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:hardhead_io_map
Address RangeLengthFunctionDescription
0x00001Read NOP(// ? IRQ Ack)
Memory Area:hardhead_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM(// ROM)
0x8000-0xBFFF16384ROM Bankbank1 (// Banked ROM)
0xC000-0xD7FF6144RAM(// RAM)
0xD800-0xD9FF512RAM Device Write, Sharedpalette, palette_device, write, palette (// Palette)
0xDA001RAM Read, Sharedhardhead_ip_r, hardhead_ip (// Input Port Select)
0xDA801Device Read, Writesoundlatch2, generic_latch_8_device, read, hardhead_bankswitch_w (// ROM Banking)
0xDB001Device Writesoundlatch, generic_latch_8_device, write (// To Sound CPU)
0xDB801Writehardhead_flipscreen_w (// Flip Screen + Coin Lockout)
0xDC001Read/Write NOP(// <- R (after bank select))
0xDC801Read/Write NOP(// <- R (after bank select))
0xDD001Read/Write NOP(// <- R (after ip select))
0xDD80-0xDDFF128Read/Writehardhead_protection_r, hardhead_protection_w (// Protection)
0xE000-0xFFFF8192RAM Write, Sharedsuna8_spriteram_w, spriteram (// Sprites)
Memory Area:hardhead_sound_io_map
Address RangeLengthFunctionDescription
0x00011Read NOP(// ? IRQ Ack)
Memory Area:hardhead_sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM(// ROM)
0xA000-0xA0012Device Read/Writeymsnd, ym3812_device, read, write
0xA002-0xA0032Device Writeaysnd, ay8910_device, address_data_w
0xC000-0xC7FF2048RAM(// RAM)
0xC8001Device Readymsnd, ym3812_device, status_port_r (// ? unsure)
0xD0001Device Writesoundlatch2, generic_latch_8_device, write (//)
0xD8001Device Readsoundlatch, generic_latch_8_device, read (// From Main CPU)
 

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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768p13CRC(493c0b41) (Fluke: D128)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768p5CRC(e9aa6fba) (Fluke: 2A96)
0x10000-0x17FFF32768p6CRC(15d5f5dd) (Fluke: 4B5D)
0x20000-0x27FFF3276811_27256.d8CRC(3751b99d) (Fluke: CAAA)
0x30000-0x37FFF32768p12CRC(9582e6db) (Fluke: 8C67)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x10000-0x17FFF327682_27256.k6CRC(8fcc1248) (Fluke: 462D)
0x18000-0x1FFFF32768p3CRC(3d24755e) (Fluke: 6981)
0x20000-0x27FFF32768p4CRC(0241ac79) (Fluke: E647)
0x28000-0x2FFFF32768p7CRC(beba8313) (Fluke: 94AE)
0x30000-0x37FFF327688_27256.k8CRC(87a8b4b4) (Fluke: 35B8)
0x38000-0x3FFFF32768p9CRC(2ad430c4) (Fluke: FE32)
0x40000-0x47FFF3276810_27256.i8CRC(84fc6574) (Fluke: E0B0)
Memory Area:samples
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768p14CRC(41314ac1) (Fluke: 8305)
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