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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.
Rastan (Taito Corporation Japan, 1987)
Memory Area:rastan_map
Address RangeLengthFunctionDescription
0x0000-0x5FFFF393216ROM
0x10C000-0x10FFFF16384RAM
0x200000-0x200FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0x350008-0x3500092Write NOP(/* 0 only (often) ? */)
0x380000-0x3800012Writerastan_spritectrl_w (/* sprite palette bank, coin counters & lockout */)
0x390000-0x3900012Read PortP1
0x390002-0x3900032Read PortP2
0x390004-0x3900052Read PortSPECIAL
0x0001UnknownActive Low
0x0002UnknownActive Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010SpecialActive High
0x0020SpecialActive High
0x0040SpecialActive High
0x0080UnknownActive Low
0x390006-0x3900072Read PortSYSTEM
0x0001Service 1Active Low
0x0002UnknownActive Low
0x0004TiltActive Low
0x0008Start 1Active Low
0x0010Start 2Active Low
0x0020Coin 1Active High
0x0040Coin 2Active High
0x0080UnknownActive High
0x390008-0x3900092Read PortDSWA
0x0001CabinetActive High
0x0000UprightActive High
0x0001CocktailActive High
0x0002Flip_ScreenActive High
0x0002OffActive High
0x0000OnActive High
0x39000A-0x39000B2Read PortDSWB
0x000cBonus_LifeActive High
0x000c100k 200k 400k 600k 800kActive High
0x0008150k 300k 600k 900k 1200kActive High
0x0004200k 400k 800k 1200k 1600kActive High
0x0000250k 500k 1000k 1500k 2000kActive High
0x0030LivesActive High
0x00303Active High
0x00204Active High
0x00105Active High
0x00006Active High
0x0040Allow_ContinueActive High
0x0000OffActive High
0x0040OnActive High
0x3C0000-0x3C00012Device Writewatchdog, watchdog_timer_device, reset16_w
0x3E0000-0x3E00012Read NOP, Device Write 8-bittc0140syt, tc0140syt_device, master_port_w, 0x00ff
0x3E0002-0x3E00032Device Read/Write 8-bittc0140syt, tc0140syt_device, master_comm_r, master_comm_w, 0x00ff
0xC00000-0xC0FFFF65536Device Read/Writepc080sn, pc080sn_device, word_r, word_w
0xC20000-0xC200034Device Writepc080sn, pc080sn_device, yscroll_word_w
0xC40000-0xC400034Device Writepc080sn, pc080sn_device, xscroll_word_w
0xC50000-0xC500034Device Writepc080sn, pc080sn_device, ctrl_word_w
0xD00000-0xD03FFF16384Device Read/Writepc090oj, pc090oj_device, word_r, word_w (/* sprite ram */)
Memory Area:rastan_s_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x7FFF16384ROM Bankbank1
0x8000-0x8FFF4096RAM
0x9000-0x90012Device Read/Writeymsnd, ym2151_device, read, write
0xA0001Device Writetc0140syt, tc0140syt_device, slave_port_w
0xA0011Device Read/Writetc0140syt, tc0140syt_device, slave_comm_r, slave_comm_w
0xB0001Writerastan_msm5205_address_w
0xC0001Writerastan_msm5205_start_w
0xD0001Writerastan_msm5205_stop_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:adpcm
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536b04-20.76CRC(fd1a34cc) (Fluke: 44EA)
0x0000-0xFFFF65536b04-20.76CRC(fd1a34cc) (Fluke: 44EA)
Memory Area:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536b04-19.49CRC(ee81fdd8) (Fluke: A356)
0x0000-0xFFFF65536b04-19.49CRC(ee81fdd8) (Fluke: A356)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072b04-01.40CRC(cd30de19) (Fluke: FBE6)
0x0000-0x1FFFF131072b04-01.40CRC(cd30de19) (Fluke: FBE6)
0x20000-0x3FFFF131072b04-03.39CRC(ab67e064) (Fluke: 0ABF)
0x20000-0x3FFFF131072b04-03.39CRC(ab67e064) (Fluke: 0ABF)
0x40000-0x5FFFF131072b04-02.67CRC(54040fec) (Fluke: 0BB6)
0x40000-0x5FFFF131072b04-02.67CRC(54040fec) (Fluke: 0BB6)
0x60000-0x7FFFF131072b04-04.66CRC(94737e93) (Fluke: 8C63)
0x60000-0x7FFFF131072b04-04.66CRC(94737e93) (Fluke: 8C63)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072b04-05.15CRC(c22d94ac) (Fluke: 4F9A)
0x0000-0x1FFFF131072b04-05.15CRC(c22d94ac) (Fluke: 4F9A)
0x20000-0x3FFFF131072b04-07.14CRC(b5632a51) (Fluke: 9B9D)
0x20000-0x3FFFF131072b04-07.14CRC(b5632a51) (Fluke: 9B9D)
0x40000-0x5FFFF131072b04-06.28CRC(002ccf39) (Fluke: 8E3E)
0x40000-0x5FFFF131072b04-06.28CRC(002ccf39) (Fluke: 8E3E)
0x60000-0x7FFFF131072b04-08.27CRC(feafca05) (Fluke: E7EF)
0x60000-0x7FFFF131072b04-08.27CRC(feafca05) (Fluke: E7EF)
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