Emulator Cheats

Memory altering cheats for emulators
http://www.mamecheat.co.uk/forums/

[vulgusj] Vulgus

http://www.mamecheat.co.uk/forums/viewtopic.php?t=12944

Page 1 of 1

[vulgusj] Vulgus

Posted: Sat Jun 26, 2021 2:42 pm
by jman

Code: Select all

<cheat desc="no hit">
    <script state="on">
        <action>maincpu.mb@43ea = c9</action>
    </script>
    <script state="off">
        <action>maincpu.mb@43ea = c0</action>
    </script>
</cheat>

<cheat desc="auto fire">
    <script state="on">
        <action>maincpu.mq@1d56 = c010fe10e6e0023a</action>
        <!--
        1d56 | 3a 02 e0 : ld  a,($e002)
        1d59 | e6 10    : and $10
        1d5b | fe 10    : cp  $10
        -->
    </script>
    <script state="off">
        <action>maincpu.mq@1d56 = c003fe07e6e00c3a</action>
    </script>
</cheat>

<cheat desc="player speed">
    <parameter>
        <item value="0x0080">01 (slow)</item>
        <item value="0x0100">02       </item>
        <item value="0x0200">03       </item>
        <item value="0x0300">04       </item>
        <item value="0x0400">05 (fast)</item>
    </parameter>
    <script state="change">
        <action>maincpu.mw@1b72 = -param</action> <!-- down -->
        <action>maincpu.mw@1b79 = -param</action> <!-- lower-left/right -->
        <action>maincpu.mw@1b7e =  param</action> <!-- up -->
        <action>maincpu.mw@1b85 =  param</action> <!-- upper-left/right -->
        <action>maincpu.mw@1bc2 = -param</action> <!-- left -->
        <action>maincpu.mw@1be4 =  param</action> <!-- right -->
    </script>
    <script state="off">
        <action>maincpu.mw@1b72 = fe80</action>
        <action>maincpu.mw@1b79 = ff00</action>
        <action>maincpu.mw@1b7e = 0180</action>
        <action>maincpu.mw@1b85 = 0100</action>
        <action>maincpu.mw@1bc2 = ff00</action>
        <action>maincpu.mw@1be4 = 0100</action>
    </script>
</cheat>

<cheat desc="bullet speed">
    <parameter>
        <item value="0x01">01 (slow)</item>
        <item value="0x05">02       </item>
        <item value="0x07">03       </item>
        <item value="0x09">04       </item>
        <item value="0x0b">05 (fast)</item>
    </parameter>
    <script state="change">
        <action>maincpu.mb@1cf7 = param</action>
        <action>maincpu.mb@1de2 = param</action>
    </script>
    <script state="off">
        <action>maincpu.mb@1cf7 = 05</action>
        <action>maincpu.mb@1de2 = 05</action>
    </script>
</cheat>

