
|
<a name="l00341"></a>00341 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 376 |
|
|
<a name="l00342"></a>00342
|
| 377 |
|
|
<a name="l00343"></a>00343 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a707c517dd2008bcd9a9b9be97c940a9d">master_DAT_I</a> == <span class="vhdllogic">32'd2</span>) <span class="vhdlkeyword">begin</span>
|
| 378 |
|
|
<a name="l00344"></a>00344 <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> <= <span class="vhdllogic">30'h4000400</span>; <span class="keyword">// 0x10001000, base write address</span>
|
| 379 |
|
|
<a name="l00345"></a>00345 <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> <= <span class="vhdllogic">2'd0</span>;
|
| 380 |
|
|
<a name="l00346"></a>00346 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#a16c08146ee965b70f1bed7159d3ea03b">S_READ_HEADER</a>;
|
| 381 |
|
|
<a name="l00347"></a>00347 <span class="vhdlkeyword">end</span>
|
| 382 |
|
|
<a name="l00348"></a>00348 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a707c517dd2008bcd9a9b9be97c940a9d">master_DAT_I</a> == <span class="vhdllogic">32'd5</span>) <span class="vhdlkeyword">begin</span>
|
| 383 |
|
|
<a name="l00349"></a>00349 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#ac89da3651617178f73dc266c04cfe961">S_SD_ERROR</a>;
|
| 384 |
|
|
<a name="l00350"></a>00350 <span class="vhdlkeyword">end</span>
|
| 385 |
|
|
<a name="l00351"></a>00351 <span class="vhdlkeyword">end</span>
|
| 386 |
|
|
<a name="l00352"></a>00352 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b0</span>) <span class="vhdlkeyword">begin</span>
|
| 387 |
|
|
<a name="l00353"></a>00353 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 388 |
|
|
<a name="l00354"></a>00354 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 389 |
|
|
<a name="l00355"></a>00355 <a class="code" href="classcontrol__osd.html#ac02fbf6de142f70d423487e5eebbf41e">WE_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 390 |
|
|
<a name="l00356"></a>00356 <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> <= <span class="vhdllogic">30'h4000400</span>; <span class="keyword">// 0x10001000, read state</span>
|
| 391 |
|
|
<a name="l00357"></a>00357 <span class="vhdlkeyword">end</span>
|
| 392 |
|
|
<a name="l00358"></a>00358 <span class="vhdlkeyword">end</span>
|
| 393 |
|
|
<a name="l00359"></a>00359
|
| 394 |
|
|
<a name="l00360"></a>00360 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a16c08146ee965b70f1bed7159d3ea03b">S_READ_HEADER</a>) <span class="vhdlkeyword">begin</span>
|
| 395 |
|
|
<a name="l00361"></a>00361 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> == <span class="vhdllogic">1'b1</span>) <span class="vhdlkeyword">begin</span>
|
| 396 |
|
|
<a name="l00362"></a>00362 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 397 |
|
|
<a name="l00363"></a>00363 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 398 |
|
|
<a name="l00364"></a>00364
|
| 399 |
|
|
<a name="l00365"></a>00365 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> < <span class="vhdllogic">2'd3</span>) <span class="vhdlkeyword">begin</span>
|
| 400 |
|
|
<a name="l00366"></a>00366 <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> <= <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> + <span class="vhdllogic">2'd1</span>;
|
| 401 |
|
|
<a name="l00367"></a>00367 <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> <= <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> + <span class="vhdllogic">30'd1</span>;
|
| 402 |
|
|
<a name="l00368"></a>00368 <span class="vhdlkeyword">end</span>
|
| 403 |
|
|
<a name="l00369"></a>00369 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">begin</span>
