Tunnel Hunt 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.

Tunnel Hunt (Atari (Centuri license), 1981)

Memory Area:main_map

Address Range	Length	Function	Description
0x0000-0x03FF	1024	RAM, Shared	workram (/* Work RAM */)
0x1080-0x10FF	128	Write Only
0x1200-0x12FF	256	Write Only
0x1400-0x14FF	256	Write Only
0x1600-0x160F	16	Write Only, Shared	paletteram (/* COLRAM (D7-D4 SHADE; D3-D0 COLOR) */)
0x1800	1	Write Only	(/* SHEL0H */)
0x1A00	1	Write Only	(/* SHEL1H */)
0x1C00	1	Write Only	(/* MOBJV */)
0x1E00-0x1EFF	256	Write, Shared	videoram_w, videoram (/* ALPHA */)
0x2000	1	Write NOP	(/* watchdog */)
0x2000-0x2007	8	Read	button_r
0x2400	1	Write NOP	(/* INT ACK */)
0x2800	1	Write	control_w
0x2C00-0x2FFF	1024	Write Only, Shared	spriteram
0x3000-0x300F	16	Device Read/Write	pokey1, pokey_device, read, write
0x4000-0x400F	16	Device Read/Write	pokey2, pokey_device, read, write
0x5000-0x7FFF	12288	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:gfx1

Address Range	Length	Label/Location	Description
0x0000-0x03FF	1024	019.c10	CRC(d6fd45a9) (Fluke: B81A)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x01FF	512	016.a8	CRC(830e6c34) (Fluke: 154A)
0x0200-0x03FF	512	017.b8	CRC(5bef8b5a) (Fluke: 7E65)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x5000-0x57FF	2048	001.lm1	CRC(2601a3a4) (Fluke: 0D5E)
0x5800-0x5FFF	2048	002.k1	CRC(29bbf3df) (Fluke: 0B25)
0x6000-0x67FF	2048	003.j1	CRC(360c0f47),bad crc? fails self-test (Fluke: 1ADE)
0x6800-0x6FFF	2048	004.fh1	CRC(4d6c920e) (Fluke: 6926)
0x7000-0x77FF	2048	005.ef1	CRC(e17badf0) (Fluke: 27F1)
0x7800-0x7FFF	2048	006.d1	CRC(c3ae8519) (Fluke: 5EC6)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x001F	32	013.d11	CRC(66f1f5eb),hue: BBBBGGGG? (Fluke: 3930)
0x0020-0x003F	32	014.c11	CRC(662444b2),hue: RRRR----? (Fluke: 59A1)
0x0040-0x013F	256	015.n4	CRC(00e224a0),timing? (Fluke: 70DF)
0x0140-0x053F	1024	018.h9	CRC(6547c208),color lookup table? (Fluke: 4B01)