Professor Pac-Man 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.

Professor Pac-Man (Dave Nutting Associates / Bally Midway, 1983)

Memory Area:bank4000_map

Address Range	Length	Function	Description
0x0000-0x3FFF	16384	Read	profpac_videoram_r
0x4000-0x7FFF	16384	ROM, Region	banks, 0x08000
0x8000-0xBFFF	16384	ROM, Region	banks, 0x10000
0xC000-0xFFFF	16384	ROM, Region	banks, 0x18000

Memory Area:demndrgn_map

Address Range	Length	Function	Description
0x0000-0x3FFF	16384	Write	astrocade_funcgen_w
0x0000-0x3FFF	16384	ROM
0x4000-0x7FFF	16384	Device Read, Write	bank4000, address_map_bank_device, read8, profpac_videoram_w
0x8000-0xBFFF	16384	ROM Bank	bank8000
0xC000-0xDFFF	8192	ROM
0xE000-0xE7FF	2048	RAM, Shared	nvram
0xE800-0xFFFF	6144	RAM

Memory Area:port_map_16col_pattern

Address Range	Length	Function	Description
0x0000-0x0019	26	Mask, Read/Write	0xff00, astrocade_data_chip_register_r, astrocade_data_chip_register_w
0x0050-0x0058	9	Mask, Device Write	0xff00, astrocade2, astrocade_device, astrocade_sound_w
0x0078-0x007E	7	Mirror, Write	0xff00, astrocade_pattern_board_w
0x00BF	1	Mirror, Write	0xff00, profpac_page_select_w
0x00C0-0x00C5	6	Mirror, Write	0xff00, profpac_screenram_ctrl_w
0x00C3	1	Mirror, Read	0xff00, profpac_intercept_r
0x00F3	1	Mirror, Write	0xff00, profpac_banksw_w
0xA55B	1	Write	protected_ram_enable_w

Memory Area:profpac_bank4000_map

Address Range	Length	Function	Description
0x10000-0xAFFFF	655360	ROM, Region	epromboard, 0
0xB0000-0xB3FFF	16384	Read NOP

Memory Area:profpac_map

Address Range	Length	Function	Description
0xE000-0xE1FF	512	Read/Write, Shared	protected_ram_r, protected_ram_w, protected_ram

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:banks

Address Range	Length	Label/Location	Description
0x4000-0x5FFF	8192	pps3	CRC(15717fd8) (Fluke: 97F9)
0x6000-0x7FFF	8192	pps4	CRC(36540598) (Fluke: 6EBD)
0x8000-0x9FFF	8192	pps5	CRC(8dc89a59) (Fluke: 2CE4)
0xA000-0xBFFF	8192	pps6	CRC(5a2186c3) (Fluke: 3C98)
0xC000-0xDFFF	8192	pps7	CRC(f9c26aba) (Fluke: E56E)
0xE000-0xFFFF	8192	pps8	CRC(4d201e41) (Fluke: 66AE)

Memory Area:epromboard

Address Range	Length	Label/Location	Description
0x0000-0x3FFF	16384	ppq1	CRC(dddc2ccc) (Fluke: 8091)
0x4000-0x7FFF	16384	ppq2	CRC(33bbcabe) (Fluke: 576D)
0x8000-0xBFFF	16384	ppq3	CRC(3534d895) (Fluke: ECDD)
0xC000-0xFFFF	16384	ppq4	CRC(17e3581d) (Fluke: CA7A)
0x10000-0x13FFF	16384	ppq5	CRC(80882a93) (Fluke: E4D1)
0x14000-0x17FFF	16384	ppq6	CRC(e5ddaee5) (Fluke: 5B9D)
0x18000-0x1BFFF	16384	ppq7	CRC(c029cd34) (Fluke: 7BCA)
0x1C000-0x1FFFF	16384	ppq8	CRC(fb3a1ac9) (Fluke: 80AA)
0x20000-0x23FFF	16384	ppq9	CRC(5e944488) (Fluke: 03F5)
0x24000-0x27FFF	16384	ppq10	CRC(ed72a81f) (Fluke: B154)
0x28000-0x2BFFF	16384	ppq11	CRC(98295020) (Fluke: 7664)
0x2C000-0x2FFFF	16384	ppq12	CRC(e01a8dbe) (Fluke: A871)
0x30000-0x33FFF	16384	ppq13	CRC(87165d4f) (Fluke: 31DF)
0x34000-0x37FFF	16384	ppq14	CRC(ecb861de) (Fluke: 77F9)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	pps1	CRC(a244a62d) (Fluke: 056A)
0x2000-0x3FFF	8192	pps2	CRC(8a9a6653) (Fluke: 5DCC)
0xC000-0xDFFF	8192	pps9	CRC(17a0b418) (Fluke: A60D)

Memory Area:plds

Address Range	Length	Label/Location	Description
0x0000-0x00EA	235	pls153a_cpu.u12	CRC(499a6fc5) (Fluke: 9A03)
0x0100-0x01EA	235	pls153a_cpu.u16	CRC(9a5ea540) (Fluke: 15E4)
0x0200-0x02EA	235	pls153a_epr.u6	CRC(d8454bf7) (Fluke: FD60)
0x0300-0x03EA	235	pls153a_epr.u7	CRC(fa831d9f) (Fluke: F602)
0x0400-0x04EA	235	pls153a_gam.u10	CRC(fe2157b0) (Fluke: 51B3)
0x0500-0x05EA	235	pls153a_gam.u11	CRC(5772f6d8) (Fluke: 86FC)
0x0600-0x06EA	235	pls153a_gam.u5	CRC(b3f2c6b8) (Fluke: 9F94)
0x0700-0x07EA	235	pls153a_scr.u19	CRC(b5fff2db) (Fluke: 79A0)
0x0800-0x08EA	235	pls153a_scr.u39	CRC(ba7ef5dd) (Fluke: B5AC)
0x0900-0x09EA	235	pls153a_scr.u55	CRC(c3f47134) (Fluke: 99C6)