|
| 404 |
|
|
<a name="l00370"></a>00370 <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> <= <span class="vhdllogic">2'd0</span>;
|
| 405 |
|
|
<a name="l00371"></a>00371 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#ac9549cc9fb4eece3f79c77944c37e938">S_READ_HEADER_WAIT</a>;
|
| 406 |
|
|
<a name="l00372"></a>00372 <span class="vhdlkeyword">end</span>
|
| 407 |
|
|
<a name="l00373"></a>00373 <span class="vhdlkeyword">end</span>
|
| 408 |
|
|
<a name="l00374"></a>00374 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b0</span>) <span class="vhdlkeyword">begin</span>
|
| 409 |
|
|
<a name="l00375"></a>00375 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 410 |
|
|
<a name="l00376"></a>00376 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 411 |
|
|
<a name="l00377"></a>00377 <a class="code" href="classcontrol__osd.html#ac02fbf6de142f70d423487e5eebbf41e">WE_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 412 |
|
|
<a name="l00378"></a>00378 <span class="keyword">//ADR_O <= ADR_O;</span>
|
| 413 |
|
|
<a name="l00379"></a>00379
|
| 414 |
|
|
<a name="l00380"></a>00380 <a class="code" href="classcontrol__osd.html#ad3aa3632307fea5a411e849d00b16b6c">master_DAT_O</a> <=
|
| 415 |
|
|
<a name="l00381"></a>00381 (<a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> == <span class="vhdllogic">2'd0</span>)? <span class="vhdllogic">32'h10000200</span> : <span class="keyword">// base address, 0x10000000</span>
|
| 416 |
|
|
<a name="l00382"></a>00382 (<a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> == <span class="vhdllogic">2'd1</span>)? <span class="vhdllogic">32'd432</span> : <span class="keyword">// sd sector number</span>
|
| 417 |
|
|
<a name="l00383"></a>00383 (<a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> == <span class="vhdllogic">2'd2</span>)? <span class="vhdllogic">32'd8</span> : <span class="keyword">// read sector size</span>
|
| 418 |
|
|
<a name="l00384"></a>00384 <span class="vhdllogic">32'd2</span>; <span class="keyword">// start sd read</span>
|
| 419 |
|
|
<a name="l00385"></a>00385 <span class="vhdlkeyword">end</span>
|
| 420 |
|
|
<a name="l00386"></a>00386 <span class="vhdlkeyword">end</span>
|
| 421 |
|
|
<a name="l00387"></a>00387 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#ac9549cc9fb4eece3f79c77944c37e938">S_READ_HEADER_WAIT</a>) <span class="vhdlkeyword">begin</span>
|
| 422 |
|
|
<a name="l00388"></a>00388 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> == <span class="vhdllogic">1'b1</span>) <span class="vhdlkeyword">begin</span>
|
| 423 |
|
|
<a name="l00389"></a>00389 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 424 |
|
|
<a name="l00390"></a>00390 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 425 |
|
|
<a name="l00391"></a>00391
|
| 426 |
|
|
<a name="l00392"></a>00392 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a707c517dd2008bcd9a9b9be97c940a9d">master_DAT_I</a> == <span class="vhdllogic">32'd2</span>) <span class="vhdlkeyword">begin</span>
|
| 427 |
|
|
<a name="l00393"></a>00393 <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> <= <span class="vhdllogic">30'h4000400</span>; <span class="keyword">// 0x10001000, base write address</span>
|
| 428 |
|
|
<a name="l00394"></a>00394 <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> <= <span class="vhdllogic">2'd0</span>;
|
| 429 |
|
|
<a name="l00395"></a>00395 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#a0dff34146b98847c6f0e497e8a896d60">S_SELECT_ROM</a>;
|
| 430 |
|
|
<a name="l00396"></a>00396 <span class="vhdlkeyword">end</span>
|
| 431 |
|
|
