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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.
Cyber Commando (Namco, 1994)
Memory Area:iomcu_s22_io
Address RangeLengthFunctionDescription
0x00001Readiomcu_port4_s22_r
0x0000-0x00FF256Read/Write NOP
Memory Area:master_dsp_io
Address RangeLengthFunctionDescription
0x00001Read/Writepoint_loword_r, point_loword_iw
0x00011Read/Writepoint_hiword_ir, point_hiword_w
0x00021Read/Writepdp_begin_r, dsp_unk2_w
0x00031Read/Writedsp_unk_port3_r, point_address_w
0x00041Write NOP(/* unknown */)
0x00071Writeupload_code_to_slave_dsp_w
0x00081Read/Writedsp_unk8_r, dsp_unk8_w (/* trigger irq? */)
0x00091Read, Write NOPcustom_ic_status_r, (/* trigger irq? */)
0x000A1Writedsp_unk_porta_w
0x000B1Write NOP(/* RINT-related? */)
0x000C1Writemaster_render_device_w
0x000D1Writenamcos22_dspram16_bank_w
0x000E1Writedsp_led_w
0x000F1Read, Write NOPdsp_upload_status_r,
Memory Area:master_dsp_program
Address RangeLengthFunctionDescription
0x0000-0x0FFF4096ROM(/* internal ROM (4k words) */)
0x4000-0x7FFF16384ROM, Sharedmasterextram
Memory Area:mcu_s22_io
Address RangeLengthFunctionDescription
0x00001Readmcu_port4_s22_r
Memory Area:mcu_s22_program
Address RangeLengthFunctionDescription
0x2000-0x2FFF4096Device Read/Writec352, c352_device, read, write
0x4000-0xBFFF32768Read/Writes22mcu_shared_r, s22mcu_shared_w
0x80000-0xFFFFF524288ROM, Regionmcu, 0
0x200000-0x27FFFF524288ROM, Regionmcu, 0
0x280000-0x2FFFFF524288ROM, Regionmcu, 0
0x301000-0x3010012Read/Write NOP(// watchdog? LEDs?)
0x308000-0x3080034Read/Write NOP(// volume control IC?)
Memory Area:namcos22_am
Address RangeLengthFunctionDescription
0x0000-0x1FFFFF2097152ROM
0x10000000-0x1001FFFF131072RAM, Mirror0x08000000
0x20000000-0x2000000F16Read/Write 16-bitnamcos22_keycus_r, namcos22_keycus_w, 0xffffffff
0x20010000-0x20013FFF16384RAM
0x20020000-0x2002000F16Read, Write Onlynamcos22_sci_r,
0x40000000-0x4000001F32Read/Write 8-bitnamcos22_system_controller_r, namcos22_system_controller_w, 0xffffffff
0x48000000-0x4800003F64Read NOP, Write NOP
0x50000000-0x500000034Read/Write 16-bitnamcos22_dipswitch_r, namcos22_cpuleds_w, 0xffffffff
0x50000008-0x5000000B4Read/Write 16-bitnamcos22_portbit_r, namcos22_portbit_w, 0xffffffff
0x58000000-0x58001FFF8192Device Read/Write 8-biteeprom, eeprom_parallel_28xx_device, read, write, 0xffffffff
0x60000000-0x60003FFF16384Write NOP
0x60004000-0x6000BFFF32768RAM, Sharedshareram
0x70000000-0x7001FFFF131072Read/Write, Sharednamcos22_dspram_r, namcos22_dspram_w, polygonram
0x90000000-0x900000034RAM
0x90010000-0x90017FFF32768RAM, Sharedczram
0x90020000-0x90027FFF32768RAM, Sharedvideo_mixer
0x90028000-0x9003FFFF98304RAM Write, Sharednamcos22_paletteram_w, paletteram
