[yamato] Yamato

jman · Post by **jman** » Tue Nov 30, 2021 10:40 am

<cheat desc="no hit">
    <script state="on">
        <action>maincpu.ob@2b8d = c9</action>
    </script>
    <script state="off">
        <action>maincpu.ob@2b8d = af</action>
    </script>
</cheat>

<cheat desc="auto fire - vulcan">
    <script state="on">
        <action>maincpu.ob@4b7f = 00</action>
    </script>
    <script state="off">
        <action>maincpu.ob@4b7f = c0</action>
    </script>
</cheat>

<cheat desc="player speed">
    <parameter min="0x01" max="0x05" step="0x01" />
    <script state="on">
        <action>maincpu.mw@492d =             5f60</action>
        <action>maincpu.oq@5f60 = 10c1ffffcdc5ff06</action>
        <action>maincpu.mq@5f60 = ff7f2a38ff7f007f</action>
        <action>maincpu.oq@5f68 = ffffffffffffc9ff</action>
        <action>maincpu.mq@5f68 = ff7fff7fff7ffff9</action>
        <!--
        5f60 | 06 xx    : ld   b,$xx
        5f62 | c5       : push bc
        5f63 | cd 38 2a : call $2a38
        5f66 | c1       : pop  bc
        5f67 | 10 f9    : djnz $5f62
        5f69 | c9       : ret
        -->
    </script>
    <script state="change">
        <action>maincpu.mb@5f61 = param</action>
    </script>
    <script state="off">
        <action>maincpu.mw@492d =             2a38</action>
        <action>maincpu.oq@5f60 = ffffffffffffffff</action>
        <action>maincpu.mq@5f60 = ff7fff7fff7fff7f</action>
        <action>maincpu.oq@5f68 = ffffffffffffffff</action>
        <action>maincpu.mq@5f68 = ff7fff7fff7fff7f</action>
    </script>
</cheat>

<cheat desc="fast vulcan">
    <script state="on">
        <action>maincpu.ob@4b6a = c3</action>
    </script>
    <script state="off">
        <action>maincpu.ob@4b6a = ca</action>
    </script>
</cheat>

<cheat desc="no delay cannon">
    <script state="on">
        <action>maincpu.ob@17e1 = c3</action>
    </script>
    <script state="off">
        <action>maincpu.ob@17e1 = ca</action>
    </script>
</cheat>

jman · Post by **jman** » Sat Oct 21, 2023 11:08 pm

yamato.xml

Code: Select all

<!-- Yamato (US) -->
<mamecheat version="1">

    <cheat desc="no hit">
        <script state="on">
            <action>maincpu.ob@2B8D = C9</action>
        </script>
        <script state="off">
            <action>maincpu.ob@2B8D = AF</action>
        </script>
    </cheat>

    <cheat desc="auto fire">
        <script state="on">
            <action>maincpu.ob@1834 = 00</action> <!-- cannon -->
            <action>maincpu.ob@4B7F = 00</action> <!-- vulcan -->
        </script>
        <script state="off">
            <action>maincpu.ob@1834 = C0</action>
            <action>maincpu.ob@4B7F = C0</action>
        </script>
    </cheat>

    <cheat desc="player speed">
        <parameter min="0x01" max="0x05" step="0x01" />
        <script state="on">
            <action>maincpu.mw@492D = 7A90            </action>
            <action>maincpu.oq@7A90 = 10C1FFFFCDC5FF06</action>
            <action>maincpu.mq@7A90 = FFFF2A38FFFF007F</action>
            <action>maincpu.oq@7A98 = FFFFFFFFFFFFC9FF</action>
            <action>maincpu.mq@7A98 = FFFFFFFFFFFFFFF9</action>
            <!--
            7A90 | 06 xx    : ld   b,$xx
            7A92 | C5       : push bc
            7A93 | CD 38 2A : call $2A38
            7A96 | C1       : pop  bc
            7A97 | 10 F9    : djnz $7A92
            7A99 | C9       : ret
            -->
        </script>
        <script state="change">
            <action>maincpu.mb@7A91 = param</action>
        </script>
        <script state="off">
            <action>maincpu.mw@492D = 2A38            </action>
            <action>maincpu.oq@7A90 = 08A808A808A80801</action>
            <action>maincpu.mq@7A90 = 0000000000000000</action>
            <action>maincpu.oq@7A98 = 08A808A808A808A8</action>
            <action>maincpu.mq@7A98 = 0000000000000000</action>

        </script>
    </cheat>

    <cheat desc="fast vulcan">
        <script state="on">
            <action>maincpu.ob@4B6A = C3</action>
        </script>
        <script state="off">
            <action>maincpu.ob@4B6A = CA</action>
        </script>
    </cheat>

    <cheat desc="no delay cannon">
        <script state="on">
            <action>maincpu.ob@17E1 = C3</action>
        </script>
        <script state="off">
            <action>maincpu.ob@17E1 = CA</action>
        </script>
    </cheat>

