Night Driver 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.

Night Driver (Atari, 1976)

Memory Area:nitedrvr_map

Address Range	Length	Function	Description
0x0000-0x00FF	256	RAM, Mirror	0x100 (// SCRAM)
0x0200-0x027F	128	Read NOP, Write, Mirror, Shared	nitedrvr_videoram_w, 0x180, videoram (// PFW)
0x0400-0x042F	48	Read NOP, Write Only, Mirror, Shared	0x1c0, hvc (// POSH, POSV, CHAR)
0x0430-0x043F	16	Device Write, Mirror	watchdog, watchdog_timer_device, reset_w, 0x1c0
0x0600-0x07FF	512	Read	nitedrvr_in0_r
0x0800-0x09FF	512	Read	nitedrvr_in1_r
0x0A00-0x0BFF	512	Write	nitedrvr_out0_w
0x0C00-0x0DFF	512	Write	nitedrvr_out1_w
0x8000-0x807F	128	Read Only, Mirror, Shared	0x380, videoram (// PFR)
0x8400-0x87FF	1024	Read/Write	nitedrvr_steering_reset_r, nitedrvr_steering_reset_w
0x9000-0x9FFF	4096	ROM	(// ROM1-ROM2)
0xFFF0-0xFFFF	16	ROM	(// ROM2 for 6502 vectors)

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
0x9000-0x97FF	2048	006569-01.d2	CRC(7afa7542) (Fluke: 8A32)
0x9800-0x9FFF	2048	006570-01.f2	CRC(bf5d77b1) (Fluke: 75E2)