Rally X Memory Map

Contributors
Contributors
- Contributor Account
- Sign Up
On-Line Databases
On-Line Databases
Main
Main
Education
Education
My Restorations
My Restorations
- Restorations
- Conversions
Restoring Games
Restoring Games
Repairing Games
Repairing Games
Resources
Resources
Miscellaneous
Miscellaneous

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.

Rally X (bootleg (Model Racing), 1980)

Memory Area:io_map

Address Range	Length	Function	Description
0x0000	1	Write	rallyx_interrupt_vector_w

Memory Area:rallyx_map

Address Range	Length	Function	Description
0x0000-0x3FFF	16384	ROM
0x8000-0x8FFF	4096	RAM Write, Shared	rallyx_videoram_w, videoram
0x9800-0x9FFF	2048	RAM
0xA000	1	Read Port	P1
0xA000-0xA00F	16	Write Only, Shared	radarattr
0xA080	1	Read Port	P2
0xA080	1	Device Write	watchdog, watchdog_timer_device, reset_w
0xA100	1	Read Port	DSW
0xA100-0xA11F	32	Device Write	namco, namco_device, pacman_sound_w
0xA130	1	Write	rallyx_scrollx_w
0xA140	1	Write	rallyx_scrolly_w
0xA170	1	Write NOP	(/* ? */)
0xA180-0xA187	8	Write	rallyx_latch_w

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
0x0000-0x07FF	2048	175.bin	CRC(50a224e2)
0x0800-0x0FFF	2048	174.bin	CRC(68dff552) (Fluke: 0B32)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	rx1-6.8m	CRC(3c16f62c),Prom type: IM5623 - dots (Fluke: 1701)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x07FF	2048	166.bin	CRC(ef9238db) (Fluke: 65E7)
0x0800-0x0FFF	2048	167.bin	CRC(7cbeb656) (Fluke: 5E7E)
0x1000-0x17FF	2048	168.bin	CRC(334b1042) (Fluke: 7116)
0x1800-0x1FFF	2048	169.bin	CRC(b4852b52)
0x2000-0x27FF	2048	170.bin	CRC(3d69f24e) (Fluke: C68F)
0x2800-0x2FFF	2048	171.bin	CRC(e9740f16) (Fluke: FC7E)
0x3000-0x37FF	2048	172.bin	CRC(843109f2) (Fluke: C44E)
0x3800-0x3FFF	2048	173.bin	CRC(3b5b1a81)

Memory Area:namco

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	rx1-5.3p	CRC(4bad7017),Prom type: IM5623 (Fluke: 45C1)
0x0100-0x01FF	256	rx1-4.2m	CRC(77245b66),Prom type: IM5623 - not used (Fluke: E0E5)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x001F	32	rx1-1.11n	CRC(c7865434),Prom type: M3-7603-5 - palette (Fluke: 48B4)
0x0020-0x011F	256	rx1-7.8p	CRC(834d4fda),Prom type: IM5623 - lookup table (Fluke: 1EDA)
0x0120-0x013F	32	rx1-2.4n	CRC(8f574815),Prom type: N82S123N - video layout (not used) (Fluke: 6A54)
0x0140-0x015F	32	rx1-3.7k	CRC(b8861096),Prom type: M3-7603-5 - video timing (not used) (Fluke: 11F3)