    <cheat desc="sound test mode (test)">
        <!-- you can't stop 0x01 - 0x08 sounds by sound stop button -->
        <comment>reset the game (F3) to enter sound test mode</comment>
        <script state="on">
            <action>maincpu.ob@00B1 = C9              </action> <!-- disable credit display -->
            <action>maincpu.mw@0A5B = 7AA0            </action>
            <action>maincpu.oq@7AA0 = 47B8FFFF3AFFFF21</action>
            <action>maincpu.mq@7AA0 = FFFFA000FF6000FF</action>
            <action>maincpu.oq@7AA8 = FE35FF20FFFEFF28</action>
            <action>maincpu.mq@7AA8 = FFFF01FF40FFF6FF</action>
            <action>maincpu.oq@7AB0 = FF20FFFE34FF20FF</action>
            <action>maincpu.mq@7AB0 = 04FF20FFFF01FF80</action>
            <action>maincpu.oq@7AB8 = FF20FFFEFF18FF3E</action>
            <action>maincpu.mq@7AB8 = 05FF10FF06FFF0FF</action>
            <action>maincpu.oq@7AC0 = 20FFFE787786FF3E</action>
            <action>maincpu.mq@7AC0 = FF04FFFFFFFF10FF</action>
            <action>maincpu.oq@7AC8 = FF20FFFEFF187EFF</action>
            <action>maincpu.mq@7AC8 = 04FF08FF05FFFF03</action>
            <action>maincpu.oq@7AD0 = 2187FF18FFFFCDAF</action>
            <action>maincpu.mq@7AD0 = FFFFCAFF7AD6FFFF</action>
            <action>maincpu.oq@7AD8 = 7E6F24FF3085FFFF</action>
            <action>maincpu.mq@7AD8 = FFFFFF01FFFF7AE7</action>
            <action>maincpu.oq@7AE0 = FFC9FFD37E23FFD3</action>
            <action>maincpu.mq@7AE0 = 00FF01FFFFFF00FF</action>
            <action>maincpu.oq@7AE8 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7AE8 = 0800040002000100</action>
            <action>maincpu.oq@7AF0 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7AF0 = 8000400020001000</action>
            <action>maincpu.oq@7AF8 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7AF8 = 0004000200010000</action>
            <action>maincpu.oq@7B00 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7B00 = 0040002000100008</action>
            <action>maincpu.oq@7B08 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7B08 = 0000000000000080</action>
            <!--
            7AA0 | 21 00 60 : ld   hl,$6000  // sound code address
            7AA3 | 3A 00 A0 : ld   a,($A000) // read input
            7AA6 | B8       : cp   b
            7AA7 | 47       : ld   b,a
            7AA8 | 28 F6    : jr   z,$7AA0
            7AAA | FE 40    : cp   $40
            7AAC | 20 01    : jr   nz,$7AAF
            7AAE | 35       : dec  (hl)      // decrease code -01
            7AAF | FE 80    : cp   $80
            7AB1 | 20 01    : jr   nz,$7AB4
            7AB3 | 34       : inc  (hl)      // increase code +01
            7AB4 | FE 20    : cp   $20
            7AB6 | 20 04    : jr   nz,$7ABC
            7AB8 | 3E F0    : ld   a,$F0     // decrease code -10
            7ABA | 18 06    : jr   $7AC2
            7ABC | FE 10    : cp   $10
            7ABE | 20 05    : jr   nz,$7AC5
            7AC0 | 3E 10    : ld   a,$10     // increase code +10
            7AC2 | 86       : add  a,(hl)
            7AC3 | 77       : ld   (hl),a
            7AC4 | 78       : ld   a,b
            7AC5 | FE 04    : cp   $04
            7AC7 | 20 03    : jr   nz,$7ACC
            7AC9 | 7E       : ld   a,(hl)    // play sound
            7ACA | 18 05    : jr   $7AD1
            7ACC | FE 08    : cp   $08
            7ACE | 20 04    : jr   nz,$7AD4
            7AD0 | AF       : xor  a         // stop sound
            7AD1 | CD D6 7A : call $7AD6     // call sound code conversion routine
            7AD4 | 18 CA    : jr   $7AA0
            7AD6 | 87       : add  a,a       // sound code conversion routine
            7AD7 | 21 E7 7A : ld   hl,$7AE7
            7ADA | 85       : add  a,l
            7ADB | 30 01    : jr   nc,$7ADE
            7ADD | 24       : inc  h
            7ADE | 6F       : ld   l,a
            7ADF | 7E       : ld   a,(hl)
            7AE0 | D3 00    : out  ($00),a
            7AE2 | 23       : inc  hl
            7AE3 | 7E       : ld   a,(hl)
            7AE4 | D3 01    : out  ($01),a
            7AE6 | C9       : ret
            7AE7 - 7B08     : sound code conversion table
             code  $00  $01
              00    00   00   stop $01 sounds (not $00)
              01    01   00   sfx
              02    02   00   (none?)
              03    04   00   sfx
              04    08   00   sfx
              05    10   00   (none?)
              06    20   00   sfx
              07    40   00   (none?)
              08    80   00   (none?)
              09    00   01   main theme
              0a    00   02   (none?)
              0b    00   04   sfx
              0c    00   08   sfx
              0d    00   10   (none?)
              0e    00   20   (none?)
              0f    00   40   (none?)
              10    00   80   (none?)
            -->
        </script>
        <script state="run">
            <output format="----- yamato sound test mode -----" line="10" align="center" />
            <output format="left : decrease code -01"           line="11" align="center" />
            <output format="right : increase code +01"          line="12" align="center" />
            <output format="down : decrease code -10"           line="13" align="center" />
            <output format="up : increase code +10"             line="14" align="center" />
            <output format="button 1 : play sound"              line="15" align="center" />
            <output format="button 2 : stop sound"              line="16" align="center" />
            <output format="----------------------------"       line="17" align="center" />
            <output format="&lt;&lt; sound code %2.2X &gt;&gt;" line="19" align="center"  >
                <argument>maincpu.pb@6000</argument>
            </output>
        </script>
        <script state="off">
            <action>maincpu.ob@00B1 = C8              </action>
            <action>maincpu.oq@7AA0 = 8008800880088008</action>
            <action>maincpu.mq@7AA0 = 0000000000000000</action>
            <action>maincpu.oq@7AA8 = 8008800880088008</action>
            <action>maincpu.mq@7AA8 = 0000000000000000</action>
            <action>maincpu.oq@7AB0 = 08A808A808A808A8</action>
            <action>maincpu.mq@7AB0 = 0000000000000000</action>
            <action>maincpu.oq@7AB8 = 08A808A808A808A8</action>
            <action>maincpu.mq@7AB8 = 0000000000000000</action>
            <action>maincpu.oq@7AC0 = 8008800880088008</action>
            <action>maincpu.mq@7AC0 = 0000000000000000</action>
            <action>maincpu.oq@7AC8 = 8008800880088008</action>
            <action>maincpu.mq@7AC8 = 0000000000000000</action>
            <action>maincpu.oq@7AD0 = 08A808A808A808A8</action>
            <action>maincpu.mq@7AD0 = 0000000000000000</action>
            <action>maincpu.oq@7AD8 = 08A808A808A808A8</action>
            <action>maincpu.mq@7AD8 = 0000000000000000</action>
            <action>maincpu.oq@7AE0 = 8008800880088008</action>
            <action>maincpu.mq@7AE0 = 0000000000000000</action>
            <action>maincpu.oq@7AE8 = 8008800880088008</action>
            <action>maincpu.mq@7AE8 = 0000000000000000</action>
            <action>maincpu.oq@7AF0 = 08A808A808A808A8</action>
            <action>maincpu.mq@7AF0 = 0000000000000000</action>
            <action>maincpu.oq@7AF8 = 08A808A808A808A8</action>
            <action>maincpu.mq@7AF8 = 0000000000000000</action>
            <action>maincpu.oq@7B00 = 0008000800080008</action>
            <action>maincpu.mq@7B00 = 0000000000000000</action>
            <action>maincpu.oq@7B08 = 0008000800080008</action>
            <action>maincpu.mq@7B08 = 0000000000000000</action>
        </script>
    </cheat>

</mamecheat>

yamato2.xml

Code: Select all

<!-- Yamato (World?) -->
<mamecheat version="1">

    <cheat desc="no hit">
        <script state="on">
            <action>maincpu.ob@2A36 = C9</action>
        </script>
        <script state="off">
            <action>maincpu.ob@2A36 = AF</action>
        </script>
    </cheat>

