Green Beret 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.

Green Beret (bootleg, 1985)

Memory Area:gberetb_map

Address Range	Length	Function	Description
0x0000-0xBFFF	49152	ROM
0xC000-0xC7FF	2048	RAM Write, Shared	gberet_colorram_w, colorram
0xC800-0xCFFF	2048	RAM Write, Shared	gberet_videoram_w, videoram
0xD000-0xDFFF	4096	RAM
0xE000-0xE03F	64	RAM
0xE040-0xE043	4	Write NOP	(// ???)
0xE044	1	Write	gberetb_flipscreen_w (// did hw even support flipscreen?)
0xE800-0xE8FF	256	RAM
0xE900-0xE9FF	256	RAM, Shared	spriteram
0xF000	1	Write NOP	(// coin counter not supported)
0xF200	1	Read Port	DSW2
0xF400	1	Device Write	snsnd, sn76489a_device, write
0xF600	1	Read Port	P2
0xF601	1	Read Port	DSW1
0xF602	1	Read Port	P1
0xF603	1	Read Port	SYSTEM
0xF800	1	Read/Write	gberetb_irq_ack_r, gberetb_nmi_ack_w
0xF900-0xF901	2	Write	gberetb_scroll_w

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
0x0000-0x3FFF	16384	1-ic92.12c	CRC(b0189c87) (Fluke: DC6E)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x3FFF	16384	7-1c8.2b	CRC(86334522) (Fluke: 9677)
0x4000-0x7FFF	16384	6-ic9.2c	CRC(bda50d3e) (Fluke: 0D0B)
0x8000-0xBFFF	16384	5-ic10.2d	CRC(6a7b3881) (Fluke: E1AB)
0xC000-0xFFFF	16384	4-ic11.2e	CRC(3fb186c9) (Fluke: 71FC)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	2-ic82.10g	CRC(6d6fb494) (Fluke: 7B82)
0x8000-0xBFFF	16384	3-ic81.10f	CRC(f1520a0a) (Fluke: 9EA3)

Memory Area:plds

Address Range	Length	Label/Location	Description
0x0000-0x0103	260	pal16r6_ic35.5h	CRC(bd76fb53) (Fluke: 8EF8)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x001F	32	577h09	CRC(c15e7c80) (Fluke: 4255)
0x0020-0x011F	256	577h11.6f	CRC(2a1a992b) (Fluke: 90F2)
0x0120-0x021F	256	577h10.5f	CRC(e9de1e53) (Fluke: 8D07)