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Memory Map

The following is a memory map that was generated based on the MAME source code (.180).  This information is only as accurate as the MAME driver is.  If you see any errors, please let me know what that error is.
 
The Memory Area is related to where the information is from (CPU, Sound Board, etc..), and it may also reflect what it has in common with other hardware.
MTV Rock-N-Roll Trivia (Triumph Software Inc., 1986)
Memory Area:pacman_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384Mirror, ROM0x8000,
0x4000-0x43FF1024Mirror, RAM Write, Shared0xa000, pacman_videoram_w, videoram
0x4400-0x47FF1024Mirror, RAM Write, Shared0xa000, pacman_colorram_w, colorram
0x4800-0x4BFF1024Mirror, Read, Write NOP0xa000, pacman_read_nop,
0x4C00-0x4FEF1008Mirror, RAM0xa000,
0x4FF0-0x4FFF16Mirror, RAM, Shared0xa000, , spriteram
0x50001Mirror, Read Port0xaf3f, IN0
0x0001Joystick UpActive Low
0x0002Joystick LeftActive Low
0x0004Joystick RightActive Low
0x0008Joystick DownActive Low
0x0010UnknownActive Low
0x0020Coin 1Active Low
0x0040Coin 2Active Low
0x0080TiltActive Low
0x50001Mirror, Write0xaf38, irq_mask_w
0x50011Mirror, Device Write0xaf38, namco, namco_device, pacman_sound_enable_w
0x50021Mirror, Write NOP0xaf38,
0x50031Mirror, Write0xaf38, pacman_flipscreen_w
0x5004-0x50052Mirror, Write NOP0xaf38, (// AM_WRITE(pacman_leds_w))
0x50061Mirror, Write NOP0xaf38, (// AM_WRITE(pacman_coin_lockout_global_w))
0x50071Mirror, Write0xaf38, pacman_coin_counter_w
0x50401Mirror, Read Port0xaf3f, IN1
0x0001Joystick UpActive Low
0x0002Joystick LeftActive Low
0x0004Joystick RightActive Low
0x0008Joystick DownActive Low
0x0010UnknownActive Low
0x0020Start 1Active Low
0x0040Start 2Active Low
0x0080UnknownActive Low
0x5040-0x505F32Mirror, Device Write0xaf00, namco, namco_device, pacman_sound_w
0x5060-0x506F16Mirror, Write Only, Shared0xaf00, , spriteram2
0x5070-0x507F16Mirror, Write NOP0xaf00,
0x50801Mirror, Read Port0xaf3f, DSW1
0x00012C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x0000Free_PlayActive High
0x001c2Active High
0x00183Active High
0x00144Active High
0x00105Active High
0x000c6Active High
0x00087Active High
0x00048Active High
0x00009Active High
0x0060BeginnerActive High
0x0040IntermedActive High
0x0020ProActive High
0x0000Super - ProActive High
0x0080OffActive High
0x0000OnActive High
0x50801Mirror, Write NOP0xaf3f,
0x50C01Mirror, Device Write0xaf3f, watchdog, watchdog_timer_device, reset_w
0x50C01Mirror, Read Port0xaf3f, DSW2
0x0001AmusementActive High
0x0000CreditActive High
0x0002UprightActive High
0x0000CocktailActive High
0x0004AutoActive High
0x0000ManualActive High
0x007010000Active High
0x006017500Active High
0x005025000Active High
0x004032500Active High
0x003040000Active High
0x002047500Active High
0x001055000Active High
0x000062500Active High
0x0000OffActive High
0x0080OnActive High
Memory Area:rocktrv2_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x43FF1024RAM Write, Sharedpacman_videoram_w, videoram
0x4400-0x47FF1024RAM Write, Sharedpacman_colorram_w, colorram
0x4C00-0x4FFF1024RAM
0x50001Read PortIN0
0x0001Joystick UpActive Low
0x0002Joystick LeftActive Low
0x0004Joystick RightActive Low
0x0008Joystick DownActive Low
0x0010UnknownActive Low
0x0020Coin 1Active Low
0x0040Coin 2Active Low
0x0080TiltActive Low
0x50001Writeirq_mask_w
0x50011Device Writenamco, namco_device, pacman_sound_enable_w
0x50031Writepacman_flipscreen_w
0x50071Writepacman_coin_counter_w
0x5040-0x507F64Read PortIN1
0x0001Joystick UpActive Low
0x0002Joystick LeftActive Low
0x0004Joystick RightActive Low
0x0008Joystick DownActive Low
0x0010UnknownActive Low
0x0020Start 1Active Low
0x0040Start 2Active Low
0x0080UnknownActive Low
0x5040-0x505F32Device Writenamco, namco_device, pacman_sound_w
0x50801Read PortDSW1
0x00012C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x0000Free_PlayActive High
0x001c2Active High
0x00183Active High
0x00144Active High
0x00105Active High
0x000c6Active High
0x00087Active High
0x00048Active High
0x00009Active High
0x0060BeginnerActive High
0x0040IntermedActive High
0x0020ProActive High
0x0000Super - ProActive High
0x0080OffActive High
0x0000OnActive High
0x50C01Read PortDSW2
0x0001AmusementActive High
0x0000CreditActive High
0x0002UprightActive High
0x0000CocktailActive High
0x0004AutoActive High
0x0000ManualActive High
0x007010000Active High
0x006017500Active High
0x005025000Active High
0x004032500Active High
0x003040000Active High
0x002047500Active High
0x001055000Active High
0x000062500Active High
0x0000OffActive High
0x0080OnActive High
0x50C01Device Writewatchdog, watchdog_timer_device, reset_w
0x5FE0-0x5FE34Write, Sharedrocktrv2_prot_data_w, rocktrv2_prot
0x5FE01Readrocktrv2_prot1_data_r
0x5FE41Readrocktrv2_prot2_data_r
0x5FE81Readrocktrv2_prot3_data_r
0x5FEC1Readrocktrv2_prot4_data_r
0x5FF01Writerocktrv2_question_bank_w
0x5FFF1Read PortDSW2 (/* DSW2 mirrored */)
0x0001AmusementActive High
0x0000CreditActive High
0x0002UprightActive High
0x0000CocktailActive High
0x0004AutoActive High
0x0000ManualActive High
0x007010000Active High
0x006017500Active High
0x005025000Active High
0x004032500Active High
0x003040000Active High
0x002047500Active High
0x001055000Active High
0x000062500Active High
0x0000OffActive High
0x0080OnActive High
0x6000-0x7FFF8192ROM
0x8000-0xFFFF32768Readrocktrv2_question_r
Memory Area:writeport
Address RangeLengthFunctionDescription
0x00001Writepacman_interrupt_vector_w (/* Pac-Man only */)
 

