Emulator Cheats

Code: Select all

<cheat desc="keep a ball (test)">
    <comment>sometimes ball slips through block after you fail to receive</comment>
    <script state="on">
        <action>maincpu.md@0da4 =         3e1400c3</action>
        <action>maincpu.mq@1400 = 41393208ee41393a</action>
        <action>maincpu.mq@1408 = 0dadc3413c32ec3e</action>
        <!--
        1400 | 3a 39 41 : lda $4139
        1403 | ee 08    : xri $08
        1405 | 32 39 41 : sta $4139
        1408 | 3e ec    : mvi a,$ec
        140a | 32 3c 41 : sta $413c
        140d | c3 ad 0d : jmp $0dad
        -->
    </script>
    <script state="off">
        <action>maincpu.md@0da4 =         3e0e99cd</action>
        <action>maincpu.mq@1400 = ffffffffffffffff</action>
        <action>maincpu.mq@1408 = ffffffffffffffff</action>
    </script>
</cheat>

Code: Select all

<!-- Space Micon Kit -->
<mamecheat version="1">

    <cheat desc="keep a ball (test)">
        <comment>sometimes ball slips through block after you fail to receive</comment>
        <script state="on">
            <action>maincpu.md@0DA4 = 3E1400C3        </action>
            <action>maincpu.mq@1400 = 41393208EE41393A</action>
            <action>maincpu.mq@1408 = 0DADC3413C32EC3E</action>
            <!--
            1400 | 3A 39 41 : lda  $4139
            1403 | EE 08    : xri  $08
            1405 | 32 39 41 : sta  $4139
            1408 | 3E EC    : mvi  a,$ec
            140A | 32 3C 41 : sta  $413c
            140D | C3 AD 0D : jmp  $0dad
            -->
        </script>
        <script state="off">
            <action>maincpu.md@0DA4 = 3E0E99CD        </action>
            <action>maincpu.mq@1400 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@1408 = FFFFFFFFFFFFFFFF</action>
        </script>
    </cheat>

    <cheat desc="ball speed">
        <parameter>
            <item value="0x01">01 (slow)</item>
            <item value="0x02">02       </item>
            <item value="0x04">03       </item>
            <item value="0x06">04       </item>
            <item value="0x08">05 (fast)</item>
        </parameter>
        <script state="on">
            <action>maincpu.mw@0D30 = 1410            </action> <!-- x position -->
            <action>maincpu.mw@0D37 = 1410            </action> <!-- y position -->
            <action>maincpu.mq@1410 = 3EF8003E08FE0FE6</action>
            <action>maincpu.mq@1418 = FFFFFFFFFFFFC900</action>
            <!--
            1410 | E6 0F : ani  $0f
            1412 | FE 08 : cpi  $08
            1414 | 3E xx : mvi  a,$xx
            1416 | F8    : rm
            1417 | 3E xx : mvi  a,$xx
            1419 | C9    : ret
            -->
        </script>
        <script state="change">
            <action>maincpu.mb@1415 =  param</action>
            <action>maincpu.mb@1418 = -param</action>
        </script>
        <script state="off">
            <action>maincpu.mw@0D30 = 0EBF            </action>
            <action>maincpu.mw@0D37 = 0EBF            </action>
            <action>maincpu.mq@1410 = FFFFFFFFFFFFFFFF</action>
            <action>maincpu.mq@1418 = FFFFFFFFFFFFFFFF</action>
        </script>
    </cheat>

</mamecheat>