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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.
Darius (Taito Corporation Japan, 1986)
Memory Area:darius_cpub_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x40000-0x4FFFF65536RAM(/* local RAM */)
0xC00000-0xC0007F128Writedarius_ioc_w (/* only writes $c00050 (?) */)
0xD80000-0xD80FFF4096Device Write, Sharedpalette, palette_device, write, palette
0xE00100-0xE00FFF3840RAM, Sharedspriteram
0xE01000-0xE02FFF8192RAM, Sharedshare2
0xE08000-0xE0FFFF32768RAM Write, Shareddarius_fg_layer_w, fg_ram
Memory Area:darius_map
Address RangeLengthFunctionDescription
0x0000-0x5FFFF393216ROM
0x80000-0x8FFFF65536RAM(/* main RAM */)
0xA0000-0xA00012Writecpua_ctrl_w
0xB0000-0xB00012Device Writewatchdog, watchdog_timer_device, reset16_w
0xC00000-0xC0007F128Read/Writedarius_ioc_r, darius_ioc_w (/* inputs, sound */)
0xD00000-0xD0FFFF65536Device Read/Writepc080sn, pc080sn_device, word_r, word_w (/* tilemaps */)
0xD20000-0xD200034Device Writepc080sn, pc080sn_device, yscroll_word_w
0xD40000-0xD400034Device Writepc080sn, pc080sn_device, xscroll_word_w
0xD50000-0xD500034Device Writepc080sn, pc080sn_device, ctrl_word_w
0xD80000-0xD80FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette (/* palette */)
0xE00100-0xE00FFF3840RAM, Sharedspriteram
0xE01000-0xE02FFF8192RAM, Sharedshare2
0xE08000-0xE0FFFF32768RAM Write, Shareddarius_fg_layer_w, fg_ram
0xE10000-0xE10FFF4096RAM(/* ??? */)
Memory Area:darius_sound_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x7FFF16384ROM Bankbank1
0x8000-0x8FFF4096RAM
0x9000-0x90012Device Read/Writeym1, ym2203_device, read, write
0xA000-0xA0012Device Read/Writeym2, ym2203_device, read, write
0xB0001Read NOP, Device Writetc0140syt, tc0140syt_device, slave_port_w
0xB0011Device Read/Writetc0140syt, tc0140syt_device, slave_comm_r, slave_comm_w
0xC0001Writedarius_fm0_pan
0xC4001Writedarius_fm1_pan
0xC8001Writedarius_psg0_pan
0xCC001Writedarius_psg1_pan
0xD0001Writedarius_da_pan
0xD4001Writeadpcm_command_w (/* ADPCM command for second Z80 to read from port 0x00 */)
0xDC001Writesound_bankswitch_w
Memory Area:darius_sound2_io_map
Address RangeLengthFunctionDescription
0x00001Read/Writeadpcm_command_read, adpcm_nmi_disable
0x00011Writeadpcm_nmi_enable
0x00021Read, Writereadport2, adpcm_data_w (/* readport2 ??? */)
0x00031Readreadport3 (/* ??? */)
Memory Area:darius_sound2_map
Address RangeLengthFunctionDescription
0x0000-0xFFFF65536ROM, Write NOP
 

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
0x0000-0xFFFF65536a96_56.18CRC(292ef55c),Z80 prog + ADPCM samples (Fluke: CCA2)
Memory Area:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536a96_57.33CRC(33ceb730) (Fluke: 6F26)
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