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.
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x00001Writesound_return_w
0x04001Readsound_data_r
0x0800-0x083F64Mirror, Device Read/Write0x80, ensoniq, es5506_device, read, write
0x0C001Writesound_bank_w
0x10001Write NOP(/* noisy */)
0x1400-0x140F16Device Read/Writevia6522_0, via6522_device, read, write
0x2000-0x3FFF8192RAM
0x4000-0x7FFF16384ROM Banksoundbank
0x8000-0xFFFF32768ROM
Memory Area:timekill_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384RAM, Sharednvram
0x40000-0x400012Read PortP1
0x0001Button 1Active Low
0x0002Button 2Active Low
0x0004Button 3Active Low
0x0008Button 4Active Low
0x0010Joystick RightActive Low
0x0020Joystick LeftActive Low
0x0040Joystick DownActive Low
0x0080Joystick UpActive Low
0x48000-0x480012Read PortP2
0x0001Button 1Active Low
0x0002Button 2Active Low
0x0004Button 3Active Low
0x0008Button 4Active Low
0x0010Joystick RightActive Low
0x0020Joystick LeftActive Low
0x0040Joystick DownActive Low
0x0080Joystick UpActive Low
0x50000-0x500012Read Port, WriteSYSTEM, timekill_intensity_w
0x0001Button 5Active Low
0x0002Coin 1Active Low
0x0004Start 1Active Low
0x0008UnusedActive Low
0x0010Button 5Active Low
0x0020Coin 2Active Low
0x0040Start 2Active Low
0x0080UnusedActive Low
0x58000-0x580012Read Port, Device WriteDIPS, watchdog, watchdog_timer_device, reset16_w
0x0002Service 1Active Low
0x0004CustomActive Low
0x0008SpecialActive High
0x0000-Active High
0x0010+Active High
0x0020Flip_ScreenActive High
0x0000OffActive High
0x0020OnActive High
0x0040OffActive High
0x0000OnActive High
0x60000-0x600012Writetimekill_colora_w
0x68000-0x680012Writetimekill_colorbc_w
0x70000-0x700012Write NOP(/* noisy */)
0x78000-0x780012Writesound_data_w
0x80000-0x8007F128Read/Write, Shareditech32_video_r, itech32_video_w, video
0xA0000-0xA00012Writeint1_ack_w
0xC0000-0xC7FFF32768RAM Device Write, Sharedpalette, palette_device, write, palette
0x100000-0x17FFFF524288ROM, Region, Shareduser1, 0, main_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:soundcpu
Address RangeLengthLabel/LocationDescription
0x10000-0x27FFF98304tk_snd_v_4.1_u17.u17CRC(c699af7b),labeled TK SND V 4.1 (U17) (Fluke: C500)
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