    <cheat desc="auto fire">
        <script state="on">
            <action>maincpu.ob@16E7 = 00</action> <!-- cannon -->
            <action>maincpu.ob@4A1D = 00</action> <!-- vulcan -->
        </script>
        <script state="off">
            <action>maincpu.ob@16E7 = C0</action>
            <action>maincpu.ob@4A1D = C0</action>
        </script>
    </cheat>

    <cheat desc="player speed">
        <parameter min="0x01" max="0x05" step="0x01" />
        <script state="on">
            <action>maincpu.mw@47CB = 7A90            </action>
            <action>maincpu.oq@7A90 = 10C1FFFFCDC5FF06</action>
            <action>maincpu.mq@7A90 = FFFF28E1FFFF007F</action>
            <action>maincpu.oq@7A98 = FFFFFFFFFFFFC9FF</action>
            <action>maincpu.mq@7A98 = FFFFFFFFFFFFFFF9</action>
            <!--
            7A90 | 06 xx    : ld   b,$xx
            7A92 | C5       : push bc
            7A93 | CD E1 28 : call $28E1
            7A96 | C1       : pop  bc
            7A97 | 10 F9    : djnz $7A92
            7A99 | C9       : ret
            -->
        </script>
        <script state="change">
            <action>maincpu.mb@7A91 = param</action>
        </script>
        <script state="off">
            <action>maincpu.mw@47CB = 28E1            </action>
            <action>maincpu.oq@7A90 = 28A028A028A028A0</action>
            <action>maincpu.mq@7A90 = 2020202020202020</action>
            <action>maincpu.oq@7A98 = 28A028A028A028A0</action>
            <action>maincpu.mq@7A98 = 2020202020202020</action>
        </script>
    </cheat>

    <cheat desc="fast vulcan">
        <script state="on">
            <action>maincpu.ob@4A08 = C3</action>
        </script>
        <script state="off">
            <action>maincpu.ob@4A08 = CA</action>
        </script>
    </cheat>

    <cheat desc="no delay cannon">
        <script state="on">
            <action>maincpu.ob@1694 = C3</action>
        </script>
        <script state="off">
            <action>maincpu.ob@1694 = CA</action>
        </script>
    </cheat>

    <cheat desc="sound test mode (test)">
        <!-- you can't stop 0x01 - 0x08 sounds by sound stop button -->
        <comment>reset the game (F3) to enter sound test mode</comment>
        <script state="on">
            <action>maincpu.ob@00B1 = C9              </action> <!-- disable credit display -->
            <action>maincpu.mw@090E = 7AA0            </action>
            <action>maincpu.oq@7AA0 = 47B8FFFF3AFFFF21</action>
            <action>maincpu.mq@7AA0 = FFFFA000FF6000FF</action>
            <action>maincpu.oq@7AA8 = FE35FF20FFFEFF28</action>
            <action>maincpu.mq@7AA8 = FFFF01FF40FFF6FF</action>
            <action>maincpu.oq@7AB0 = FF20FFFE34FF20FF</action>
            <action>maincpu.mq@7AB0 = 04FF20FFFF01FF80</action>
            <action>maincpu.oq@7AB8 = FF20FFFEFF18FF3E</action>
            <action>maincpu.mq@7AB8 = 05FF10FF06FFF0FF</action>
            <action>maincpu.oq@7AC0 = 20FFFE787786FF3E</action>
            <action>maincpu.mq@7AC0 = FF04FFFFFFFF10FF</action>
            <action>maincpu.oq@7AC8 = FF20FFFEFF187EFF</action>
            <action>maincpu.mq@7AC8 = 04FF08FF05FFFF03</action>
            <action>maincpu.oq@7AD0 = 2187FF18FFFFCDAF</action>
            <action>maincpu.mq@7AD0 = FFFFCAFF7AD6FFFF</action>
            <action>maincpu.oq@7AD8 = 7E6F24FF3085FFFF</action>
            <action>maincpu.mq@7AD8 = FFFFFF01FFFF7AE7</action>
            <action>maincpu.oq@7AE0 = FFC9FFD37E23FFD3</action>
            <action>maincpu.mq@7AE0 = 00FF01FFFFFF00FF</action>
            <action>maincpu.oq@7AE8 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7AE8 = 0800040002000100</action>
            <action>maincpu.oq@7AF0 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7AF0 = 8000400020001000</action>
            <action>maincpu.oq@7AF8 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7AF8 = 0004000200010000</action>
            <action>maincpu.oq@7B00 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7B00 = 0040002000100008</action>
            <action>maincpu.oq@7B08 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7B08 = 0000000000000080</action>
            <!--
            7AA0 | 21 00 60 : ld   hl,$6000  // sound code address
            7AA3 | 3A 00 A0 : ld   a,($A000) // read input
            7AA6 | B8       : cp   b
            7AA7 | 47       : ld   b,a
            7AA8 | 28 F6    : jr   z,$7AA0
            7AAA | FE 40    : cp   $40
            7AAC | 20 01    : jr   nz,$7AAF
            7AAE | 35       : dec  (hl)      // decrease code -01
            7AAF | FE 80    : cp   $80
            7AB1 | 20 01    : jr   nz,$7AB4
            7AB3 | 34       : inc  (hl)      // increase code +01
            7AB4 | FE 20    : cp   $20
            7AB6 | 20 04    : jr   nz,$7ABC
            7AB8 | 3E F0    : ld   a,$F0     // decrease code -10
            7ABA | 18 06    : jr   $7AC2
            7ABC | FE 10    : cp   $10
            7ABE | 20 05    : jr   nz,$7AC5
            7AC0 | 3E 10    : ld   a,$10     // increase code +10
            7AC2 | 86       : add  a,(hl)
            7AC3 | 77       : ld   (hl),a
            7AC4 | 78       : ld   a,b
            7AC5 | FE 04    : cp   $04
            7AC7 | 20 03    : jr   nz,$7ACC
            7AC9 | 7E       : ld   a,(hl)    // play sound
            7ACA | 18 05    : jr   $7AD1
            7ACC | FE 08    : cp   $08
            7ACE | 20 04    : jr   nz,$7AD4
            7AD0 | AF       : xor  a         // stop sound
            7AD1 | CD D6 7A : call $7AD6     // call sound code conversion routine
            7AD4 | 18 CA    : jr   $7AA0
            7AD6 | 87       : add  a,a       // sound code conversion routine
            7AD7 | 21 E7 7A : ld   hl,$7AE7
            7ADA | 85       : add  a,l
            7ADB | 30 01    : jr   nc,$7ADE
            7ADD | 24       : inc  h
            7ADE | 6F       : ld   l,a
            7ADF | 7E       : ld   a,(hl)
            7AE0 | D3 00    : out  ($00),a
            7AE2 | 23       : inc  hl
            7AE3 | 7E       : ld   a,(hl)
            7AE4 | D3 01    : out  ($01),a
            7AE6 | C9       : ret
            7AE7 - 7B08     : sound code conversion table
             code  $00  $01
              00    00   00   stop $01 sounds (not $00)
              01    01   00   sfx
              02    02   00   (none?)
              03    04   00   sfx
              04    08   00   sfx
              05    10   00   (none?)
              06    20   00   sfx
              07    40   00   (none?)
              08    80   00   (none?)
              09    00   01   main theme
              0a    00   02   (none?)
              0b    00   04   sfx
              0c    00   08   sfx
              0d    00   10   (none?)
              0e    00   20   (none?)
              0f    00   40   (none?)
              10    00   80   (none?)
            -->
        </script>
        <script state="run">
            <output format="----- yamato sound test mode -----" line="10" align="center" />
            <output format="left : decrease code -01"           line="11" align="center" />
            <output format="right : increase code +01"          line="12" align="center" />
            <output format="down : decrease code -10"           line="13" align="center" />
            <output format="up : increase code +10"             line="14" align="center" />
            <output format="button 1 : play sound"              line="15" align="center" />
            <output format="button 2 : stop sound"              line="16" align="center" />
            <output format="----------------------------"       line="17" align="center" />
            <output format="&lt;&lt; sound code %2.2X &gt;&gt;" line="19" align="center"  >
                <argument>maincpu.pb@6000</argument>
            </output>
        </script>
        <script state="off">
            <action>maincpu.ob@00B1 = C8              </action>
            <action>maincpu.mw@090E = 2CAE            </action>
            <action>maincpu.oq@7AA0 = 2020202020202020</action>
            <action>maincpu.mq@7AA0 = 2888288828882888</action>
            <action>maincpu.oq@7AA8 = 2020202020202020</action>
            <action>maincpu.mq@7AA8 = 2888288828882888</action>
            <action>maincpu.oq@7AB0 = 28A028A028A028A0</action>
            <action>maincpu.mq@7AB0 = 2020202020202020</action>
            <action>maincpu.oq@7AB8 = 28A028A028A028A0</action>
            <action>maincpu.mq@7AB8 = 2020202020202020</action>
            <action>maincpu.oq@7AC0 = 2020202020202020</action>
            <action>maincpu.mq@7AC0 = 2888288828882888</action>
            <action>maincpu.oq@7AC8 = 2020202020202020</action>
            <action>maincpu.mq@7AC8 = 2888288828882888</action>
            <action>maincpu.oq@7AD0 = 28A028A028A028A0</action>
            <action>maincpu.mq@7AD0 = 2020202020202020</action>
            <action>maincpu.oq@7AD8 = 28A028A028A028A0</action>
            <action>maincpu.mq@7AD8 = 2020202020202020</action>
            <action>maincpu.oq@7AE0 = 2020202020202020</action>
            <action>maincpu.mq@7AE0 = 2888288828882888</action>
            <action>maincpu.oq@7AE8 = 2020202020202020</action>
            <action>maincpu.mq@7AE8 = 2888288828882888</action>
            <action>maincpu.oq@7AF0 = 28A028A028A028A0</action>
            <action>maincpu.mq@7AF0 = 2020202020202020</action>
            <action>maincpu.oq@7AF8 = 28A028A028A028A0</action>
            <action>maincpu.mq@7AF8 = 2020202020202020</action>
            <action>maincpu.oq@7B00 = 8820882088208820</action>
            <action>maincpu.mq@7B00 = 8888888888888888</action>
            <action>maincpu.oq@7B08 = 8820882088208820</action>
            <action>maincpu.mq@7B08 = 8888888888888888</action>
        </script>
    </cheat>