<a name="l00397"></a>00397 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a707c517dd2008bcd9a9b9be97c940a9d">master_DAT_I</a> == <span class="vhdllogic">32'd5</span>) <span class="vhdlkeyword">begin</span>
|
| 432 |
|
|
<a name="l00398"></a>00398 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#ac89da3651617178f73dc266c04cfe961">S_SD_ERROR</a>;
|
| 433 |
|
|
<a name="l00399"></a>00399 <span class="vhdlkeyword">end</span>
|
| 434 |
|
|
<a name="l00400"></a>00400 <span class="vhdlkeyword">end</span>
|
| 435 |
|
|
<a name="l00401"></a>00401 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b0</span>) <span class="vhdlkeyword">begin</span>
|
| 436 |
|
|
<a name="l00402"></a>00402 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 437 |
|
|
<a name="l00403"></a>00403 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 438 |
|
|
<a name="l00404"></a>00404 <a class="code" href="classcontrol__osd.html#ac02fbf6de142f70d423487e5eebbf41e">WE_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 439 |
|
|
<a name="l00405"></a>00405 <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> <= <span class="vhdllogic">30'h4000400</span>; <span class="keyword">// 0x10001000, read state</span>
|
| 440 |
|
|
<a name="l00406"></a>00406 <span class="vhdlkeyword">end</span>
|
| 441 |
|
|
<a name="l00407"></a>00407 <span class="vhdlkeyword">end</span>
|
| 442 |
|
|
<a name="l00408"></a>00408 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a0dff34146b98847c6f0e497e8a896d60">S_SELECT_ROM</a> && <a class="code" href="classcontrol__osd.html#a3f1812f10b7c24cabb4180272ae408ab">keyboard_select</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a> != <span class="vhdllogic">32'd0</span>) <span class="vhdlkeyword">begin</span>
|
| 443 |
|
|
<a name="l00409"></a>00409 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> == <span class="vhdllogic">1'b1</span>) <span class="vhdlkeyword">begin</span>
|
| 444 |
|
|
<a name="l00410"></a>00410 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 445 |
|
|
<a name="l00411"></a>00411 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 446 |
|
|
<a name="l00412"></a>00412
|
| 447 |
|
|
<a name="l00413"></a>00413 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> < <span class="vhdllogic">2'd3</span>) <span class="vhdlkeyword">begin</span>
|
| 448 |
|
|
<a name="l00414"></a>00414 <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> <= <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> + <span class="vhdllogic">2'd1</span>;
|
| 449 |
|
|
<a name="l00415"></a>00415 <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> <= <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> + <span class="vhdllogic">30'd1</span>;
|
| 450 |
|
|
<a name="l00416"></a>00416 <span class="vhdlkeyword">end</span>
|
| 451 |
|
|
<a name="l00417"></a>00417 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">begin</span>
|
| 452 |
|
|
<a name="l00418"></a>00418 <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> <= <span class="vhdllogic">2'd0</span>;
|
| 453 |
|
|
<a name="l00419"></a>00419 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#a1bd013f7937fd22f51d13505d6973260">S_COPY_ROM</a>;
|
| 454 |
|
|
<a name="l00420"></a>00420 <span class="vhdlkeyword">end</span>
|
| 455 |
|
|
<a name="l00421"></a>00421 <span class="vhdlkeyword">end</span>
|
| 456 |
|
|
<a name="l00422"></a>00422 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b0</span>) <span class="vhdlkeyword">begin</span>
|
| 457 |
|
|
<a name="l00423"></a>00423 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 458 |
|
|
<a name="l00424"></a>00424 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 459 |
|
|
