<?xml version="1.0" ?>

<!DOCTYPE msxconfig SYSTEM 'msxconfig2.dtd'>

<msxconfig>

  <info>

    <manufacturer>Philips</manufacturer>

    <code>VG 8020/20</code>

    <release_year>?</release_year>

    <description>Second version of the Philips VG 8020, a basic 64kB MSX1. This version as a different memory layout, making use of S3527 VLSI chip.</description>

    <type>MSX</type>

    <region>eu</region>

  </info>

<!---

Note sure if we can compare, but the Philips VG8020/40 with

serial JM00 745032706 (see http://bilgisayarlarim.com/Philips/VG-8020)

contains:

- S3527 MSX-ENGINE

- Zilog Z0840004PSC Z80 CPU

- TMS9129NL VDP

-->

  <CassettePort/>

  <devices>

    <PPI id="ppi">

      <sound>

        <volume>16000</volume>

      </sound>

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

      <keyboard_type>int</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>TMS9129</version>

      <io base="0x98" num="8"/> <!-- S-3527 mirrors -->

      <saturationPr>75</saturationPr>

      <saturationPb>50</saturationPb>

    </VDP>

    <PSG id="PSG">

      <type>YM2149</type> <!-- in S-3527 MSX-ENGINE -->

      <sound>

        <volume>21000</volume>

      </sound>

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

      <ignorePortDirections>true</ignorePortDirections> <!-- Confirmed by p_gimeno on a VG 8020/40 -->

    </PSG>

    <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>vg8020-20_basic-bios1.rom</filename>

          <sha1>e998f0c441f4f1800ef44e42cd1659150206cf79</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"/>

      <secondary slot="1"/>

      <secondary slot="2">

        <RAM id="Main RAM">

          <initialContent encoding="hex">00FF</initialContent> <!-- At least on thegeps his machine -->

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

        </RAM>

      </secondary>

      <secondary slot="3"/>

    </primary>

  </devices>

</msxconfig>