Ataxx 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.

Ataxx (Leland Corp. (Capcom license), 1990)

Memory Area:master_map_io_2

Address Range	Length	Function	Description
0x0004	1	Device Read	custom, leland_80186_sound_device, leland_80186_response_r
0x0005	1	Device Write	custom, leland_80186_sound_device, leland_80186_command_hi_w
0x0006	1	Device Write	custom, leland_80186_sound_device, leland_80186_command_lo_w
0x000C	1	Device Write	custom, leland_80186_sound_device, ataxx_80186_control_w
0x0020	1	Read/Write	ataxx_eeprom_r, ataxx_eeprom_w
0x00D0-0x00EF	32	Read/Write	ataxx_mvram_port_r, ataxx_mvram_port_w
0x00F0-0x00FF	16	Read/Write	ataxx_master_input_r, ataxx_master_output_w

Memory Area:master_map_program_2

Address Range	Length	Function	Description
0x0000-0x1FFF	8192	ROM
0x2000-0x9FFF	32768	ROM Bank	bank1
0xA000-0xDFFF	16384	ROM Bank, Write, Shared	bank2, ataxx_battery_ram_w, battery
0xE000-0xF7FF	6144	RAM, Shared	mainram
0xF800-0xFFFF	2048	Read/Write, Shared	ataxx_paletteram_and_misc_r, ataxx_paletteram_and_misc_w, palette

Memory Area:slave_map_io_2

Address Range	Length	Function	Description
0x0060-0x007F	32	Read/Write	ataxx_svram_port_r, ataxx_svram_port_w

Memory Area:slave_map_program

Address Range	Length	Function	Description
0x0000-0x1FFF	8192	ROM
0x2000-0x9FFF	32768	ROM Bank	bank3
0xA000-0xDFFF	16384	ROM
0xE000-0xEFFF	4096	RAM
0xFFFC-0xFFFD	2	Write	leland_slave_video_addr_w
0xFFFE	1	Read	leland_raster_r
0xFFFF	1	Write	ataxx_slave_banksw_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
0x0000-0x1FFFF	131072	e-302-31006-01.u98	CRC(59d0f2ae) (Fluke: 7046)
0x20000-0x3FFFF	131072	e-302-31007-01.u99	CRC(6ab7db25) (Fluke: 9915)
0x40000-0x5FFFF	131072	e-302-31008-01.u100	CRC(2352849e) (Fluke: 1477)
0x60000-0x7FFFF	131072	e-302-31009-01.u101	CRC(4c31e02b) (Fluke: C722)
0x80000-0x9FFFF	131072	e-302-31010-01.u102	CRC(a951228c) (Fluke: 4C2C)
0xA0000-0xBFFFF	131072	e-302-31011-01.u103	CRC(ed326164) (Fluke: 385F)

Memory Area:master

Address Range	Length	Label/Location	Description
0x0000-0x1FFFF	131072	ataxxj.u38	CRC(513fa7d4) (Fluke: DED9)

Memory Area:slave

Address Range	Length	Label/Location	Description
0x0000-0x1FFFF	131072	e-302-31012-01.u111	CRC(9a3297cc) (Fluke: 292D)
0x20000-0x3FFFF	131072	e-302-31013-01.u112	CRC(7e7c3e2f) (Fluke: 114F)
0x40000-0x5FFFF	131072	e-302-31014-01.u113	CRC(8cf3e101) (Fluke: 3677)