Sai Yu Gou Ma Roku 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.

Sai Yu Gou Ma Roku (Technos Japan, 1988)

Memory Area:main_map

Address Range	Length	Function	Description
0x0000-0x1FFF	8192	RAM, Shared	share1
0x2000-0x27FF	2048	RAM Write, Shared	ddragon_fgvideoram_w, fgvideoram
0x2800-0x2FFF	2048	RAM Write, Shared	ddragon_bgvideoram_w, bgvideoram
0x3000-0x317F	384	Device Write, Shared	palette, palette_device, write, palette
0x3400-0x357F	384	Device Write, Shared	palette, palette_device, write_ext, palette_ext
0x3800-0x397F	384	Write Bank, Shared	bank3, spriteram
0x3E00-0x3E04	5	Write	chinagat_interrupt_w
0x3E06	1	Write Only, Shared	scrolly_lo
0x3E07	1	Write Only, Shared	scrollx_lo
0x3F00	1	Write	chinagat_video_ctrl_w
0x3F00	1	Read Port	SYSTEM
0x3F01	1	Write	chinagat_bankswitch_w
0x3F01	1	Read Port	DSW1
0x3F02	1	Read Port	DSW2
0x3F03	1	Read Port	P1
0x3F04	1	Read Port	P2
0x4000-0x7FFF	16384	ROM Bank	bank1
0x8000-0xFFFF	32768	ROM

Memory Area:sound_map

Address Range	Length	Function	Description
0x0000-0x7FFF	32768	ROM
0x8000-0x87FF	2048	RAM
0x8800-0x8801	2	Device Read/Write	ymsnd, ym2151_device, read, write
0x9800	1	Device Read/Write	oki, okim6295_device, read, write
0xA000	1	Device Read	soundlatch, generic_latch_8_device, read

Memory Area:sub_map

Address Range	Length	Function	Description
0x0000-0x1FFF	8192	RAM, Shared	share1
0x2000	1	Write	chinagat_sub_bankswitch_w
0x2800	1	Write Only	(/* Called on CPU start and after return from jump table */)
0x4000-0x7FFF	16384	ROM Bank	bank4
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:gfx3

Address Range	Length	Label/Location	Description
0x10000-0x1FFFF	65536	saiyugou_a-12	BAD_DUMP CRC(3c864299) (Fluke: 74E6)
0x20000-0x2FFFF	65536	saiyugou_a-15	BAD_DUMP CRC(2f268f37) (Fluke: E46C)
0x30000-0x3FFFF	65536	saiyugou_a-14	BAD_DUMP CRC(aef814c8) (Fluke: 0F75)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x10000-0x27FFF	98304	23j3-0.51	CRC(aa8132a2),Banks 0x4000 long @ 0x4000 (Fluke: 2A9F)

Memory Area:oki

Address Range	Length	Label/Location	Description
0x0000-0x1FFFF	131072	23j1-0.53	CRC(f91f1001) (Fluke: B845)
0x20000-0x3FFFF	131072	23j2-0.52	CRC(8b6f26e9) (Fluke: C760)

Memory Area:sub

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	23j0-0.40	CRC(9ffcadb6) (Fluke: 2664)
0x10000-0x27FFF	98304	23j4-0.48	CRC(2914af38),Banks 0x4000 long @ 0x4000 (Fluke: 1B)

Memory Area:user1

Address Range	Length	Label/Location	Description
0x0000-0x01FF	512	23jb-0.16	CRC(46339529),82S131 on video board (Fluke: 083F)
0x0200-0x02FF	256	23j5-0.45	CRC(fdb130a9),82S129 on main board (Fluke: 75FB)