Emulator Cheats

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

[skyalert] Sky Alert

http://www.mamecheat.co.uk/forums/viewtopic.php?t=13044

Page 1 of 1

[skyalert] Sky Alert

Posted: Fri Nov 19, 2021 1:32 pm
by jman

Code: Select all

<cheat desc="no hit">
    <script state="on">
        <action>maincpu.mb@17243 = be</action> <!-- main objects -->
        <action>maincpu.mb@0b09f = be</action> <!-- blue enemy in stage 3 -->
        <action>maincpu.mb@0b457 = be</action> <!-- blue enemy in stage 7 -->
    </script>
    <script state="off">
        <action>maincpu.mb@17243 = c0</action>
        <action>maincpu.mb@0b09f = c0</action>
        <action>maincpu.mb@0b457 = c0</action>
    </script>
</cheat>

<cheat desc="P1 auto fire">
    <script state="on">
        <action>maincpu.mb@05d0d =   02</action> <!-- laser -->
        <action>maincpu.mw@05ee0 = 0002</action> <!-- ring -->
        <action>maincpu.mw@0612a = 0002</action> <!-- way -->
        <action>maincpu.mb@0638d =   02</action> <!-- missile -->
    </script>
    <script state="off">
        <action>maincpu.mb@05d0d =   aa</action>
        <action>maincpu.mw@05ee0 = 0124</action>
        <action>maincpu.mw@0612a = 0132</action>
        <action>maincpu.mb@0638d =   da</action>
    </script>
</cheat>

<cheat desc="P2 auto fire">
    <script state="on">
        <action>maincpu.mb@05d25 =   02</action> <!-- laser -->
        <action>maincpu.mw@05efa = 0002</action> <!-- ring -->
        <action>maincpu.mw@06144 = 0002</action> <!-- way -->
        <action>maincpu.mb@063b5 =   02</action> <!-- missile -->
    </script>
    <script state="off">
        <action>maincpu.mb@05d25 =   92</action>
        <action>maincpu.mw@05efa = 010a</action>
        <action>maincpu.mw@06144 = 0118</action>
        <action>maincpu.mb@063b5 =   b2</action>
    </script>
</cheat>

