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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.
Ponpoko (Sigma Enterprises Inc., 1982)
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 High
0x0002Joystick LeftActive High
0x0004Joystick RightActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
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 High
0x0002Joystick LeftActive High
0x0004Joystick RightActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Start 1Active High
0x0040Start 2Active High
0x0080UnusedActive High
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
0x000110000Active High
0x000230000Active High
0x000350000Active High
0x0000NoneActive High
0x00000Active High
0x00041Active High
0x00082Active High
0x000c3Active High
0x00002Active High
0x00103Active High
0x00204Active High
0x00305Active High
0x0040UprightActive High
0x0000CocktailActive High
0x0080OffActive High
0x0000OnActive High
0x50C01Mirror, Device Write0xaf3f, watchdog, watchdog_timer_device, reset_w
0x50C01Mirror, Read Port0xaf3f, DSW2
0x0004A 3/1 B 3/1Active High
0x000eA 3/1 B 1/2Active High
0x000fA 3/1 B 1/4Active High
0x0002A 2/1 B 2/1Active High
0x000dA 2/1 B 1/1Active High
0x0007A 2/1 B 1/3Active High
0x000bA 2/1 B 1/5Active High
0x000cA 2/1 B 1/6Active High
0x0001A 1/1 B 1/1Active High
0x0006A 1/1 B 4/5Active High
0x0005A 1/1 B 2/3Active High
0x000aA 1/1 B 1/3Active High
0x0008A 1/1 B 1/5Active High
0x0009A 1/1 B 1/6Active High
0x0003A 1/2 B 1/2Active High
0x0000Free_PlayActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
Memory Area:woodpek_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
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, Write0xaf38, irq_mask_w
0x50001Mirror, Read Port0xaf3f, IN0
0x0001Joystick UpActive High
0x0002Joystick LeftActive High
0x0004Joystick RightActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Coin 1Active Low
0x0040Coin 2Active Low
0x0080Service 1Active Low
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, Device Write0xaf00, namco, namco_device, pacman_sound_w
0x50401Mirror, Read Port0xaf3f, IN1
0x0001Joystick UpActive High
0x0002Joystick LeftActive High
0x0004Joystick RightActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Start 1Active High
0x0040Start 2Active High
0x0080UnusedActive High
0x5060-0x506F16Mirror, Write Only, Shared0xaf00, , spriteram2
0x5070-0x507F16Mirror, Write NOP0xaf00,
0x50801Mirror, Write NOP0xaf3f,
0x50801Mirror, Read Port0xaf3f, DSW1
0x000110000Active High
0x000230000Active High
0x000350000Active High
0x0000NoneActive High
0x00000Active High
0x00041Active High
0x00082Active High
0x000c3Active High
0x00002Active High
0x00103Active High
0x00204Active High
0x00305Active High
0x0040UprightActive High
0x0000CocktailActive High
0x0080OffActive High
0x0000OnActive High
0x50C01Mirror, Device Write0xaf3f, watchdog, watchdog_timer_device, reset_w
0x50C01Mirror, Read Port0xaf3f, DSW2
0x0004A 3/1 B 3/1Active High
0x000eA 3/1 B 1/2Active High
0x000fA 3/1 B 1/4Active High
0x0002A 2/1 B 2/1Active High
0x000dA 2/1 B 1/1Active High
0x0007A 2/1 B 1/3Active High
0x000bA 2/1 B 1/5Active High
0x000cA 2/1 B 1/6Active High
0x0001A 1/1 B 1/1Active High
0x0006A 1/1 B 4/5Active High
0x0005A 1/1 B 2/3Active High
0x000aA 1/1 B 1/3Active High
0x0008A 1/1 B 1/5Active High
0x0009A 1/1 B 1/6Active High
0x0003A 1/2 B 1/2Active High
0x0000Free_PlayActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0x8000-0xBFFF16384ROM
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
0x0000-0x0FFF4096ppoko9.binCRC(b73e1a06) (Fluke: 6FA4)
0x1000-0x1FFF4096ppoko10.binCRC(62069b5d) (Fluke: B469)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096ppokoj1.binCRC(ffa3c004) (Fluke: DA52)
0x1000-0x1FFF4096ppokoj2.binCRC(4a496866) (Fluke: 5F05)
0x2000-0x2FFF4096ppokoj3.binCRC(17da6ca3) (Fluke: 370D)
0x3000-0x3FFF4096ppokoj4.binCRC(9d39a565) (Fluke: B84E)
0x8000-0x8FFF4096ppoko5.binCRC(54ca3d7d) (Fluke: 1FA2)
0x9000-0x9FFF4096ppoko6.binCRC(3055c7e0) (Fluke: F370)
0xA000-0xAFFF4096ppoko7.binCRC(3cbe47ca) (Fluke: 7BAC)
0xB000-0xBFFF4096ppokoj8.binCRC(04b63fc6) (Fluke: D647)
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
0x0000-0x001F3282s123.7fCRC(2fc650bd) (Fluke: C358)
0x0020-0x011F25682s126.4aCRC(3eb3a8e4) (Fluke: E779)
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