Backfire! 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.

Backfire! (Data East Corporation, 1995)

Memory Area:backfire_map

Address Range	Length	Function	Description
0x0000-0xFFFFF	1048576	ROM
0x100000-0x10001F	32	Device Read/Write	tilegen1, deco16ic_device, pf_control_dword_r, pf_control_dword_w
0x110000-0x111FFF	8192	Device Read/Write	tilegen1, deco16ic_device, pf1_data_dword_r, pf1_data_dword_w
0x114000-0x115FFF	8192	Device Read/Write	tilegen1, deco16ic_device, pf2_data_dword_r, pf2_data_dword_w
0x120000-0x120FFF	4096	Read/Write	backfire_pf1_rowscroll_r, backfire_pf1_rowscroll_w
0x124000-0x124FFF	4096	Read/Write	backfire_pf2_rowscroll_r, backfire_pf2_rowscroll_w
0x130000-0x13001F	32	Device Read/Write	tilegen2, deco16ic_device, pf_control_dword_r, pf_control_dword_w
0x140000-0x141FFF	8192	Device Read/Write	tilegen2, deco16ic_device, pf1_data_dword_r, pf1_data_dword_w
0x144000-0x145FFF	8192	Device Read/Write	tilegen2, deco16ic_device, pf2_data_dword_r, pf2_data_dword_w
0x150000-0x150FFF	4096	Read/Write	backfire_pf3_rowscroll_r, backfire_pf3_rowscroll_w
0x154000-0x154FFF	4096	Read/Write	backfire_pf4_rowscroll_r, backfire_pf4_rowscroll_w
0x160000-0x161FFF	8192	Write, Shared	backfire_nonbuffered_palette_w, paletteram
0x170000-0x177FFF	32768	RAM, Shared	mainram (// main ram)
0x184000-0x185FFF	8192	Read/Write	backfire_spriteram1_r, backfire_spriteram1_w
0x18C000-0x18DFFF	8192	Read/Write	backfire_spriteram2_r, backfire_spriteram2_w
0x190000-0x190003	4	Read	backfire_eeprom_r
0x194000-0x194003	4	Read	backfire_control2_r
0x1A4000-0x1A4003	4	Write	backfire_eeprom_w
0x1A8000-0x1A8003	4	RAM, Shared	left_priority
0x1AC000-0x1AC003	4	RAM, Shared	right_priority
0x1C0000-0x1C0007	8	Device Read/Write 8-bit	ymz, ymz280b_device, read, write, 0x000000ff

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
0x0000-0x7FFFF	524288	mbz-00.9a	CRC(1098d504) (Fluke: 25F3)
0x0000-0x7FFFF	524288	mbz-00.9a	CRC(1098d504) (Fluke: 25F3)
0x80000-0xFFFFF	524288	mbz-01.10a	CRC(19b81e5c) (Fluke: 9505)
0x80000-0xFFFFF	524288	mbz-01.10a	CRC(19b81e5c) (Fluke: 9505)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0xFFFFF	1048576	mbz-02.12a	CRC(2bd2b0a1) (Fluke: 91B2)
0x0000-0xFFFFF	1048576	mbz-02.12a	CRC(2bd2b0a1) (Fluke: 91B2)

Memory Area:plds

Address Range	Length	Label/Location	Description
0x0000-0x0116	279	gal16v8b.6b	PAL is read protected
0x0200-0x0316	279	gal16v8b.6d	PAL is read protected
0x0400-0x0516	279	gal16v8b.12n	PAL is read protected

Memory Area:ymz

Address Range	Length	Label/Location	Description
0x0000-0x1FFFFF	2097152	mbz-05.17l	CRC(947c1da6) (Fluke: 2CC8)
0x0000-0x1FFFFF	2097152	mbz-05.17l	CRC(947c1da6) (Fluke: 2CC8)
0x200000-0x27FFFF	524288	mbz-06.19l	CRC(4a38c635) (Fluke: 9062)
0x200000-0x27FFFF	524288	mbz-06.19l	CRC(4a38c635) (Fluke: 9062)