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.
Memory Area:popobear_mem
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x210000-0x21FFFF65536RAM
0x280000-0x2FFFFF524288RAM, Sharedspr (// unknown boundaries, 0x2ff800 contains a sprite list, lower area = sprite gfx)
0x300000-0x3FFFFF1048576RAM Write, Sharedvram_w, vram (// tile definitions + tilemaps)
0x480000-0x48001F32RAM, Sharedvregs
0x480020-0x4800234RAM
0x480028-0x48002D6RAM
0x480030-0x4800312Write 8-bitirq_ack_w, 0x00ff
0x480034-0x4800352RAM(// coin counter or coin lockout)
0x48003A-0x48003B2RAM(//AM_READ(48003a_r) AM_WRITE(48003a_w))
0x480400-0x4807FF1024RAM, Device Write, Sharedpalette, palette_device, write, palette
0x500000-0x5000012Read PortIN0
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080UnusedActive Low
0x0100Joystick UpActive Low
0x0200Joystick DownActive Low
0x0400Joystick LeftActive Low
0x0800Joystick RightActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0x4000Button 3Active Low
0x8000UnusedActive Low
0x520000-0x5200012Read PortIN1
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
0x0100Coin 1Active Low
0x0200OffActive High
0x0000OnActive High
0x0400OffActive High
0x0000OnActive High
0x0800OffActive High
0x0000OnActive High
0x1000OffActive High
0x0000OnActive High
0x2000OffActive High
0x0000OnActive High
0x4000Start 2Active Low
0x8000Start 1Active Low
0x540000-0x5400012Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
0x550000-0x5500034Device Write 8-bitymsnd, ym2413_device, write, 0x00ff
0x600000-0x6000012Write NOP
0x620000-0x6200012Read 8-bit, Write NOP_620000_r,0xff00,
0x800000-0xBFFFFF4194304ROM
 

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:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144popobear_ta-a-901.u9CRC(f1e94926)
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