Invader's Revenge 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.

Invader's Revenge (Zenitone-Microsec Ltd. (Game World license), 0)

Memory Area:invrvnge_io_map

Address Range	Length	Function	Description
0x0000	1	Read Port	IN0
0x0001	1	Read Port	IN1
0x0002	1	Read, Device Write	invrvnge_02_r, mb14241, mb14241_device, shift_count_w
0x0003	1	Device Read, Write	mb14241, mb14241_device, shift_result_r, invrvnge_sh_port_1_w
0x0004	1	Device Write	mb14241, mb14241_device, shift_data_w
0x0005	1	Write	invrvnge_sh_port_2_w
0x0006	1	Device Write	watchdog, watchdog_timer_device, reset_w

Memory Area:invrvnge_sound_map

Address Range	Length	Function	Description
0x0000-0xFFFF	65536	ROM	(// dummy prg map, TODO: decrypt 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:audiocpu

Address Range	Length	Label/Location	Description
0xF000-0xF7FF	2048	ir.1t	CRC(64e9e81e)
0xF800-0xFFFF	2048	ir.1u	CRC(152fc85e)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x07FF	2048	ir.5m	CRC(4fe35d1f)
0x0800-0x0FFF	2048	ir.5n	CRC(92d0442c)
0x1000-0x17FF	2048	ir.5p	CRC(18d2372d)
0x1800-0x1FFF	2048	ir.5r	CRC(657ddf27)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x07FF	2048	ir.3r	CRC(6ce639bf)