</mamecheat>

"auto fire" : Added code for cannon.
"sound test mode" : Added new as test code. You can't stop sound code 0x01 - 0x08 by sound stop button.

jman · Post by **jman** » Mon Dec 09, 2024 9:44 am

In 0.267, new yamato set was added. Old yamato was renamed to yamatou and yamato2 was renamed to yamatoa.

yamato.xml

Code: Select all

<!-- Yamato (set 1) -->
<mamecheat version="1">

    <cheat desc="no hit">
        <script state="on">
            <action>maincpu.ob@2A36 = C9</action>
        </script>
        <script state="off">
            <action>maincpu.ob@2A36 = AF</action>
        </script>
    </cheat>

    <cheat desc="rapid fire">
        <script state="on">
            <action>maincpu.ob@16E7 = 00</action> <!-- cannon -->
            <action>maincpu.ob@4A1D = 00</action> <!-- vulcan -->
        </script>
        <script state="off">
            <action>maincpu.ob@16E7 = C0</action>
            <action>maincpu.ob@4A1D = C0</action>
        </script>
    </cheat>

    <cheat desc="player speed">
        <parameter min="0x01" max="0x05" step="0x01" />
        <script state="on">
            <action>maincpu.mw@47CB = 7000            </action>
            <action>maincpu.oq@7000 = 10C1FFFFCDC5FF06</action>
            <action>maincpu.mq@7000 = FFFF28E1FFFF007F</action>
            <action>maincpu.oq@7008 = FFFFFFFFFFFFC9FF</action>
            <action>maincpu.mq@7008 = FFFFFFFFFFFFFFF9</action>
            <!--
            7000 | 06 xx    : ld   b,$xx
            7002 | C5       : push bc
            7003 | CD E1 28 : call $28E1
            7006 | C1       : pop  bc
            7007 | 10 F9    : djnz $7002
            7009 | C9       : ret
            -->
        </script>
        <script state="change">
            <action>maincpu.mb@7001 = param</action>
        </script>
        <script state="off">
            <action>maincpu.mw@47CB = 28E1            </action>
            <action>maincpu.oq@7000 = 2020202020202020</action>
            <action>maincpu.mq@7000 = 2888288828882888</action>
            <action>maincpu.oq@7008 = 2020202020202020</action>
            <action>maincpu.mq@7008 = 2888288828882888</action>
        </script>
    </cheat>

    <cheat desc="fast vulcan">
        <script state="on">
            <action>maincpu.ob@4A08 = C3</action>
        </script>
        <script state="off">
            <action>maincpu.ob@4A08 = CA</action>
        </script>
    </cheat>

    <cheat desc="no delay cannon">
        <script state="on">
            <action>maincpu.ob@1694 = C3</action>
        </script>
        <script state="off">
            <action>maincpu.ob@1694 = CA</action>
        </script>
    </cheat>