<cheat desc="sound test mode">
    <comment>reset the game (F3) to enter sound test mode</comment>
    <script state="on">
        <action>maincpu.md@02c2 =         ff6b40c3</action>
        <action>maincpu.mq@6b40 = 0021e00522020221</action>
        <action>maincpu.mq@6b48 = bdc0013ae1002200</action>
        <action>maincpu.mq@6b50 = 250120fdfef6286f</action>
        <action>maincpu.mq@6b58 = 20effe240120fefe</action>
        <action>maincpu.mq@6b60 = 0520dffe06187c03</action>
        <action>maincpu.mq@6b68 = ffda18c80032303e</action>
        <!--
        6b40 | 21 02 02 : ld  hl,$0202
        6b43 | 22 05 e0 : ld  ($e005),hl
        6b46 | 21 00 00 : ld  hl,$0000   // initialize sound and input values
        6b49 | 22 00 e1 : ld  ($e100),hl
        6b4c | 3a 01 c0 : ld  a,($c001)  // read input
        6b4f | bd       : cp  l
        6b50 | 6f       : ld  l,a
        6b51 | 28 f6    : jr  z,$6b49
        6b53 | fe fd    : cp  $fd
        6b55 | 20 01    : jr  nz,$6b58
        6b57 | 25       : dec h          // decrease code
        6b58 | fe fe    : cp  $fe
        6b5a | 20 01    : jr  nz,$6b5d
        6b5c | 24       : inc h          // increase code
        6b5d | fe ef    : cp  $ef
        6b5f | 20 03    : jr  nz,$6b64 
        6b61 | 7c       : ld  a,h        // play sound
        6b62 | 18 06    : jr  $6b6a
        6b64 | fe df    : cp  $df
        6b66 | 20 05    : jr  nz,$6b6d
        6b68 | 3e 30    : ld  a,$30      // stop sound
        6b6a | 32 00 c8 : ld  ($c800),a
        6b6d | 18 da    : jr  $6b49
        -->
        <action>audiocpu.mb@0061 =   11</action> <!-- change sound code 0x80 to 0x11 -->
        <action>audiocpu.mw@0419 = 8418</action> <!-- stop sfx and music at the same time -->
    </script>
    <script state="run">
        <output format="----- vulgus sound test mode -----" line="10" align="center" />
        <output format="left : decrease code"               line="11" align="center" />
        <output format="right : increase code"              line="12" align="center" />
        <output format="button 1 : play sound"              line="13" align="center" />
        <output format="button 2 : stop sound"              line="14" align="center" />
        <output format="----------------------------"       line="15" align="center" />
        <output format="&lt;&lt; sound code %2.2X &gt;&gt;" line="17" align="center">
            <argument>maincpu.pb@e101</argument>
        </output>
    </script>
    <script state="off">
        <action> maincpu.md@02c2 =         ff36573d</action>
        <action> maincpu.mq@6b40 = ffffffffffffffff</action>
        <action> maincpu.mq@6b48 = ffffffffffffffff</action>
        <action> maincpu.mq@6b50 = ffffffffffffffff</action>
        <action> maincpu.mq@6b58 = ffffffffffffffff</action>
        <action> maincpu.mq@6b60 = ffffffffffffffff</action>
        <action> maincpu.mq@6b68 = ffffffffffffffff</action>
        <action>audiocpu.mb@0061 =               80</action>
        <action>audiocpu.mw@0419 =             21fd</action>
    </script>
</cheat>

[vulgusj] Vulgus (update)

Posted: Sun Oct 30, 2022 1:19 pm
by jman

Code: Select all

<cheat desc="sound test mode">
    <comment>reset the game (F3) to enter sound test mode</comment>
    <script state="on">
        <action>maincpu.md@02c2 =         ff6b40c3</action>
        <action>maincpu.mq@6b40 = 0021e00522020221</action>
        <action>maincpu.mq@6b48 = f92847b8c0013ae1</action>
        <action>maincpu.mq@6b50 = 20fefe350120fdfe</action>
        <action>maincpu.mq@6b58 = f03e0420fbfe3401</action>
        <action>maincpu.mq@6b60 = 103e0520f7fe0618</action>
        <action>maincpu.mq@6b68 = 7e0320effe787786</action>
        <action>maincpu.mq@6b70 = 303e0520dffe0618</action>
        <action>maincpu.mq@6b78 = ffffffcc18c80032</action>
        <!--
        6b40 | 21 02 02 : ld  hl,$0202
        6b43 | 22 05 e0 : ld  ($E005),hl
        6b46 | 21 00 e1 : ld  hl,$E100   // sound code address
        6b49 | 3a 01 c0 : ld  a,($C001)  // read input
        6b4c | b8       : cp  b
        6b4d | 47       : ld  b,a
        6b4e | 28 f9    : jr  z,$6B49
        6b50 | fe fd    : cp  $FD
        6b52 | 20 01    : jr  nz,$6B55
        6b54 | 35       : dec (hl)       // decrease code -01
        6b55 | fe fe    : cp  $FE
        6b57 | 20 01    : jr  nz,$6B5A
        6b59 | 34       : inc (hl)       // increase code +10
        6b5a | fe fb    : cp  $FB
        6b5c | 20 04    : jr  nz,$6B62
        6b5e | 3e f0    : ld  a,$F0      // decrease code -10
        6b60 | 18 06    : jr  $6B68
        6b62 | fe f7    : cp  $F7
        6b64 | 20 05    : jr  nz,$6B6B
        6b66 | 3e 10    : ld  a,$10      // increase code +10
        6b68 | 86       : add a,(hl)
        6b69 | 77       : ld  (hl),a
        6b6a | 78       : ld  a,b
        6b6b | fe ef    : cp  $EF
        6b6d | 20 03    : jr  nz,$6B72
        6b6f | 7e       : ld  a,(hl)     // play sound
        6b70 | 18 06    : jr  $6B78
        6b72 | fe df    : cp  $DF
        6b74 | 20 05    : jr  nz,$6B7B
        6b76 | 3e 30    : ld  a,$30      // stop sound
        6b78 | 32 00 c8 : ld  ($C800),a  // send sound code
        6b7b | 18 cc    : jr  $6B49
        -->
        <action>audiocpu.mb@0061 =   11</action> <!-- change sound code 0x80 to 0x11 -->
        <action>audiocpu.mw@0419 = 8418</action> <!-- stop sfx and music at the same time -->
    </script>
    <script state="run">
        <output format="----- vulgus 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@e100</argument>
        </output>
    </script>
    <script state="off">
        <action> maincpu.md@02c2 =         ff36573d</action>
        <action> maincpu.mq@6b40 = ffffffffffffffff</action>
        <action> maincpu.mq@6b48 = ffffffffffffffff</action>
        <action> maincpu.mq@6b50 = ffffffffffffffff</action>
        <action> maincpu.mq@6b58 = ffffffffffffffff</action>
        <action> maincpu.mq@6b60 = ffffffffffffffff</action>
        <action> maincpu.mq@6b68 = ffffffffffffffff</action>
        <action> maincpu.mq@6b70 = ffffffffffffffff</action>
        <action> maincpu.mq@6b78 = ffffffffffffffff</action>
        <action>audiocpu.mb@0061 =               80</action>
        <action>audiocpu.mw@0419 =             21fd</action>
    </script>
</cheat>
"sound test mode" : rewrite routine. add up/down key (code ±10).