<cheat desc="player speed">
    <parameter>
        <item value="0x01">01 (slow)</item>
        <item value="0x03">02       </item>
        <item value="0x06">03       </item>
        <item value="0x09">04       </item>
        <item value="0x0c">05 (fast)</item>
    </parameter>
    <script state="on">
        <action>maincpu.md@05118 =         00033400</action>
        <action>maincpu.mq@33400 = 70001028000c673a</action>
        <action>maincpu.mq@33408 = 5340e14843f90002</action>
        <action>maincpu.mq@33410 = a3c0d3c070001028</action>
        <action>maincpu.mq@33418 = 000de748d3c07000</action>
        <action>maincpu.mq@33420 = 1028000f02400003</action>
        <action>maincpu.mq@33428 = e348123100006114</action>
        <action>maincpu.mq@33430 = d368000412310001</action>
        <action>maincpu.mq@33438 = 610ad36800025228</action>
        <action>maincpu.mq@33440 = 000f4e750c28000b</action>
        <action>maincpu.mq@33448 = 0009670c74004a01</action>
        <action>maincpu.mq@33450 = 67066a0244021202</action>
        <action>maincpu.mq@33458 = 48814e7500000000</action>
        <!--
        33400 | 7000           : moveq  #$0,D0
        33402 | 1028 000c      : move.b ($c,A0),D0
        33406 | 673a           : beq    $33442
        33408 | 5340           : subq.w #1,D0
        3340a | e148           : lsl.w  #8,D0
        3340c | 43f9 0002 a3c0 : lea    $2a3c0.l,A1
        33412 | d3c0           : adda.l D0,A1
        33414 | 7000           : moveq  #$0,D0
        33416 | 1028 000d      : move.b ($d,A0),D0
        3341a | e748           : lsl.w  #3,D0
        3341c | d3c0           : adda.l D0,A1
        3341e | 7000           : moveq  #$0,D0
        33420 | 1028 000f      : move.b ($f,A0),D0
        33424 | 0240 0003      : andi.w #$3,D0
        33428 | e348           : lsl.w  #1,D0
        3342a | 1231 0000      : move.b (A1,D0.w),D1
        3342e | 6114           : bsr    $33444
        33430 | d368 0004      : add.w  D1,($4,A0)
        33434 | 1231 0001      : move.b ($1,A1,D0.w),D1
        33438 | 610a           : bsr    $33444
        3343a | d368 0002      : add.w  D1,($2,A0)
        3343e | 5228 000f      : addq.b #1,($f,A0)
        33442 | 4e75           : rts
        33444 | 0c28 000b 0009 : cmpi.b #$b,($9,A0)
        3344a | 670c           : beq    $33458
        3344c | 74xx           : moveq  #$xx,D2
        3344e | 4a01           : tst.b  D1
        33450 | 6706           : beq    $33458
        33452 | 6a02           : bpl    $33456
        33454 | 4402           : neg.b  D2
        33456 | 1202           : move.b D2,D1
        33458 | 4881           : ext.w  D1
        3345a | 4e75           : rts
        -->
    </script>
    <script state="change">
        <action>maincpu.mb@3344d = param</action>
    </script>
    <script state="off">
        <action>maincpu.md@05118 =         00017554</action>
        <action>maincpu.mq@33400 = 0000000000000000</action>
        <action>maincpu.mq@33408 = 0000000000000000</action>
        <action>maincpu.mq@33410 = 0000000000000000</action>
        <action>maincpu.mq@33418 = 0000000000000000</action>
        <action>maincpu.mq@33420 = 0000000000000000</action>
        <action>maincpu.mq@33428 = 0000000000000000</action>
        <action>maincpu.mq@33430 = 0000000000000000</action>
        <action>maincpu.mq@33438 = 0000000000000000</action>
        <action>maincpu.mq@33440 = 0000000000000000</action>
        <action>maincpu.mq@33448 = 0000000000000000</action>
        <action>maincpu.mq@33450 = 0000000000000000</action>
        <action>maincpu.mq@33458 = 0000000000000000</action>
    </script>
</cheat>

<cheat desc="bullet speed">
    <parameter>
        <item value="0x02">01 (slow)</item>
        <item value="0x06">02       </item>
        <item value="0x0a">03       </item>
        <item value="0x0e">04       </item>
        <item value="0x12">05 (fast)</item>
    </parameter>
    <script state="on">
        <action>maincpu.md@066e8 =         00033460</action> <!-- laser -->
        <action>maincpu.md@069c4 =         00033460</action> <!-- ring -->
        <action>maincpu.md@06e5a =         00033460</action> <!-- way -->
        <action>maincpu.md@07190 =         00033460</action> <!-- missile -->
        <action>maincpu.mq@33460 = 70001028000c6746</action>
        <action>maincpu.mq@33468 = 5340e14843f90002</action>
        <action>maincpu.mq@33470 = a3c0d3c070001028</action>
        <action>maincpu.mq@33478 = 000de748d3c07000</action>
        <action>maincpu.mq@33480 = 1028000f02400003</action>
        <action>maincpu.mq@33488 = e348123100004881</action>
        <action>maincpu.mq@33490 = d368000412310001</action>
        <action>maincpu.mq@33498 = 74004a0167066a02</action>
        <action>maincpu.mq@334a0 = 440212024881d368</action>
        <action>maincpu.mq@334a8 = 00025228000f4e75</action>
        <!--
        33460 | 7000           : moveq  #$0,D0
        33462 | 1028 000c      : move.b ($c,A0),D0
        33466 | 6746           : beq    $334ae
        33468 | 5340           : subq.w #1,D0
        3346a | e148           : lsl.w  #8,D0
        3346c | 43f9 0002 a3c0 : lea    $2a3c0.l,A1
        33472 | d3c0           : adda.l D0,A1
        33474 | 7000           : moveq  #$0,D0
        33476 | 1028 000d      : move.b ($d,A0),D0
        3347a | e748           : lsl.w  #3,D0
        3347c | d3c0           : adda.l D0,A1
        3347e | 7000           : moveq  #$0,D0
        33480 | 1028 000f      : move.b ($f,A0),D0
        33484 | 0240 0003      : andi.w #$3,D0
        33488 | e348           : lsl.w  #1,D0
        3348a | 1231 0000      : move.b (A1,D0.w),D1
        3348e | 4881           : ext.w  D1
        33490 | d368 0004      : add.w  D1,($4,A0)
        33494 | 1231 0001      : move.b ($1,A1,D0.w),D1
        33498 | 74xx           : moveq  #$xx,D2
        3349a | 4a01           : tst.b  D1
        3349c | 6706           : beq    $334a4
        3349e | 6a02           : bpl    $334a2
        334a0 | 4402           : neg.b  D2
        334a2 | 1202           : move.b D2,D1
        334a4 | 4881           : ext.w  D1
        334a6 | d368 0002      : add.w  D1,($2,A0)
        334aa | 5228 000f      : addq.b #1,($f,A0)
        334ae | 4e75           : rts
        -->
    </script>
    <script state="change">
        <action>maincpu.mb@33499 = param</action>
    </script>
    <script state="off">
        <action>maincpu.md@066e8 =         00017554</action>
        <action>maincpu.md@069c4 =         00017554</action>
        <action>maincpu.md@06e5a =         00017554</action>
        <action>maincpu.md@07190 =         00017554</action>
        <action>maincpu.mq@33460 = 0000000000000000</action>
        <action>maincpu.mq@33468 = 0000000000000000</action>
        <action>maincpu.mq@33470 = 0000000000000000</action>
        <action>maincpu.mq@33478 = 0000000000000000</action>
        <action>maincpu.mq@33480 = 0000000000000000</action>
        <action>maincpu.mq@33488 = 0000000000000000</action>
        <action>maincpu.mq@33490 = 0000000000000000</action>
        <action>maincpu.mq@33498 = 0000000000000000</action>
        <action>maincpu.mq@334a0 = 0000000000000000</action>
        <action>maincpu.mq@334a8 = 0000000000000000</action>
    </script>
</cheat>

