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<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><link rel="stylesheet" type="text/css" href="ca65-doc-style.css"/></head><body><a href="ref_index.html"><h1>ip65 technical reference</h1></a><h1>File : drivers/rr-net.s</h1><pre> RR-Net driver
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</pre><h2 id="functions">functions</h2><table><tr><th>function</th><th>description</th></tr><tr><td id="cs_init">cs_init</td><td><pre>initialise Retro Replay so we can access the network adapter
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inputs: none
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outputs: none
</pre></td></tr></table><h2 id="constants">constants</h2><table><tr><th>constants</th><th>description</th><th>value</th></tr><tr><td id="cs_packet_data">cs_packet_data</td><td>address of 'packet data' port on RR-Net
</td><td>IO_BASE+4</td></tr><tr><td id="cs_packet_page">cs_packet_page</td><td>address of 'packet page' port on RR-Net
</td><td>IO_BASE+2 </td></tr><tr><td id="cs_rxtx_data">cs_rxtx_data</td><td>address of 'recieve/transmit data' port on RR-Net
</td><td>IO_BASE+8 </td></tr><tr><td id="cs_tx_cmd">cs_tx_cmd</td><td>address of 'transmit command' port on RR-Net
</td><td>IO_BASE+$0c</td></tr><tr><td id="cs_tx_len">cs_tx_len</td><td>address of 'transmission length' port on RR-Net
</td><td>IO_BASE+$0e</td></tr><tr><td id="eth_driver_io_base">eth_driver_io_base</td><td></td><td></td></tr><tr><td id="eth_driver_name">eth_driver_name</td><td></td><td></td></tr></table><h2>implementation</h2><pre id="code">; RR-Net driver
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.export cs_init
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.export cs_packet_page
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.export cs_packet_data
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.export cs_rxtx_data
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.export cs_tx_cmd
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.export cs_tx_len
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.export eth_driver_name
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.export eth_driver_io_base
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IO_BASE=$de00
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;IO_BASE=$df00
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rr_ctl = IO_BASE+1 ;address of 'control' port on Retro-Replay
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cs_packet_page = IO_BASE+2 ;address of 'packet page' port on RR-Net
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cs_packet_data = IO_BASE+4;address of 'packet data' port on RR-Net
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cs_rxtx_data = IO_BASE+8 ;address of 'recieve/transmit data' port on RR-Net
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cs_tx_cmd = IO_BASE+$0c;address of 'transmit command' port on RR-Net
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cs_tx_len = IO_BASE+$0e;address of 'transmission length' port on RR-Net
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.code
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;initialise Retro Replay so we can access the network adapter
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;inputs: none
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;outputs: none
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cs_init:
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lda rr_ctl
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ora #1
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sta rr_ctl
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rts
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.rodata
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eth_driver_name:
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.if IO_BASE=$de00
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.byte "RR-NET",0
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.else
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.byte "64NIC+",0
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.endif
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eth_driver_io_base:
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.word IO_BASE
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;-- LICENSE FOR rr-net.s --
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; The contents of this file are subject to the Mozilla Public License
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; Version 1.1 (the "License"); you may not use this file except in
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; compliance with the License. You may obtain a copy of the License at
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; http://www.mozilla.org/MPL/
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;
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; Software distributed under the License is distributed on an "AS IS"
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; basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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; License for the specific language governing rights and limitations
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; under the License.
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;
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; The Original Code is ip65.
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;
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; The Initial Developer of the Original Code is Jonno Downes,
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; jonno@jamtronix.com.
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; Portions created by the Initial Developer are Copyright (C) 2009
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; Jonno Downes. All Rights Reserved.
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; -- LICENSE END --
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</pre></body></html>
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