New Sinbad 7 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.

New Sinbad 7 (ATW USA, Inc., 1983)

Memory Area:newsin7_map

Address Range	Length	Function	Description
0x0000-0x3FFF	16384	ROM
0x4000-0x47FF	2048	RAM
0x4800-0x4BFF	1024	RAM Write, Shared	galaxold_videoram_w, videoram
0x4C00-0x4FFF	1024	Read	galaxold_videoram_r
0x5000-0x503F	64	RAM Write, Shared	galaxold_attributesram_w, attributesram
0x5040-0x505F	32	RAM, Shared	spriteram
0x5060-0x507F	32	RAM, Shared	bulletsram
0x5080-0x50FF	128	RAM
0x6800	1	Write	galaxold_coin_counter_1_w
0x6801	1	Write	galaxold_stars_enable_w
0x6808	1	Write	galaxold_coin_counter_0_w
0x6809	1	Write	galaxold_flip_screen_x_w
0x680B	1	Write	galaxold_flip_screen_y_w
0x7000	1	Device Read	watchdog, watchdog_timer_device, reset_r
0x8200-0x820F	16	Read/Write	mars_ppi8255_1_r, mars_ppi8255_1_w
0xA000-0xAFFF	4096	ROM
0xC100-0xC10F	16	Read/Write	mars_ppi8255_0_r, mars_ppi8255_0_w

Memory Area:scramble_map

Address Range

Length

Function

Description

0x0000-0x3FFF

16384

ROM

0x4000-0x47FF

2048

RAM

0x4800-0x4BFF

1024

RAM Write, Shared

galaxold_videoram_w, videoram

0x4C00-0x4FFF

1024

Read/Write

galaxold_videoram_r, galaxold_videoram_w (/* mirror address */)

0x5000-0x503F

RAM Write, Shared

galaxold_attributesram_w, attributesram

0x5040-0x505F

RAM, Shared

spriteram

0x5060-0x507F

RAM, Shared

bulletsram

0x5080-0x50FF

128

RAM

0x6801

Write

galaxold_nmi_enable_w

0x6802

Write

galaxold_coin_counter_w

0x6804

Write

galaxold_stars_enable_w

0x6806

Write

galaxold_flip_screen_x_w

0x6807

Write

galaxold_flip_screen_y_w

0x7000

Device Read

watchdog, watchdog_timer_device, reset_r

0x7800

Device Read

watchdog, watchdog_timer_device, reset_r

0x8100-0x8103

Device Read/Write

ppi8255_0, i8255_device, read, write

0x0001	Joystick Up	Active Low
0x0002	Unknown	Active Low
0x0004	Unknown	Active Low
0x0008	Button 1	Active Low
0x0010	Joystick Right	Active Low
0x0020	Joystick Left	Active Low
0x0040	Coin 2	Active Low
0x0080	Coin 1	Active Low

0x8110-0x8113

Device Read

ppi8255_0, i8255_device, read (/* mirror for Frog */)

0x0001	Joystick Up	Active Low
0x0002	Unknown	Active Low
0x0004	Unknown	Active Low
0x0008	Button 1	Active Low
0x0010	Joystick Right	Active Low
0x0020	Joystick Left	Active Low
0x0040	Coin 2	Active Low
0x0080	Coin 1	Active Low

0x8200-0x8203

Device Read/Write

ppi8255_1, i8255_device, read, write

Memory Area:scramble_sound_io_map

Address Range	Length	Function	Description
0x0010	1	Device Write	8910.1, ay8910_device, address_w
0x0020	1	Device Read/Write	8910.1, ay8910_device, data_r, data_w
0x0040	1	Device Write	8910.2, ay8910_device, address_w
0x0080	1	Device Read/Write	8910.2, ay8910_device, data_r, data_w

Memory Area:scramble_sound_map

Address Range	Length	Function	Description
0x0000-0x2FFF	12288	ROM
0x8000-0x8FFF	4096	Read/Write	scramble_soundram_r, scramble_soundram_w
0x8000-0x83FF	1024	Write NOP, Shared	soundram (/* only here to initialize pointer */)
0x9000-0x9FFF	4096	Write	scramble_filter_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:audiocpu

Address Range	Length	Label/Location	Description
0x0000-0x07FF	2048	newsin.13	CRC(d88489a2) (Fluke: 4DA0)
0x0800-0x0FFF	2048	newsin.12	CRC(b154a7af) (Fluke: FEEA)
0x1000-0x17FF	2048	newsin.11	CRC(7ade709b) (Fluke: 4DDB)

Memory Area:gfx1

Address Range	Length	Label/Location	Description
0x0000-0x0FFF	4096	newsin.9	CRC(6b87adff) (Fluke: E38F)
0x1000-0x1FFF	4096	newsin.8	CRC(0c5b895a) (Fluke: 8364)
0x2000-0x2FFF	4096	newsin.7	CRC(6bc5d64f) (Fluke: FDD3)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x0FFF	4096	newsin.1	CRC(e6c23fe0) (Fluke: 328A)
0x1000-0x1FFF	4096	newsin.2	CRC(3d477b5f) (Fluke: C46A)
0x2000-0x2FFF	4096	newsin.3	CRC(7dfa9af0) (Fluke: 7DC8)
0x3000-0x3FFF	4096	newsin.4	CRC(d1b0ba19) (Fluke: FE79)
0xA000-0xAFFF	4096	newsin.5	CRC(06275d59) (Fluke: A009)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x001F	32	newsin.6	CRC(5cf2cd8d) (Fluke: 67F7)