<cheat desc="P1 max bullets up">
    <script state="on">
        <action>maincpu.mb@5d15 = 06</action> <!-- laser -->
        <action>maincpu.mb@5ee9 = 06</action> <!-- ring -->
        <action>maincpu.mb@6133 = 06</action> <!-- way -->
        <action>maincpu.mb@639b = 16</action> <!-- missile -->
    </script>
    <script state="off">
        <action>maincpu.mb@5d15 = 03</action>
        <action>maincpu.mb@5ee9 = 03</action>
        <action>maincpu.mb@6133 = 03</action>
        <action>maincpu.mb@639b = 0b</action>
    </script>
</cheat>

<cheat desc="P2 max bullets up">
    <script state="on">
        <action>maincpu.mb@5d2d = 06</action> <!-- laser -->
        <action>maincpu.mb@5f03 = 06</action> <!-- ring -->
        <action>maincpu.mb@614d = 06</action> <!-- way -->
        <action>maincpu.mb@63c3 = 16</action> <!-- missile -->
    </script>
    <script state="off">
        <action>maincpu.mb@5d2d = 03</action>
        <action>maincpu.mb@5f03 = 03</action>
        <action>maincpu.mb@614d = 03</action>
        <action>maincpu.mb@63c3 = 0b</action>
    </script>
</cheat>