ROM Map for this game

 
This is the ROM map for the game.  This should tell you what address the ROM is at, how big it is, what it's used for.   
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF40965e.cpuCRC(0a6cc43b) (Fluke: A81B)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF163841.auxCRC(d182947b) (Fluke: 6167)
0x6000-0x7FFF81922.auxCRC(27a7461d) (Fluke: 1236)
Memory Area:namco
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF25682s126.1mCRC(a9cc86bf) (Fluke: 71E8)
0x0100-0x01FF25682s126.3mCRC(77245b66),timing - not used (Fluke: E0E5)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F327f.cpuCRC(7549a947) (Fluke: 1E7E)
0x0020-0x011F2564a.cpuCRC(ddd5d88e) (Fluke: 4BF1)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF163843.auxCRC(5b117ca6) (Fluke: CAF0)
0x4000-0x7FFF163844.auxCRC(81bfd4c3) (Fluke: 86A3)
0x8000-0xBFFF163845.auxCRC(e976423c) (Fluke: 046E)
0xC000-0xFFFF163846.auxCRC(425946bf) (Fluke: 0F21)
0x10000-0x13FFF163847.auxCRC(7056fc8f) (Fluke: 4F35)
0x14000-0x17FFF163848.auxCRC(8b86464f) (Fluke: 2B92)
0x18000-0x1BFFF163849.auxCRC(17d8eba4) (Fluke: 56D2)
0x1C000-0x1FFFF1638410.auxCRC(398c8eb4) (Fluke: 76B9)
0x20000-0x23FFF1638411.auxCRC(7f376424) (Fluke: CD55)
0x24000-0x27FFF1638412.auxBAD_DUMP CRC(8d5bbf81) (Fluke: 25B5)
0x28000-0x2BFFF1638413.auxCRC(99fe2c21) (Fluke: 8803)
0x2C000-0x2FFFF1638414.auxCRC(df4cf5e7) (Fluke: 161A)
0x30000-0x33FFF1638415.auxCRC(2a32de26) (Fluke: CD7F)
0x34000-0x37FFF1638416.auxCRC(fcd42187) (Fluke: AB55)
0x38000-0x3BFFF1638417.auxCRC(24d5c388) (Fluke: FF84)
0x3C000-0x3FFFF1638418.auxCRC(feb195fd) (Fluke: BFE6)
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