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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.
Galaxian 3 - Theater 6 : Project Dragoon (Namco, 0)
Memory Area:cpu_mst_map
Address RangeLengthFunctionDescription
0x0000-0x1FFFFF2097152ROM
0x20000000-0x20001FFF8192RAM, Sharednvmem (//NVRAM)
0x44000000-0x440000034Read PortDSW_CPU_mst
0x10000OffActive High
0x0000OnActive High
0x20000OffActive High
0x0000OnActive High
0x40000OffActive High
0x0000OnActive High
0x80000OffActive High
0x0000OnActive High
0x100000OffActive High
0x0000OnActive High
0x200000OffActive High
0x0000OnActive High
0x400000OffActive High
0x0000OnActive High
0x800000OffActive High
0x0000OnActive High
0x1000000OffActive High
0x0000OnActive High
0x2000000OffActive High
0x0000OnActive High
0x4000000OffActive High
0x0000OnActive High
0x8000000OffActive High
0x0000OnActive High
0x10000000OffActive High
0x0000OnActive High
0x20000000OffActive High
0x0000OnActive High
0x40000000OffActive High
0x0000OnActive High
0x80000000OffActive High
0x0000OnActive High
0x44800000-0x448000034Read, Writeled_mst_r, led_mst_w (//LEDs)
0x48000000-0x480000034Read NOP(//irq1 v-blank ack)
0x4C000000-0x4C0000034Read NOP(//irq3 ack)
0x60000000-0x60007FFF32768RAM, Sharedshare1 (//CRAM)
0x60010000-0x60017FFF32768RAM, Sharedshare1 (//Mirror)
0x80000000-0x8007FFFF524288RAM(//512K Local RAM)
0xC000000C-0xC000000F4Read NOP(//irq2 ack)
0xF2800000-0xF2800FFF4096Read/Writerso_r, rso_w (//RSO PCB)
Memory Area:cpu_slv_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x44000000-0x440000034Read PortDSW_CPU_slv
0x10000OffActive High
0x0000OnActive High
0x20000OffActive High
0x0000OnActive High
0x40000OffActive High
0x0000OnActive High
0x80000OffActive High
0x0000OnActive High
0x100000OffActive High
0x0000OnActive High
0x200000OffActive High
0x0000OnActive High
0x400000OffActive High
0x0000OnActive High
0x800000OffActive High
0x0000OnActive High
0x1000000OffActive High
0x0000OnActive High
0x2000000OffActive High
0x0000OnActive High
0x4000000OffActive High
0x0000OnActive High
0x8000000OffActive High
0x0000OnActive High
0x10000000OffActive High
0x0000OnActive High
0x20000000OffActive High
0x0000OnActive High
0x40000000OffActive High
0x0000OnActive High
0x80000000OffActive High
0x0000OnActive High
0x44800000-0x448000034Read, Writeled_slv_r, led_slv_w (//LEDs)
0x48000000-0x480000034Read NOP(//irq1 ack)
0x60000000-0x60007FFF32768RAM, Sharedshare1
0x60010000-0x60017FFF32768RAM, Sharedshare1
0x80000000-0x8007FFFF524288RAM(//512K Local RAM)
0xF1200000-0xF120FFFF65536RAM(//DSP RAM)
0xF1700000-0xF170FFFF65536Read/Write 16-bit, Sharedc355_obj_ram_r,c355_obj_ram_w,0xffffffff, objram
0xF1720000-0xF17200078Read/Write 16-bitc355_obj_position_r,c355_obj_position_w,0xffffffff
0xF1740000-0xF175FFFF131072Read/Writepaletteram32_r,paletteram32_w
0xF1760000-0xF17600034Read/Writenamcos21_video_enable_r,namcos21_video_enable_w
0xF2200000-0xF220FFFF65536RAM
0xF2700000-0xF270FFFF65536RAM(//AM_READWRITE16(c355_obj_ram_r,c355_obj_ram_w,0xffffffff) AM_SHARE("objram"))
0xF2720000-0xF27200078RAM(//AM_READWRITE16(c355_obj_position_r,c355_obj_position_w,0xffffffff))
0xF2740000-0xF275FFFF131072RAM(//AM_READWRITE(paletteram16_r,paletteram16_w) AM_SHARE("paletteram"))
0xF2760000-0xF27600034RAM(//AM_READWRITE(namcos21_video_enable_r,namcos21_video_enable_w))
Memory Area:psn_b1_cpu_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x40000-0xFFFFFF16515072RAM
Memory Area:rs_cpu_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x100000-0x10FFFF65536RAM(//64K working RAM)
0x1C0000-0x1C00012RAM(//148?)
0x1C2000-0x1C20012RAM(//?)
0x1C4000-0x1C40012RAM(//?)
0x1C6000-0x1C60012RAM(//?)
0x1C8000-0x1C80012RAM(//?)
0x1CA000-0x1CA0012RAM(//?)
0x1CC000-0x1CC0012RAM(//?)
0x1CE000-0x1CE0012RAM(//?)
0x1D2000-0x1D20012RAM(//?)
0x1D4000-0x1D40012RAM(//?)
0x1D6000-0x1D60012RAM(//?)
0x1DE000-0x1DE0012RAM(//?)
0x1E4000-0x1E40012RAM(//?)
0x1E6000-0x1E60012RAM(//?)
0x200000-0x2000012RAM(//?)
0x2C0000-0x2C00012RAM(//?)
0x2C0800-0x2C08012RAM(//?)
0x2C1000-0x2C10012RAM(//?)
0x2C1800-0x2C18012RAM(//?)
0x2C2000-0x2C20012RAM(//?)
0x2C2800-0x2C28012RAM(//?)
0x2C3000-0x2C30012RAM(//?)