[vulgus]+ Vulgus

Posted: Fri Feb 16, 2024 10:05 am
by jman
vulgus.xml

Code: Select all

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

    <cheat desc="no hit">
        <script state="on">
            <action>maincpu.mb@4242 = C9</action>
        </script>
        <script state="off">
            <action>maincpu.mb@4242 = C0</action>
        </script>
    </cheat>

    <cheat desc="auto fire">
        <script state="on">
            <action>maincpu.mq@1BA6 = C010FE10E61ABBCD</action>
            <!--
            1D56 | CD BB 1A : call $1ABB
            1D59 | E6 10    : and  $10
            1D5B | FE 10    : cp   $10
            -->
        </script>
        <script state="off">
            <action>maincpu.mq@1BA6 = C003FE07E6E00C3A</action>
        </script>
    </cheat>

    <cheat desc="player speed">
        <parameter>
            <item value="0x0080">01 (slow)</item>
            <item value="0x0100">02       </item>
            <item value="0x0200">03       </item>
            <item value="0x0300">04       </item>
            <item value="0x0400">05 (fast)</item>
        </parameter>
        <script state="change">
            <action>maincpu.mw@19C2 = -param</action> <!-- down -->
            <action>maincpu.mw@19C9 = -param</action> <!-- lower-left/right -->
            <action>maincpu.mw@19CE =  param</action> <!-- up -->
            <action>maincpu.mw@19D5 =  param</action> <!-- upper-left/right -->
            <action>maincpu.mw@1A12 = -param</action> <!-- left -->
            <action>maincpu.mw@1A34 =  param</action> <!-- right -->
        </script>
        <script state="off">
            <action>maincpu.mw@19C2 = FE80</action>
            <action>maincpu.mw@19C9 = FF00</action>
            <action>maincpu.mw@19CE = 0180</action>
            <action>maincpu.mw@19D5 = 0100</action>
            <action>maincpu.mw@1A12 = FF00</action>
            <action>maincpu.mw@1A34 = 0100</action>
        </script>
    </cheat>

    <cheat desc="bullet speed">
        <parameter>
            <item value="0x0100">01 (slow)</item>
            <item value="0x0500">02       </item>
            <item value="0x0700">03       </item>
            <item value="0x0900">04       </item>
            <item value="0x0b00">05 (fast)</item>
        </parameter>
        <script state="change">
            <action>maincpu.mw@1B46 = param</action>
            <action>maincpu.mw@1C31 = param</action>
        </script>
        <script state="off">
            <action>maincpu.mw@1B46 = 0500</action>
            <action>maincpu.mw@1C31 = 0500</action>
        </script>
    </cheat>

