Arabian 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.

Arabian (Sun Electronics, 1983)

Memory Area:main_io_map

Address Range	Length	Function	Description
0xC800	1	Mirror, Device Write	0x01ff, aysnd, ay8910_device, address_w
0xCA00	1	Mirror, Device Write	0x01ff, aysnd, ay8910_device, data_w

Memory Area:main_map

Address Range

Length

Function

Description

0x0000-0x7FFF

32768

ROM

0x8000-0xBFFF

16384

Write

arabian_videoram_w

0xC000

Mirror, Read Port

0x01ff, IN0

0x0001	Coin 1	Active High
0x0002	Coin 2	Active High
0x00f8	Unknown	Active High

0xC200

Mirror, Read Port

0x01ff, DSW1

0x0001	Lives	Active High
0x0000	3	Active High
0x0001	5	Active High
0x0002	Cabinet	Active High
0x0002	Upright	Active High
0x0000	Cocktail	Active High
0x0004	Flip_Screen	Active High
0x0004	Off	Active High
0x0000	On	Active High
0x0008	Difficulty	Active High
0x0000	Easy	Active High
0x0008	Hard	Active High
0x00f0	Coinage	Active High
0x0010	A 2/1 B 2/1	Active High
0x0020	A 2/1 B 1/3	Active High
0x0000	A 1/1 B 1/1	Active High
0x0030	A 1/1 B 1/2	Active High
0x0040	A 1/1 B 1/3	Active High
0x0050	A 1/1 B 1/4	Active High
0x0060	A 1/1 B 1/5	Active High
0x0070	A 1/1 B 1/6	Active High
0x0080	A 1/2 B 1/2	Active High
0x0090	A 1/2 B 1/4	Active High
0x00a0	A 1/2 B 1/5	Active High
0x00e0	A 1/2 B 1/6	Active High
0x00b0	A 1/2 B 1/10	Active High
0x00c0	A 1/2 B 1/11	Active High
0x00d0	A 1/2 B 1/12	Active High
0x00f0	Free_Play	Active High

0xD000-0xD7FF

2048

Mirror, RAM, Shared

0x0800, , custom_cpu_ram

0xE000-0xE007

Mirror, Write, Shared

0x0ff8, arabian_blitter_w, blitter

Memory Area:mcu_io_map

Address Range	Length	Function	Description
0x0000	1	Read	mcu_portk_r
0x0000	1	Write	mcu_port_p_w
0x0000	1	Write	mcu_port_o_w
0x0000	1	Read/Write	mcu_port_r_r, mcu_port_r_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
0x0000-0x1FFF	8192	tvg-91.ic84	CRC(c4637822) (Fluke: 1040)
0x2000-0x3FFF	8192	tvg-92.ic85	CRC(f7c6866d) (Fluke: E0FC)
0x4000-0x5FFF	8192	tvg-93.ic86	CRC(71acd48d) (Fluke: 1AEF)
0x6000-0x7FFF	8192	tvg-94.ic87	CRC(82160b9a) (Fluke: 34EA)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	ic1rev2.87	CRC(5e1c98b8) (Fluke: CEF2)
0x2000-0x3FFF	8192	ic2rev2.88	CRC(092f587e) (Fluke: DD0D)
0x4000-0x5FFF	8192	ic3rev2.89	CRC(15145f23) (Fluke: CFBC)
0x6000-0x7FFF	8192	ic4rev2.90	CRC(32b77b44) (Fluke: 8261)

Memory Area:mcu

Address Range	Length	Label/Location	Description
0x0000-0x07FF	2048	sun-8212.ic3	CRC(8869611e)