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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.
Thunder Cross II (Konami, 1991)
Memory Area:thndrx2_audio_map
Address RangeLengthFunctionDescription
0x0000-0xEFFF61440ROM
0xF000-0xF7FF2048RAM
0xF800-0xF8012Mirror, Device Read/Write0x0010, ymsnd, ym2151_device, read, write
0xFA001Writesound_arm_nmi_w
0xFC00-0xFC2F48Device Read/Writek053260, k053260_device, read, write
Memory Area:thndrx2_main_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x100000-0x103FFF16384RAM(/* main RAM */)
0x200000-0x200FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0x300000-0x30001F32Device Writek053251, k053251_device, lsb_w
0x400000-0x4000034Device Read/Write 8-bitk053260, k053260_device, main_read, main_write, 0x00ff
0x500000-0x50003F64Device Read/Writek054000, k054000_device, lsb_r, lsb_w
0x500100-0x5001012Writethndrx2_eeprom_w
0x500200-0x5002012Read PortP1/COINS
0x0100Coin 1Active Low
0x0200Coin 2Active Low
0x0400Service 1Active Low
0x1000UnknownActive Low
0x2000UnknownActive Low
0x4000UnknownActive Low
0x8000UnknownActive Low
0x500202-0x5002032Readthndrx2_eeprom_r
0x500300-0x5003012Write NOP(/* watchdog reset? irq enable? */)
0x600000-0x607FFF32768Read/Writek052109_word_noA12_r, k052109_word_noA12_w
0x700000-0x7000078Device Read/Write 8-bitk051960, k051960_device, k051937_r, k051937_w, 0xffff
0x700400-0x7007FF1024Device Read/Write 8-bitk051960, k051960_device, k051960_r, k051960_w, 0xffff
 

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
0x0000-0xFFFF65536073-c01.4fCRC(44ebe83c) (Fluke: E07C)
0x0000-0xFFFF65536073-c01.4fCRC(44ebe83c) (Fluke: E07C)
0x0000-0xFFFF65536073-c01.4fCRC(44ebe83c) (Fluke: E07C)
Memory Area:eeprom
Address RangeLengthLabel/LocationDescription
0x0000-0x007F128thndrx2.nvCRC(ca613e98)
Memory Area:k053260
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288073-b04.2dCRC(05287a0b) (Fluke: 9170)
0x0000-0x7FFFF524288073-b04.2dCRC(05287a0b) (Fluke: 9170)
0x0000-0x7FFFF524288073-b04.2dCRC(05287a0b) (Fluke: 9170)
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