    <cheat desc="sound test mode">
        <comment>reset the game (F3) to enter sound test mode</comment>
        <script state="on">
            <action>maincpu.md@02C2 = FF6990C3        </action>
            <action>maincpu.mq@6990 = 0021E00522020221</action>
            <action>maincpu.mq@6998 = F92847B8C0013AE1</action>
            <action>maincpu.mq@69A0 = 20FEFE350120FDFE</action>
            <action>maincpu.mq@69A8 = F03E0420FBFE3401</action>
            <action>maincpu.mq@69B0 = 103E0520F7FE0618</action>
            <action>maincpu.mq@69B8 = 7E0320EFFE787786</action>
            <action>maincpu.mq@69C0 = 303E0520DFFE0618</action>
            <action>maincpu.mq@69C8 = FFFFFFCC18C80032</action>
            <!--
            6990 | 21 02 02 : ld   hl,$0202
            6993 | 22 05 E0 : ld   ($E005),hl
            6996 | 21 00 E1 : ld   hl,$E100   // sound code address
            6999 | 3A 01 C0 : ld   a,($C001)  // read input
            699C | B8       : cp   b
            699D | 47       : ld   b,a
            699E | 28 F9    : jr   z,$6999
            69A0 | FE FD    : cp   $FD
            69A2 | 20 01    : jr   nz,$69A5
            69A4 | 35       : dec  (hl)       // decrease code -01
            69A5 | FE FE    : cp   $FE
            69A7 | 20 01    : jr   nz,$69AA
            69A9 | 34       : inc  (hl)       // increase code +01
            69AA | FE FB    : cp   $FB
            69AC | 20 04    : jr   nz,$69B2
            69AE | 3E F0    : ld   a,$F0      // decrease code -10
            69B0 | 18 06    : jr   $69B8
            69B2 | FE F7    : cp   $F7
            69B4 | 20 05    : jr   nz,$69BB
            69B6 | 3E 10    : ld   a,$10      // increase code +10
            69B8 | 86       : add  a,(hl)
            69B9 | 77       : ld   (hl),a
            69BA | 78       : ld   a,b
            69BB | FE EF    : cp   $EF
            69BD | 20 03    : jr   nz,$69C2
            69BF | 7E       : ld   a,(hl)     // play sound
            69C0 | 18 06    : jr   $69C8
            69C2 | FE DF    : cp   $DF
            69C4 | 20 05    : jr   nz,$69CB
            69C6 | 3E 30    : ld   a,$30      // stop sound
            69C8 | 32 00 C8 : ld   ($C800),a  // send sound code
            69CB | 18 CC    : jr   $6999
            -->
            <action>audiocpu.mb@0061 = 11  </action> <!-- change sound code 0x80 to 0x11 -->
            <action>audiocpu.mw@0419 = 8418</action> <!-- stop sfx and music at the same time -->
        </script>
        <script state="run">
            <output format="----- vulgus 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@E100</argument>
            </output>
        </script>
        <script state="off">
            <action> maincpu.md@02C2 = FF36573D        </action>
            <action> maincpu.mq@6990 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6998 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@69A0 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@69A8 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@69B0 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@69B8 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@69C0 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@69C8 = FFFFFFFFFFFFFFFF</action>
            <action>audiocpu.mb@0061 = 80              </action>
            <action>audiocpu.mw@0419 = 21FD            </action>
        </script>
    </cheat>

</mamecheat>
vulgusa.xml

Code: Select all

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

    <cheat desc="no hit">
        <script state="on">
            <action>maincpu.mb@43EB = C9</action>
        </script>
        <script state="off">
            <action>maincpu.mb@43EB = C0</action>
        </script>
    </cheat>

    <cheat desc="auto fire">
        <script state="on">
            <action>maincpu.mq@1D57 = C010FE10E61C6CCD</action>
            <!--
            1D56 | CD 6C 1C : call $1C6C
            1D59 | E6 10    : and  $10
            1D5B | FE 10    : cp   $10
            -->
        </script>
        <script state="off">
            <action>maincpu.mq@1D57 = C003FE07E6E00C3A</action>
        </script>
    </cheat>

