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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.
Poolshark (Atari, 1977)
Memory Area:poolshrk_cpu_map
Address RangeLengthFunctionDescription
0x0000-0x00FF256Mirror, RAM0x2300,
0x0400-0x07FF1024Mirror, Write Only, Shared0x2000, , playfield_ram
0x0800-0x080F16Mirror, Write Only, Shared0x23f0, , hpos_ram
0x0C00-0x0C0F16Mirror, Write Only, Shared0x23f0, , vpos_ram
0x1000-0x13FF1024Mirror, Read/Write0x2000, input_r, watchdog_w
0x1400-0x17FF1024Mirror, Write0x2000, scratch_sound_w
0x1800-0x1BFF1024Mirror, Write0x2000, score_sound_w
0x1C00-0x1FFF1024Mirror, Write0x2000, click_sound_w
0x40001Read/Write NOP(/* diagnostic ROM location */)
0x6000-0x63FF1024Writeda_latch_w
0x6400-0x67FF1024Writebump_sound_w
0x6800-0x6BFF1024Readirq_reset_r
0x6C00-0x6FFF1024Writeled_w
0x7000-0x7FFF4096ROM
 

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
0x0000-0x01FF5127325.j5CRC(fae87eed) (Fluke: E7BC)
0x0200-0x03FF5127326.h5CRC(05ec9762) (Fluke: 49EA)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF5127328.n6CRC(64bcbf3a) (Fluke: 45C8)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x7000-0x77FF20487329.k1CRC(88152245) (Fluke: 44D1)
0x7800-0x7FFF20487330.l1CRC(fb41d3e9) (Fluke: D287)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F327327.k6CRC(f74cef5b) (Fluke: 7CE4)
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