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

  <info>
    <manufacturer>Sony</manufacturer>
    <code>HB-75</code>
    <release_year>1984</release_year>
    <description>Basic Japanese MSX1 with 64kB RAM and built in Personal Databank software.</description>
    <description/>
    <type>MSX</type>
    <region>jp</region>
  </info>

<!-- 
Information from serial 204812 kindly provided by Peter Hanraets:
    ident.bas:
    4/16k effect: YES (TMS99xx)
    address latch: NO (TMS9xxx)
    sprite clones (?): YES (TMS9xxx)
    mirrored mode: YES
    mixed mode: YES
    Z80 scf: 01E539ED01FC29FC (dunno)
    Z80 cpl: 3AF12D7 (standard)
    Z80 out (c),0: 0 (MSX)
    PSG pin 6/7 quirk: C (YES)
    PSGmask: YM2149 like

    No RGB output, unlike e.g. HB-75P!
    No MSX-ENGINE (based on HB-75P, not verified!)
-->

  <CassettePort/>

  <devices>

    <PPI id="ppi">
      <sound>
        <volume>16000</volume>
      </sound>
      <io base="0xA8" num="4"/>
      <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>
      <graph_locks>false</graph_locks>
    </PPI>

    <VDP id="VDP">
      <version>TMS9918A</version>
      <io base="0x98" num="2"/>
    </VDP>

    <PSG id="PSG">
      <type>YM2149</type>
      <keyboardlayout>50on</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>hb-75_basic-bios1.rom</filename>
          <sha1>302afb5d8be26c758309ca3df611ae69cced2821</sha1>
        </rom>
        <mem base="0x0000" size="0x8000"/>
      </ROM>
      <ROM id="Personal Data Bank">
        <rom>
          <filename>hb-75_firmware.rom</filename>
          <sha1>5f26319aec3354a94e2a98e07b2c70046bc45417</sha1>
        </rom>
        <mem base="0x8000" size="0x4000"/>
      </ROM>
    </primary>

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

    <primary slot="2">
      <RAM id="Main RAM">
        <initialContent encoding="gz-base64">eJz7////fwYg+D9A9EDaDaIBBIB/gQ==</initialContent> <!-- a = chr(255)*4; b = chr(0)*4; l1 = a+b+a+b; l2 = b+a+b+a; pattern = 8*l1 + 8*l2 -->
        <mem base="0x0000" size="0x10000"/>
      </RAM>
    </primary>

    <primary external="true" slot="3"/> <!-- This is actually only a non-standard expansion connector on the back -->

  </devices>

</msxconfig>