    <cheat desc="player speed">
        <parameter>
            <item value="0x0080">01 (slow)</item>
            <item value="0x0100">02       </item>
            <item value="0x0200">03       </item>
            <item value="0x0300">04       </item>
            <item value="0x0400">05 (fast)</item>
        </parameter>
        <script state="change">
            <action>maincpu.mw@1B73 = -param</action> <!-- down -->
            <action>maincpu.mw@1B7A = -param</action> <!-- lower-left/right -->
            <action>maincpu.mw@1B7F =  param</action> <!-- up -->
            <action>maincpu.mw@1B86 =  param</action> <!-- upper-left/right -->
            <action>maincpu.mw@1BC3 = -param</action> <!-- left -->
            <action>maincpu.mw@1BE5 =  param</action> <!-- right -->
        </script>
        <script state="off">
            <action>maincpu.mw@1B73 = FE80</action>
            <action>maincpu.mw@1B7A = FF00</action>
            <action>maincpu.mw@1B7F = 0180</action>
            <action>maincpu.mw@1B86 = 0100</action>
            <action>maincpu.mw@1BC3 = FF00</action>
            <action>maincpu.mw@1BE5 = 0100</action>
        </script>
    </cheat>

    <cheat desc="bullet speed">
        <parameter>
            <item value="0x0100">01 (slow)</item>
            <item value="0x0500">02       </item>
            <item value="0x0700">03       </item>
            <item value="0x0900">04       </item>
            <item value="0x0b00">05 (fast)</item>
        </parameter>
        <script state="change">
            <action>maincpu.mw@1CF7 = param</action>
            <action>maincpu.mw@1DE2 = param</action>
        </script>
        <script state="off">
            <action>maincpu.mw@1CF7 = 0500</action>
            <action>maincpu.mw@1DE2 = 0500</action>
        </script>
    </cheat>

    <cheat desc="sound test mode">
        <comment>reset the game (F3) to enter sound test mode</comment>
        <script state="on">
            <action>maincpu.md@02C3 = FF6B40C3        </action>
            <action>maincpu.mq@6B40 = 0021E00522020221</action>
            <action>maincpu.mq@6B48 = F92847B8C0013AE1</action>
            <action>maincpu.mq@6B50 = 20FEFE350120FDFE</action>
            <action>maincpu.mq@6B58 = F03E0420FBFE3401</action>
            <action>maincpu.mq@6B60 = 103E0520F7FE0618</action>
            <action>maincpu.mq@6B68 = 7E0320EFFE787786</action>
            <action>maincpu.mq@6B70 = 303E0520DFFE0618</action>
            <action>maincpu.mq@6B78 = FFFFFFCC18C80032</action>
            <!--
            6B40 | 21 02 02 : ld   hl,$0202
            6B43 | 22 05 E0 : ld   ($E005),hl
            6B46 | 21 00 E1 : ld   hl,$E100   // sound code address
            6B49 | 3A 01 C0 : ld   a,($C001)  // read input
            6B4C | B8       : cp   b
            6B4D | 47       : ld   b,a
            6B4E | 28 F9    : jr   z,$6B49
            6B50 | FE FD    : cp   $FD
            6B52 | 20 01    : jr   nz,$6B55
            6B54 | 35       : dec  (hl)       // decrease code -01
            6B55 | FE FE    : cp   $FE
            6B57 | 20 01    : jr   nz,$6B5A
            6B59 | 34       : inc  (hl)       // increase code +01
            6B5A | FE FB    : cp   $FB
            6B5C | 20 04    : jr   nz,$6B62
            6B5E | 3E F0    : ld   a,$F0      // decrease code -10
            6B60 | 18 06    : jr   $6B68
            6B62 | FE F7    : cp   $F7
            6B64 | 20 05    : jr   nz,$6B6B
            6B66 | 3E 10    : ld   a,$10      // increase code +10
            6B68 | 86       : add  a,(hl)
            6B69 | 77       : ld   (hl),a
            6B6A | 78       : ld   a,b
            6B6B | FE EF    : cp   $EF
            6B6D | 20 03    : jr   nz,$6B72
            6B6F | 7E       : ld   a,(hl)     // play sound
            6B70 | 18 06    : jr   $6B78
            6B72 | FE DF    : cp   $DF
            6B74 | 20 05    : jr   nz,$6B7B
            6B76 | 3E 30    : ld   a,$30      // stop sound
            6B78 | 32 00 C8 : ld   ($C800),a  // send sound code
            6B7B | 18 CC    : jr   $6B49
            -->
            <action>audiocpu.mb@0061 = 11  </action> <!-- change sound code 0x80 to 0x11 -->
            <action>audiocpu.mw@0419 = 8418</action> <!-- stop sfx and music at the same time -->
        </script>
        <script state="run">
            <output format="----- vulgus 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@E100</argument>
            </output>
        </script>
        <script state="off">
            <action> maincpu.md@02C3 = FF36573D        </action>
            <action> maincpu.mq@6B40 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B48 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B50 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B58 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B60 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B68 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B70 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B78 = FFFFFFFFFFFFFFFF</action>
            <action>audiocpu.mb@0061 = 80              </action>
            <action>audiocpu.mw@0419 = 21FD            </action>
        </script>
    </cheat>

