<?xml version="1.0" ?>

<!DOCTYPE msxconfig SYSTEM 'msxconfig2.dtd'>

<msxconfig>

  <info>

    <manufacturer>Yamaha</manufacturer>

    <code>YIS-503II</code>

    <release_year>1985</release_year>

    <desciption>Like CX5MII, but without SFG module.</desciption>

    <type>MSX</type>

    <region>jp</region>

  </info>

  <!--

      Based on machine of Peter Hanraets, with serial nr. 001791.

      Case wasn't opened.

      V9938 VDP

      Z80 scf: 01E529ED01F429FC (dunno)

      Z80 cpl: 3AFF12D7 (standard)

      Z80 out (c),0: 0 (MSX)

      PSG pin 6/7 quirk: C (YES)

      PSGMask: YM2149 like

      -->

  <CassettePort/>

  <devices>

    <PPI id="ppi">

      <sound>

        <volume>16000</volume>

      </sound>

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

      <keyboard_type>jp_ansi</keyboard_type>

      <has_keypad>false</has_keypad>

      <key_ghosting_sgc_protected>false</key_ghosting_sgc_protected>

      <code_kana_locks>true</code_kana_locks>

    </PPI>

    <VDP id="VDP">

      <version>V9938</version>

      <vram>16</vram>

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

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

    </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 -->

    </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>yis503ii_basic_bios1.rom</filename>

          <sha1>4d0c37ad722366ac7aa3d64291c3db72884deb2d</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"/> <!-- not connected -->

      <secondary slot="1"/> <!-- not connected (normally mini slot, but the hatch cannot be opened in this model) -->

      <secondary slot="2">

        <RAM id="Main RAM">

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

          <initialContent encoding="gz-base64">eJz7z/B/QOEAW/8fAASAf4E=</initialContent> <!-- 64x FF00, 64x 00FF, etc. In the RAM dump, the first byte of each 256 byte group seems to be random, but that's not emulated. -->

        </RAM>

      </secondary>

      <secondary slot="3"/> <!-- module slot -->

    </primary>

  </devices>

</msxconfig>