<?xml version="1.0" ?>

<!DOCTYPE msxconfig SYSTEM 'msxconfig2.dtd'>

<msxconfig>

  <info>

    <manufacturer>JVC</manufacturer>

    <code>HC-7GB</code>

    <release_year>1985</release_year>

    <description>JVC's 64kB MSX1 for the UK market, supporting RGB output.</description>

    <type>MSX</type>

    <region>uk</region>

  </info>

  <!--

    As per: https://www.msx.org/wiki/images/d/dd/JVC_HC-7GB_PCB.jpg

    CPU: SHARP LH0080A Z80-A-CPU-D

    PPI: Mitsubishi M5L8255AP-5

    PSG: GI AY-3-8910A

    VDP: hidden under heat sink :(

    ROM was taken from machine with serial 06012722

  -->

  <CassettePort/>

  <devices>

    <PPI id="ppi">

      <sound>

        <volume>16000</volume>

      </sound>

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

      <keyboard_type>gb</keyboard_type>

      <has_keypad>false</has_keypad>

      <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>TMS9929A</version>

      <saturation>100</saturation> <!-- TMS9x2x and RGB output -->

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

    </VDP>

    <PSG id="PSG">

      <type>AY8910</type>

      <sound>

        <volume>21000</volume>

      </sound>

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

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

    </PSG>

    <PrinterPort id="Printer Port">

      <io base="0x90" num="2"/>

    </PrinterPort>

    <primary slot="0">

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

        <rom>

          <filename>hc-7gb_basic-bios1.rom</filename>

          <sha1>8963fc041975f31dc2ab1019cfdd4967999de53e</sha1>

        </rom>

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

      </ROM>

    </primary>

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

    <primary slot="2">

      <RAM id="Main RAM">

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

      </RAM>

    </primary>

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

  </devices>

</msxconfig>