0x2C3800-0x2C38012RAM(//?)
0x2C4000-0x2C40012RAM(//?)
0x300000-0x300FFF4096RAM, Sharedrso_shared_ram (//shared RAM)
0x400000-0x40001724RAM(//MC68681?)
0x480000-0x48001724RAM(//?)
0x500000-0x50001724RAM(//?)
0x580000-0x58001724RAM(//?)
0x600000-0x60001724RAM(//?)
0x680000-0x68001724RAM(//?)
0x800000-0x80000F16RAM(//?)
0x840000-0x843FFF16384RAM(//8 bit, 139 SCI RAM?)
0x880000-0x88000F16RAM(//?)
0x8C0000-0x8C3FFF16384RAM(//8 bit)
0x900000-0x90000F16RAM(//?)
0x940000-0x943FFF16384RAM(//8 bit)
0x980000-0x98000F16RAM(//?)
0x9C0000-0x9C3FFF16384RAM(//8 bit)
0xA00000-0xA0000F16RAM(//?)
0xA40000-0xA43FFF16384RAM(//8 bit)
0xA80000-0xA8000F16RAM(//?)
0xAC0000-0xAC3FFF16384RAM(//8 bit)
0xB00000-0xB0000F16RAM(//?)
0xB40000-0xB43FFF16384RAM(//8 bit)
0xB80000-0xB8000F16RAM(//?)
0xBC0000-0xBC3FFF16384RAM(//8 bit)
0xC00000-0xC0000F16RAM(//?)
0xC40000-0xC43FFF16384RAM(//8 bit)
Memory Area:sound_cpu_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x80000-0x8FFFF65536RAM
0x110000-0x113FFF16384RAM
0x200000-0x2037FF14336Device Read/Write 8-bitc140_16a, c140_device, c140_r, c140_w, 0x00ff (//C140///////////)
0x204000-0x2047FF2048Device Read/Write 8-bitc140_16g, c140_device, c140_r, c140_w, 0x00ff (//C140)
 

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:obj_board1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288glc1-obj-obj0.9tCRC(0fe98d33) (Fluke: 60A8)
0x0000-0x7FFFF524288glc1-obj-obj0.9tCRC(0fe98d33) (Fluke: 60A8)
0x80000-0xFFFFF524288glc1-obj-obj1.9wCRC(660a4f6d) (Fluke: EA8C)
0x80000-0xFFFFF524288glc1-obj-obj1.9wCRC(660a4f6d) (Fluke: EA8C)
0x100000-0x17FFFF524288glc1-obj-obj2.9yCRC(90bcc5a3) (Fluke: E424)
0x100000-0x17FFFF524288glc1-obj-obj2.9yCRC(90bcc5a3) (Fluke: E424)
0x180000-0x1FFFFF524288glc1-obj-obj3.9zCRC(65244f07) (Fluke: F5E8)
0x180000-0x1FFFFF524288glc1-obj-obj3.9zCRC(65244f07) (Fluke: F5E8)
Memory Area:obj_board2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288glc1-obj-obj0.9tCRC(0fe98d33) (Fluke: 60A8)
0x0000-0x7FFFF524288glc1-obj-obj0.9tCRC(0fe98d33) (Fluke: 60A8)
0x80000-0xFFFFF524288glc1-obj-obj1.9wCRC(660a4f6d) (Fluke: EA8C)
0x80000-0xFFFFF524288glc1-obj-obj1.9wCRC(660a4f6d) (Fluke: EA8C)
0x100000-0x17FFFF524288glc1-obj-obj2.9yCRC(90bcc5a3) (Fluke: E424)
0x100000-0x17FFFF524288glc1-obj-obj2.9yCRC(90bcc5a3) (Fluke: E424)
0x180000-0x1FFFFF524288glc1-obj-obj3.9zCRC(65244f07) (Fluke: F5E8)
0x180000-0x1FFFFF524288glc1-obj-obj3.9zCRC(65244f07) (Fluke: F5E8)
Memory Area:psn_b1_vol
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072glc-psn-vol.ic100CRC(9d49576c) (Fluke: 2719)
0x0000-0x1FFFF131072glc-psn-vol.ic100CRC(9d49576c) (Fluke: 2719)
0x0000-0x1FFFF131072glc-psn-vol.ic100CRC(9d49576c) (Fluke: 2719)
Memory Area:psn_b2_vol
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072glc-psn-vol.ic100CRC(9d49576c) (Fluke: 2719)
0x0000-0x1FFFF131072glc-psn-vol.ic100CRC(9d49576c) (Fluke: 2719)
0x0000-0x1FFFF131072glc-psn-vol.ic100CRC(9d49576c) (Fluke: 2719)
Memory Area:psn_b3_vol
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072glc-psn-vol.ic100CRC(9d49576c) (Fluke: 2719)
0x0000-0x1FFFF131072glc-psn-vol.ic100CRC(9d49576c) (Fluke: 2719)
0x0000-0x1FFFF131072glc-psn-vol.ic100CRC(9d49576c) (Fluke: 2719)
Memory Area:samples
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288glc1-snd-voi2.13cCRC(ef3bda56) (Fluke: DB21)
0x0000-0x7FFFF524288glc1-snd-voi0.13aCRC(ef3bda56) (Fluke: DB21)
0x0000-0x7FFFF524288glc1-snd-voi8.10gCRC(bba0c15b) (Fluke: AB4C)
0x80000-0xFFFFF524288glc1-snd-voi9.11gCRC(dd1b1ee4) (Fluke: 8934)
0x100000-0x17FFFF524288glc1-snd-voi10.13gCRC(1c1dedf4) (Fluke: 9405)
0x180000-0x1FFFFF524288glc1-snd-voi11.14gCRC(559e2a8a) (Fluke: 4CD0)
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