<cheat desc="sound test mode">
    <comment>reset the game (F3) to enter sound test mode</comment>
    <script state="on">
        <action>maincpu.mq@00652 = 4ef9000331704e71</action>
        <action>maincpu.mq@33170 = 41f900c0c00043f9</action>
        <action>maincpu.mq@33178 = 00c0e04614011239</action>
        <action>maincpu.mq@33180 = 00400007b40167f4</action>
        <action>maincpu.mq@33188 = 0c0100fb66025310</action>
        <action>maincpu.mq@33190 = 0c0100f766025210</action>
        <action>maincpu.mq@33198 = 0c0100fd66040410</action>
        <action>maincpu.mq@331a0 = 00100c0100fe6604</action>
        <action>maincpu.mq@331a8 = 061000100c0100ef</action>
        <action>maincpu.mq@331b0 = 660a12bc00fe1350</action>
        <action>maincpu.mq@331b8 = 0001600a0c0100df</action>
        <action>maincpu.mq@331c0 = 660812bc00fa4eb8</action>
        <action>maincpu.mq@331c8 = 119860b000000000</action>
        <!--
        33170 | 41f9 00c0 c000 : lea    $c0c000.l,A0 // sound code address
        33176 | 43f9 00c0 e046 : lea    $c0e046.l,A1 // sound status address
        3317c | 1401           : move.b D1,D2
        3317e | 1239 0040 0007 : move.b $400007.l,D1 // read input
        33184 | b401           : cmp.b  D1,D2
        33186 | 67f4           : beq    $3317c
        33188 | 0c01 00fb      : cmpi.b #-$5,D1
        3318c | 6602           : bne    $33190
        3318e | 5310           : subq.b #1,(A0)      // decrease code -01
        33190 | 0c01 00f7      : cmpi.b #-$9,D1
        33194 | 6602           : bne    $33198
        33196 | 5210           : addq.b #1,(A0)      // increase code +01
        33198 | 0c01 00fd      : cmpi.b #-$3,D1
        3319c | 6604           : bne    $331a2
        3319e | 0410 0010      : subi.b #$10,(A0)    // decrease code -10
        331a2 | 0c01 00fe      : cmpi.b #-$2,D1
        331a6 | 6604           : bne    $331ac
        331a8 | 0610 0010      : addi.b #$10,(A0)    // increase code +10
        331ac | 0c01 00ef      : cmpi.b #-$11,D1
        331b0 | 660a           : bne    $331bc
        331b2 | 12bc 00fe      : move.b #$fe,(A1)    // play sound
        331b6 | 1350 0001      : move.b (A0),($1,A1)
        331ba | 600a           : bra    $331c6
        331bc | 0c01 00df      : cmpi.b #-$21,D1
        331c0 | 6608           : bne    $331ca
        331c2 | 12bc 00fa      : move.b #$fa,(A1)    // stop sound
        331c6 | 4eb8 1198      : jsr    $1198.w
        331ca | 60b0           : bra    $3317c
        -->
    </script>
    <script state="run">
        <output format="----- sky alert 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="up : increase code +10"                line="13" align="center" />
        <output format="down : decrease 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@c0c000</argument>
        </output>
    </script>
    <script state="off">
        <action>maincpu.mq@00652 = 0839000700c0e000</action>
        <action>maincpu.mq@33170 = 0000000000000000</action>
        <action>maincpu.mq@33178 = 0000000000000000</action>
        <action>maincpu.mq@33180 = 0000000000000000</action>
        <action>maincpu.mq@33188 = 0000000000000000</action>
        <action>maincpu.mq@33190 = 0000000000000000</action>
        <action>maincpu.mq@33198 = 0000000000000000</action>
        <action>maincpu.mq@331a0 = 0000000000000000</action>
        <action>maincpu.mq@331a8 = 0000000000000000</action>
        <action>maincpu.mq@331b0 = 0000000000000000</action>
        <action>maincpu.mq@331b8 = 0000000000000000</action>
        <action>maincpu.mq@331c0 = 0000000000000000</action>
        <action>maincpu.mq@331c8 = 0000000000000000</action>
    </script>
</cheat>

[skyalert] Sky Alert

Posted: Thu Nov 23, 2023 9:11 am
by jman

Code: Select all

<!-- Sky Alert -->
<mamecheat version="1">

    <cheat desc="no hit">
        <script state="on">
            <action>maincpu.mb@0B09F = BE</action> <!-- blue enemy in stage 3 -->
            <action>maincpu.mb@0B457 = BE</action> <!-- blue enemy in stage 7 -->
            <action>maincpu.mb@17243 = BE</action> <!-- main objects -->
        </script>
        <script state="off">
            <action>maincpu.mb@0B09F = C0</action>
            <action>maincpu.mb@0B457 = C0</action>
            <action>maincpu.mb@17243 = C0</action>
        </script>
    </cheat>

