Laser Battle 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.

Laser Battle (Zaccaria, 1981)

Memory Area:laserbat_io_map

Address Range	Length	Function	Description
0x0000	1	Read Port	SENSE
0x0000	1	Read, Write	rhsc_r, cnt_eff_w
0x0001	1	Unknown	(/* RBALL */ AM_WRITE(cnt_nav_w))
0x0002	1	Read, Write	rrowx_r, csound1_w
0x0003	1	Write	whsc_w
0x0004	1	Write	wcoh_w
0x0005	1	Write	wcov_w
0x0006	1	Write	ct_io_w
0x0007	1	Write	csound2_w

Memory Area:laserbat_map

Address Range	Length	Function	Description
0x0000-0x13FF	5120	ROM
0x1400-0x14FF	256	Mirror, Write NOP	0x6000,
0x1500-0x15FF	256	Mirror, Device Read/Write	0x6000, pvi1, s2636_device, read_data, write_data
0x1600-0x16FF	256	Mirror, Device Read/Write	0x6000, pvi2, s2636_device, read_data, write_data
0x1700-0x17FF	256	Mirror, Device Read/Write	0x6000, pvi3, s2636_device, read_data, write_data
0x1800-0x1BFF	1024	Mirror, Write	0x6000, videoram_w
0x1C00-0x1FFF	1024	Mirror, RAM	0x6000,
0x2000-0x33FF	5120	ROM
0x3800-0x3BFF	1024	ROM
0x4000-0x53FF	5120	ROM
0x6000-0x73FF	5120	ROM
0x7800-0x7BFF	1024	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
0x0000-0x07FF	2048	lb02.8g	CRC(4bb9f452) (Fluke: DE)
0x0800-0x0FFF	2048	lb02.10g	CRC(5fec6517) (Fluke: 1E09)
0x1000-0x17FF	2048	lb02.11g	CRC(ceaf00a4) (Fluke: 7238)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x07FF	2048	lb02.14l	CRC(d29962d1) (Fluke: FEAC)

Memory Area:gfxmix

Address Range	Length	Label/Location	Description
0x0000-0x00F4	245	82s100_prom	CRC(c3eb562a) (Fluke: 42F6)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x03FF	1024	lb02.7c	CRC(23a257cd) (Fluke: 6FF6)
0x0400-0x07FF	1024	lb02.6c	CRC(d1d6a67a) (Fluke: C108)
0x0800-0x0BFF	1024	lb02.5c	CRC(8116f1d3) (Fluke: D9BD)
0x0C00-0x0FFF	1024	lb02.3c	CRC(443ef61e) (Fluke: E3EC)
0x1000-0x13FF	1024	lb02.2c	CRC(0cb8f5f1) (Fluke: F8B8)
0x2000-0x23FF	1024	lb02.7b	CRC(bdc769d1) (Fluke: 4340)
0x2400-0x27FF	1024	lb02.6b	CRC(2103646f) (Fluke: 12F2)
0x2800-0x2BFF	1024	lb02.5b	CRC(3f8c4246) (Fluke: A886)
0x2C00-0x2FFF	1024	lb02.3b	CRC(3e557d52) (Fluke: D963)
0x3000-0x33FF	1024	lb02.2b	CRC(39000248) (Fluke: A7B8)