<a name="l00425"></a>00425 <a class="code" href="classcontrol__osd.html#ac02fbf6de142f70d423487e5eebbf41e">WE_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 460 |
|
|
<a name="l00426"></a>00426 <span class="keyword">//ADR_O <= ADR_O;</span>
|
| 461 |
|
|
<a name="l00427"></a>00427
|
| 462 |
|
|
<a name="l00428"></a>00428 <a class="code" href="classcontrol__osd.html#ad3aa3632307fea5a411e849d00b16b6c">master_DAT_O</a> <=
|
| 463 |
|
|
<a name="l00429"></a>00429 (<a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> == <span class="vhdllogic">2'd0</span>)? <span class="vhdllogic">32'h001C0000</span> : <span class="keyword">// base address, 0x00FC0000</span>
|
| 464 |
|
|
<a name="l00430"></a>00430 (<a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> == <span class="vhdllogic">2'd1</span>)? <a class="code" href="classcontrol__osd.html#af65347dfddd6e44e81f3cf90ec9e8272">value_b</a> : <span class="keyword">// sd sector number</span>
|
| 465 |
|
|
<a name="l00431"></a>00431 (<a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> == <span class="vhdllogic">2'd2</span>)? <span class="vhdllogic">32'd512</span> : <span class="keyword">// read sector size</span>
|
| 466 |
|
|
<a name="l00432"></a>00432 <span class="vhdllogic">32'd2</span>; <span class="keyword">// start sd read</span>
|
| 467 |
|
|
<a name="l00433"></a>00433 <span class="vhdlkeyword">end</span>
|
| 468 |
|
|
<a name="l00434"></a>00434 <span class="vhdlkeyword">end</span>
|
| 469 |
|
|
<a name="l00435"></a>00435 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a1bd013f7937fd22f51d13505d6973260">S_COPY_ROM</a>) <span class="vhdlkeyword">begin</span>
|
| 470 |
|
|
<a name="l00436"></a>00436 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> == <span class="vhdllogic">1'b1</span>) <span class="vhdlkeyword">begin</span>
|
| 471 |
|
|
<a name="l00437"></a>00437 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 472 |
|
|
<a name="l00438"></a>00438 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 473 |
|
|
<a name="l00439"></a>00439
|
| 474 |
|
|
<a name="l00440"></a>00440 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a707c517dd2008bcd9a9b9be97c940a9d">master_DAT_I</a> == <span class="vhdllogic">32'd2</span>) <span class="vhdlkeyword">begin</span>
|
| 475 |
|
|
<a name="l00441"></a>00441 <a class="code" href="classcontrol__osd.html#aab6f880274ec3ca14f88705143726620">substate</a> <= <span class="vhdllogic">2'd0</span>;
|
| 476 |
|
|
<a name="l00442"></a>00442 <a class="code" href="classcontrol__osd.html#a6ce16bde3a7e3ca98e9f6f52f1d54b01">management_mode</a> <= <span class="vhdllogic">1'b0</span>;
|
| 477 |
|
|
<a name="l00443"></a>00443 <a class="code" href="classcontrol__osd.html#a118dcc09c5966614c035a6fb16e232d8">on_screen_display</a> <= <span class="vhdllogic">1'b0</span>;
|
| 478 |
|
|
<a name="l00444"></a>00444 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#a4f25c53f35d7e5deef6a1895ee61fc01">S_RUNNING</a>;
|
| 479 |
|
|
<a name="l00445"></a>00445 <span class="vhdlkeyword">end</span>
|
| 480 |
|
|
<a name="l00446"></a>00446 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a707c517dd2008bcd9a9b9be97c940a9d">master_DAT_I</a> == <span class="vhdllogic">32'd5</span>) <span class="vhdlkeyword">begin</span>
|
| 481 |
|
|
<a name="l00447"></a>00447 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#ac89da3651617178f73dc266c04cfe961">S_SD_ERROR</a>;
|
| 482 |
|
|
<a name="l00448"></a>00448 <span class="vhdlkeyword">end</span>
|
| 483 |
|
|
<a name="l00449"></a>00449 <span class="vhdlkeyword">end</span>
|
| 484 |
|
|
<a name="l00450"></a>00450 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#ad11d60e20f113040178c94dcea38789c">ACK_I</a> == <span class="vhdllogic">1'b0</span>) <span class="vhdlkeyword">begin</span>
