<?xml version="1.0" ?>
<!DOCTYPE msxconfig SYSTEM 'msxconfig2.dtd'>
<msxconfig>

  <info>
    <manufacturer>Canon</manufacturer>
    <code>V-25</code>
    <release_year>1984?</release_year>
    <description>One of the few MSX2's with only 64kB VRAM.</description>
    <type>MSX2</type>
  </info>

  <!-- S-3527 based machine, Zilog Z8400APS, 32k ROM: YAMAHA YM2301, 16k ROM: NEC D23C128EC - thanks to Rudi Westerhof for borrowing me his Canon V-25! -->

  <CassettePort/>

  <devices>

    <PPI id="ppi">
      <sound>
        <volume>16000</volume>
      </sound>
      <io base="0xA8" num="4"/>
      <keyboard_type>jp_jis</keyboard_type>
      <has_keypad>false</has_keypad>
      <key_ghosting_sgc_protected>false</key_ghosting_sgc_protected>
      <code_kana_locks>true</code_kana_locks>
      <graph_locks>false</graph_locks>
    </PPI>

    <VDP id="VDP">
      <version>V9938</version>
      <vram>64</vram>
      <io base="0x98" num="8" type="O"/> <!-- S-3527 mirrors -->
      <io base="0x98" num="8" type="I"/> <!-- S-3527 mirrors -->
    </VDP>

    <PSG id="PSG">
      <type>YM2149</type> <!-- in S-3527 MSX-ENGINE -->
      <sound>
        <volume>21000</volume>
      </sound>
      <io base="0xA0" num="2" type="O"/>
      <io base="0xA2" num="1" type="I"/>
      <ignorePortDirections>true</ignorePortDirections> <!-- not sure, but guess based on use of Engine IC -->
    </PSG>

    <RTC id="Real time clock">
      <sramname>v-25.cmos</sramname>
      <io base="0xB4" num="2" type="O"/>
      <io base="0xB5" num="1" type="I"/>
    </RTC>

    <PrinterPort id="Printer Port">
      <io base="0x90" num="2"/>
    </PrinterPort>

    <primary slot="0">
      <ROM id="MSX BIOS with BASIC ROM">
        <rom>
          <filename>v-25_basic-bios2.rom</filename>
          <sha1>0081ea0d25bc5cd8d70b60ad8cfdc7307812c0fd</sha1>
        </rom>
        <mem base="0x0000" size="0x8000"/>
      </ROM>
    </primary>

    <primary external="true" slot="1"/> <!-- side slot -->

    <primary external="true" slot="2"/> <!-- top slot -->

    <primary slot="3">

      <secondary slot="0">
        <ROM id="MSX Sub ROM">
          <rom>
            <filename>v-25_msx2sub.rom</filename>
            <sha1>b8e30d604d319d511cbfbc61e5d8c38fbb9c5a33</sha1>
          </rom>
          <mem base="0x0000" size="0x4000"/> <!-- NO mirroring -->
        </ROM>
      </secondary>

      <secondary slot="2">
        <MemoryMapper id="Main RAM">
          <size>64</size>
          <initialContent encoding="gz-base64">eJxjYBhY8H+AAQAioH+B</initialContent> <!-- ((chr(0) * 128) + (chr(255) * 128)) -->
          <mem base="0x0000" size="0x10000"/>
        </MemoryMapper>
      </secondary>

    </primary>

  </devices>

</msxconfig>
