<?xml version="1.0" ?>

<!DOCTYPE msxconfig SYSTEM 'msxconfig2.dtd'>

<msxconfig>

  <info>

    <manufacturer>CIEL (Ademir Carchano)</manufacturer>

    <code>Expert Turbo</code>

    <release_year>1996</release_year>

    <description>A Brazillian homebrew MSX2+ motherboard for a Gradiente Expert case.</description>

    <type>MSX2+</type>

    <region>br</region>

  </info>

  <MapperReadBackBits>largest</MapperReadBackBits>

  <CassettePort/>

  <devices>

    <PPI id="ppi">

      <sound>

        <volume>16000</volume>

      </sound>

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

      <keyboard_type>br_gradiente_1_1</keyboard_type> <!-- It has a Brazillian/Portuguese layout, with special composing capabilities in the ROM -->

      <has_keypad>false</has_keypad> <!-- The keypad of the Experts is not a real one. It uses the same keycodes of the standard 1,2,3,4... keys. I.e: If you press SHIFT+4 on the keypad, you'll get the $ sign  -->

      <key_ghosting_sgc_protected>true</key_ghosting_sgc_protected>

      <code_kana_locks>false</code_kana_locks>

      <graph_locks>false</graph_locks>

    </PPI>

    <VDP id="VDP">

      <version>V9958</version>

      <vram>128</vram>

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

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

    </VDP>

    <PSG id="PSG">

      <type>AY8910</type>

      <sound>

        <volume>21000</volume>

        <!-- PSG is mixed on right, with the YM2413 rhythm channels -->

        <!-- This way the computer has 6 channels on each side -->

        <balance channel="1-3">100</balance>

      </sound>

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

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

    </PSG>

    <RTC id="Real time clock">

      <sramname>ExpertTurbo.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>

    <ResetStatusRegister id="Reset Status register">

      <inverted>true</inverted>

      <io base="0xB7" num="1"/>

    </ResetStatusRegister>

    <CielTurbo id="CielTurbo">

      <io base="0xB6" num="1"/>

    </CielTurbo>

    <primary slot="0">

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

        <rom> <!-- From original EPROM dump -->

          <filename>2+FM cks-B414h.ROM</filename>

          <sha1>c5bfa85f7315fb11928b27a721a908c93b7d3fbf</sha1>

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

        </rom>

        <rom>

          <filename>ExpertTurbo_basic-bios2p.rom</filename>

          <sha1>5029cf47031b22bd5d1f68ebfd3be6d6da56dfe9</sha1>

        </rom>

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

      </ROM>

    </primary>

    <primary slot="1">

      <secondary external="true" slot="0"/>

      <secondary slot="1">

        <ROM id="MSX Sub ROM">

          <rom> <!-- From original EPROM dump -->

            <filename>2+FM cks-B414h.ROM</filename>

            <sha1>c5bfa85f7315fb11928b27a721a908c93b7d3fbf</sha1>

            <window base="0x0000" size="0x4000"/>

          </rom>

          <rom>

            <filename>ExpertTurbo_msx2psub.rom</filename>

            <sha1>cc1744c6c513d6409a142b4fb42fbe70a95d9b7f</sha1>

          </rom>

          <mem base="0x0000" size="0x4000"/>

        </ROM>

        <MSX-MUSIC id="MSX Music">

          <rom> <!-- From original EPROM dump -->

            <filename>2+FM cks-B414h.ROM</filename>

            <sha1>c5bfa85f7315fb11928b27a721a908c93b7d3fbf</sha1>

            <window base="0x4000" size="0x4000"/>

          </rom>

          <rom>

            <filename>ExpertTurbo_fmbasic.rom</filename>

            <sha1>befebc916bfdb5e8057040f0ae82b5517a7750db</sha1>

          </rom>

          <sound>

            <volume>9000</volume>

            <!-- melody channels left, rhythm channels right -->

            <balance channel="1-9">-100</balance>

            <balance channel="10-14">100</balance>

          </sound>

          <ym2413-core>NukeYKT</ym2413-core>

          <io base="0x7C" num="2" type="O"/>

          <mem base="0x4000" size="0x4000"/>

        </MSX-MUSIC>

      </secondary>

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

      <secondary external="true" slot="3"/>

    </primary>

    <primary slot="2">

        <MemoryMapper id="Main RAM">

          <size>1024</size>

          <mem base="0x0000" size="0x10000"/>

        </MemoryMapper>

    </primary>

  </devices>

</msxconfig>