<?xml version="1.0" ?>
<!DOCTYPE msxconfig SYSTEM 'msxconfig2.dtd'>
<msxconfig>

  <info>
    <manufacturer>Yamaha</manufacturer>
    <code>AX150</code>
    <release_year>?</release_year>
    <description/>
    <type>MSX</type>
  </info>

<!--
Information obtained from Yamaha/Sakhr AX-150 with S/N: 011501
Motherboard ID: GCMK-77X YAMAHA XB155[B]
Contains:
- S3527 MSX-ENGINE (not seen, it's on the back side)
- Zilog Z8400APS Z80 CPU - 8509 (or 8609)
- YAMAHA YM2220 VDP 63 17 69 A
- On the ROM chip marked with "BASIC" on the PCB, there is no sticker. It's a Yamaha YM2301-23976 // 64 24 75 A
- On the ROM chip marked with "SUB" on the PCB, there is a code "XB329 A 0"
- The "Arabic" ROM in "SUB" is version 1.01

From the AX-150 with S/N 016381 we see:
Motherboard ID: GCMK-77X YAMAHA XB155[B]
- S3527 MSX-ENGINE (3527B 690770H)
- Zilog Z8400APS Z80 CPU - 8627
- YAMAHA YM2220 VDP 68 08 74 A
- On the ROM chip marked with "BASIC" on the PCB, there is a code "XC276 A 0"
- On the ROM chip marked with "SUB" on the PCB, there is a code "XB329 B 0"
- The "Arabic" ROM in "SUB" is version 1.02
-->

  <CassettePort/>

  <devices>

    <PPI id="ppi">
      <sound>
        <volume>16000</volume>
      </sound>
      <io base="0xA8" num="4"/>
      <keyboard_type>int</keyboard_type> <!-- Should be Arabic? -->
      <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>YM2220PAL</version>
      <io base="0x98" num="8"/> <!-- S-3527 mirrors -->
    </VDP>

    <PSG id="PSG">
      <type>YM2149</type> <!-- in S-3527 MSX-ENGINE -->
      <sound>
        <volume>21000</volume>
      </sound>
      <io base="0xA0" num="2" type="O"/>
      <io base="0xA2" num="1" type="I"/>
      <ignorePortDirections>true</ignorePortDirections>  <!-- not confirmed but based on S-3527 -->
    </PSG>

    <PrinterPort id="Printer Port">
      <io base="0x90" num="2"/>
    </PrinterPort>

    <primary slot="0">
      <secondary slot="0">
        <ROM id="MSX BIOS with BASIC ROM">
          <rom>
            <filename>ax-150_basic-bios.rom</filename>
            <sha1>afd6b92cc7c4b7aea960f6c15cde38381ad357b9</sha1> <!-- XC276 A 0 -->
            <sha1>079c018739c37485f3d64ef2145a0267fce6e20e</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>
      </secondary>

      <secondary slot="1">
        <ROM id="Arabic ROM">
          <rom>
            <filename>ax-150_arabic.rom</filename>
            <sha1>786091b8744e78b9201e302f798469c8ace2ab95</sha1> <!-- version 1.02, XB329 B 0 -->
            <sha1>0cbc9b73e052e6ea25becf57c839f173f2bc01b3</sha1> <!-- version 1.01, XB329 A 0 -->
          </rom>
          <mem base="0x4000" size="0x8000"/>
        </ROM>
      </secondary>

      <secondary slot="2">
        <RAM id="Lower RAM">
          <mem base="0x0000" size="0x8000"/>
          <initialContent encoding="gz-base64">eJxjYBhY8H+AAQAioH+B</initialContent> <!-- ((chr(0) * 128) + (chr(255) * 128)) -->
        </RAM>
      </secondary>
    </primary>

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

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

  </devices>

</msxconfig>
