Basket Ball 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.

Basket Ball (IDSA, 1987)

Memory Area:maincpu_io_map

Address Range	Length	Function	Description
0x0000-0x000F	16	Read Port	X0
0x0010-0x001F	16	Read Port	X1
0x0020-0x002F	16	Read Port	X2
0x0030-0x003F	16	Read Port	X3
0x0040-0x004F	16	Read Port	X4
0x0050-0x005F	16	Read Port	X5
0x0060-0x006F	16	Read Port	X6
0x0070-0x007F	16	Read Port	X7
0x0080-0x008F	16	Write	port80_w
0x0090-0x009F	16	Write	port90_w
0x00B0-0x00B3	4	Read	portb0_r
0x00BD	1	Read Port	X8
0x00D0-0x00DF	16	Device Write	speech, sp0256_device, ald_w
0x00E0-0x00EF	16	Device Read/Write	aysnd1, ay8910_device, data_r, address_data_w
0x00F0-0x00FF	16	Device Read/Write	aysnd2, ay8910_device, data_r, address_data_w

Memory Area:maincpu_map

Address Range	Length	Function	Description
0x0000-0x7FFF	32768	ROM
0x8000-0x87FF	2048	RAM

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:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	bsktball.256	CRC(d474e29b)

Memory Area:speech

Address Range	Length	Label/Location	Description
0x1000-0x17FF	2048	sp0256a-al2.1b	CRC(b504ac15)