<?xml version="1.0" ?>

<!DOCTYPE msxconfig SYSTEM 'msxconfig2.dtd'>

<msxconfig>

  <info>

    <manufacturer>Yamaha</manufacturer>

    <code>YIS-503</code>

    <release_year>1984</release_year>

    <description>Home Personal Computer: like CX5F, but without sound module.</description>

    <type>MSX</type>

    <region>jp</region>

  </info>

  <!-- 

  Confirmed by Peter Hanraets that this machine seems to be identical internally to the CX5F. Same ROMs are in place, same slot layout.

   -->

  <CassettePort/>

  <devices>

    <PPI id="ppi">

      <sound>

        <volume>16000</volume>

      </sound>

      <io base="0xA8" num="4"/>

      <keyboard_type>jp_ansi</keyboard_type>

      <has_keypad>false</has_keypad>

      <key_ghosting_sgc_protected>false</key_ghosting_sgc_protected>

      <code_kana_locks>true</code_kana_locks>

    </PPI>

    <VDP id="VDP">

      <io base="0x98" num="4" type="O"/>

      <io base="0x98" num="2" type="I"/>

      <version>TMS99X8A</version>

    </VDP>

    <PSG id="PSG">

      <type>YM2149</type>

      <sound>

        <volume>21000</volume>

      </sound>

      <io base="0xA0" num="4" type="IO"/>

      <ignorePortDirections>false</ignorePortDirections> <!-- not sure, but guess based on discrete PSG chip -->

    </PSG>

    <PrinterPort id="Printer Port">

      <io base="0x90" num="2"/>

    </PrinterPort>

    <primary slot="0">

      <RAM id="Main RAM">

        <mem base="0x8000" size="0x8000"/>

        <initialContent encoding="hex">FF00</initialContent>

      </RAM>

      <ROM id="MSX BIOS with BASIC ROM">

        <rom>

          <sha1>302afb5d8be26c758309ca3df611ae69cced2821</sha1>

          <filename>yis-503_basic-bios1.rom</filename>

        </rom>

        <mem base="0x0000" size="0x8000"/>

      </ROM>

    </primary>

    <primary external="true" slot="1"/>

    <!-- Note that this slot is not a standard MSX cartridgeslot, but a 50 pins

    male connector, carrying all MSX cartridgeslot signals. On a real machine

    you can use the Yamaha CA-01 Single Cartridge Adapter to change this slot

    into a normal MSX cartridge slot. As openMSX doesn't model these, consider

    this slot to have this adapter connected... -->

    <primary external="true" slot="2"/>

    <primary slot="3" external="true" /> <!-- module slot -->

  </devices>

</msxconfig>