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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.
Hyper Crash (Konami, 1987)
Memory Area:hcrash_map
Address RangeLengthFunctionDescription
0x0000-0xFFFF65536ROM
0x40000-0x5FFFF131072ROM
0x80000-0x83FFF16384RAM
0x90000-0x91FFF8192Device Read/Write 8-bit, Sharedpalette, palette_device, read, write, 0x00ff, palette
0xA0000-0xA00012Writesalamand_control_port_word_w (/* irq enable, flipscreen, etc. */)
0xC0000-0xC00012Device Write 8-bitsoundlatch, generic_latch_8_device, write, 0x00ff
0xC0002-0xC00032Read PortDSW0
0xC0004-0xC00052Read PortDSW1
0x0003CabinetActive High
0x0003Konami GT without brakeActive High
0x0002WEC Le Mans 24 UprightActive High
0x0001Konami GT with brakeActive High
0x001cUnusedActive Low
0x0060DifficultyActive High
0x0060EasyActive High
0x0040NormalActive High
0x0020HardActive High
0x0000HardestActive High
0x0080Demo_SoundsActive High
0x0080OffActive High
0x0000OnActive High
0xC0006-0xC00072Read PortTEST
0x0001Flip_ScreenActive High
0x0001OffActive High
0x0000OnActive High
0x00003Active High
0x00027Active High
0x0008km/hActive High
0x0000M.P.H.Active High
0x00f0UnknownActive High
0xC0008-0xC00092Device Writewatchdog, watchdog_timer_device, reset16_w (/* watchdog probably */)
0xC000A-0xC000B2Read PortIN0
0x0001UnknownActive High
0x0002UnknownActive High
0x0004Service 1Active High
0x0008Start 1Active High
0x0010Coin 1Active High
0x0020Coin 2Active High
0x0040UnknownActive High
0x0080UnknownActive High
0xC2000-0xC20012Readkonamigt_input_word_r (/* Konami GT control */)
0xC2800-0xC28012Write NOP
0xC2802-0xC28032Writegx400_irq2_enable_word_w (// or at 0x0c2804 ?)
0xC2804-0xC28052Write NOP
0xC4000-0xC40012Read Port, WriteIN1, selected_ip_word_w
0x0001UnknownActive High
0x0002UnknownActive High
0x0004UnknownActive High
0x0008Button 2Active High
0x0008UnknownActive High
0x0010Button 3Active High
0x0020SpecialActive High
0x0040UnknownActive High
0x0080UnknownActive High
0xC4002-0xC40032Read, Write NOPselected_ip_word_r, (/* WEC Le Mans 24 control. latches the value read previously */)
0x100000-0x100FFF4096RAM Write, Sharednemesis_videoram2_word_w, videoram2 (/* VRAM */)
0x101000-0x101FFF4096RAM Write, Sharednemesis_videoram1_word_w, videoram1
0x102000-0x102FFF4096RAM Write, Sharednemesis_colorram2_word_w, colorram2
0x103000-0x103FFF4096RAM Write, Sharednemesis_colorram1_word_w, colorram1
0x120000-0x12FFFF65536RAM Write, Sharednemesis_charram_word_w, charram
0x180000-0x180FFF4096RAM, Sharedspriteram
0x190000-0x191FFF8192RAM
0x190000-0x1903FF1024Sharedxscroll2
0x190400-0x1907FF1024Sharedxscroll1
0x190F00-0x190F7F128Sharedyscroll1
0x190F80-0x190FFF128Sharedyscroll2
Memory Area:sal_sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048RAM
0xA0001Device Readsoundlatch, generic_latch_8_device, read
0xB000-0xB00D14Device Read/Writek007232, k007232_device, read, write
0xC000-0xC0012Device Read/Writeymsnd, ym2151_device, read, write
0xD0001Device Writevlm, vlm5030_device, data_w
0xE0001Readwd_r (/* watchdog?? */)
0xF0001Writesalamand_speech_start_w
 

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
0x0000-0x7FFF32768790-c09.n2CRC(a68a8cce) (Fluke: 728C)
0x0000-0x7FFF32768790-c09.n2CRC(a68a8cce) (Fluke: 728C)
Memory Area:k007232
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072790-c01.m10CRC(07976bc3) (Fluke: 3862)
0x0000-0x1FFFF131072790-c01.m10CRC(07976bc3) (Fluke: 3862)
Memory Area:vlm
Address RangeLengthLabel/LocationDescription
0x4000-0x7FFF16384790-c08.j4CRC(cfb844bc) (Fluke: 975E)
0x4000-0x7FFF16384790-c08.j4CRC(cfb844bc) (Fluke: 975E)
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