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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.
Crazy Blocks (Kiwako (ECI license), 1983)
Memory Area:mrjong_io_map
Address RangeLengthFunctionDescription
0x00001Read Port, WriteP2, mrjong_flipscreen_w
0x00011Read Port, Device WriteP1, sn1, sn76489_device, write
0x00021Read Port, Device WriteDSW, sn2, sn76489_device, write
0x00031Readio_0x03_r (// Unknown)
Memory Area:mrjong_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048RAM
0xA000-0xA7FF2048RAM
0xE000-0xE3FF1024RAM Write, Sharedmrjong_videoram_w, videoram
0xE400-0xE7FF1024RAM Write, Sharedmrjong_colorram_w, colorram
 

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
0x0000-0x0FFF4096c6.h5CRC(2b2af794) (Fluke: 20E3)
0x1000-0x1FFF4096c5.h4CRC(98d13915) (Fluke: 5510)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192c1.a6CRC(e2a211a2) (Fluke: B595)
0x2000-0x3FFF8192c2.a7CRC(75070978) (Fluke: AAD1)
0x4000-0x5FFF8192c3.a7CRC(696ca502) (Fluke: E03D)
0x6000-0x7FFF8192c4.a8CRC(c7f5a247) (Fluke: 68B0)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32clr.j7CRC(ee1cf1d5) (Fluke: 2DE9)
0x0020-0x011F256clr.g5CRC(bcb1e2e3) (Fluke: 9969)
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