Fire Trap 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.

Fire Trap (Wood Place Inc., 1986)

Memory Area:firetrap_map

Address Range	Length	Function	Description
0x0000-0x7FFF	32768	ROM
0x8000-0xBFFF	16384	ROM Bank	bank1
0xC000-0xCFFF	4096	RAM
0xD000-0xD7FF	2048	RAM Write, Shared	firetrap_bg1videoram_w, bg1videoram
0xD800-0xDFFF	2048	RAM Write, Shared	firetrap_bg2videoram_w, bg2videoram
0xE000-0xE7FF	2048	RAM Write, Shared	firetrap_fgvideoram_w, fgvideoram
0xE800-0xE97F	384	RAM, Shared	spriteram
0xF000	1	Write NOP	(/* IRQ acknowledge */)
0xF001	1	Write	firetrap_sound_command_w
0xF002	1	Write	firetrap_bankselect_w
0xF003	1	Write	flip_screen_w
0xF004	1	Write	firetrap_nmi_disable_w
0xF005	1	Write	firetrap_8751_w
0xF008-0xF009	2	Write	firetrap_bg1_scrollx_w
0xF00A-0xF00B	2	Write	firetrap_bg1_scrolly_w
0xF00C-0xF00D	2	Write	firetrap_bg2_scrollx_w
0xF00E-0xF00F	2	Write	firetrap_bg2_scrolly_w
0xF010	1	Read Port	IN0
0xF011	1	Read Port	IN1
0xF012	1	Read Port	IN2
0xF013	1	Read Port	DSW0
0xF014	1	Read Port	DSW1
0xF016	1	Read	firetrap_8751_r

Memory Area:sound_map

Address Range	Length	Function	Description
0x0000-0x07FF	2048	RAM
0x1000-0x1001	2	Device Write	ymsnd, ym3526_device, write
0x2000	1	Write	firetrap_adpcm_data_w (/* ADPCM data for the MSM5205 chip */)
0x2400	1	Write	firetrap_sound_2400_w
0x2800	1	Write	firetrap_sound_bankselect_w
0x3400	1	Device Read	soundlatch, generic_latch_8_device, read
0x4000-0x7FFF	16384	ROM Bank	bank2
0x8000-0xFFFF	32768	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
0x8000-0xFFFF	32768	fi-18.10j	CRC(8605f6b9) (Fluke: B166)
0x10000-0x17FFF	32768	fi-19.12j	CRC(49508c93) (Fluke: 549A)

Memory Area:gfx1

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	fi-04.17c	CRC(a584fc16) (Fluke: B729)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	fi-06.3e	CRC(441d9154) (Fluke: 9828)
0x4000-0x5FFF	8192	fi-05.2e	CRC(8e6e7eec) (Fluke: DB6C)
0x10000-0x11FFF	8192	fi-08.6e	CRC(ef0a7e23) (Fluke: A517)
0x14000-0x15FFF	8192	fi-07.4e	CRC(ec080082) (Fluke: E89A)

Memory Area:gfx3

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	fi-10.3j	CRC(d11e28e8) (Fluke: 2197)
0x4000-0x5FFF	8192	fi-09.2j	CRC(c32a21d8) (Fluke: D841)
0x10000-0x11FFF	8192	fi-12.6j	CRC(6424d5c3) (Fluke: BA97)
0x14000-0x15FFF	8192	fi-11.4j	CRC(9b89300a) (Fluke: D1BD)

Memory Area:gfx4

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	fi-17.17h	CRC(0de055d7) (Fluke: 9FD2)
0x8000-0xFFFF	32768	fi-14.13h	CRC(dbcdd3df)
0x10000-0x17FFF	32768	fi-15.14h	CRC(6b65812e) (Fluke: 90AE)
0x18000-0x1FFFF	32768	fi-16.15h	CRC(3e27f77d) (Fluke: 5449)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	fi-03.4a	CRC(20b2a4ff)
0x10000-0x17FFF	32768	fi-02.3a	CRC(5c8a0562) (Fluke: 7B14)
0x18000-0x1FFFF	32768	fi-01.2a	CRC(f2412fe8) (Fluke: 9A32)

Memory Area:mcu

Address Range	Length	Label/Location	Description
0x0000-0x0FFF	4096	fi-13.16h

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	fi-2.3b	CRC(8bb45337),palette red and green component (Fluke: 0155)
0x0100-0x01FF	256	fi-3.4b	CRC(d5abfc64),palette blue component (Fluke: 43E5)
0x0200-0x02FF	256	fi-1.1a	CRC(d67f3514)