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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.
Block Out (Technos Japan / California Dreams, 1989)
Memory Area:audio_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048RAM
0x8800-0x88012Device Read/Writeymsnd, ym2151_device, read, write
0x98001Device Read/Writeoki, okim6295_device, read, write
0xA0001Device Readsoundlatch, generic_latch_8_device, read
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x100000-0x1000012Read PortP1
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 4Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080Start 1Active Low
0x100002-0x1000032Read PortP2
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 4Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080Start 2Active Low
0x100004-0x1000052Read PortSYSTEM
0x0002Coin 1Active Low
0x0004Coin 2Active Low
0x0008Coin 3Active Low
0x100006-0x1000072Read PortDSW1
0x0003CoinageActive High
0x00003C_1CActive High
0x00012C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x0010OffActive High
0x0000OnActive High
0x0020Demo_SoundsActive High
0x0000OffActive High
0x0020OnActive High
0x100008-0x1000092Read PortDSW2
0x0003DifficultyActive High
0x0002EasyActive High
0x0003NormalActive High
0x0001HardActive High
0x0000Very_HardActive High
0x00002Active High
0x00043Active High
0x0040Button 1Active Low
0x0080Button 1Active Low
0x100010-0x1000112Writeblockout_irq6_ack_w
0x100012-0x1000132Writeblockout_irq5_ack_w
0x100014-0x1000152Writeblockout_sound_command_w
0x100016-0x1000172Write NOP(/* don't know, maybe reset sound CPU */)
0x180000-0x1BFFFF262144RAM Write, Sharedblockout_videoram_w, videoram
0x1D4000-0x1DFFFF49152RAM(/* work RAM */)
0x1F4000-0x1FFFFF49152RAM(/* work RAM */)
0x200000-0x207FFF32768RAM, Sharedfrontvideoram
0x208000-0x21FFFF98304RAM(/* ??? */)
0x280002-0x2800032Writeblockout_frontcolor_w
0x280200-0x2805FF1024RAM Write, Sharedblockout_paletteram_w, paletteram
 

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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768bo29e3-0.binCRC(3ea01f78) (Fluke: 0DD6)
0x0000-0x7FFF32768bo29e3-0.binCRC(3ea01f78) (Fluke: 0DD6)
0x0000-0x7FFF32768bo29e3-0.binCRC(3ea01f78) (Fluke: 0DD6)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072bo29e2-0.binCRC(15c5a99d) (Fluke: 3365)
0x0000-0x1FFFF131072bo29e2-0.binCRC(15c5a99d) (Fluke: 3365)
0x0000-0x1FFFF131072bo29e2-0.binCRC(15c5a99d) (Fluke: 3365)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256mb7114h.25CRC(b25bbda7),unknown (Fluke: BE0B)
0x0000-0x00FF256mb7114h.25CRC(b25bbda7),unknown (Fluke: BE0B)
0x0000-0x00FF256mb7114h.25CRC(b25bbda7),unknown (Fluke: BE0B)
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