10-Yard Fight '85 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.

10-Yard Fight '85 (Irem (Taito license), 1985)

Memory Area:yard_map

Address Range	Length	Function	Description
0x0000-0x5FFF	24576	ROM
0x8000-0x8FFF	4096	RAM Write, Shared	videoram_w, videoram
0x9000-0x9FFF	4096	Write	scroll_panel_w
0xA000	1	RAM, Shared	scroll_x_low
0xA200	1	RAM, Shared	scroll_x_high
0xA400	1	RAM, Shared	scroll_y_low
0xA800	1	RAM, Shared	score_disable
0xC820-0xC87F	96	RAM, Shared	spriteram
0xD000	1	Device Write	irem_audio, irem_audio_device, cmd_w
0xD000	1	Read Port	IN0
0xD001	1	Write	flipscreen_w (/* + coin counters */)
0xD001	1	Read Port	IN1
0xD002	1	Read Port	IN2
0xD003	1	Read Port	DSW1
0xD004	1	Read Port	DSW2
0xE000-0xEFFF	4096	RAM

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:gfx1

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	yf-a-3e-h.3e	CRC(5fba9074),chars // this rom changes to give the '85 text
0x2000-0x3FFF	8192	yf-a-3c-h.3c	CRC(f48eedca) (Fluke: 80B4)
0x4000-0x5FFF	8192	yf-a-3d-h.3d	CRC(7d1b4d93) (Fluke: BFF1)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	yf-a-5c.5c	CRC(08fa5103),chars palette low 4 bits (Fluke: AD5D)
0x0000-0x1FFF	8192	yf-b-5b.5b	CRC(1299ae30),sprites (Fluke: 9BBC)
0x0100-0x01FF	256	yf-a-5d.5d	CRC(7c04994c),chars palette high 4 bits (Fluke: 78D3)
0x0220-0x031F	256	yf-b-3l.3l	CRC(e1cdfb06),sprites lookup table (Fluke: A66E)
0x0320-0x041F	256	yf-b-2r.2r	CRC(cd85b646),radar palette low 4 bits (Fluke: 681C)
0x0420-0x051F	256	yf-b-2p.2p	CRC(45384397),radar palette high 4 bits (Fluke: 5BED)
0x2000-0x3FFF	8192	yf-b-5c.5c	CRC(8708b888) (Fluke: 6107)
0x4000-0x5FFF	8192	yf-b-5f.5f	CRC(d9bb8ab8) (Fluke: 432A)
0x6000-0x7FFF	8192	yf-b-5e.5e	CRC(47077e8d) (Fluke: F6CB)
0x8000-0x9FFF	8192	yf-b-5j.5j	CRC(713ef31f) (Fluke: E3CB)
0xA000-0xBFFF	8192	yf-b-5k.5k	CRC(f49651cc) (Fluke: B6AD)

Memory Area:irem_audio:iremsound

Address Range	Length	Label/Location	Description
0x8000-0x9FFF	8192	yf-s-3b.3b	CRC(0392a60c) (Fluke: 50DE)
0xA000-0xBFFF	8192	yf-s-1b.1b	CRC(6588f41a) (Fluke: 2C8C)
0xC000-0xDFFF	8192	yf-s-3a.3a	CRC(bd054e44) (Fluke: 8B53)
0xE000-0xFFFF	8192	yf-s-1a.1a	CRC(2490d4c3) (Fluke: 5249)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	yf-a-3p-h.3p	CRC(c83da5e3)
0x2000-0x3FFF	8192	yf-a-3n-h.3n	CRC(8dc5f32f)
0x4000-0x5FFF	8192	yf-a-3m-h.3m	CRC(7d5d0c20)