Space Invasion 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.

Space Invasion (Capcom, 1985)

Memory Area:commando_map

Address Range	Length	Function	Description
0x0000-0xBFFF	49152	ROM
0xC000	1	Read Port	SYSTEM
0xC001	1	Read Port	P1
0xC002	1	Read Port	P2
0xC003	1	Read Port	DSW1
0xC004	1	Read Port	DSW2
0xC800	1	Device Write	soundlatch, generic_latch_8_device, write
0xC804	1	Write	commando_c804_w
0xC808-0xC809	2	Write	commando_scrollx_w
0xC80A-0xC80B	2	Write	commando_scrolly_w
0xD000-0xD3FF	1024	RAM Write, Shared	commando_videoram2_w, videoram2
0xD400-0xD7FF	1024	RAM Write, Shared	commando_colorram2_w, colorram2
0xD800-0xDBFF	1024	RAM Write, Shared	commando_videoram_w, videoram
0xDC00-0xDFFF	1024	RAM Write, Shared	commando_colorram_w, colorram
0xE000-0xFDFF	7680	RAM
0xFE00-0xFF7F	384	RAM, Shared	spriteram
0xFF80-0xFFFF	128	RAM

Memory Area:sound_map

Address Range	Length	Function	Description
0x0000-0x3FFF	16384	ROM
0x4000-0x47FF	2048	RAM
0x6000	1	Device Read	soundlatch, generic_latch_8_device, read
0x8000-0x8001	2	Device Write	ym1, ym2203_device, write
0x8002-0x8003	2	Device Write	ym2, ym2203_device, write

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
0x0000-0x3FFF	16384	u2.9f	CRC(cbf8c40e) (Fluke: 3115)

Memory Area:gfx1

Address Range	Length	Label/Location	Description
0x0000-0x3FFF	16384	u1.5d	CRC(f477e13a),characters (Fluke: 1342)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x3FFF	16384	vt11.5a	CRC(7b2e1b48) (Fluke: 6D97)
0x4000-0x7FFF	16384	vt12.6a	CRC(81b417d3) (Fluke: 675F)
0x8000-0xBFFF	16384	vt13.7a	CRC(5612dbd2) (Fluke: 0F0F)
0xC000-0xFFFF	16384	vt14.8a	CRC(2b2dee36) (Fluke: 2F85)
0x10000-0x13FFF	16384	vt15.9a	CRC(de70babf) (Fluke: 87B9)
0x14000-0x17FFF	16384	vt16.10a	CRC(14178237) (Fluke: 72BB)

Memory Area:gfx3

Address Range	Length	Label/Location	Description
0x0000-0x3FFF	16384	u5.e7	CRC(2a97c933),sprites (Fluke: C2C6)
0x4000-0x7FFF	16384	sp06.e8	CRC(d7887212) (Fluke: 62B8)
0x8000-0xBFFF	16384	sp07.e9	CRC(9abe7a20) (Fluke: 2D86)
0xC000-0xFFFF	16384	u8.h7	CRC(d6b4aa2e) (Fluke: 77A7)
0x10000-0x13FFF	16384	sp09.h8	CRC(3985b318) (Fluke: 1350)
0x14000-0x17FFF	16384	sp10.h9	CRC(3c131b0f) (Fluke: DCE1)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	sp04.9m	CRC(33f9601e) (Fluke: A25C)
0x8000-0xBFFF	16384	sp03.8m	CRC(c7fb43b3) (Fluke: E0C4)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	vtb1.1d	CRC(3aba15a1),red (Fluke: 73FA)
0x0100-0x01FF	256	vtb2.2d	CRC(88865754),green (Fluke: E96C)
0x0200-0x02FF	256	vtb3.3d	CRC(4c14c3f6),blue (Fluke: 01B2)
0x0300-0x03FF	256	vtb4.1h	CRC(b388c246),palette selector (not used) (Fluke: 6D42)
0x0400-0x04FF	256	vtb5.6l	CRC(712ac508),interrupt timing (not used) (Fluke: DC38)
0x0500-0x05FF	256	vtb6.6e	CRC(0eaf5158),video timing (not used) (Fluke: E9D9)