<?xml version="1.0" ?>

<!DOCTYPE msxconfig SYSTEM 'msxconfig2.dtd'>

<msxconfig>

  <info>

    <manufacturer>Sony</manufacturer>

    <code>HB-10P</code>

    <release_year>1986</release_year>

    <description>Basic European MSX1 with 64kB. Has a weird memory mirroring glitch.</description>

    <type>MSX</type>

    <region>eu</region>

  </info>

<!-- hap:

CPU: NEC D780C-1

PPI/PSG: Yamaha S3527 - ANSI

VDP: Toshiba T6950

crystal: 3.579545 and 22.168 near the VDP (PAL = 22.168/5=4.4336).. not synced

-->

  <CassettePort/>

  <devices>

    <PPI id="ppi">

      <sound>

        <volume>16000</volume>

      </sound>

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

      <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>T6950PAL</version>

      <io base="0x98" num="8"/>  <!-- mirroring confirmed by hap -->

      <initialContent encoding="hex">FF00</initialContent>

    </VDP>

    <PSG id="PSG">

      <type>YM2149</type> <!-- not checked -->

      <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>

    <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>hb-10p_basic-bios1.rom</filename>

          <sha1>5e7c8eab238712d1e18b0219c0f4d4dae180420d</sha1>

        </rom>

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

      </ROM>

      <!-- NOTE: page 3 actually mirrors page 3 of the RAM in slot 3!

           This also happens in older versions of the Sony HB-20P. -->

      <Mirror id="Main RAM mirror">

        <mem base="0xc000" size="0x4000"/>

        <ps>3</ps>

      </Mirror>

    </primary>

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

    <primary external="true" slot="2"/>

    <primary slot="3">

      <RAM id="Main RAM">

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

      </RAM>

    </primary>

  </devices>

</msxconfig>