</mamecheat>
vulgusj.xml

Code: Select all

<!-- Vulgus (Japan?) -->
<mamecheat version="1">

    <cheat desc="no hit">
        <script state="on">
            <action>maincpu.mb@43EA = C9</action>
        </script>
        <script state="off">
            <action>maincpu.mb@43EA = C0</action>
        </script>
    </cheat>

    <cheat desc="auto fire">
        <script state="on">
            <action>maincpu.mq@1D56 = C010FE10E61C6BCD</action>
            <!--
            1D56 | CD 6B 1C : call $1C6B
            1D59 | E6 10    : and  $10
            1D5B | FE 10    : cp   $10
            -->
        </script>
        <script state="off">
            <action>maincpu.mq@1D56 = C003FE07E6E00C3A</action>
        </script>
    </cheat>

    <cheat desc="player speed">
        <parameter>
            <item value="0x0080">01 (slow)</item>
            <item value="0x0100">02       </item>
            <item value="0x0200">03       </item>
            <item value="0x0300">04       </item>
            <item value="0x0400">05 (fast)</item>
        </parameter>
        <script state="change">
            <action>maincpu.mw@1B72 = -param</action> <!-- down -->
            <action>maincpu.mw@1B79 = -param</action> <!-- lower-left/right -->
            <action>maincpu.mw@1B7E =  param</action> <!-- up -->
            <action>maincpu.mw@1B85 =  param</action> <!-- upper-left/right -->
            <action>maincpu.mw@1BC2 = -param</action> <!-- left -->
            <action>maincpu.mw@1BE4 =  param</action> <!-- right -->
        </script>
        <script state="off">
            <action>maincpu.mw@1B72 = FE80</action>
            <action>maincpu.mw@1B79 = FF00</action>
            <action>maincpu.mw@1B7E = 0180</action>
            <action>maincpu.mw@1B85 = 0100</action>
            <action>maincpu.mw@1BC2 = FF00</action>
            <action>maincpu.mw@1BE4 = 0100</action>
        </script>
    </cheat>

    <cheat desc="bullet speed">
        <parameter>
            <item value="0x0100">01 (slow)</item>
            <item value="0x0500">02       </item>
            <item value="0x0700">03       </item>
            <item value="0x0900">04       </item>
            <item value="0x0b00">05 (fast)</item>
        </parameter>
        <script state="change">
            <action>maincpu.mw@1CF6 = param</action>
            <action>maincpu.mw@1DE1 = param</action>
        </script>
        <script state="off">
            <action>maincpu.mw@1CF6 = 0500</action>
            <action>maincpu.mw@1DE1 = 0500</action>
        </script>
    </cheat>

