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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.
Little Robin (TCH, 1994)
Memory Area:littlerb_main
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM
0x0008-0x001716Write NOP
0x0020-0x002F16Write NOP
0x0070-0x00734Write NOP
0x60004-0x600074Write NOP
0x200000-0x203FFF16384RAM(// main ram?)
0x700000-0x7000078Device Read/Writeinder_vid:tms, tms34010_device, host_r, host_w
0x740000-0x7400012Writelittlerb_l_sound_w
0x760000-0x7600012Writelittlerb_r_sound_w
0x780000-0x7800012Write NOP(// generic outputs)
0x7C0000-0x7C00012Read PortDSW
0x0003LivesActive High
0x00032Active High
0x00013Active High
0x00024Active High
0x00005Active High
0x001cCoin_BActive High
0x00005C_1CActive High
0x00104C_1CActive High
0x00083C_1CActive High
0x00182C_1CActive High
0x00041C_1CActive High
0x00141C_2CActive High
0x000c1C_3CActive High
0x001c1C_4CActive High
0x00e0Coin_AActive High
0x00005C_1CActive High
0x00804C_1CActive High
0x00403C_1CActive High
0x00c02C_1CActive High
0x00201C_1CActive High
0x00a01C_2CActive High
0x00601C_3CActive High
0x00e01C_4CActive High
0x0100UnknownActive High
0x0100OffActive High
0x0000OnActive High
0x0600Bonus_LifeActive High
0x0600Every 150,000Active High
0x0200Every 200,000Active High
0x0400Every 300,000Active High
0x0000NoneActive High
0x3800DifficultyActive High
0x3800EasyActive High
0x1800Medium_EasyActive High
0x2800NormalActive High
0x0800Medium_HardActive High
0x3000HardActive High
0x1000HarderActive High
0x2000Very_HardActive High
0x0000HardestActive High
0x8000Demo_SoundsActive High
0x0000OffActive High
0x8000OnActive High
0x7E0000-0x7E00012Read PortP1
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080UnusedActive Low
0x0100Start 1Active Low
0x0200Start 2Active Low
0x0400Coin 1Active Low
0x0800Coin 2Active Low
0x1000OffActive High
0x0000OnActive High
0xe000SpecialActive High
0x7E0002-0x7E00032Read PortP2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080UnusedActive Low
0xff00UnusedActive Low
 

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:samples
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144romd.u32CRC(d6b81583) (Fluke: 38E0)
0x40000-0x7FFFF262144romc.u26CRC(f193c5b6) (Fluke: E991)
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