    <cheat desc="auto fire">
        <script state="on">
            <!-- P1 -->
            <action>maincpu.mw@5D0C = 0002</action> <!-- laser -->
            <action>maincpu.mw@5EE0 = 0002</action> <!-- ring -->
            <action>maincpu.mw@612A = 0002</action> <!-- multi way -->
            <action>maincpu.mw@638C = 0002</action> <!-- missile -->
            <!-- P2 -->
            <action>maincpu.mw@5D24 = 0002</action> <!-- laser -->
            <action>maincpu.mw@5EFA = 0002</action> <!-- ring -->
            <action>maincpu.mw@6144 = 0002</action> <!-- multi way -->
            <action>maincpu.mw@63B4 = 0002</action> <!-- missile -->
        </script>
        <script state="off">
            <action>maincpu.mw@5D0C = 00AA</action>
            <action>maincpu.mw@5EE0 = 0124</action>
            <action>maincpu.mw@612A = 0132</action>
            <action>maincpu.mw@638C = 00DA</action>
            <action>maincpu.mw@5D24 = 0092</action>
            <action>maincpu.mw@5EFA = 010A</action>
            <action>maincpu.mw@6144 = 0118</action>
            <action>maincpu.mw@63B4 = 00B2</action>
        </script>
    </cheat>

    <cheat desc="player speed">
        <parameter>
            <item value="0x01">01 (slow)</item>
            <item value="0x03">02       </item>
            <item value="0x06">03       </item>
            <item value="0x09">04       </item>
            <item value="0x0c">05 (fast)</item>
        </parameter>
        <script state="on">
            <action>maincpu.md@05118 = 00033400        </action>
            <action>maincpu.mq@33400 = 70001028000C673A</action>
            <action>maincpu.mq@33408 = 5340E14843F90002</action>
            <action>maincpu.mq@33410 = A3C0D3C070001028</action>
            <action>maincpu.mq@33418 = 000DE748D3C07000</action>
            <action>maincpu.mq@33420 = 1028000F02400003</action>
            <action>maincpu.mq@33428 = E348123100006114</action>
            <action>maincpu.mq@33430 = D368000412310001</action>
            <action>maincpu.mq@33438 = 610AD36800025228</action>
            <action>maincpu.mq@33440 = 000F4E750C28000B</action>
            <action>maincpu.mq@33448 = 0009670C74004A01</action>
            <action>maincpu.mq@33450 = 67066A0244021202</action>
            <action>maincpu.mq@33458 = 48814E7500000000</action>
            <!--
            33400 | 7000           : moveq   #$0, D0
            33402 | 1028 000C      : move.b  ($c,A0), D0
            33406 | 673A           : beq     $33442
            33408 | 5340           : subq.w  #1, D0
            3340A | E148           : lsl.w   #8, D0
            3340C | 43F9 0002 A3C0 : lea     $2a3c0.l, A1
            33412 | D3C0           : adda.l  D0, A1
            33414 | 7000           : moveq   #$0, D0
            33416 | 1028 000D      : move.b  ($d,A0), D0
            3341A | E748           : lsl.w   #3, D0
            3341C | D3C0           : adda.l  D0, A1
            3341E | 7000           : moveq   #$0, D0
            33420 | 1028 000F      : move.b  ($f,A0), D0
            33424 | 0240 0003      : andi.w  #$3, D0
            33428 | E348           : lsl.w   #1, D0
            3342A | 1231 0000      : move.b  (A1,D0.w), D1
            3342E | 6114           : bsr     $33444
            33430 | D368 0004      : add.w   D1, ($4,A0)
            33434 | 1231 0001      : move.b  ($1,A1,D0.w), D1
            33438 | 610A           : bsr     $33444
            3343A | D368 0002      : add.w   D1, ($2,A0)
            3343E | 5228 000F      : addq.b  #1, ($f,A0)
            33442 | 4E75           : rts
            33444 | 0C28 000B 0009 : cmpi.b  #$b, ($9,A0)
            3344A | 670C           : beq     $33458
            3344C | 74xx           : moveq   #$xx, D2
            3344E | 4A01           : tst.b   D1
            33450 | 6706           : beq     $33458
            33452 | 6A02           : bpl     $33456
            33454 | 4402           : neg.b   D2
            33456 | 1202           : move.b  D2, D1
            33458 | 4881           : ext.w   D1
            3345A | 4E75           : rts
            -->
        </script>
        <script state="change">
            <action>maincpu.mb@3344D = param</action>
        </script>
        <script state="off">
            <action>maincpu.md@05118 = 00017554        </action>
            <action>maincpu.mq@33400 = 0000000000000000</action>
            <action>maincpu.mq@33408 = 0000000000000000</action>
            <action>maincpu.mq@33410 = 0000000000000000</action>
            <action>maincpu.mq@33418 = 0000000000000000</action>
            <action>maincpu.mq@33420 = 0000000000000000</action>
            <action>maincpu.mq@33428 = 0000000000000000</action>
            <action>maincpu.mq@33430 = 0000000000000000</action>
            <action>maincpu.mq@33438 = 0000000000000000</action>
            <action>maincpu.mq@33440 = 0000000000000000</action>
            <action>maincpu.mq@33448 = 0000000000000000</action>
            <action>maincpu.mq@33450 = 0000000000000000</action>
            <action>maincpu.mq@33458 = 0000000000000000</action>
        </script>
    </cheat>

