<?xml version="1.0" ?>

<!DOCTYPE msxconfig SYSTEM 'msxconfig2.dtd'>

<msxconfig>

  <info>

    <manufacturer>Sony</manufacturer>

    <code>HB-F900</code>

    <release_year>1986</release_year>

    <description>Japanese desktop MSX2 aimed for professional market, with superimpose and digitize capabilities (not emulated) and 2 disk drives.</description>

    <type>MSX2</type>

    <region>jp</region>

  </info>

  <CassettePort/>

  <devices>

    <Kanji id="Kanji ROM">

      <rom>

        <filename>hb-f900_kanjifont.rom</filename>

        <sha1>6acaf2eeb57f65f7408235d5e07b7563229de799</sha1>

      </rom>

      <io base="0xD8" num="2" type="O"/>

      <io base="0xD9" num="1" type="I"/>

    </Kanji>

    <PPI id="ppi">

      <sound>

        <volume>16000</volume>

      </sound>

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

      <keyboard_type>jp_ansi</keyboard_type>

      <has_keypad>true</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>128</vram>

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

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

    </VDP>

    <PSG id="PSG">

      <keyboardlayout>50on</keyboardlayout>

      <sound>

        <volume>21000</volume>

      </sound>

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

      <ignorePortDirections>true</ignorePortDirections> <!-- not sure, but guess based on use of Engine IC -->

    </PSG>

    <RTC id="Real time clock">

      <sramname>hb-f900.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>hb-f900_basic-bios2.rom</filename>

          <sha1>0081ea0d25bc5cd8d70b60ad8cfdc7307812c0fd</sha1>

        </rom>

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

      </ROM>

    </primary>

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

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

    <primary slot="3">

      <secondary slot="0">

        <ROM id="MSX Sub ROM">

          <rom>

            <filename>hb-f900_msx2sub.rom</filename>

            <sha1>0fbd45ef3dd7bb82d4c31f1947884f411f1ca344</sha1>

          </rom>

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

        </ROM>

      </secondary>

      <secondary slot="1">

        <MemoryMapper id="Main RAM">

          <size>256</size>

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

        </MemoryMapper>

      </secondary>

      <secondary slot="2">

        <WD2793 id="Memory Mapped FDC">

          <connectionstyle>Sony</connectionstyle>

          <motor_off_timeout_ms>4000</motor_off_timeout_ms>

          <!-- The 2nd released version of this machine uses another disk rom -->

          <drives>2</drives>

          <rom>

            <filename>hb-f900_disk.rom</filename>

            <sha1>fc760d1d7b16370abc7eea39955f230b95b37df6</sha1>

          </rom>

          <mem base="0x4000" size="0x8000"/>

        </WD2793>

      </secondary>

      <secondary slot="3">

        <ROM id="HB-F900 Video Utility 1.10">

          <rom>

            <filename>hb-f900_video-utility.rom</filename>

            <sha1>558b7383544542cf7333700ff90c3efbf93ba2a3</sha1>

          </rom>

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

        </ROM>

      </secondary>

    </primary>

  </devices>

</msxconfig>