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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.
Quasar (Zaccaria / Zelco, 1980)
Memory Area:quasar
Address RangeLengthFunctionDescription
0x0000-0x13FF5120ROM
0x1400-0x14FF256Mirror, Read, Write, Shared0x6000, cvs_bullet_ram_or_palette_r, quasar_bullet_w, bullet_ram
0x1500-0x15FF256Mirror, Read/Write0x6000, cvs_s2636_0_or_character_ram_r, cvs_s2636_0_or_character_ram_w
0x1600-0x16FF256Mirror, Read/Write0x6000, cvs_s2636_1_or_character_ram_r, cvs_s2636_1_or_character_ram_w
0x1700-0x17FF256Mirror, Read/Write0x6000, cvs_s2636_2_or_character_ram_r, cvs_s2636_2_or_character_ram_w
0x1800-0x1BFF1024Mirror, Read, Write, Shared0x6000, cvs_video_or_color_ram_r, quasar_video_w, video_ram
0x1C00-0x1FFF1024Mirror, RAM0x6000,
0x2000-0x33FF5120ROM
0x4000-0x53FF5120ROM
0x6000-0x73FF5120ROM
Memory Area:quasar_io
Address RangeLengthFunctionDescription
0x00001Read PortSENSE
0x0080CustomActive High
0x00001Read, Write NOPcvs_collision_r,
0x0000-0x00034Read/Writequasar_IO_r, video_page_select_w
0x00001Read, Writecvs_collision_clear, quasar_sh_command_w
0x0008-0x000B4Writeio_page_select_w
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048ROM
Memory Area:sound_portmap
Address RangeLengthFunctionDescription
0x00001Readaudio_t1_r
0x0000-0x007F128RAM
0x00001Device Writedac, dac_byte_interface, write
0x00801Readquasar_sh_command_r
 

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 RangeLengthLabel/LocationDescription
0x0000-0x07FF20486g.binCRC(deb2f4a9) (Fluke: 994B)
0x0000-0x07FF20486g.binCRC(deb2f4a9) (Fluke: 994B)
0x0800-0x0FFF20487g.binCRC(76222f30) (Fluke: 2000)
0x0800-0x0FFF20487g.binCRC(76222f30) (Fluke: 2000)
0x1000-0x17FF20489g.binCRC(fd0a36e9) (Fluke: 5128)
0x1000-0x17FF20489g.binCRC(fd0a36e9) (Fluke: 5128)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF10247b_01.binCRC(20a7feaf) (Fluke: C921)
0x0000-0x03FF10247b_01.binCRC(20a7feaf) (Fluke: C921)
0x0400-0x07FF10246b_02.binCRC(c14af4a1) (Fluke: 6D01)
0x0400-0x07FF10246b_02.binCRC(c14af4a1) (Fluke: 6D01)
0x0800-0x0BFF10245b_03.binCRC(3f051d8b) (Fluke: 7AF9)
0x0800-0x0BFF10245b_03.binCRC(3f051d8b) (Fluke: 7AF9)
0x0C00-0x0FFF10243b_04.binCRC(e14d04ed) (Fluke: 94EF)
0x0C00-0x0FFF10243b_04.binCRC(e14d04ed) (Fluke: 94EF)
0x1000-0x13FF10242b_05.binCRC(f2113222) (Fluke: C442)
0x1000-0x13FF10242b_05.binCRC(f2113222) (Fluke: C442)
0x2000-0x23FF10247c_06.binCRC(f7f1267d) (Fluke: E06A)
0x2000-0x23FF10247c_06.binCRC(f7f1267d) (Fluke: E06A)
0x2400-0x27FF10246c_07.binCRC(772004eb) (Fluke: 3C76)
0x2400-0x27FF10246c_07.binCRC(772004eb) (Fluke: 3C76)
0x2800-0x2BFF10245c_08.binCRC(7a87b6f3) (Fluke: CAA8)
0x2800-0x2BFF10245c_08.binCRC(7a87b6f3) (Fluke: CAA8)
0x2C00-0x2FFF10243c_09.binCRC(ef87c2cb) (Fluke: F9F8)
0x2C00-0x2FFF10243c_09.binCRC(ef87c2cb) (Fluke: F9F8)
0x3000-0x33FF10242c_10.binCRC(be6c4f84) (Fluke: B8A8)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF51212m_q.binCRC(1ab8633d) (Fluke: 145C)
0x0000-0x01FF51212m_q.binCRC(1ab8633d) (Fluke: 145C)
Memory Area:soundcpu
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048quasar.sndCRC(9e489768) (Fluke: D9C6)
0x0000-0x07FF2048quasar.sndCRC(9e489768) (Fluke: D9C6)
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