    <cheat desc="bullet speed">
        <parameter>
            <item value="0x02">01 (slow)</item>
            <item value="0x06">02       </item>
            <item value="0x0a">03       </item>
            <item value="0x0e">04       </item>
            <item value="0x12">05 (fast)</item>
        </parameter>
        <script state="on">
            <action>maincpu.md@066E8 = 00033460        </action> <!-- laser -->
            <action>maincpu.md@069C4 = 00033460        </action> <!-- ring -->
            <action>maincpu.md@06E5A = 00033460        </action> <!-- way -->
            <action>maincpu.md@07190 = 00033460        </action> <!-- missile -->
            <action>maincpu.mq@33460 = 70001028000C6746</action>
            <action>maincpu.mq@33468 = 5340E14843F90002</action>
            <action>maincpu.mq@33470 = A3C0D3C070001028</action>
            <action>maincpu.mq@33478 = 000DE748D3C07000</action>
            <action>maincpu.mq@33480 = 1028000F02400003</action>
            <action>maincpu.mq@33488 = E348123100004881</action>
            <action>maincpu.mq@33490 = D368000412310001</action>
            <action>maincpu.mq@33498 = 74004A0167066A02</action>
            <action>maincpu.mq@334A0 = 440212024881D368</action>
            <action>maincpu.mq@334A8 = 00025228000F4E75</action>
            <!--
            33460 | 7000           : moveq   #$0, D0
            33462 | 1028 000C      : move.b  ($c,A0), D0
            33466 | 6746           : beq     $334ae
            33468 | 5340           : subq.w  #1, D0
            3346A | E148           : lsl.w   #8, D0
            3346C | 43F9 0002 A3C0 : lea     $2a3c0.l, A1
            33472 | D3C0           : adda.l  D0, A1
            33474 | 7000           : moveq   #$0, D0
            33476 | 1028 000D      : move.b  ($d,A0), D0
            3347A | E748           : lsl.w   #3, D0
            3347C | D3C0           : adda.l  D0, A1
            3347E | 7000           : moveq   #$0, D0
            33480 | 1028 000F      : move.b  ($f,A0), D0
            33484 | 0240 0003      : andi.w  #$3, D0
            33488 | E348           : lsl.w   #1, D0
            3348A | 1231 0000      : move.b  (A1,D0.w), D1
            3348E | 4881           : ext.w   D1
            33490 | D368 0004      : add.w   D1, ($4,A0)
            33494 | 1231 0001      : move.b  ($1,A1,D0.w), D1
            33498 | 74xx           : moveq   #$xx, D2
            3349A | 4A01           : tst.b   D1
            3349C | 6706           : beq     $334a4
            3349E | 6A02           : bpl     $334a2
            334A0 | 4402           : neg.b   D2
            334A2 | 1202           : move.b  D2, D1
            334A4 | 4881           : ext.w   D1
            334A6 | D368 0002      : add.w   D1, ($2,A0)
            334AA | 5228 000F      : addq.b  #1, ($f,A0)
            334AE | 4E75           : rts
            -->
        </script>
        <script state="change">
            <action>maincpu.mb@33499 = param</action>
        </script>
        <script state="off">
            <action>maincpu.md@066E8 = 00017554        </action>
            <action>maincpu.md@069C4 = 00017554        </action>
            <action>maincpu.md@06E5A = 00017554        </action>
            <action>maincpu.md@07190 = 00017554        </action>
            <action>maincpu.mq@33460 = 0000000000000000</action>
            <action>maincpu.mq@33468 = 0000000000000000</action>
            <action>maincpu.mq@33470 = 0000000000000000</action>
            <action>maincpu.mq@33478 = 0000000000000000</action>
            <action>maincpu.mq@33480 = 0000000000000000</action>
            <action>maincpu.mq@33488 = 0000000000000000</action>
            <action>maincpu.mq@33490 = 0000000000000000</action>
            <action>maincpu.mq@33498 = 0000000000000000</action>
            <action>maincpu.mq@334A0 = 0000000000000000</action>
            <action>maincpu.mq@334A8 = 0000000000000000</action>
        </script>
    </cheat>

