Butasan Memory Map

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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.

Butasan (NMK (Jaleco license), 1987)

Memory Area:butasan_map

Address Range	Length	Function	Description
0x0000-0x7FFF	32768	ROM
0x8000-0xBFFF	16384	ROM Bank	mainbank
0xC000	1	Read Port	SYSTEM
0xC001	1	Read Port	P1
0xC002	1	Read Port	P2
0xC003	1	Read Port	DSW1
0xC004	1	Read Port	DSW2
0xC100	1	Write	butasan_unknown_w
0xC200	1	Device Write	soundlatch, generic_latch_8_device, write
0xC201	1	Write	flipscreen_w
0xC202	1	Write	bankselect_w
0xC203	1	Write	butasan_pageselect_w
0xC300-0xC301	2	RAM, Shared	bg0_scrollx
0xC302-0xC303	2	RAM, Shared	bg0_scrolly
0xC304	1	Write	butasan_bg0_status_w
0xC308-0xC309	2	RAM, Shared	bg1_scrollx
0xC30A-0xC30B	2	RAM, Shared	bg1_scrolly
0xC30C	1	Write	butasan_bg1_status_w
0xC400-0xC7FF	1024	RAM Write, Shared	butasan_bg1ram_w, butasan_bg1ram
0xC800-0xCFFF	2048	RAM Write, Shared	butasan_paletteram_w, paletteram
0xD000-0xDFFF	4096	Read/Write	butasan_pagedram_r, butasan_pagedram_w
0xE000-0xEFFF	4096	RAM
0xF000-0xF67F	1664	RAM, Shared	spriteram
0xF680-0xFFFF	2432	RAM

Memory Area:sound_map_b

Address Range	Length	Function	Description
0x0000-0xBFFF	49152	ROM
0xC000-0xC7FF	2048	RAM
0xE000	1	Device Read	soundlatch, generic_latch_8_device, read

Memory Area:sound_portmap_2

Address Range	Length	Function	Description
0x0000-0x0001	2	Device Read/Write	ym1, ym2203_device, read, write
0x0080-0x0081	2	Device Read/Write	ym2, ym2203_device, read, write

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 Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	1.b2	CRC(c9d23e2d) (Fluke: 21DA)

Memory Area:gfx1

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	16.k16	CRC(e0ce51b6) (Fluke: 65C9)
0x10000-0x1FFFF	65536	buta-15.bin	CRC(3ed19daa) (Fluke: 77B9)
0x20000-0x2FFFF	65536	14.k14	CRC(8ec891c1) (Fluke: 5032)
0x30000-0x3FFFF	65536	13.k13	CRC(5023e74d) (Fluke: D1)
0x40000-0x4FFFF	65536	12.k12	CRC(44f59905) (Fluke: 9D6C)
0x50000-0x5FFFF	65536	11.k11	CRC(b8929f1d) (Fluke: 401D)
0x60000-0x6FFFF	65536	10.k10	CRC(fd4d3baf) (Fluke: C36A)
0x70000-0x7FFFF	65536	9.k9	CRC(7da4c0fd) (Fluke: 39AF)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	5.l7	CRC(b8e026b0) (Fluke: 61EF)
0x10000-0x1FFFF	65536	6.n7	CRC(8bbacb81) (Fluke: 3F59)

Memory Area:gfx3

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	7.a8	CRC(3a48d531) (Fluke: BA91)

Memory Area:gfx4

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	buta-08.bin	CRC(5d45ce9c) (Fluke: 2E00)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	buta-04.bin	CRC(47ff4ca9) (Fluke: E1D3)
0x10000-0x1FFFF	65536	buta-03.bin	CRC(69fd88c7) (Fluke: CF1F)
0x20000-0x2FFFF	65536	buta-02.bin	CRC(519dc412) (Fluke: 4214)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	buta-01.prm	CRC(45baedd0) (Fluke: A44C)
0x0100-0x01FF	256	buta-02.prm	CRC(0dcb18fc) (Fluke: 7FD6)