Sprint 2 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.

Sprint 2 (Atari (Kee Games), 1976)

Memory Area:sprint2_map

Address Range	Length	Function	Description
0x0000-0x03FF	1024	Read/Write	sprint2_wram_r,sprint2_wram_w
0x0400-0x07FF	1024	RAM Write, Shared	sprint2_video_ram_w, video_ram
0x0818-0x081F	8	Read	sprint2_input_A_r
0x0828-0x082F	8	Read	sprint2_input_B_r
0x0830-0x0837	8	Read	sprint2_dip_r
0x0840-0x087F	64	Read Port	COIN
0x0880-0x08BF	64	Read	sprint2_steering1_r
0x08C0-0x08FF	64	Read	sprint2_steering2_r
0x0C00-0x0C0F	16	Write	sprint2_attract_w
0x0C00-0x0FFF	1024	Read	sprint2_sync_r
0x0C10-0x0C1F	16	Write	sprint2_skid1_w
0x0C20-0x0C2F	16	Write	sprint2_skid2_w
0x0C30-0x0C3F	16	Write	sprint2_lamp1_w
0x0C40-0x0C4F	16	Write	sprint2_lamp2_w
0x0C60-0x0C6F	16	Write NOP	(/* SPARE */)
0x0C80-0x0CFF	128	Device Write	watchdog, watchdog_timer_device, reset_w
0x0D00-0x0D7F	128	Write	sprint2_collision_reset1_w
0x0D80-0x0DFF	128	Write	sprint2_collision_reset2_w
0x0E00-0x0E7F	128	Write	sprint2_steering_reset1_w
0x0E80-0x0EFF	128	Write	sprint2_steering_reset2_w
0x0F00-0x0F7F	128	Write	sprint2_noise_reset_w
0x1000-0x13FF	1024	Read	sprint2_collision1_r
0x1400-0x17FF	1024	Read	sprint2_collision2_r
0x1800	1	Read NOP	(/* debugger ROM location? */)
0x2000-0x3FFF	8192	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:maincpu

Address Range	Length	Label/Location	Description
0x2000-0x27FF	2048	6290-01.b1	CRC(41fc985e) (Fluke: DDCF)
0x2000-0x27FF	2048	6290-01.b1	CRC(41fc985e) (Fluke: DDCF)
0x2800-0x2FFF	2048	6291-01.c1	CRC(07f7a920) (Fluke: A197)
0x2800-0x2FFF	2048	6291-01.c1	CRC(07f7a920) (Fluke: A197)
0x3000-0x37FF	2048	6404.d1	CRC(d2878ff6) (Fluke: 575A)
0x3000-0x37FF	2048	6404.d1	CRC(d2878ff6) (Fluke: 575A)
0x3800-0x3FFF	2048	6405.e1	CRC(6c991c80) (Fluke: D7E8)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	6400-01.m2	CRC(b8094b4c),SYNC (Fluke: 695B)
0x0000-0x00FF	256	6400-01.m2	CRC(b8094b4c),SYNC (Fluke: 695B)
0x0100-0x011F	32	6401-01.e2	CRC(857df8db),address (Fluke: 0EC8)
0x0100-0x011F	32	6401-01.e2	CRC(857df8db),address (Fluke: 0EC8)