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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.
Hard Times (Playmark, 1994)
Memory Area:hrdtimes_main_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x80000-0xBFFFF262144RAM
0xC0000-0xFFFFF262144ROM, Regionmaincpu, 0x0c0000
0x100000-0x1007FF2048RAM Write, Sharedhrdtimes_bgvideoram_w, videoram3 (// 32*32?)
0x100800-0x103FFF14336RAM
0x104000-0x105FFF8192RAM Write, Sharedhrdtimes_fgvideoram_w, videoram2 (// 128*32?)
0x106000-0x107FFF8192RAM
0x108000-0x109FFF8192RAM Write, Sharedhrdtimes_txvideoram_w, videoram1 (// 64*64?)
0x10A000-0x10BFFF8192RAM
0x10C000-0x10FFFF16384RAM(// Unused)
0x110000-0x11000D14Writehrdtimes_scroll_w
0x200000-0x200FFF4096RAM, Sharedspriteram
0x280000-0x2807FF2048RAM Device Write, Sharedpalette, palette_device, write, palette
0x280800-0x280FFF2048RAM(// Unused)
0x300010-0x3000112Read PortSYSTEM
0x0001UnknownActive Low
0x0002UnknownActive Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010Coin 1Active Low
0x0020Coin 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x300012-0x3000132Read PortP1
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080Start 1Active Low
0x300014-0x3000152Read PortP2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080Start 2Active Low
0x300016-0x3000172Writehrdtimes_coin_w
0x30001A-0x30001B2Read PortDSW2
0x0003LivesActive High
0x00001Active High
0x00022Active High
0x00033Active High
0x00015Active High
0x000cBonus_LifeActive High
0x000cEvery 300k - 500kActive High
0x0008Every 500k - 500kActive High
0x0004Only 500kActive High
0x0000NoActive High
0x0030DifficultyActive High
0x0020EasyActive High
0x0030NormalActive High
0x0010HardActive High
0x0000Very_HardActive High
0x0040Allow_ContinueActive High
0x0000NoActive High
0x0040YesActive High
0x0080Demo_SoundsActive High
0x0080OffActive High
0x0000OnActive High
0x30001C-0x30001D2Read PortDSW1
0x0001Mode 1Active High
0x0000Mode 2Active High
0x00146C_1CActive High
0x00165C_1CActive High
0x00184C_1CActive High
0x001a3C_1CActive High
0x00028C_3CActive High
0x001c2C_1CActive High
0x00045C_3CActive High
0x00063C_2CActive High
0x001e1C_1CActive High
0x00082C_3CActive High
0x00121C_2CActive High
0x00101C_3CActive High
0x000e1C_4CActive High
0x000c1C_5CActive High
0x000a1C_6CActive High
0x0000Free_PlayActive High
0x00005C_1CActive High
0x00023C_1CActive High
0x00042C_1CActive High
0x00061C_1CActive High
0x00181C_2CActive High
0x00101C_3CActive High
0x00081C_5CActive High
0x00001C_6CActive High
0x00201Active High
0x00002Active High
0x0040NoActive High
0x0000YesActive High
0x304000-0x3040012Write NOP(/* watchdog? irq ack? */)
 

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:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF13107230.io13CRC(fa5e50ae) (Fluke: 7B16)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096pic16c57.hex
0x0000-0x0FFF4096pic16c57.hex
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