    <cheat desc="sound test mode">
        <comment>reset the game (F3) to enter sound test mode</comment>
        <script state="on">
            <action>maincpu.md@02C2 = FF6B40C3        </action>
            <action>maincpu.mq@6B40 = 0021E00522020221</action>
            <action>maincpu.mq@6B48 = F92847B8C0013AE1</action>
            <action>maincpu.mq@6B50 = 20FEFE350120FDFE</action>
            <action>maincpu.mq@6B58 = F03E0420FBFE3401</action>
            <action>maincpu.mq@6B60 = 103E0520F7FE0618</action>
            <action>maincpu.mq@6B68 = 7E0320EFFE787786</action>
            <action>maincpu.mq@6B70 = 303E0520DFFE0618</action>
            <action>maincpu.mq@6B78 = FFFFFFCC18C80032</action>
            <!--
            6B40 | 21 02 02 : ld   hl,$0202
            6B43 | 22 05 E0 : ld   ($E005),hl
            6B46 | 21 00 E1 : ld   hl,$E100   // sound code address
            6B49 | 3A 01 C0 : ld   a,($C001)  // read input
            6B4C | B8       : cp   b
            6B4D | 47       : ld   b,a
            6B4E | 28 F9    : jr   z,$6B49
            6B50 | FE FD    : cp   $FD
            6B52 | 20 01    : jr   nz,$6B55
            6B54 | 35       : dec  (hl)       // decrease code -01
            6B55 | FE FE    : cp   $FE
            6B57 | 20 01    : jr   nz,$6B5A
            6B59 | 34       : inc  (hl)       // increase code +01
            6B5A | FE FB    : cp   $FB
            6B5C | 20 04    : jr   nz,$6B62
            6B5E | 3E F0    : ld   a,$F0      // decrease code -10
            6B60 | 18 06    : jr   $6B68
            6B62 | FE F7    : cp   $F7
            6B64 | 20 05    : jr   nz,$6B6B
            6B66 | 3E 10    : ld   a,$10      // increase code +10
            6B68 | 86       : add  a,(hl)
            6B69 | 77       : ld   (hl),a
            6B6A | 78       : ld   a,b
            6B6B | FE EF    : cp   $EF
            6B6D | 20 03    : jr   nz,$6B72
            6B6F | 7E       : ld   a,(hl)     // play sound
            6B70 | 18 06    : jr   $6B78
            6B72 | FE DF    : cp   $DF
            6B74 | 20 05    : jr   nz,$6B7B
            6B76 | 3E 30    : ld   a,$30      // stop sound
            6B78 | 32 00 C8 : ld   ($C800),a  // send sound code
            6B7B | 18 CC    : jr   $6B49
            -->
            <action>audiocpu.mb@0061 = 11  </action> <!-- change sound code 0x80 to 0x11 -->
            <action>audiocpu.mw@0419 = 8418</action> <!-- stop sfx and music at the same time -->
        </script>
        <script state="run">
            <output format="----- vulgus 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@E100</argument>
            </output>
        </script>
        <script state="off">
            <action> maincpu.md@02C2 = FF36573D        </action>
            <action> maincpu.mq@6B40 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B48 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B50 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B58 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B60 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B68 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B70 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B78 = FFFFFFFFFFFFFFFF</action>
            <action>audiocpu.mb@0061 = 80              </action>
            <action>audiocpu.mw@0419 = 21FD            </action>
        </script>
    </cheat>

</mamecheat>
mach9.xml

Code: Select all

<!-- Mach-9 (bootleg of Vulgus) -->
<mamecheat version="1">

    <cheat desc="no hit">
        <script state="on">
            <action>maincpu.mb@4242 = C9</action>
        </script>
        <script state="off">
            <action>maincpu.mb@4242 = C0</action>
        </script>
    </cheat>

    <cheat desc="auto fire">
        <script state="on">
            <action>maincpu.mq@1BA6 = C010FE10E61ABBCD</action>
            <!--
            1D56 | CD BB 1A : call $1ABB
            1D59 | E6 10    : and  $10
            1D5B | FE 10    : cp   $10
            -->
        </script>
        <script state="off">
            <action>maincpu.mq@1BA6 = C003FE07E6E00C3A</action>
        </script>
    </cheat>

    <cheat desc="player speed">
        <parameter>
            <item value="0x0080">01 (slow)</item>
            <item value="0x0100">02       </item>
            <item value="0x0200">03       </item>
            <item value="0x0300">04       </item>
            <item value="0x0400">05 (fast)</item>
        </parameter>
        <script state="change">
            <action>maincpu.mw@19C2 = -param</action> <!-- down -->
            <action>maincpu.mw@19C9 = -param</action> <!-- lower-left/right -->
            <action>maincpu.mw@19CE =  param</action> <!-- up -->
            <action>maincpu.mw@19D5 =  param</action> <!-- upper-left/right -->
            <action>maincpu.mw@1A12 = -param</action> <!-- left -->
            <action>maincpu.mw@1A34 =  param</action> <!-- right -->
        </script>
        <script state="off">
            <action>maincpu.mw@19C2 = FE80</action>
            <action>maincpu.mw@19C9 = FF00</action>
            <action>maincpu.mw@19CE = 0180</action>
            <action>maincpu.mw@19D5 = 0100</action>
            <action>maincpu.mw@1A12 = FF00</action>
            <action>maincpu.mw@1A34 = 0100</action>
        </script>
    </cheat>