    <cheat desc="max bullets up">
        <script state="on">
            <!-- P1 -->
            <action>maincpu.mb@5D15 = 06</action> <!-- laser -->
            <action>maincpu.mb@5EE9 = 06</action> <!-- ring -->
            <action>maincpu.mb@6133 = 06</action> <!-- multi way -->
            <action>maincpu.mb@639B = 16</action> <!-- missile -->
            <!-- P2 -->
            <action>maincpu.mb@5D2D = 06</action> <!-- laser -->
            <action>maincpu.mb@5F03 = 06</action> <!-- ring -->
            <action>maincpu.mb@614D = 06</action> <!-- multi way -->
            <action>maincpu.mb@63C3 = 16</action> <!-- missile -->
        </script>
        <script state="off">
            <action>maincpu.mb@5D15 = 03</action>
            <action>maincpu.mb@5EE9 = 03</action>
            <action>maincpu.mb@6133 = 03</action>
            <action>maincpu.mb@639B =  B</action>
            <action>maincpu.mb@5D2D = 03</action>
            <action>maincpu.mb@5F03 = 03</action>
            <action>maincpu.mb@614D = 03</action>
            <action>maincpu.mb@63C3 =  B</action>
        </script>
    </cheat>

    <cheat desc="short hit mark - main shot (test)">
        <script state="on">
            <action>maincpu.md@06776 = 000334B0        </action> <!-- laser -->
            <action>maincpu.md@06A5A = 000334B4        </action> <!-- ring -->
            <action>maincpu.md@06EEA = 000334B8        </action> <!-- multi way -->
            <action>maincpu.md@07220 = 000334BC        </action> <!-- missile -->
            <action>maincpu.mq@334B0 = 7204600A72086006</action>
            <action>maincpu.mq@334B8 = 720A60027208B228</action>
            <action>maincpu.mq@334C0 = 00106E0470014E75</action>
            <action>maincpu.mq@334C8 = 4EB90001761A4E75</action>
            <!--
            334B0 | 7204           : moveq   #$4, D1      // laser
            334B2 | 600A           : bra     $334be
            334B4 | 7208           : moveq   #$8, D1      // ring
            334B6 | 6006           : bra     $334be
            334B8 | 720A           : moveq   #$a, D1      // multi way
            334BA | 6002           : bra     $334be
            334BC | 7208           : moveq   #$8, D1      // missile
            334BE | B228 0010      : cmp.b   ($10,A0), D1
            334C2 | 6E04           : bgt     $334c8
            334C4 | 7001           : moveq   #$1, D0
            334C6 | 4E75           : rts
            334C8 | 4EB9 0001 761A : jsr     $1761a.l
            334CE | 4E75           : rts
            -->
        </script>
        <script state="off">
            <action>maincpu.md@06776 = 0001761A        </action>
            <action>maincpu.md@06A5A = 0001761A        </action>
            <action>maincpu.md@06EEA = 0001761A        </action>
            <action>maincpu.md@07220 = 0001761A        </action>
            <action>maincpu.mq@334B0 = 0000000000000000</action>
            <action>maincpu.mq@334B8 = 0000000000000000</action>
            <action>maincpu.mq@334C0 = 0000000000000000</action>
            <action>maincpu.mq@334C8 = 0000000000000000</action>
        </script>
    </cheat>

