Yumefuda [BET] 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.

Yumefuda [BET] (Alba, 1991)

Memory Area:main_map

Address Range	Length	Function	Description
0x0000-0x7FFF	32768	ROM
0x8000-0x9FFF	8192	ROM Bank	bank1
0xA7FC	1	Write	prot_lock_w
0xA7FF	1	Write Port	EEPROMOUT
0xAF80-0xAFFF	128	Read/Write, Shared	custom_ram_r, custom_ram_w, cus_ram
0xB000-0xB07F	128	RAM Device Write, Shared	palette, palette_device, write, palette
0xB080-0xB0FF	128	RAM Device Write, Shared	palette, palette_device, write_ext, palette_ext
0xC000-0xC3FF	1024	RAM Write, Shared	yumefuda_vram_w, videoram
0xD000-0xD3FF	1024	RAM Write, Shared	yumefuda_cram_w, colorram
0xE000-0xFFFF	8192	RAM

Memory Area:port_map

Address Range

Length

Function

Description

0x0000

Device Write

crtc, mc6845_device, address_w

0x0001

Device Write

crtc, mc6845_device, register_w

0x0040

Device Read

aysnd, ay8910_device, data_r

0x0040-0x0041

Device Write

aysnd, ay8910_device, address_data_w

0x0080-0x0083

Device Read/Write

ppi8255_0, i8255_device, read, write

0x0001	Reset SW	Active Low
0x0002	Meter SW	Active Low
0x0004	Unused	Active Low
0x0008	Coin Out	Active Low
0x0010	Pay Out	Active Low
0x0020	Init SW	Active Low
0x0040	Special	Active Low
0x0080	Unused	Active Low

0x00C0

Device Write

watchdog, watchdog_timer_device, reset_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	zg001006.u6	CRC(a5df443c) (Fluke: A2)
0x4000-0x7FFF	16384	zg001005.u5	CRC(158b6cde) (Fluke: FDE0)
0x8000-0xBFFF	16384	zg001004.u4	CRC(d8676435) (Fluke: 1B01)
0xC000-0xFFFF	16384	zg001003.u3	CRC(5822ff27) (Fluke: 78CC)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	zg004y02.u43	CRC(974c543c) (Fluke: 389D)
0x10000-0x17FFF	32768	zg004y01.u42	CRC(ae99126b) (Fluke: 9DCF)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	zg1-007.u13