    <cheat desc="sound test mode">
        <!-- you can't stop sound codes 0x01 - 0x08 by sound stop button -->
        <comment>reset the game (F3) to enter sound test mode</comment>
        <script state="on">
            <action>maincpu.ob@00B1 = C9              </action> <!-- disable credit display -->
            <action>maincpu.mw@090E = 7010            </action>
            <action>maincpu.oq@7010 = 47B8FFFF3AFFFF21</action>
            <action>maincpu.mq@7010 = FFFFA000FF6000FF</action>
            <action>maincpu.oq@7018 = FE35FF20FFFEFF28</action>
            <action>maincpu.mq@7018 = FFFF01FF40FFF9FF</action>
            <action>maincpu.oq@7020 = FF20FFFE34FF20FF</action>
            <action>maincpu.mq@7020 = 04FF20FFFF01FF80</action>
            <action>maincpu.oq@7028 = FF20FFFEFF18FF3E</action>
            <action>maincpu.mq@7028 = 05FF10FF06FFF0FF</action>
            <action>maincpu.oq@7030 = 20FFFE787786FF3E</action>
            <action>maincpu.mq@7030 = FF04FFFFFFFF10FF</action>
            <action>maincpu.oq@7038 = FF20FFFEFF187EFF</action>
            <action>maincpu.mq@7038 = 11FF08FF05FFFF03</action>
            <action>maincpu.oq@7040 = FF3085FFFF2187AF</action>
            <action>maincpu.mq@7040 = 01FFFF7053FFFFFF</action>
            <action>maincpu.oq@7048 = D37E23FFD37E6F24</action>
            <action>maincpu.mq@7048 = FFFFFF00FFFFFFFF</action>
            <action>maincpu.oq@7050 = FFFFFFFFFFFF18FF</action>
            <action>maincpu.mq@7050 = 0200010000BDFF01</action>
            <action>maincpu.oq@7058 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7058 = 2000100008000400</action>
            <action>maincpu.oq@7060 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7060 = 0001000080004000</action>
            <action>maincpu.oq@7068 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7068 = 0010000800040002</action>
            <action>maincpu.oq@7070 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7070 = FFFFFF8000400020</action>
            <!--
            7010 | 21 00 60 : ld   hl,$6000  // sound code address
            7013 | 3A 00 A0 : ld   a,($A000) // read input
            7016 | B8       : cp   b
            7017 | 47       : ld   b,a
            7018 | 28 F9    : jr   z,$7013
            701A | FE 40    : cp   $40
            701C | 20 01    : jr   nz,$701F
            701E | 35       : dec  (hl)      // decrease code -01
            701F | FE 80    : cp   $80
            7021 | 20 01    : jr   nz,$7024
            7023 | 34       : inc  (hl)      // increase code +01
            7024 | FE 20    : cp   $20
            7026 | 20 04    : jr   nz,$702C
            7028 | 3E F0    : ld   a,$F0     // decrease code -10
            702A | 18 06    : jr   $7032
            702C | FE 10    : cp   $10
            702E | 20 05    : jr   nz,$7035
            7030 | 3E 10    : ld   a,$10     // increase code +10
            7032 | 86       : add  a,(hl)
            7033 | 77       : ld   (hl),a
            7034 | 78       : ld   a,b
            7035 | FE 04    : cp   $04
            7037 | 20 03    : jr   nz,$703C
            7039 | 7E       : ld   a,(hl)    // play sound
            703A | 18 05    : jr   $7041
            703C | FE 08    : cp   $08
            703E | 20 11    : jr   nz,$7051
            7040 | AF       : xor  a         // stop sound
            7041 | 87       : add  a,a       // convert sound code
            7042 | 21 53 70 : ld   hl,$7053
            7045 | 85       : add  a,l
            7046 | 30 01    : jr   nc,$7049
            7048 | 24       : inc  h
            7049 | 6F       : ld   l,a
            704A | 7E       : ld   a,(hl)
            704B | D3 00    : out  ($00),a   // send sound code ($00)
            704D | 23       : inc  hl
            704E | 7E       : ld   a,(hl)
            704F | D3 01    : out  ($01),a   // send sound code ($01)
            7051 | 18 BD    : jr   $7010
            -->
            7053 - 7074     : sound code conversion table
             code  $00  $01
              00    00   00   stop $01 sounds (not $00)
              01    01   00   sfx
              02    02   00   (none?)
              03    04   00   sfx
              04    08   00   sfx
              05    10   00   (none?)
              06    20   00   sfx
              07    40   00   (none?)
              08    80   00   (none?)
              09    00   01   main theme
              0a    00   02   (none?)
              0b    00   04   sfx
              0c    00   08   sfx
              0d    00   10   (none?)
              0e    00   20   (none?)
              0f    00   40   (none?)
              10    00   80   (none?)
            -->
        </script>
        <script state="run">
            <output format="----- sound test mode -----"       line="10" align="center" />
            <output format="left : decrease code -01"          line="11" align="center" />
            <output format="right : increase code +01"         line="12" align="center" />
            <output format="down : decrease code -10"          line="13" align="center" />
            <output format="up : increase code +10"            line="14" align="center" />
            <output format="button 1 : play sound"             line="15" align="center" />
            <output format="button 2 : stop sound"             line="16" align="center" />
            <output format="----------------------------"      line="17" align="center" />
            <output format="&lt;&lt; sound code %02X &gt;&gt;" line="19" align="center"  >
                <argument>maincpu.pb@6000</argument>
            </output>
        </script>
        <script state="off">
            <action>maincpu.ob@00B1 = C8              </action>
            <action>maincpu.mw@090E = 2CAE            </action>
            <action>maincpu.oq@7010 = 28A028A028A028A0</action>
            <action>maincpu.mq@7010 = 2020202020202020</action>
            <action>maincpu.oq@7018 = 28A028A028A028A0</action>
            <action>maincpu.mq@7018 = 2020202020202020</action>
            <action>maincpu.oq@7020 = 2020202020202020</action>
            <action>maincpu.mq@7020 = 2888288828882888</action>
            <action>maincpu.oq@7028 = 2020202020202020</action>
            <action>maincpu.mq@7028 = 2888288828882888</action>
            <action>maincpu.oq@7030 = 28A028A028A028A0</action>
            <action>maincpu.mq@7030 = 2020202020202020</action>
            <action>maincpu.oq@7038 = 28A028A028A028A0</action>
            <action>maincpu.mq@7038 = 2020202020202020</action>
            <action>maincpu.oq@7040 = 2020202020202020</action>
            <action>maincpu.mq@7040 = 2888288828882888</action>
            <action>maincpu.oq@7048 = 2020202020202020</action>
            <action>maincpu.mq@7048 = 2888288828882888</action>
            <action>maincpu.oq@7050 = 28A028A028A028A0</action>
            <action>maincpu.mq@7050 = 2020202020202020</action>
            <action>maincpu.oq@7058 = 28A028A028A028A0</action>
            <action>maincpu.mq@7058 = 2020202020202020</action>
            <action>maincpu.oq@7060 = 2020202020202020</action>
            <action>maincpu.mq@7060 = 2888288828882888</action>
            <action>maincpu.oq@7068 = 2020202020202020</action>
            <action>maincpu.mq@7068 = 2888288828882888</action>
            <action>maincpu.oq@7070 = 28A028A028A028A0</action>
            <action>maincpu.mq@7070 = 2020202020202020</action>
        </script>
    </cheat>

