Astro Combat 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.

Astro Combat (bootleg, 1979)

Memory Area:astrof_map

Address Range	Length	Function	Description
0x0000-0x03FF	1024	Mirror, RAM	0x1c00,
0x2000-0x3FFF	8192	Read/Write NOP
0x4000-0x5FFF	8192	RAM Write, Shared	astrof_videoram_w, videoram
0x6000-0x7FFF	8192	Read/Write NOP
0x8000-0x8002	3	Mirror, Read/Write NOP	0x1ff8,
0x8003	1	Mirror, Read NOP, Write Only, Shared	0x1ff8, , , astrof_color
0x8004	1	Mirror, Read NOP, Write	0x1ff8, , video_control_1_w
0x8005	1	Mirror, Read NOP, Write	0x1ff8, , astrof_video_control_2_w
0x8006	1	Mirror, Read NOP, Write	0x1ff8, , astrof_audio_1_w
0x8007	1	Mirror, Read NOP, Write	0x1ff8, , astrof_audio_2_w
0xA000	1	Mirror, Read Port, Write NOP	0x1ff8, IN,
0xA001	1	Mirror, Read Port, Write NOP	0x1ff8, DSW,
0xA002	1	Mirror, Read, Write NOP	0x1ff8, irq_clear_r,
0xA003-0xA007	5	Mirror, Read/Write NOP	0x1ff8,
0xC000-0xFFFF	16384	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:maincpu

Address Range	Length	Label/Location	Description
0xD000-0xD3FF	1024	b.bin	CRC(16ad2bcc) (Fluke: 17C9)
0xD000-0xD3FF	1024	b.bin	CRC(16ad2bcc) (Fluke: 17C9)
0xD400-0xD7FF	1024	a.bin	CRC(ce8b6e4f) (Fluke: D606)
0xD400-0xD7FF	1024	a.bin	CRC(ce8b6e4f) (Fluke: D606)
0xD800-0xDBFF	1024	9.bin	CRC(e0f45b07) (Fluke: FE78)
0xD800-0xDBFF	1024	9.bin	CRC(e0f45b07) (Fluke: FE78)
0xDC00-0xDFFF	1024	8.bin	CRC(85b96728) (Fluke: E6EF)
0xDC00-0xDFFF	1024	8.bin	CRC(85b96728) (Fluke: E6EF)
0xE000-0xE3FF	1024	4.bin	CRC(271f90ad) (Fluke: 5B7B)
0xE000-0xE3FF	1024	4.bin	CRC(271f90ad) (Fluke: 5B7B)
0xE400-0xE7FF	1024	6.bin	CRC(568efbfe) (Fluke: 9202)
0xE400-0xE7FF	1024	6.bin	CRC(568efbfe) (Fluke: 9202)
0xE800-0xEBFF	1024	5.bin	CRC(1c0b298a) (Fluke: CFDC)
0xE800-0xEBFF	1024	5.bin	CRC(1c0b298a) (Fluke: CFDC)
0xEC00-0xEFFF	1024	3.bin	CRC(2938c641) (Fluke: A6AD)
0xEC00-0xEFFF	1024	3.bin	CRC(2938c641) (Fluke: A6AD)
0xF000-0xF3FF	1024	7.bin	CRC(912c8fe1) (Fluke: ED8B)
0xF000-0xF3FF	1024	7.bin	CRC(912c8fe1) (Fluke: ED8B)
0xF400-0xF7FF	1024	1a	CRC(7193f999) (Fluke: BE6E)
0xF400-0xF7FF	1024	1a	CRC(7193f999) (Fluke: BE6E)
0xF800-0xFBFF	1024	2a	CRC(3b6ccbbe) (Fluke: E0BC)
0xF800-0xFBFF	1024	2a	CRC(3b6ccbbe) (Fluke: E0BC)
0xFC00-0xFFFF	1024	0a	CRC(355da937) (Fluke: 25F4)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x001F	32	astrf.clr	CRC(61329fd1) (Fluke: 7568)
0x0000-0x001F	32	astrf.clr	CRC(61329fd1) (Fluke: 7568)