Crazy Rally 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.

Crazy Rally (Tecfri (Gecas license), 1985)

Memory Area:crzrally_map

Address Range	Length	Function	Description
0x0000-0xBFFF	49152	ROM
0xC000-0xC7FF	2048	RAM, Shared	nvram
0xE000-0xE3FF	1024	RAM Write, Shared	colorram_w, colorram
0xE400-0xE7FF	1024	RAM Write, Shared	videoram_w, videoram
0xE800-0xEBFF	1024	RAM, Shared	spriteram
0xF000	1	Write	scroll_w
0xF800-0xF801	2	Write	pal_offs_w

Memory Area:io_map

Address Range	Length	Function	Description
0x0001	1	Device Read	watchdog, watchdog_timer_device, reset_r (/* ? */)
0x0004	1	Device Read	ay1, ay8910_device, data_r
0x0004-0x0005	2	Device Write	ay1, ay8910_device, address_data_w
0x0006-0x0007	2	Device Write	ay2, ay8910_device, address_data_w
0x0006	1	Device Read	ay2, ay8910_device, data_r

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	4.5h	CRC(29dece8b) (Fluke: AEBC)
0x2000-0x3FFF	8192	16.5g	CRC(94289f9e) (Fluke: A5D2)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	17.1n	CRC(985ed5c8) (Fluke: B1CB)
0x2000-0x3FFF	8192	18.1l	CRC(c02ddda2) (Fluke: 244C)
0x4000-0x5FFF	8192	19.1k	CRC(2a0d5bca) (Fluke: 36CB)
0x6000-0x7FFF	8192	20.1i	CRC(49c0c2b8) (Fluke: 4ED5)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x3FFF	16384	12.7g	CRC(0cab3ef9) (Fluke: 6829)
0x4000-0x7FFF	16384	13.7f	CRC(e19a8e13) (Fluke: 44DD)
0x8000-0xBFFF	16384	14.7d	CRC(4c0351ba) (Fluke: B3AA)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	82s129.9n	CRC(98ff725a),Red component (Fluke: 03F2)
0x0100-0x01FF	256	82s129.9m	CRC(d41f5800),Green component (Fluke: C32A)
0x0200-0x02FF	256	82s129.9l	CRC(9ed49cb4),Blue component (Fluke: 2147)

Memory Area:user1

Address Range	Length	Label/Location	Description
0x0000-0x01FF	512	82s147.1f	CRC(5261bc11) (Fluke: 92DA)