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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.
Phozon (Namco, 1983)
Memory Area:phozon_cpu1_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM Write, Sharedsuperpac_videoram_w, videoram (/* video RAM */)
0x0800-0x1FFF6144RAM, Sharedspriteram (/* shared RAM with CPU #2/sprite RAM*/)
0x4000-0x43FF1024Device Read/Writenamco, namco_15xx_device, sharedram_r, sharedram_w (/* shared RAM with the sound CPU */)
0x4800-0x480F16Device Read/Writenamcoio_1, namcoio_device, read, write (/* custom I/O chips interface */)
0x4810-0x481F16Device Read/Writenamcoio_2, namcoio_device, read, write (/* custom I/O chips interface */)
0x5000-0x500F16Writephozon_latch_w (/* various control bits */)
0x70001Device Writewatchdog, watchdog_timer_device, reset_w
0x8000-0xFFFF32768ROM(/* ROM */)
Memory Area:phozon_cpu2_map
Address RangeLengthFunctionDescription
0x0000-0x03FF1024Device Read/Writenamco, namco_15xx_device, sharedram_r, sharedram_w (/* shared RAM with the main CPU + sound registers */)
0xE000-0xFFFF8192ROM(/* ROM */)
Memory Area:phozon_cpu3_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM Write, Sharedsuperpac_videoram_w, videoram (/* video RAM */)
0x0800-0x1FFF6144RAM, Sharedspriteram (/* shared RAM with CPU #2/sprite RAM*/)
0x4000-0x43FF1024Device Read/Writenamco, namco_15xx_device, sharedram_r, sharedram_w (/* shared RAM with CPU #2 */)
0xA000-0xA7FF2048RAM(/* RAM */)
0xE000-0xFFFF8192ROM(/* 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:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF40967j.romCRC(27f9db5b),characters (set 1) (Fluke: FCA7)
0x1000-0x1FFF40968j.romCRC(15b12ef8),characters (set 2) (Fluke: D46D)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF81925t.romCRC(d50f08f8),sprites (Fluke: ECE6)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x8000-0x9FFF81926e.romCRC(a6686af1) (Fluke: 3DF0)
0xA000-0xBFFF81926h.romCRC(72a65ba0) (Fluke: 24F9)
0xC000-0xDFFF81926c.romCRC(f1fda22e) (Fluke: E885)
0xE000-0xFFFF81926d.romCRC(f40e6df0) (Fluke: 6F77)
Memory Area:namco
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256sound.prmCRC(ad43688f) (Fluke: 36ED)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256red.prmCRC(a2880667),red palette ROM (4 bits) (Fluke: C2CB)
0x0100-0x01FF256green.prmCRC(d6e08bef),green palette ROM (4 bits) (Fluke: A012)
0x0200-0x02FF256blue.prmCRC(b2d69c72),blue palette ROM (4 bits) (Fluke: 9747)
0x0300-0x03FF256chr.prmCRC(429e8fee),characters (Fluke: EBD9)
0x0400-0x04FF256sprite.prmCRC(9061db07),sprites (Fluke: 7543)
0x0500-0x051F32palette.prmCRC(60e856ed),unused - timing? (Fluke: 8B40)
Memory Area:sub
Address RangeLengthLabel/LocationDescription
0xE000-0xFFFF81923b.romCRC(5a4b3a79) (Fluke: 53B3)
Memory Area:sub2
Address RangeLengthLabel/LocationDescription
0xE000-0xFFFF81929r.romCRC(5d9f0a28) (Fluke: C52C)
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