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:gundamex_map
Address RangeLengthFunctionDescription
0x0000-0x1FFFFF2097152ROM(// ROM)
0x200000-0x20FFFF65536RAM(// RAM)
0x500000-0x57FFFF524288ROM(// ROM)
0x600000-0x6000012Read PortDSW1 (// DSW 1)
0x0001Demo_SoundsActive High
0x0000OffActive High
0x0001OnActive High
0x0006DifficultyActive High
0x0004EasyActive High
0x0006NormalActive High
0x0002HardActive High
0x0000HardestActive High
0x0010Flip_ScreenActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0xff00UnknownActive Low
0x600002-0x6000032Read PortDSW2 (// DSW 2)
0x0007Coin_AActive High
0x00004C_1CActive High
0x00013C_1CActive High
0x00022C_1CActive High
0x00071C_1CActive High
0x00061C_2CActive High
0x00051C_3CActive High
0x00031C_4CActive High
0x00041C_5CActive High
0x0038Coin_BActive High
0x00381C_1CActive High
0x00102C_3CActive High
0x00003 Coins/5 CreditsActive High
0x00301C_2CActive High
0x00082C_5CActive High
0x00281C_3CActive High
0x00181C_4CActive High
0x00201C_5CActive High
0x0040OffActive High
0x0000OnActive High
0x0080Free_PlayActive High
0x0080OffActive High
0x0000OnActive High
0xff00UnknownActive Low
0x700000-0x7000012Read PortP1 (// P1)
0x0001Joystick LeftActive Low
0x0002Joystick RightActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080Start 1Active Low
0xff00UnknownActive Low
0x700002-0x7000032Read PortP2 (// P2)
0x0001Joystick LeftActive Low
0x0002Joystick RightActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080Start 2Active Low
0xff00UnknownActive Low
0x700004-0x7000052Read PortSYSTEM (// Coins)
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004Service 1Active Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020EnglishActive High
0x0000JapaneseActive High
0x0040UnknownActive Low
0x0080UnknownActive Low
0xff00UnknownActive Low
0x700008-0x7000092Read PortIN0 (// P1)
0x0001Button 4Active Low
0x0002UnknownActive Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xff00UnknownActive Low
0x70000A-0x70000B2Read PortIN1 (// P2)
0x0001Button 4Active Low
0x0002UnknownActive Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xff00UnknownActive Low
0x70000C-0x70000D2Device Writewatchdog, watchdog_timer_device, reset16_w
0x800000-0x8000012Writegrdians_lockout_w
0xB00000-0xB03FFF16384Device Read/Writex1snd, x1_010_device, word_r, word_w (// Sound)
0xC00000-0xC3FFFF262144RAM, Sharedspriteram (// Sprites)
0xC40000-0xC4FFFF65536RAM Device Write, Sharedpalette, palette_device, write, palette (// Palette)
0xC50000-0xC5FFFF65536RAM(// cleared)
0xC60000-0xC6003F64Write, Sharedvregs_w, vregs (// Video Registers)
0xE00010-0xE0001F16Writesound_bank_w (// Samples Banks)
0xFFFC00-0xFFFFFF1024Device Read/Writetmp68301, tmp68301_device, regs_r, regs_w (// TMP68301 Registers)
Memory Area:mj4simai_map
Address RangeLengthFunctionDescription
0x0000-0x1FFFFF2097152ROM(// ROM)
0x200000-0x20FFFF65536RAM(// RAM)
0x600000-0x6000012Readmj4simai_p1_r (// P1)
0x600002-0x6000032Readmj4simai_p2_r (// P2)
0x600004-0x6000052Writemj4simai_keyboard_w (// select keyboard row to read)
0x600006-0x6000072Device Readwatchdog, watchdog_timer_device, reset16_r
0x600100-0x6001012Read PortSYSTEM (//)
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004Service 1Active Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020EnglishActive High
0x0000JapaneseActive High
0x0040UnknownActive Low
0x0080UnknownActive Low
0xff00UnknownActive Low
0x600200-0x6002012Write NOP(// Leds? Coins?)
0x600300-0x6003012Read PortDSW1 (// DSW 1)
0x0001Demo_SoundsActive High
0x0000OffActive High
0x0001OnActive High
0x0006DifficultyActive High
0x0004EasyActive High
0x0006NormalActive High
0x0002HardActive High
0x0000HardestActive High
0x0010Flip_ScreenActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0xff00UnknownActive Low
0x600300-0x60030F16Writesound_bank_w (// Samples Banks)
0x600302-0x6003032Read PortDSW2 (// DSW 2)
0x0007Coin_AActive High
0x00004C_1CActive High
0x00013C_1CActive High
0x00022C_1CActive High
0x00071C_1CActive High
0x00061C_2CActive High
0x00051C_3CActive High
0x00031C_4CActive High
0x00041C_5CActive High
0x0038Coin_BActive High
0x00381C_1CActive High
0x00102C_3CActive High
0x00003 Coins/5 CreditsActive High
0x00301C_2CActive High
0x00082C_5CActive High
0x00281C_3CActive High
0x00181C_4CActive High
0x00201C_5CActive High
0x0040OffActive High
0x0000OnActive High
0x0080Free_PlayActive High
0x0080OffActive High
0x0000OnActive High
0xff00UnknownActive Low
0xB00000-0xB03FFF16384Device Read/Writex1snd, x1_010_device, word_r, word_w (// Sound)
0xC00000-0xC3FFFF262144RAM, Sharedspriteram (// Sprites)
0xC40000-0xC4FFFF65536RAM Device Write, Sharedpalette, palette_device, write, palette (// Palette)
0xC60000-0xC6003F64Write, Sharedvregs_w, vregs (// Video Registers)
0xFFFC00-0xFFFFFF1024Device Read/Writetmp68301, tmp68301_device, regs_r, regs_w (// TMP68301 Registers)
 

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:sprites
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152ka001009.u16CRC(997d8d93) (Fluke: 6ED1)
0x200000-0x3FFFFF2097152ka001010.u18CRC(811b67ca) (Fluke: B3A0)
0x400000-0x5FFFFF2097152ka001011.u20CRC(08a72700) (Fluke: 5938)
0x800000-0x9FFFFF2097152ka001012.u15CRC(b789e4a8) (Fluke: 738C)
0xA00000-0xBFFFFF2097152ka001013.u17CRC(d8a0201f) (Fluke: 6AB6)
0xC00000-0xDFFFFF2097152ka001014.u19CRC(7635e026) (Fluke: A502)
0x1000000-0x11FFFFF2097152ka001006.u21CRC(6aac2f2f) (Fluke: C0AD)
0x1200000-0x13FFFFF2097152ka001007.u22CRC(588f9d63) (Fluke: 1A1A)
0x1400000-0x15FFFFF2097152ka001008.u23CRC(db55a60a) (Fluke: C5EC)
Memory Area:x1snd
Address RangeLengthLabel/LocationDescription
0x0000-0x007F128eeprom.binCRC(80f8e248)
0x100000-0x2FFFFF2097152ka001015.u28CRC(ada2843b) (Fluke: 795F)
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