0x90040000-0x9007FFFF262144RAM(/* diagnostic ROM? */)
0x90080000-0x9009DFFF122880RAM Write, Sharednamcos22_cgram_w, cgram
0x9009E000-0x9009FFFF8192RAM Write, Sharednamcos22_textram_w, textram
0x900A0000-0x900A000F16Read/Write, Sharednamcos22_tilemapattr_r, namcos22_tilemapattr_w, tilemapattr
Memory Area:slave_dsp_io
Address RangeLengthFunctionDescription
0x00031Readdsp_slave_port3_r
0x00041Readdsp_slave_port4_r
0x00051Readdsp_slave_port5_r
0x00061Read, Write NOPdsp_slave_port6_r,
0x00081Read, Write NOPdsp_slave_port8_r,
0x000B1Read/Writedsp_slave_portb_r, dsp_slave_portb_w
0x000C1Writedsp_slave_portc_w
Memory Area:slave_dsp_program
Address RangeLengthFunctionDescription
0x0000-0x0FFF4096ROM(/* internal ROM */)
0x8000-0x9FFF8192ROM, Sharedslaveextram
 

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:c352
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576cy1wav0.10rCRC(c6f366a2) (Fluke: 0DCD)
0x100000-0x1FFFFF1048576cy1wav2.10nCRC(b98c1ca6) (Fluke: 8FD9)
0x200000-0x2FFFFF1048576cy1wav1.10pCRC(f30b5e37) (Fluke: 06CA)
0x300000-0x3FFFFF1048576cy1wav3.10lCRC(43dbac19) (Fluke: 50D0)
Memory Area:eeprom
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192cy1eeprm.9eCRC(8432c066)
Memory Area:gamma_proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256rr1gam.2dCRC(b2161bce) (Fluke: 0388)
0x0100-0x01FF256rr1gam.3dCRC(b2161bce) (Fluke: 0388)
0x0200-0x02FF256rr1gam.4dCRC(b2161bce) (Fluke: 0388)
Memory Area:pointrom
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288cyc1ptl0.5bCRC(d91de03d) (Fluke: 54EA)
0x80000-0xFFFFF524288cyc1ptl1.4bCRC(e5b98021) (Fluke: 3E85)
0x100000-0x17FFFF524288cyc1ptl2.3bCRC(7ba786c6) (Fluke: 1B18)
0x180000-0x1FFFFF524288cyc1ptm0.5cCRC(d454b5c6) (Fluke: DC84)
0x200000-0x27FFFF524288cyc1ptm1.4cCRC(74fdf8cc) (Fluke: 4DCD)
0x280000-0x2FFFFF524288cyc1ptm2.3cCRC(b9c99a45) (Fluke: 60B4)
0x300000-0x37FFFF524288cyc1ptu0.5dCRC(4d40897f) (Fluke: 93B4)
0x380000-0x3FFFFF524288cyc1ptu1.4dCRC(3bdaeeeb) (Fluke: 93C1)
0x400000-0x47FFFF524288cyc1ptu2.3dCRC(a0e73674) (Fluke: 7410)
Memory Area:slave
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072cy1data.6rCRC(10d0005b) (Fluke: C139)
Memory Area:textile
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576cyc1ccrl.1cCRC(1a0dc5f0),cyc1ccrl.8c (Fluke: 4068)
0x200000-0x27FFFF524288cyc1ccrh.2cCRC(8c4090b8),cyc1ccrh.7c (Fluke: 49FD)
0x800000-0x9FFFFF2097152cyc1cg0.1aCRC(e839b9bd),cyc1cg0.6a (Fluke: 15A3)
0xA00000-0xBFFFFF2097152cyc1cg1.2aCRC(7d13993f),cyc1cg1.7a (Fluke: 9BE0)
0xC00000-0xDFFFFF2097152cyc1cg2.3aCRC(7c464566),cyc1cg2.8a (Fluke: C209)
0xE00000-0xFFFFFF2097152cyc1cg3.5aCRC(2222e16f),cyc1cg3.9a (Fluke: 0585)
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