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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.
Crush Roller (bootleg (Sidam), 1981)
Memory Area:crushs_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
0x0010Service 2Active Low
0x0020Coin 1Active Low
0x0040Coin 2Active Low
0x0080Service 1Active 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
0x5040-0x505F32Mirror, Write NOP0xaf00, (// doesn't use pacman sound hw)
0x5060-0x506F16Mirror, Write Only, Shared0xaf00, , spriteram2
0x5070-0x507F16Mirror, Write NOP0xaf00,
0x50801Mirror, Write NOP0xaf3f,
0x50801Mirror, Read Port0xaf3f, IN1
0x0001Joystick UpActive Low
0x0002Joystick LeftActive Low
0x0004Joystick RightActive Low
0x0008Joystick DownActive Low
0x0010OffActive High
0x0000OnActive High
0x0020Start 1Active Low
0x0040Start 2Active Low
0x50C01Mirror, Device Write0xaf3f, watchdog, watchdog_timer_device, reset_w
Memory Area:crushs_portmap
Address RangeLengthFunctionDescription
0x0000-0x00012Device Writeay8912, ay8912_device, data_address_w
0x00011Read PortDSW2
0x00082C_1CActive High
0x00092C_2CActive High
0x00001C_1CActive High
0x000a2C_3CActive High
0x000b2C_4CActive High
0x00011C_2CActive High
0x000c2C_5CActive High
0x000d2C_6CActive High
0x00021C_3CActive High
0x000e2C_7CActive High
0x000f2C_8CActive High
0x00031C_4CActive High
0x00041C_5CActive High
0x00051C_6CActive High
0x00061C_7CActive High
0x00071C_8CActive High
0x00802C_1CActive High
0x00902C_2CActive High
0x00001C_1CActive High
0x00a02C_3CActive High
0x00b02C_4CActive High
0x00101C_2CActive High
0x00c02C_5CActive High
0x00d02C_6CActive High
0x00201C_3CActive High
0x00e02C_7CActive High
0x00f02C_8CActive High
0x00301C_4CActive High
0x00401C_5CActive High
0x00501C_6CActive High
0x00601C_7CActive High
0x00701C_8CActive High
0x00021Read PortDSW1
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
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
0x0010Service 2Active Low
0x0020Coin 1Active Low
0x0040Coin 2Active Low
0x0080Service 1Active 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
0x0010OffActive High
0x0000OnActive High
0x0020Start 1Active Low
0x0040Start 2Active Low
0x5040-0x505F32Mirror, Device Write0xaf00, namco, namco_device, pacman_sound_w
0x5060-0x506F16Mirror, Write Only, Shared0xaf00, , spriteram2
0x5070-0x507F16Mirror, Write NOP0xaf00,
0x50801Mirror, Write NOP0xaf3f,
0x50801Mirror, Read Port0xaf3f, DSW1
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0x50C01Mirror, Read Port0xaf3f, DSW2
0x00082C_1CActive High
0x00092C_2CActive High
0x00001C_1CActive High
0x000a2C_3CActive High
0x000b2C_4CActive High
0x00011C_2CActive High
0x000c2C_5CActive High
0x000d2C_6CActive High
0x00021C_3CActive High
0x000e2C_7CActive High
0x000f2C_8CActive High
0x00031C_4CActive High
0x00041C_5CActive High
0x00051C_6CActive High
0x00061C_7CActive High
0x00071C_8CActive High
0x00802C_1CActive High
0x00902C_2CActive High
0x00001C_1CActive High
0x00a02C_3CActive High
0x00b02C_4CActive High
0x00101C_2CActive High
0x00c02C_5CActive High
0x00d02C_6CActive High
0x00201C_3CActive High
0x00e02C_7CActive High
0x00f02C_8CActive High
0x00301C_4CActive High
0x00401C_5CActive High
0x00501C_6CActive High
0x00601C_7CActive High
0x00701C_8CActive High
0x50C01Mirror, Device Write0xaf3f, watchdog, watchdog_timer_device, reset_w
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
0x0000-0x0FFF409611105-4.4jCRC(91bad2da) (Fluke: 1E3B)
0x1000-0x1FFF409611105-5.5jCRC(b5c14376) (Fluke: 710A)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF409611105-0.0jCRC(dd425429) (Fluke: 4F98)
0x1000-0x1FFF409611105-1.1jCRC(f9d89eef) (Fluke: 8E46)
0x2000-0x2FFF409611105-2.2jCRC(40c23a27) (Fluke: 76A0)
0x3000-0x3FFF409611105-3.3jCRC(5802644f) (Fluke: FB2F)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F3274s288.8aCRC(ff344446) (Fluke: 6421)
0x0020-0x011F25624s10.6bCRC(63efb927) (Fluke: 7A71)
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