<?xml version="1.0" ?>

<!DOCTYPE msxconfig SYSTEM 'msxconfig2.dtd'>

<msxconfig>

  <info>

    <manufacturer>General</manufacturer>

    <code>Paxon PCT-55</code>

    <release_year>1984</release_year>

    <description>An MSX inside a TV with a separate keyboard.</description>

    <type>MSX</type>

    <region>jp</region>

  </info>

  <!-- Based on machine owned by Peter Hanraets, which serial 0003052

       TODO: ident.bas output... 

       Z80 scf: 

       Z80 cpl:

       Z80 out (c),0:

       PSG pin 6/7 quirk:

       PSGmask:

       mobo of popolon_ https://www.msx.org/forum/msx-talk/hardware/paxon-pct-55-repair-attempt?page=0 shows:

       PSG: GI AY-3-8910

       CPU: NEC D780C-1

       VDP: TMS9928ANL

       PPI: NEC D8255AC-5

       custom IC: GENERAL HD61J209F (for slot signals, RAS, BDIR, Paraplle port)

       Toshiba TMM23256AP ROM

       RAM: TMS4416-15NL

       printer port

       1 normal slot

       TODO: SWIOSCAN

  -->

  <CassettePort/>

  <devices>

    <PPI id="ppi">

      <sound>

        <volume>16000</volume>

      </sound>

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

      <keyboard_type>jp_jis</keyboard_type>

      <has_keypad>false</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>TMS9928A</version>

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

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

    </VDP>

    <PSG id="PSG">

      <type>AY8910</type>

      <keyboardlayout>jis</keyboardlayout>

      <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>pct-55_basic-bios1.rom</filename>

          <sha1>302afb5d8be26c758309ca3df611ae69cced2821</sha1>

        </rom>

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

      </ROM>

      <RAM id="Main RAM">

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

          <initialContent encoding="gz-base64">eJxjYBhY8H+AAQAioH+B</initialContent> <!-- ((chr(0) * 128) + (chr(255) * 128)) -->

      </RAM>

    </primary>

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

  </devices>

</msxconfig>