Magic Worm 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.

Magic Worm (bootleg (Sidam), 1980)

Memory Area:centiped_base_map

Address Range	Length	Function	Description
0x0000-0x03FF	1024	RAM, Shared	rambase
0x0400-0x07BF	960	RAM Write, Shared	centiped_videoram_w, videoram
0x07C0-0x07FF	64	RAM, Shared	spriteram
0x0800	1	Read Port	DSW1
0x0801	1	Read Port	DSW2
0x0C00	1	Read	centiped_IN0_r
0x0C01	1	Read Port	IN1
0x0C02	1	Read	centiped_IN2_r
0x0C03	1	Read Port	IN3
0x1400-0x140F	16	Write, Shared	centiped_paletteram_w, paletteram
0x1600-0x163F	64	Device Write	earom,atari_vg_earom_device, write
0x1680	1	Device Write	earom, atari_vg_earom_device, ctrl_w
0x1700-0x173F	64	Device Read	earom, atari_vg_earom_device, read
0x1800	1	Write	irq_ack_w
0x1C00-0x1C02	3	Write	coin_count_w
0x1C03-0x1C04	2	Write	led_w
0x1C07	1	Write	centiped_flip_screen_w
0x2000-0x3FFF	8192	ROM
0x2000	1	Device Write	watchdog, watchdog_timer_device, reset_w

Memory Area:magworm_map

Address Range	Length	Function	Description
0x1001	1	Device Write	aysnd, ay8910_device, address_w
0x1003	1	Device Read/Write	aysnd, ay8910_device, data_r, data_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
0x0000-0x07FF	2048	11005-4.c4	CRC(cea64e1a) (Fluke: FDFE)
0x0800-0x0FFF	2048	11005-5.c5	CRC(24558ea5) (Fluke: F821)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x2000-0x27FF	2048	11005-0.k0	CRC(a88e970a) (Fluke: 76F6)
0x2800-0x2FFF	2048	11005-1.k1	CRC(7a04047e) (Fluke: 6EBE)
0x3000-0x37FF	2048	11005-2.k2	CRC(f127f1c3) (Fluke: 661F)
0x3800-0x3FFF	2048	11005-3p.k3	CRC(478d92b4) (Fluke: EAD0)