<?xml version="1.0" ?>

<!DOCTYPE msxconfig SYSTEM 'msxconfig2.dtd'>

<msxconfig>

  <info>

    <manufacturer>Hitachi</manufacturer>

    <code>MB-H70</code>

    <release_year>1985</release_year>

    <description>Luxurious and expandable MSX2, with 2 disk drives. Based on Mitsubishi ML-G30 model 2.</description>

    <type>MSX2</type>

    <region>jp</region>

  </info>

  <!-- Info taken by Peter Hanraets of his machine with serial number 151417.

  Photo on MSX.org shows:

  - NEC D780C-1 CPU

  The ROM (in the disk ROM area) contains this text:

	  This bios program is coded by T.Osada

	  This hardwear is developed by M.Ishikura

	  This casing is designed by N.Miyazaki

	  ML-G30EX is designed by S.TSUKAGOSI,H.TOKITA,H.TAKEI

	  Consumer's electric product development section

	  GUNMA Works , MITSHUBISHI ELECTLIC SOCIO TECH

  -->

  <MapperReadBackBits>largest</MapperReadBackBits>

  <CassettePort/>

  <devices>

    <Kanji id="Kanji ROM">

      <rom>

        <filename>mb-h70_kanjifont.rom</filename>

        <sha1>db03211b7db46899df41db2b1dfbec972109a967</sha1>

      </rom>

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

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

    </Kanji>

    <PPI id="ppi">

      <io base="0xA8" num="8"/> <!-- S-3527 mirrors -->

      <sound>

        <volume>16000</volume>

      </sound>

      <keyboard_type>jp_jis</keyboard_type>

      <has_keypad>true</has_keypad>

      <key_ghosting_sgc_protected>true</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="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 -->

      <keyboardlayout>JIS</keyboardlayout>

      <sound>

        <volume>21000</volume>

      </sound>

      <io base="0xA0" num="8" type="IO"/> <!-- S-3527 mirrors -->

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

    </PSG>

    <RTC id="Real time clock">

      <sramname>mb-h70.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="8" type="IO"/> <!-- S-3527 mirrors -->

      <status_readable_on_all_ports>true</status_readable_on_all_ports> <!-- S-3527 property -->

    </PrinterPort>

    <primary slot="0">

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

        <rom>

          <filename>mb-h70_basic-bios2.rom</filename>

          <sha1>a8ccbe66c05d5a8f68e1163a88e07f2d82bf241b</sha1>

        </rom>

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

      </ROM>

    </primary>

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

    <primary external="true" slot="2"/> <!-- Back slot 1, behind plate -->

    <primary slot="3">

      <secondary slot="0">

        <ROM id="MSX Sub ROM">

          <rom>

            <filename>mb-h70_msx2sub.rom</filename>

            <sha1>0fbd45ef3dd7bb82d4c31f1947884f411f1ca344</sha1>

          </rom>

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

        </ROM>

        <WD2793 id="Memory Mapped FDC">

          <connectionstyle>Philips</connectionstyle>

          <drives>2</drives>

          <rom>

            <sha1>6608250065bfb43b309147a81711b77cb3067a02</sha1>

            <filename>mb-h70_disk.rom</filename>

          </rom>

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

        </WD2793>

      </secondary>

      <secondary external="true" slot="1"/> <!-- Back slot 2, behind plate -->

      <secondary slot="2">

        <MemoryMapper id="Main RAM">

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

          <initialContent encoding="hex">0000FFFFFFFF0000</initialContent>

          <size>128</size>

        </MemoryMapper>

      </secondary>

      <secondary external="true" slot="3"/> <!-- Back slot 3, behind plate -->

    </primary>

  </devices>

</msxconfig>