Cobra Command 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.

Cobra Command (Data East, 1984)

Memory Area:rblaster_map

Address Range	Length	Function	Description
0x0000-0x0FFF	4096	RAM
0x1000	1	Read Port, Write NOP	IN0, (// (w) coin lockout)
0x1001	1	Read Port	DSW1
0x1002	1	Read Port	DSW2
0x1003	1	Read Port	IN1
0x1004	1	Device Read, Write	soundlatch2, generic_latch_8_device, read, decold_sound_cmd_w
0x1005	1	Read	sound_status_r
0x1006	1	Read	acia_status_hack_r
0x1007	1	Device Read/Write	laserdisc, sony_ldp1000_device, status_r, command_w
0x1800-0x1FFF	2048	RAM Device Write, Shared	palette, palette_device, write, palette
0x2000-0x27FF	2048	RAM
0x2800-0x2BFF	1024	RAM, Shared	vram0
0x2C00-0x2FFF	1024	RAM, Shared	attr0
0x3000-0x37FF	2048	RAM
0x3800-0x3BFF	1024	RAM, Shared	vram1
0x3C00-0x3FFF	1024	RAM, Shared	attr1
0x4000-0xFFFF	49152	ROM

Memory Area:rblaster_sound_map

Address Range	Length	Function	Description
0x0000-0x01FF	512	RAM
0x2000	1	Device Write	ay1, ay8910_device, data_w
0x4000	1	Device Write	ay1, ay8910_device, address_w
0x6000	1	Device Write	ay2, ay8910_device, data_w
0x8000	1	Device Write	ay2, ay8910_device, address_w
0xA000	1	Device Read, Device Write	soundlatch, generic_latch_8_device, read, soundlatch2, generic_latch_8_device, write
0xE000-0xFFFF	8192	ROM

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:audiocpu

Address Range	Length	Label/Location	Description
0xE000-0xFFFF	8192	au06	CRC(ccc94eb0)

Memory Area:gfx1

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	au0a	CRC(6aaedcf3) (Fluke: D6E7)
0x2000-0x3FFF	8192	au07	CRC(d4bf12a5) (Fluke: C7FF)
0x4000-0x5FFF	8192	au0b	CRC(92247877) (Fluke: D5AC)
0x6000-0x7FFF	8192	au08	CRC(63158274) (Fluke: 771A)
0x8000-0x9FFF	8192	au0c	CRC(d00a2762) (Fluke: 61A1)
0xA000-0xBFFF	8192	au09	CRC(74e93394) (Fluke: 2160)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x8000-0x9FFF	8192	au03-2	CRC(8f0a8fba) (Fluke: 0C1B)
0xA000-0xBFFF	8192	au02-2	CRC(7db11acf) (Fluke: 0D7B)
0xC000-0xDFFF	8192	au01-2	CRC(523dd8f6) (Fluke: 4DA8)
0xE000-0xFFFF	8192	au00-2	CRC(6c0f1f16) (Fluke: 1EF8)