|
| 485 |
|
|
<a name="l00451"></a>00451 <a class="code" href="classcontrol__osd.html#a4217691e3bbe7442766824a66c9c6061">CYC_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 486 |
|
|
<a name="l00452"></a>00452 <a class="code" href="classcontrol__osd.html#a9729f8e99e6215f16d487c9edc3bf8b5">STB_O</a> <= <span class="vhdllogic">1'b1</span>;
|
| 487 |
|
|
<a name="l00453"></a>00453 <a class="code" href="classcontrol__osd.html#ac02fbf6de142f70d423487e5eebbf41e">WE_O</a> <= <span class="vhdllogic">1'b0</span>;
|
| 488 |
|
|
<a name="l00454"></a>00454 <a class="code" href="classcontrol__osd.html#a4f40e02634efce8e877f05af30970b5a">ADR_O</a> <= <span class="vhdllogic">30'h4000400</span>; <span class="keyword">// 0x10001000, read state</span>
|
| 489 |
|
|
<a name="l00455"></a>00455 <span class="vhdlkeyword">end</span>
|
| 490 |
|
|
<a name="l00456"></a>00456 <span class="vhdlkeyword">end</span>
|
| 491 |
|
|
<a name="l00457"></a>00457 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a4f25c53f35d7e5deef6a1895ee61fc01">S_RUNNING</a> && <a class="code" href="classcontrol__osd.html#a89fd67f1b7e8dbdf703c0834a6478f6a">last_request_osd</a> == <span class="vhdllogic">1'b0</span> && <a class="code" href="classcontrol__osd.html#a630825280ca4da6c00f576507ad14bee">request_osd</a> == <span class="vhdllogic">1'b1</span>) <span class="vhdlkeyword">begin</span>
|
| 492 |
|
|
<a name="l00458"></a>00458 <a class="code" href="classcontrol__osd.html#a118dcc09c5966614c035a6fb16e232d8">on_screen_display</a> <= <span class="vhdllogic">1'b1</span>;
|
| 493 |
|
|
<a name="l00459"></a>00459 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">S_ON_SCREEN_DISPLAY</a>;
|
| 494 |
|
|
<a name="l00460"></a>00460 <span class="vhdlkeyword">end</span>
|
| 495 |
|
|
<a name="l00461"></a>00461 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">S_ON_SCREEN_DISPLAY</a> && <a class="code" href="classcontrol__osd.html#a89fd67f1b7e8dbdf703c0834a6478f6a">last_request_osd</a> == <span class="vhdllogic">1'b0</span> && <a class="code" href="classcontrol__osd.html#a630825280ca4da6c00f576507ad14bee">request_osd</a> == <span class="vhdllogic">1'b1</span>) <span class="vhdlkeyword">begin</span>
|
| 496 |
|
|
<a name="l00462"></a>00462 <a class="code" href="classcontrol__osd.html#a118dcc09c5966614c035a6fb16e232d8">on_screen_display</a> <= <span class="vhdllogic">1'b0</span>;
|
| 497 |
|
|
<a name="l00463"></a>00463 <a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> <= <a class="code" href="classcontrol__osd.html#a4f25c53f35d7e5deef6a1895ee61fc01">S_RUNNING</a>;
|
| 498 |
|
|
<a name="l00464"></a>00464 <span class="vhdlkeyword">end</span>
|
| 499 |
|
|
<a name="l00465"></a>00465 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">S_ON_SCREEN_DISPLAY</a> && <a class="code" href="classcontrol__osd.html#a575867013a3e21f25b0474e77038da8a">last_keyboard_select</a> == <span class="vhdllogic">1'b0</span> && <a class="code" href="classcontrol__osd.html#a3f1812f10b7c24cabb4180272ae408ab">keyboard_select</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a>[<span class="vhdllogic">4</span>] == <span class="vhdllogic">1'b1</span>) <span class="vhdlkeyword">begin</span>
|
| 500 |
|
|
<a name="l00466"></a>00466 <a class="code" href="classcontrol__osd.html#aedcadd537ead33021c07902d18675670">joystick_enable</a> <= ~<a class="code" href="classcontrol__osd.html#aedcadd537ead33021c07902d18675670">joystick_enable</a>;
|
| 501 |
|
|
<a name="l00467"></a>00467 <span class="vhdlkeyword">end</span>
|
| 502 |
|
|