</mamecheat>

yamatoa.xml

Code: Select all

<!-- Yamato (set 2) -->
<mamecheat version="1">

    <cheat desc="no hit">
        <script state="on">
            <action>maincpu.ob@2A36 = C9</action>
        </script>
        <script state="off">
            <action>maincpu.ob@2A36 = AF</action>
        </script>
    </cheat>

    <cheat desc="rapid fire">
        <script state="on">
            <action>maincpu.ob@16E7 = 00</action> <!-- cannon -->
            <action>maincpu.ob@4A1D = 00</action> <!-- vulcan -->
        </script>
        <script state="off">
            <action>maincpu.ob@16E7 = C0</action>
            <action>maincpu.ob@4A1D = C0</action>
        </script>
    </cheat>

    <cheat desc="player speed">
        <parameter min="0x01" max="0x05" step="0x01" />
        <script state="on">
            <action>maincpu.mw@47CB = 7000            </action>
            <action>maincpu.oq@7000 = 10C1FFFFCDC5FF06</action>
            <action>maincpu.mq@7000 = FFFF28E1FFFF007F</action>
            <action>maincpu.oq@7008 = FFFFFFFFFFFFC9FF</action>
            <action>maincpu.mq@7008 = FFFFFFFFFFFFFFF9</action>
            <!--
            7000 | 06 xx    : ld   b,$xx
            7002 | C5       : push bc
            7003 | CD E1 28 : call $28E1
            7006 | C1       : pop  bc
            7007 | 10 F9    : djnz $7002
            7009 | C9       : ret
            -->
        </script>
        <script state="change">
            <action>maincpu.mb@7001 = param</action>
        </script>
        <script state="off">
            <action>maincpu.mw@47CB = 28E1            </action>
            <action>maincpu.oq@7000 = 2020202020202020</action>
            <action>maincpu.mq@7000 = 2888288828882888</action>
            <action>maincpu.oq@7008 = 2020202020202020</action>
            <action>maincpu.mq@7008 = 2888288828882888</action>
        </script>
    </cheat>

    <cheat desc="fast vulcan">
        <script state="on">
            <action>maincpu.ob@4A08 = C3</action>
        </script>
        <script state="off">
            <action>maincpu.ob@4A08 = CA</action>
        </script>
    </cheat>

    <cheat desc="no delay cannon">
        <script state="on">
            <action>maincpu.ob@1694 = C3</action>
        </script>
        <script state="off">
            <action>maincpu.ob@1694 = CA</action>
        </script>
    </cheat>

    <cheat desc="sound test mode">
        <!-- you can't stop sound codes 0x01 - 0x08 by sound stop button -->
        <comment>reset the game (F3) to enter sound test mode</comment>
        <script state="on">
            <action>maincpu.ob@00B1 = C9              </action> <!-- disable credit display -->
            <action>maincpu.mw@090E = 7010            </action>
            <action>maincpu.oq@7010 = 47B8FFFF3AFFFF21</action>
            <action>maincpu.mq@7010 = FFFFA000FF6000FF</action>
            <action>maincpu.oq@7018 = FE35FF20FFFEFF28</action>
            <action>maincpu.mq@7018 = FFFF01FF40FFF9FF</action>
            <action>maincpu.oq@7020 = FF20FFFE34FF20FF</action>
            <action>maincpu.mq@7020 = 04FF20FFFF01FF80</action>
            <action>maincpu.oq@7028 = FF20FFFEFF18FF3E</action>
            <action>maincpu.mq@7028 = 05FF10FF06FFF0FF</action>
            <action>maincpu.oq@7030 = 20FFFE787786FF3E</action>
            <action>maincpu.mq@7030 = FF04FFFFFFFF10FF</action>
            <action>maincpu.oq@7038 = FF20FFFEFF187EFF</action>
            <action>maincpu.mq@7038 = 11FF08FF05FFFF03</action>
            <action>maincpu.oq@7040 = FF3085FFFF2187AF</action>
            <action>maincpu.mq@7040 = 01FFFF7053FFFFFF</action>
            <action>maincpu.oq@7048 = D37E23FFD37E6F24</action>
            <action>maincpu.mq@7048 = FFFFFF00FFFFFFFF</action>
            <action>maincpu.oq@7050 = FFFFFFFFFFFF18FF</action>
            <action>maincpu.mq@7050 = 0200010000BDFF01</action>
            <action>maincpu.oq@7058 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7058 = 2000100008000400</action>
            <action>maincpu.oq@7060 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7060 = 0001000080004000</action>
            <action>maincpu.oq@7068 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7068 = 0010000800040002</action>
            <action>maincpu.oq@7070 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7070 = FFFFFF8000400020</action>
            <!--
            7010 | 21 00 60 : ld   hl,$6000  // sound code address
            7013 | 3A 00 A0 : ld   a,($A000) // read input
            7016 | B8       : cp   b
            7017 | 47       : ld   b,a
            7018 | 28 F9    : jr   z,$7013
            701A | FE 40    : cp   $40
            701C | 20 01    : jr   nz,$701F
            701E | 35       : dec  (hl)      // decrease code -01
            701F | FE 80    : cp   $80
            7021 | 20 01    : jr   nz,$7024
            7023 | 34       : inc  (hl)      // increase code +01
            7024 | FE 20    : cp   $20
            7026 | 20 04    : jr   nz,$702C
            7028 | 3E F0    : ld   a,$F0     // decrease code -10
            702A | 18 06    : jr   $7032
            702C | FE 10    : cp   $10
            702E | 20 05    : jr   nz,$7035
            7030 | 3E 10    : ld   a,$10     // increase code +10
            7032 | 86       : add  a,(hl)
            7033 | 77       : ld   (hl),a
            7034 | 78       : ld   a,b
            7035 | FE 04    : cp   $04
            7037 | 20 03    : jr   nz,$703C
            7039 | 7E       : ld   a,(hl)    // play sound
            703A | 18 05    : jr   $7041
            703C | FE 08    : cp   $08
            703E | 20 11    : jr   nz,$7051
            7040 | AF       : xor  a         // stop sound
            7041 | 87       : add  a,a       // convert sound code
            7042 | 21 53 70 : ld   hl,$7053
            7045 | 85       : add  a,l
            7046 | 30 01    : jr   nc,$7049
            7048 | 24       : inc  h
            7049 | 6F       : ld   l,a
            704A | 7E       : ld   a,(hl)
            704B | D3 00    : out  ($00),a   // send sound code ($00)
            704D | 23       : inc  hl
            704E | 7E       : ld   a,(hl)
            704F | D3 01    : out  ($01),a   // send sound code ($01)
            7051 | 18 BD    : jr   $7010
            -->
            7053 - 7074     : sound code conversion table
             code  $00  $01
              00    00   00   stop $01 sounds (not $00)
              01    01   00   sfx
              02    02   00   (none?)
              03    04   00   sfx
              04    08   00   sfx
              05    10   00   (none?)
              06    20   00   sfx
              07    40   00   (none?)
              08    80   00   (none?)
              09    00   01   main theme
              0a    00   02   (none?)
              0b    00   04   sfx
              0c    00   08   sfx
              0d    00   10   (none?)
              0e    00   20   (none?)
              0f    00   40   (none?)
              10    00   80   (none?)
            -->
        </script>
        <script state="run">
            <output format="----- sound test mode -----"       line="10" align="center" />
            <output format="left : decrease code -01"          line="11" align="center" />
            <output format="right : increase code +01"         line="12" align="center" />
            <output format="down : decrease code -10"          line="13" align="center" />
            <output format="up : increase code +10"            line="14" align="center" />
            <output format="button 1 : play sound"             line="15" align="center" />
            <output format="button 2 : stop sound"             line="16" align="center" />
            <output format="----------------------------"      line="17" align="center" />
            <output format="&lt;&lt; sound code %02X &gt;&gt;" line="19" align="center"  >
                <argument>maincpu.pb@6000</argument>
            </output>
        </script>
        <script state="off">
            <action>maincpu.ob@00B1 = C8              </action>
            <action>maincpu.mw@090E = 2CAE            </action>
            <action>maincpu.oq@7010 = 28A028A028A028A0</action>
            <action>maincpu.mq@7010 = 2020202020202020</action>
            <action>maincpu.oq@7018 = 28A028A028A028A0</action>
            <action>maincpu.mq@7018 = 2020202020202020</action>
            <action>maincpu.oq@7020 = 2020202020202020</action>
            <action>maincpu.mq@7020 = 2888288828882888</action>
            <action>maincpu.oq@7028 = 2020202020202020</action>
            <action>maincpu.mq@7028 = 2888288828882888</action>
            <action>maincpu.oq@7030 = 28A028A028A028A0</action>
            <action>maincpu.mq@7030 = 2020202020202020</action>
            <action>maincpu.oq@7038 = 28A028A028A028A0</action>
            <action>maincpu.mq@7038 = 2020202020202020</action>
            <action>maincpu.oq@7040 = 2020202020202020</action>
            <action>maincpu.mq@7040 = 2888288828882888</action>
            <action>maincpu.oq@7048 = 2020202020202020</action>
            <action>maincpu.mq@7048 = 2888288828882888</action>
            <action>maincpu.oq@7050 = 28A028A028A028A0</action>
            <action>maincpu.mq@7050 = 2020202020202020</action>
            <action>maincpu.oq@7058 = 28A028A028A028A0</action>
            <action>maincpu.mq@7058 = 2020202020202020</action>
            <action>maincpu.oq@7060 = 2020202020202020</action>
            <action>maincpu.mq@7060 = 2888288828882888</action>
            <action>maincpu.oq@7068 = 2020202020202020</action>
            <action>maincpu.mq@7068 = 2888288828882888</action>
            <action>maincpu.oq@7070 = 28A028A028A028A0</action>
            <action>maincpu.mq@7070 = 2020202020202020</action>
        </script>
    </cheat>