    <cheat desc="bullet speed">
        <parameter>
            <item value="0x0100">01 (slow)</item>
            <item value="0x0500">02       </item>
            <item value="0x0700">03       </item>
            <item value="0x0900">04       </item>
            <item value="0x0b00">05 (fast)</item>
        </parameter>
        <script state="change">
            <action>maincpu.mw@1B46 = param</action>
            <action>maincpu.mw@1C31 = param</action>
        </script>
        <script state="off">
            <action>maincpu.mw@1B46 = 0500</action>
            <action>maincpu.mw@1C31 = 0500</action>
        </script>
    </cheat>

    <cheat desc="sound test mode">
        <comment>reset the game (F3) to enter sound test mode</comment>
        <script state="on">
            <action>maincpu.md@02C2 = FF6B90C3        </action>
            <action>maincpu.mq@6B90 = 0021E00522020221</action>
            <action>maincpu.mq@6B98 = F92847B8C0013AE1</action>
            <action>maincpu.mq@6BA0 = 20FEFE350120FDFE</action>
            <action>maincpu.mq@6BA8 = F03E0420FBFE3401</action>
            <action>maincpu.mq@6BB0 = 103E0520F7FE0618</action>
            <action>maincpu.mq@6BB8 = 7E0320EFFE787786</action>
            <action>maincpu.mq@6BC0 = 303E0520DFFE0618</action>
            <action>maincpu.mq@6BC8 = FFFFFFCC18C80032</action>
            <!--
            6B90 | 21 02 02 : ld   hl,$0202
            6B93 | 22 05 E0 : ld   ($E005),hl
            6B96 | 21 00 E1 : ld   hl,$E100   // sound code address
            6B99 | 3A 01 C0 : ld   a,($C001)  // read input
            6B9C | B8       : cp   b
            6B9D | 47       : ld   b,a
            6B9E | 28 F9    : jr   z,$6B99
            6BA0 | FE FD    : cp   $FD
            6BA2 | 20 01    : jr   nz,$6BA5
            6BA4 | 35       : dec  (hl)       // decrease code -01
            6BA5 | FE FE    : cp   $FE
            6BA7 | 20 01    : jr   nz,$6BAA
            6BA9 | 34       : inc  (hl)       // increase code +01
            6BAA | FE FB    : cp   $FB
            6BAC | 20 04    : jr   nz,$6BB2
            6BAE | 3E F0    : ld   a,$F0      // decrease code -10
            6BB0 | 18 06    : jr   $6BB8
            6BB2 | FE F7    : cp   $F7
            6BB4 | 20 05    : jr   nz,$6BBB
            6BB6 | 3E 10    : ld   a,$10      // increase code +10
            6BB8 | 86       : add  a,(hl)
            6BB9 | 77       : ld   (hl),a
            6BBA | 78       : ld   a,b
            6BBB | FE EF    : cp   $EF
            6BBD | 20 03    : jr   nz,$6BC2
            6BBF | 7E       : ld   a,(hl)     // play sound
            6BC0 | 18 06    : jr   $6BC8
            6BC2 | FE DF    : cp   $DF
            6BC4 | 20 05    : jr   nz,$6BCB
            6BC6 | 3E 30    : ld   a,$30      // stop sound
            6BC8 | 32 00 C8 : ld   ($C800),a  // send sound code
            6BCB | 18 CC    : jr   $6B99
            -->
            <action>audiocpu.mb@0061 = 11  </action> <!-- change sound code 0x80 to 0x11 -->
            <action>audiocpu.mw@0419 = 8418</action> <!-- stop sfx and music at the same time -->
        </script>
        <script state="run">
            <output format="----- mach-9 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@E100</argument>
            </output>
        </script>
        <script state="off">
            <action> maincpu.md@02C2 = FF36573D        </action>
            <action> maincpu.mq@6B90 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6B98 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6BA0 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6BA8 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6BB0 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6BB8 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6BC0 = FFFFFFFFFFFFFFFF</action>
            <action> maincpu.mq@6BC8 = FFFFFFFFFFFFFFFF</action>
            <action>audiocpu.mb@0061 = 80              </action>
            <action>audiocpu.mw@0419 = 21FD            </action>
        </script>
    </cheat>

</mamecheat>
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