Exerion 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.

Exerion (Jaleco (Taito America license), 1983)

Memory Area:main_map

Address Range	Length	Function	Description
0x0000-0x5FFF	24576	ROM
0x6000-0x67FF	2048	RAM, Shared	main_ram
0x6008-0x600B	4	Read	exerion_protection_r
0x8000-0x87FF	2048	RAM, Shared	videoram
0x8800-0x8BFF	1024	RAM
0x8800-0x887F	128	RAM, Shared	spriteram
0xA000	1	Read Port	IN0
0xA800	1	Read Port	DSW0
0xB000	1	Read Port	DSW1
0xC000	1	Write	exerion_videoreg_w
0xC800	1	Device Write	soundlatch, generic_latch_8_device, write
0xD000-0xD001	2	Device Write	ay1, ay8910_device, address_data_w
0xD800-0xD801	2	Device Write	ay2, ay8910_device, address_data_w
0xD802	1	Device Read	ay2, ay8910_device, data_r

Memory Area:sub_map

Address Range	Length	Function	Description
0x0000-0x1FFF	8192	ROM
0x4000-0x47FF	2048	RAM
0x6000	1	Device Read	soundlatch, generic_latch_8_device, read
0x8000-0x800C	13	Write	exerion_video_latch_w
0xA000	1	Read	exerion_video_timing_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	exerion.06	CRC(435a85a4),fg chars (Fluke: B421)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	exerion.11	CRC(f0633a09),sprites (Fluke: C89A)
0x2000-0x3FFF	8192	exerion.10	CRC(80312de0) (Fluke: 5EB5)

Memory Area:gfx3

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	exerion.03	CRC(790595b8),bg data (Fluke: BAF4)
0x2000-0x3FFF	8192	exerion.04	CRC(d7abd0b9) (Fluke: A20F)
0x4000-0x5FFF	8192	exerion.01	CRC(5bb755cb) (Fluke: DF11)
0x6000-0x7FFF	8192	exerion.02	CRC(a7ecbb70) (Fluke: 4318)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x3FFF	16384	prom5.4p	CRC(58b4dc1b) (Fluke: 308B)
0x4000-0x5FFF	8192	prom6.4s	CRC(fca18c2d) (Fluke: FA67)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x001F	32	exerion.e1	CRC(2befcc20),palette (Fluke: BA41)
0x0020-0x011F	256	exerion.i8	CRC(31db0e08),fg char lookup table (Fluke: 578C)
0x0120-0x021F	256	exerion.h10	CRC(63b4c555),sprite lookup table (Fluke: CFEF)
0x0220-0x031F	256	exerion.i3	CRC(fe72ab79),bg char lookup table (Fluke: 0BCC)
0x0320-0x041F	256	exerion.k4	CRC(ffc2ba43),bg char mixer (Fluke: CE15)

Memory Area:sub

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	exerion.05	CRC(32f6bff5) (Fluke: B5AB)