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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.
Penguin Brothers (Subsino, 2000)
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
0x0008TestActive Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xff00UnknownActive Low
0x600200-0x6002012Write NOP(// Leds? Coins?)
0x600300-0x60030F16Writesound_bank_w (// Samples Banks)
0x600300-0x6003012Read PortDSW1 (// DSW 1)
0x0002Flip_ScreenActive High
0x0002OffActive High
0x0000OnActive High
0x0008Demo_SoundsActive High
0x0000OffActive High
0x0008OnActive High
0x0030Coin_AActive High
0x00203C_1CActive High
0x00102C_1CActive High
0x00301C_1CActive High
0x00001C_2CActive High
0x00c0Coin_BActive High
0x00803C_1CActive High
0x00402C_1CActive High
0x00c01C_1CActive High
0x00001C_2CActive High
0xff00UnknownActive Low
0x600302-0x6003032Read PortDSW2 (// DSW 2)
0x0003DifficultyActive High
0x0002EasyActive High
0x0003NormalActive High
0x0001HardActive High
0x0000HardestActive High
0x000cLivesActive High
0x00002Active High
0x000c3Active High
0x00044Active High
0x00085Active High
0x0030Bonus_LifeActive High
0x0010150k and 500kActive High
0x0030200k and 700kActive High
0x0000Every 250kActive High
0x0020NoneActive High
0x00c02Active High
0x00403Active High
0x00804Active High
0x00005Active 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)
Memory Area:penbros_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM(// ROM)
0x200000-0x20FFFF65536RAM(// RAM)
0x210000-0x23FFFF196608RAM(// RAM)
0x300000-0x30FFFF65536RAM(// RAM)
0x500300-0x50030F16Writesound_bank_w (// Samples Banks)
0x500300-0x5003012Read PortDSW1 (// DSW 1)
0x0002Flip_ScreenActive High
0x0002OffActive High
0x0000OnActive High
0x0008Demo_SoundsActive High
0x0000OffActive High
0x0008OnActive High
0x0030Coin_AActive High
0x00203C_1CActive High
0x00102C_1CActive High
0x00301C_1CActive High
0x00001C_2CActive High
0x00c0Coin_BActive High
0x00803C_1CActive High
0x00402C_1CActive High
0x00c01C_1CActive High
0x00001C_2CActive High
0xff00UnknownActive Low
0x500302-0x5003032Read PortDSW2 (// DSW 2)
0x0003DifficultyActive High
0x0002EasyActive High
0x0003NormalActive High
0x0001HardActive High
0x0000HardestActive High
0x000cLivesActive High
0x00002Active High
0x000c3Active High
0x00044Active High
0x00085Active High
0x0030Bonus_LifeActive High
0x0010150k and 500kActive High
0x0030200k and 700kActive High
0x0000Every 250kActive High
0x0020NoneActive High
0x00c02Active High
0x00403Active High
0x00804Active High
0x00005Active High
0xff00UnknownActive Low
0x600000-0x6000012Read PortP1 (// P1)
0x0001Joystick LeftActive Low
0x0002Joystick RightActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080Start 1Active Low
0xff00UnknownActive Low
0x600002-0x6000032Read PortP2 (// P2)
0x0001Joystick LeftActive Low
0x0002Joystick RightActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080Start 2Active Low
0xff00UnknownActive Low
0x600004-0x6000052Writepzlbowl_coin_counter_w (// Coins Counter)
0x600004-0x6000052Read PortSYSTEM (// Coins)
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004Service 1Active Low
0x0008TestActive Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xff00UnknownActive Low
0x600006-0x6000072Device Readwatchdog, watchdog_timer_device, reset16_r
0xA00000-0xA03FFF16384Device Read/Writex1snd, x1_010_device, word_r, word_w (// Sound)
0xB00000-0xB3FFFF262144RAM, Sharedspriteram (// Sprites)
0xB40000-0xB4FFFF65536RAM Device Write, Sharedpalette, palette_device, write, palette (// Palette)
0xB60000-0xB6003F64Write, Sharedvregs_w, vregs
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
0x0000-0x3FFFFF4194304u38.binCRC(4247b39e) (Fluke: 0B30)
0x400000-0x7FFFFF4194304u39.binCRC(f9f07faf) (Fluke: FB68)
0x800000-0xBFFFFF4194304u40.binCRC(dc9e0a96) (Fluke: BAC9)
Memory Area:x1snd
Address RangeLengthLabel/LocationDescription
0x100000-0x2FFFFF2097152u18.binCRC(de4e65e2) (Fluke: 1F5D)
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