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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.
Zoom 909 (Sega, 1982)
Memory Area:buckrog_cpu2_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM
0x0000-0xDFFF57344Writebuckrog_bitmap_w
0xE000-0xE7FF2048Mirror, RAM0x1800,
Memory Area:buckrog_cpu2_portmap
Address RangeLengthFunctionDescription
0x0000-0x00FF256Readbuckrog_cpu2_command_r
Memory Area:buckrog_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0xC000-0xC7FF2048RAM Write, Sharedturbo_videoram_w, videoram (// FIX PAGE)
0xC800-0xC8034Mirror, Device Read, Write0x07fc, i8255_0, i8255_device, read, buckrog_i8255_0_w (// 8255)
0xD000-0xD0034Mirror, Device Read/Write0x07fc, i8255_1, i8255_device, read, write (// 8255)
0xD800-0xD8012Mirror, Device Read/Write0x07fe, i8279, i8279_device, read, write
0xE000-0xE3FF1024RAM, Sharedspritepos (// CONT RAM)
0xE400-0xE7FF1024RAM, Sharedspriteram (// CONT RAM)
0xE8001Mirror, Read Port0x07fc, IN0 (// INPUT)
0xE8011Mirror, Read Port0x07fc, IN1
0xE8021Mirror, Read0x07fc, buckrog_port_2_r
0xE8031Mirror, Read0x07fc, buckrog_port_3_r
0xF0001Unknown
0xF800-0xFFFF2048RAM(// SCRATCH)
 

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:bgcolor
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192epr-5203.cpu-ic91CRC(631f5b65) (Fluke: AE54)
Memory Area:fgtiles
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048epr-5201.cpu-ic102CRC(7f21b0a4) (Fluke: D4FE)
0x0800-0x0FFF2048epr-5202.cpu-ic103CRC(43f3e5a7) (Fluke: 7E95)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32pr-5194.cpu-ic39CRC(bc88cced),char layer X shift (Fluke: 6597)
0x0020-0x003F32pr-5195.cpu-ic53CRC(181c6d23),sprite state machine (Fluke: AC39)
0x0100-0x02FF512pr-5196.cpu-ic10CRC(04204bcf),sprite Y scaling (Fluke: 4B3F)
0x0300-0x04FF512pr-5197.cpu-ic78CRC(a42674af),video timing (Fluke: EBD5)
0x0500-0x06FF512pr-5198.cpu-ic93CRC(32e74bc8),char color table (Fluke: F11F)
0x0700-0x0AFF1024pr-5199.cpu-ic95CRC(45e997a8),sprite color table (Fluke: 1BF6)
Memory Area:sprites
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192epr-5216.prom-ic100CRC(8155bd73),level 0 (Fluke: AE5E)
0x8000-0x9FFF8192epr-5213.prom-ic84CRC(fd78dda4),level 1 (Fluke: D4B4)
0x10000-0x13FFF16384epr-5231.prom-ic68CRC(f00385fc),level 2 (Fluke: EAB5)
0x18000-0x1BFFF16384epr-5207.prom-ic52CRC(644f29d8),level 3 (Fluke: 2E90)
0x20000-0x23FFF16384epr-5206.prom-ic43CRC(049dc998),level 4 (Fluke: 1628)
0x28000-0x2BFFF16384epr-5209.prom-ic59CRC(0ff9ff71),level 5 (Fluke: 3FD4)
0x2C000-0x2DFFF8192epr-5208.prom-ic58CRC(d181fed2) (Fluke: 13FA)
0x30000-0x33FFF16384epr-5212.prom-ic75CRC(9359ec4f),level 6 (Fluke: F36C)
0x34000-0x35FFF8192epr-5211.prom-ic74CRC(d181fed2) (Fluke: 13FA)
0x38000-0x3BFFF16384epr-5215.prom-ic91CRC(f5dacc53),level 7 (Fluke: AA61)
0x3C000-0x3DFFF8192epr-5214.prom-ic90CRC(68306dd6) (Fluke: CDFF)
Memory Area:subcpu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096epr-5200.cpu-ic66CRC(0d58b154) (Fluke: 2ED5)
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