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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.
Meikyuu Hunter G (Data East Corporation, 1987)
Memory Area:dec8_mcu_io_map
Address RangeLengthFunctionDescription
0x00001Unknown
Memory Area:dec8_s_map
Address RangeLengthFunctionDescription
0x0000-0x05FF1536RAM
0x2000-0x20012Device Writeym1, ym2203_device, write
0x4000-0x40012Device Writeym2, ym3812_device, write
0x60001Device Readsoundlatch, generic_latch_8_device, read
0x8000-0xFFFF32768ROM
Memory Area:meikyuh_map
Address RangeLengthFunctionDescription
0x0000-0x0FFF4096RAM
0x1000-0x17FF2048RAM
0x1800-0x1FFF2048RAM Write, Shareddec8_videoram_w, videoram
0x2000-0x27FF2048Device Read/Writetilegen1, deco_bac06_device, pf_data_8bit_r, pf_data_8bit_w
0x2800-0x2BFF1024RAM(// colscroll? mirror?)
0x2C00-0x2FFF1024Device Read/Writetilegen1, deco_bac06_device, pf_rowscroll_8bit_r, pf_rowscroll_8bit_w
0x3000-0x37FF2048RAM, Sharedspriteram
0x38001Writedec8_sound_w
0x38001Read PortIN0 (/* Player 1 */)
0x38011Read PortIN1 (/* Player 2 */)
0x38021Read PortIN2 (/* Player 3 */)
0x38031Read PortDSW0 (/* Start buttons + VBL */)
0x3820-0x38278Device Writetilegen1, deco_bac06_device, pf_control0_8bit_w
0x38201Read PortDSW1 (/* Dip */)
0x3830-0x383F16Device Read/Writetilegen1, deco_bac06_device, pf_control1_8bit_r, pf_control1_8bit_w
0x38401Readi8751_h_r
0x38401Writeghostb_bank_w
0x38601Readi8751_l_r
0x3860-0x38612Writedec8_i8751_w
0x4000-0x7FFF16384ROM Bankbank1
0x8000-0xFFFF32768ROM
 

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
0x8000-0xFFFF32768dw05.5fCRC(c28c4d82) (Fluke: 6106)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768dw00.16bCRC(3d25f15c) (Fluke: 9053)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536dw14.14fCRC(9b0dbfa9) (Fluke: 507E)
0x10000-0x1FFFF65536dw15.15fCRC(95683fda) (Fluke: 1913)
0x20000-0x2FFFF65536dw11.9fCRC(1b1fcca7) (Fluke: E349)
0x30000-0x3FFFF65536dw13.12fCRC(e7413056) (Fluke: 13FA)
0x40000-0x4FFFF65536dw10.8fCRC(57667546) (Fluke: 5ACF)
0x50000-0x5FFFF65536dw12.1fCRC(4c548db8) (Fluke: C72F)
0x60000-0x6FFFF65536dw16.17fCRC(e5bcf927) (Fluke: 9B4C)
0x70000-0x7FFFF65536dw17.18fCRC(9e10f723) (Fluke: 8B54)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536dw06.12fCRC(b65e029d) (Fluke: 191F)
0x10000-0x1FFFF65536dw07.14fCRC(668d995d) (Fluke: 0695)
0x20000-0x2FFFF65536dw08.15fCRC(bb2cf4a0) (Fluke: 9588)
0x30000-0x3FFFF65536dw09.17fCRC(6a528d13) (Fluke: 864B)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x8000-0xFFFF32768dw01-5.1dCRC(87610c39) (Fluke: C267)
0x10000-0x1FFFF65536dw02.3dCRC(40c9b0b8) (Fluke: 1EEA)
0x20000-0x2FFFF65536dw03.4dCRC(5606a8f4) (Fluke: 946C)
0x30000-0x3FFFF65536dw04.6dCRC(235c0c36) (Fluke: 9B3B)
Memory Area:mcu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096dw.1bCRC(28e9ced9) (Fluke: 27E6)
0x0000-0x0FFF4096dw.1bCRC(28e9ced9) (Fluke: 27E6)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF1024dw18.9dCRC(75f1945f) (Fluke: 3067)
0x0000-0x03FF1024dw18.9dCRC(75f1945f) (Fluke: 3067)
0x0400-0x07FF1024dw19.10dCRC(cc16f3fa) (Fluke: FE2B)
0x0400-0x07FF1024dw19.10dCRC(cc16f3fa) (Fluke: FE2B)
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