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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.
Pop'n Music 4 (Konami, 2000)
Memory Area:firebeat_map
Address RangeLengthFunctionDescription
0x0000-0x1FFFFFF33554432RAM, Sharedwork_ram
0x70000000-0x70000FFF4096Read/Write 8-bitmidi_uart_r, midi_uart_w, 0xff000000
0x70006000-0x700060034Writeextend_board_irq_w
0x70008000-0x7000800F16Readkeyboard_wheel_r
0x7000A000-0x7000A0034Readextend_board_irq_r
0x74000000-0x740003FF1024Read/Writeppc_spu_share_r, ppc_spu_share_w (// SPU shared RAM)
0x7D000200-0x7D00021F32Readcabinet_r
0x7D000340-0x7D0003478Readsensor_r
0x7D000400-0x7D0004034Device Read/Write 8-bitymz, ymz280b_device, read, write, 0xffff0000
0x7D000800-0x7D0008034Readinput_r
0x7D400000-0x7D5FFFFF2097152Read/Writeflashram_r, flashram_w
0x7D800000-0x7DBFFFFF4194304Read/Writesoundflash_r, soundflash_w
0x7DC00000-0x7DC0000F16Device Read/Write 8-bitduart_com, pc16552_device, read, write, 0xffffffff
0x7E000000-0x7E00003F64Device Read/Write 8-bitrtc, rtc65271_device, rtc_r, rtc_w, 0xffffffff
0x7E000100-0x7E00013F64Device Read/Write 8-bitrtc, rtc65271_device, xram_r, xram_w, 0xffffffff
0x7E800000-0x7E8000FF256Device Read/Writegcu0, k057714_device, read, write
0x7E800100-0x7E8001FF256Device Read/Writegcu1, k057714_device, read, write
0x7FE00000-0x7FE0000F16Read/Writeata_command_r, ata_command_w
0x7FE80000-0x7FE8000F16Read/Writeata_control_r, ata_control_w
0x7FF80000-0x7FFFFFFF524288ROM, Regionuser1, 0 (/* System BIOS */)
Memory Area:spu_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x100000-0x13FFFF262144RAM
0x200000-0x2000012Readspu_unk_r
0x220000-0x2200012Writespu_220000_w
0x230000-0x2300012Writespu_irq_ack_w
0x260000-0x2600012Writespu_sdram_bank_w
0x280000-0x2807FF2048Read/Writem68k_spu_share_r, m68k_spu_share_w
0x300000-0x30000F16Device Read/Writespu_ata, ata_interface_device, read_cs0, write_cs0
0x340000-0x34000F16Device Read/Writespu_ata, ata_interface_device, read_cs1, write_cs1
0x400000-0x400FFF4096Device Read/Writerf5c400, rf5c400_device, rf5c400_r, rf5c400_w
0x800000-0x83FFFF262144RAM(// SDRAM)
0xFC0000-0xFFFFFF262144RAM(// SDRAM)
 

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:user2
Address RangeLengthLabel/LocationDescription
0x0000-0x00C7200gq986_gc986.binCRC(5c11469a)
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