<a name="l00468"></a>00468 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">S_ON_SCREEN_DISPLAY</a> && <a class="code" href="classcontrol__osd.html#a575867013a3e21f25b0474e77038da8a">last_keyboard_select</a> == <span class="vhdllogic">1'b0</span> && <a class="code" href="classcontrol__osd.html#a3f1812f10b7c24cabb4180272ae408ab">keyboard_select</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a>[<span class="vhdllogic">6</span>] == <span class="vhdllogic">1'b1</span>) <span class="vhdlkeyword">begin</span>
|
| 503 |
|
|
<a name="l00469"></a>00469 <a class="code" href="classcontrol__osd.html#a1599e7ad96018cb8119f148f15f41e33">floppy_write_enabled</a> <= ~<a class="code" href="classcontrol__osd.html#a1599e7ad96018cb8119f148f15f41e33">floppy_write_enabled</a>;
|
| 504 |
|
|
<a name="l00470"></a>00470 <span class="vhdlkeyword">end</span>
|
| 505 |
|
|
<a name="l00471"></a>00471 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#a501cecb223ff8ac6940e3885dc86bd9f">state</a> == <a class="code" href="classcontrol__osd.html#a95fed56ef6e96e6f9f32ddc7d5c536bb">S_ON_SCREEN_DISPLAY</a> && <a class="code" href="classcontrol__osd.html#a575867013a3e21f25b0474e77038da8a">last_keyboard_select</a> == <span class="vhdllogic">1'b0</span> && <a class="code" href="classcontrol__osd.html#a3f1812f10b7c24cabb4180272ae408ab">keyboard_select</a> == <span class="vhdllogic">1'b1</span> && <a class="code" href="classcontrol__osd.html#a5f8c80324e4819532079fe69ba4ec7b7">value_a</a>[<span class="vhdllogic">5</span>] == <span class="vhdllogic">1'b1</span>) <span class="vhdlkeyword">begin</span>
|
| 506 |
|
|
<a name="l00472"></a>00472 <span class="vhdlkeyword">if</span>(<a class="code" href="classcontrol__osd.html#adf38e4a4a873d67cdd788060a408493f">floppy_inserted</a> == <span class="vhdllogic">13'd1</span>) <span class="vhdlkeyword">begin</span>
|
| 507 |
|
|
<a name="l00473"></a>00473 <a class="code" href="classcontrol__osd.html#a184b1277f2f2aaa469a1e45f183bf0b5">floppy_sector</a> <= <span class="vhdllogic">32'd0</span>;
|
| 508 |
|
|
<a name="l00474"></a>00474 <span class="vhdlkeyword">end</span>
|
| 509 |
|
|
<a name="l00475"></a>00475 <span class="vhdlkeyword">else</span> <span class="vhdlkeyword">begin</span>
|
| 510 |
|
|
<a name="l00476"></a>00476 <a class="code" href="classcontrol__osd.html#a184b1277f2f2aaa469a1e45f183bf0b5">floppy_sector</a> <= <a class="code" href="classcontrol__osd.html#af65347dfddd6e44e81f3cf90ec9e8272">value_b</a>;
|
| 511 |
|
|
<a name="l00477"></a>00477 <a class="code" href="classcontrol__osd.html#ae5f31d2e616c0e1c35a0658a7ab32529">selected_floppy_pointer</a> <= <a class="code" href="classcontrol__osd.html#a11dbc96f56067e875dcb44927dfcc10f">pointer</a>;
|
| 512 |
|
|
<a name="l00478"></a>00478 <span class="vhdlkeyword">end</span>
|
| 513 |
|
|
<a name="l00479"></a>00479 <span class="vhdlkeyword">end</span>
|
| 514 |
|
|
<a name="l00480"></a>00480 <span class="vhdlkeyword">end</span>
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<a name="l00481"></a>00481 <span class="vhdlkeyword">end</span>
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<a name="l00482"></a>00482
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<a name="l00483"></a>00483 <span class="vhdlkeyword">endmodule</span>
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<a name="l00484"></a>00484
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</pre></div></div>
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<hr class="footer"/><address class="footer"><small>Generated on Mon Dec 20 2010 21:20:18 for aoOCS by 
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.2 </small></address>
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