    <cheat desc="sound test mode">
        <comment>reset the game (F3) to enter sound test mode</comment>
        <script state="on">
            <action>maincpu.mq@00652 = 4EF9000331704E71</action>
            <action>maincpu.mq@33170 = 41F900C0000043F9</action>
            <action>maincpu.mq@33178 = 00C0E04614011239</action>
            <action>maincpu.mq@33180 = 00400007B40167F4</action>
            <action>maincpu.mq@33188 = 0C0100FB66025310</action>
            <action>maincpu.mq@33190 = 0C0100F766025210</action>
            <action>maincpu.mq@33198 = 0C0100FD66040410</action>
            <action>maincpu.mq@331A0 = 00100C0100FE6604</action>
            <action>maincpu.mq@331A8 = 061000100C0100EF</action>
            <action>maincpu.mq@331B0 = 660A12BC00FE1350</action>
            <action>maincpu.mq@331B8 = 0001600A0C0100DF</action>
            <action>maincpu.mq@331C0 = 660812BC00FA4EB8</action>
            <action>maincpu.mq@331C8 = 119860B000000000</action>
            <!--
            33170 | 41F9 00C0 0000 : lea     $c00000.l, A0 // sound code address
            33176 | 43F9 00C0 E046 : lea     $c0e046.l, A1 // sound latch address
            3317C | 1401           : move.b  D1, D2
            3317E | 1239 0040 0007 : move.b  $400007.l, D1 // read input
            33184 | B401           : cmp.b   D1, D2
            33186 | 67F4           : beq     $3317c
            33188 | 0C01 00FB      : cmpi.b  #-$5, D1
            3318C | 6602           : bne     $33190
            3318E | 5310           : subq.b  #1, (A0)      // decrease code -01
            33190 | 0C01 00F7      : cmpi.b  #-$9, D1
            33194 | 6602           : bne     $33198
            33196 | 5210           : addq.b  #1, (A0)      // increase code +01
            33198 | 0C01 00FD      : cmpi.b  #-$3, D1
            3319C | 6604           : bne     $331a2
            3319E | 0410 0010      : subi.b  #$10, (A0)    // decrease code -10
            331A2 | 0C01 00FE      : cmpi.b  #-$2, D1
            331A6 | 6604           : bne     $331ac
            331A8 | 0610 0010      : addi.b  #$10, (A0)    // increase code +10
            331AC | 0C01 00EF      : cmpi.b  #-$11, D1
            331B0 | 660A           : bne     $331bc
            331B2 | 12BC 00FE      : move.b  #$fe, (A1)    // play sound
            331B6 | 1350 0001      : move.b  (A0), ($1,A1)
            331BA | 600A           : bra     $331c6
            331BC | 0C01 00DF      : cmpi.b  #-$21, D1
            331C0 | 6608           : bne     $331ca
            331C2 | 12BC 00FA      : move.b  #$fa, (A1)    // stop sound
            331C6 | 4EB8 1198      : jsr     $1198.w       // send sound code
            331CA | 60B0           : bra     $3317c
            -->
        </script>
        <script state="run">
            <output format="----- sky alert 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@c00000</argument>
            </output>
        </script>
        <script state="off">
            <action>maincpu.mq@00652 = 0839000700C0E000</action>
            <action>maincpu.mq@33170 = 0000000000000000</action>
            <action>maincpu.mq@33178 = 0000000000000000</action>
            <action>maincpu.mq@33180 = 0000000000000000</action>
            <action>maincpu.mq@33188 = 0000000000000000</action>
            <action>maincpu.mq@33190 = 0000000000000000</action>
            <action>maincpu.mq@33198 = 0000000000000000</action>
            <action>maincpu.mq@331A0 = 0000000000000000</action>
            <action>maincpu.mq@331A8 = 0000000000000000</action>
            <action>maincpu.mq@331B0 = 0000000000000000</action>
            <action>maincpu.mq@331B8 = 0000000000000000</action>
            <action>maincpu.mq@331C0 = 0000000000000000</action>
            <action>maincpu.mq@331C8 = 0000000000000000</action>
        </script>
    </cheat>

</mamecheat>
  • "auto fire", "max bullets up" : Merged 2 codes into one.
  • "short hit mark" : Added new as test code.
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