<?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>
