Black Dragon 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.

Black Dragon (bootleg, 1987)

Memory Area:blktiger_io_map

Address Range	Length	Function	Description
0x0000	1	Read Port, Device Write	IN0, soundlatch, generic_latch_8_device, write
0x0001	1	Read Port, Write	IN1, blktiger_bankswitch_w
0x0002	1	Read Port	IN2
0x0003	1	Read Port, Write	DSW0, blktiger_coinlockout_w
0x0004	1	Read Port, Write	DSW1, blktiger_video_control_w
0x0005	1	Read Port	FREEZE
0x0006	1	Device Write	watchdog, watchdog_timer_device, reset_w
0x0007	1	Read/Write	blktiger_from_mcu_r,blktiger_to_mcu_w (/* Software protection (7) */)
0x0008-0x0009	2	Write	blktiger_scrollx_w
0x000A-0x000B	2	Write	blktiger_scrolly_w
0x000C	1	Write	blktiger_video_enable_w
0x000D	1	Write	blktiger_bgvideoram_bank_w
0x000E	1	Write	blktiger_screen_layout_w

Memory Area:blktiger_map

Address Range	Length	Function	Description
0x0000-0x7FFF	32768	ROM
0x8000-0xBFFF	16384	ROM Bank	bank1
0xC000-0xCFFF	4096	Read/Write	blktiger_bgvideoram_r, blktiger_bgvideoram_w
0xD000-0xD7FF	2048	RAM Write, Shared	blktiger_txvideoram_w, txvideoram
0xD800-0xDBFF	1024	RAM Device Write, Shared	palette, palette_device, write, palette
0xDC00-0xDFFF	1024	RAM Device Write, Shared	palette, palette_device, write_ext, palette_ext
0xE000-0xFDFF	7680	RAM
0xFE00-0xFFFF	512	RAM, Shared	spriteram

Memory Area:blktiger_mcu_map

Address Range	Length	Function	Description
0x0000-0x0FFF	4096	ROM

Memory Area:blktiger_sound_map

Address Range	Length	Function	Description
0x0000-0x7FFF	32768	ROM
0xC000-0xC7FF	2048	RAM
0xC800	1	Device Read	soundlatch, generic_latch_8_device, read
0xE000-0xE001	2	Device Read/Write	ym1, ym2203_device, read, write
0xE002-0xE003	2	Device Read/Write	ym2, ym2203_device, read, write

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
0x0000-0x7FFF	32768	bd-06.1l	CRC(2cf54274) (Fluke: E3C2)

Memory Area:gfx1

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	b5	CRC(852ad2b7),characters (Fluke: AD5D)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	blkdrgon.5b	CRC(22d0a4b0),tiles (Fluke: 4023)
0x10000-0x1FFFF	65536	b1	CRC(053ab15c) (Fluke: 84E0)
0x20000-0x2FFFF	65536	blkdrgon.9b	CRC(9498c378) (Fluke: 6D0B)
0x30000-0x3FFFF	65536	b3	CRC(9dc6e943) (Fluke: 6C81)

Memory Area:gfx3

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	bd-08.5a	CRC(e2f17438),sprites (Fluke: 3132)
0x10000-0x1FFFF	65536	bd-07.4a	CRC(5fccbd27) (Fluke: 90CE)
0x20000-0x2FFFF	65536	bd-10.9a	CRC(fc33ccc6) (Fluke: B6F7)
0x30000-0x3FFFF	65536	bd-09.8a	CRC(f449de01) (Fluke: 0C52)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	a1	CRC(7caf2ba0),CODE (Fluke: 1DEA)
0x10000-0x1FFFF	65536	blkdrgon.6e	CRC(7d39c26f),0+1 (Fluke: 78D6)
0x20000-0x2FFFF	65536	a3	CRC(f4cd0f39),2+3 (Fluke: 2D0F)
0x30000-0x3FFFF	65536	blkdrgon.9e	CRC(4d1d6680),4+5 (Fluke: 9175)
0x40000-0x4FFFF	65536	blkdrgon.10e	CRC(c8d0c45e),6+7 (Fluke: DB0D)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	bd01.8j	CRC(29b459e5) (Fluke: 73C5)
0x0100-0x01FF	256	bd02.9j	CRC(8b741e66) (Fluke: D638)
0x0200-0x02FF	256	bd03.11k	CRC(27201c75) (Fluke: DE14)
0x0300-0x03FF	256	bd04.11l	CRC(e5490b68) (Fluke: 41F6)