Micro Machines 2: Turbo Tournament (Game Gear)

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Checksum Test#

Passed	Failed

Hold Up + 1 + 2 when powering on the system and after the Sega logo the game will perform a ROM checksum test. Once it's complete, the ROM checksum along with the game's build date (in DDMMYY format) and time will be shown. If the checksum test passes, a smiley face on a green background will be displayed. If the checksum test fails, the game will display a dead face on a red background and play a constant buzzing tone.

Hidden Credits?#

Present in the ROM at 0x47A62 are what seems to be a couple of hidden credits. These can also be found in the previous game.

JON THE PROGRAMMERS' - SQUINKY
BIG RED S CO.

Uncompiled Source#

A few bits of assembler are spread throughout the ROM.

0x2C:

                   *6
    LD  C,4

                784C+#380+#C0

         D  DE,40*7
    LD  C,40
    CALL    OUT_TEXTWIN
    ;
    RET








TXT_2ON1    SVA #784C+#380
    LD  DE,40*8
    LD  C,40
    CALL    OUT_TEXTWIN
    ;
    SVA #784C+#38

0x7E86:

                NAME1
    CALL    OUT_LINE
    LD  HL,#7A4E+#40+20
    LD  DE,BNAME2
    CALL    OUT_LINE
    RET
    ;
$DOUBLES    LD  HL,#7A4E+#00-2
    LD  DE,BNAME1
    CALL    OUT_LINE
    LD  HL,#7A4E+#40-2
    LD  DE,BNAME2
    CALL    OUT_LINE
    ;
    LD  HL,#7A4E+#00+20
    LD  DE,BNAME3
    CALL    OUT_LINE