Springer 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.

Springer (Orca, 1982)

Memory Area:marineb_io_map

Address Range	Length	Function	Description
0x0008-0x0009	2	Device Write	ay1, ay8910_device, address_data_w

Memory Area:marineb_map

Address Range	Length	Function	Description
0x0000-0x7FFF	32768	ROM
0x8000-0x87FF	2048	RAM
0x8800-0x8BFF	1024	RAM Write, Shared	marineb_videoram_w, videoram
0x8C00-0x8C3F	64	RAM, Shared	spriteram (/* Hoccer only */)
0x9000-0x93FF	1024	RAM Write, Shared	marineb_colorram_w, colorram
0x9800	1	Write	marineb_column_scroll_w
0x9A00	1	Write	marineb_palette_bank_0_w
0x9C00	1	Write	marineb_palette_bank_1_w
0xA000	1	Read Port, Write	P2, irq_mask_w
0xA001	1	Write	marineb_flipscreen_y_w
0xA002	1	Write	marineb_flipscreen_x_w
0xA800	1	Read Port	P1
0xB000	1	Read Port	DSW
0xB800	1	Read Port, Write NOP	SYSTEM, (/* also watchdog */)

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
0x0000-0x0FFF	4096	springer.6	CRC(6a961833) (Fluke: 8655)
0x1000-0x1FFF	4096	springer.7	CRC(95ab8fc0) (Fluke: E999)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x0FFF	4096	springer.9	CRC(fa302775) (Fluke: E7D1)
0x2000-0x2FFF	4096	springer.8	CRC(a54bafdc) (Fluke: 191C)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x0FFF	4096	springer.1	CRC(0794103a) (Fluke: 3BB0)
0x1000-0x1FFF	4096	springer.2	CRC(f4aecd9a) (Fluke: 751F)
0x2000-0x2FFF	4096	springer.3	CRC(2f452371) (Fluke: 63CC)
0x3000-0x3FFF	4096	springer.4	CRC(859d1bf5) (Fluke: 0326)
0x4000-0x4FFF	4096	springer.5	CRC(72adbbe3) (Fluke: 0D2D)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	1b.vid	CRC(a2f935aa),palette low 4 bits (Fluke: 8D5E)
0x0100-0x01FF	256	1c.vid	CRC(b95421f4),palette high 4 bits (Fluke: 9A96)