</mamecheat>

yamatou.xml

Code: Select all

<!-- Yamato (US) -->
<mamecheat version="1">

    <cheat desc="no hit">
        <script state="on">
            <action>maincpu.ob@2B8D = C9</action>
        </script>
        <script state="off">
            <action>maincpu.ob@2B8D = AF</action>
        </script>
    </cheat>

    <cheat desc="rapid fire">
        <script state="on">
            <action>maincpu.ob@1834 = 00</action> <!-- cannon -->
            <action>maincpu.ob@4B7F = 00</action> <!-- vulcan -->
        </script>
        <script state="off">
            <action>maincpu.ob@1834 = C0</action>
            <action>maincpu.ob@4B7F = C0</action>
        </script>
    </cheat>

    <cheat desc="player speed">
        <parameter min="0x01" max="0x05" step="0x01" />
        <script state="on">
            <action>maincpu.mw@492D = 7A90            </action>
            <action>maincpu.oq@7A90 = 10C1FFFFCDC5FF06</action>
            <action>maincpu.mq@7A90 = FFFF2A38FFFF007F</action>
            <action>maincpu.oq@7A98 = FFFFFFFFFFFFC9FF</action>
            <action>maincpu.mq@7A98 = FFFFFFFFFFFFFFF9</action>
            <!--
            7A90 | 06 xx    : ld   b,$xx
            7A92 | C5       : push bc
            7A93 | CD 38 2A : call $2A38
            7A96 | C1       : pop  bc
            7A97 | 10 F9    : djnz $7A92
            7A99 | C9       : ret
            -->
        </script>
        <script state="change">
            <action>maincpu.mb@7A91 = param</action>
        </script>
        <script state="off">
            <action>maincpu.mw@492D = 2A38            </action>
            <action>maincpu.oq@7A90 = 08A808A808A808A8</action>
            <action>maincpu.mq@7A90 = 0000000000000000</action>
            <action>maincpu.oq@7A98 = 08A808A808A808A8</action>
            <action>maincpu.mq@7A98 = 0000000000000000</action>
        </script>
    </cheat>

    <cheat desc="fast vulcan">
        <script state="on">
            <action>maincpu.ob@4B6A = C3</action>
        </script>
        <script state="off">
            <action>maincpu.ob@4B6A = CA</action>
        </script>
    </cheat>

    <cheat desc="no delay cannon">
        <script state="on">
            <action>maincpu.ob@17E1 = C3</action>
        </script>
        <script state="off">
            <action>maincpu.ob@17E1 = CA</action>
        </script>
    </cheat>

