<?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:
    <parameter name="filename">hb-f900_disk2.rom</parameter>
    -->
          <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>