    <cheat desc="sound test mode (test)">
        <!-- you can't stop 0x01 - 0x08 sounds by sound stop button -->
        <comment>reset the game (F3) to enter sound test mode</comment>
        <script state="on">
            <action>maincpu.ob@00B1 = C9              </action> <!-- disable credit display -->
            <action>maincpu.mw@0A5B = 7AA0            </action>
            <action>maincpu.oq@7AA0 = 47B8FFFF3AFFFF21</action>
            <action>maincpu.mq@7AA0 = FFFFA000FF6000FF</action>
            <action>maincpu.oq@7AA8 = FE35FF20FFFEFF28</action>
            <action>maincpu.mq@7AA8 = FFFF01FF40FFF9FF</action>
            <action>maincpu.oq@7AB0 = FF20FFFE34FF20FF</action>
            <action>maincpu.mq@7AB0 = 04FF20FFFF01FF80</action>
            <action>maincpu.oq@7AB8 = FF20FFFEFF18FF3E</action>
            <action>maincpu.mq@7AB8 = 05FF10FF06FFF0FF</action>
            <action>maincpu.oq@7AC0 = 20FFFE787786FF3E</action>
            <action>maincpu.mq@7AC0 = FF04FFFFFFFF10FF</action>
            <action>maincpu.oq@7AC8 = FF20FFFEFF187EFF</action>
            <action>maincpu.mq@7AC8 = 11FF08FF05FFFF03</action>
            <action>maincpu.oq@7AD0 = FF3085FFFF2187AF</action>
            <action>maincpu.mq@7AD0 = 01FFFF7AE3FFFFFF</action>
            <action>maincpu.oq@7AD8 = D37E23FFD37E6F24</action>
            <action>maincpu.mq@7AD8 = FFFFFF00FFFFFFFF</action>
            <action>maincpu.oq@7AE0 = FFFFFFFFFFFF18FF</action>
            <action>maincpu.mq@7AE0 = 0200010000BDFF01</action>
            <action>maincpu.oq@7AE8 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7AE8 = 2000100008000400</action>
            <action>maincpu.oq@7AF0 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7AF0 = 0001000080004000</action>
            <action>maincpu.oq@7AF8 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7AF8 = 0010000800040002</action>
            <action>maincpu.oq@7B00 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@7B00 = FFFFFF8000400020</action>
            <!--
            7AA0 | 21 FF FF : ld   hl,$6000  // sound code address
            7AA3 | 3A FF FF : ld   a,($A000) // read input
            7AA6 | B8       : cp   b
            7AA7 | 47       : ld   b,a
            7AA8 | 28 FF    : jr   z,$7AA3
            7AAA | FE FF    : cp   $40
            7AAC | 20 FF    : jr   nz,$7AAF
            7AAE | 35       : dec  (hl)      // decrease code -01
            7AAF | FE FF    : cp   $80
            7AB1 | 20 FF    : jr   nz,$7AB4
            7AB3 | 34       : inc  (hl)      // increase code +01
            7AB4 | FE FF    : cp   $20
            7AB6 | 20 FF    : jr   nz,$7ABC
            7AB8 | 3E FF    : ld   a,$F0     // decrease code -10
            7ABA | 18 FF    : jr   $7AC2
            7ABC | FE FF    : cp   $10
            7ABE | 20 FF    : jr   nz,$7AC5
            7AC0 | 3E FF    : ld   a,$10     // increase code +10
            7AC2 | 86       : add  a,(hl)
            7AC3 | 77       : ld   (hl),a
            7AC4 | 78       : ld   a,b
            7AC5 | FE FF    : cp   $04
            7AC7 | 20 FF    : jr   nz,$7ACC
            7AC9 | 7E       : ld   a,(hl)    // play sound
            7ACA | 18 FF    : jr   $7AD1
            7ACC | FE FF    : cp   $08
            7ACE | 20 FF    : jr   nz,$7AE1
            7AD0 | AF       : xor  a         // stop sound
            7AD1 | 87       : add  a,a       // convert sound code
            7AD2 | 21 FF FF : ld   hl,$7AE3
            7AD5 | 85       : add  a,l
            7AD6 | 30 FF    : jr   nc,$7AD9
            7AD8 | 24       : inc  h
            7AD9 | 6F       : ld   l,a
            7ADA | 7E       : ld   a,(hl)
            7ADB | D3 FF    : out  ($00),a   // send sound code ($00)
            7ADD | 23       : inc  hl
            7ADE | 7E       : ld   a,(hl)
            7ADF | D3 FF    : out  ($01),a   // send sound code ($01)
            7AE1 | 18 FF    : jr   $7AA0
            7AE3 - 7B04     : sound code conversion table
             code  $00  $01
              00    00   00   stop $01 sounds (not $00)
              01    01   00   sfx
              02    02   00   (none?)
              03    04   00   sfx
              04    08   00   sfx
              05    10   00   (none?)
              06    20   00   sfx
              07    40   00   (none?)
              08    80   00   (none?)
              09    00   01   main theme
              0a    00   02   (none?)
              0b    00   04   sfx
              0c    00   08   sfx
              0d    00   10   (none?)
              0e    00   20   (none?)
              0f    00   40   (none?)
              10    00   80   (none?)
            -->
        </script>
        <script state="run">
            <output format="----- sound test mode -----"       line="10" align="center" />
            <output format="left : decrease code -01"          line="11" align="center" />
            <output format="right : increase code +01"         line="12" align="center" />
            <output format="down : decrease code -10"          line="13" align="center" />
            <output format="up : increase code +10"            line="14" align="center" />
            <output format="button 1 : play sound"             line="15" align="center" />
            <output format="button 2 : stop sound"             line="16" align="center" />
            <output format="----------------------------"      line="17" align="center" />
            <output format="&lt;&lt; sound code %02X &gt;&gt;" line="19" align="center"  >
                <argument>maincpu.pb@6000</argument>
            </output>
        </script>
        <script state="off">
            <action>maincpu.ob@00B1 = C8              </action>
            <action>maincpu.mw@0A5B = 2E05            </action>
            <action>maincpu.oq@7AA0 = 8008800880088008</action>
            <action>maincpu.mq@7AA0 = 0000000000000000</action>
            <action>maincpu.oq@7AA8 = 8008800880088008</action>
            <action>maincpu.mq@7AA8 = 0000000000000000</action>
            <action>maincpu.oq@7AB0 = 08A808A808A808A8</action>
            <action>maincpu.mq@7AB0 = 0000000000000000</action>
            <action>maincpu.oq@7AB8 = 08A808A808A808A8</action>
            <action>maincpu.mq@7AB8 = 0000000000000000</action>
            <action>maincpu.oq@7AC0 = 8008800880088008</action>
            <action>maincpu.mq@7AC0 = 0000000000000000</action>
            <action>maincpu.oq@7AC8 = 8008800880088008</action>
            <action>maincpu.mq@7AC8 = 0000000000000000</action>
            <action>maincpu.oq@7AD0 = 08A808A808A808A8</action>
            <action>maincpu.mq@7AD0 = 0000000000000000</action>
            <action>maincpu.oq@7AD8 = 08A808A808A808A8</action>
            <action>maincpu.mq@7AD8 = 0000000000000000</action>
            <action>maincpu.oq@7AE0 = 8008800880088008</action>
            <action>maincpu.mq@7AE0 = 0000000000000000</action>
            <action>maincpu.oq@7AE8 = 8008800880088008</action>
            <action>maincpu.mq@7AE8 = 0000000000000000</action>
            <action>maincpu.oq@7AF0 = 08A808A808A808A8</action>
            <action>maincpu.mq@7AF0 = 0000000000000000</action>
            <action>maincpu.oq@7AF8 = 08A808A808A808A8</action>
            <action>maincpu.mq@7AF8 = 0000000000000000</action>
            <action>maincpu.oq@7B00 = 0008000800080008</action>
            <action>maincpu.mq@7B00 = 0000000000000000</action>
        </script>
    </cheat>

</mamecheat>

Emulator Cheats

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