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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.
Side Arms - Hyper Dyne (Capcom (Romstar license), 1986)
Memory Area:sidearms_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xC3FF1024RAM Device Write, Sharedpalette, palette_device, write, palette
0xC400-0xC7FF1024RAM Device Write, Sharedpalette, palette_device, write_ext, palette_ext
0xC8001Read Port, Device WriteSYSTEM, soundlatch, generic_latch_8_device, write
0xC8011Read Port, WriteP1, bankswitch_w
0xC8021Read Port, Device WriteP2, watchdog, watchdog_timer_device, reset_w
0xC8031Read PortDSW0
0xC8041Read Port, WriteDSW1, c804_w
0xC8051Read Port, WriteDSW2, star_scrollx_w
0xC8061Writestar_scrolly_w
0xC808-0xC8092Write Only, Sharedbg_scrollx
0xC80A-0xC80B2Write Only, Sharedbg_scrolly
0xC80C1Writegfxctrl_w (/* background and sprite enable */)
0xD000-0xD7FF2048RAM Write, Sharedvideoram_w, videoram
0xD800-0xDFFF2048RAM Write, Sharedcolorram_w, colorram
0xE000-0xEFFF4096RAM
0xF000-0xFFFF4096RAM, Sharedspriteram
Memory Area:sidearms_sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0xC000-0xC7FF2048RAM
0xD0001Device Readsoundlatch, generic_latch_8_device, read
0xF000-0xF0012Device Read/Writeym1, ym2203_device, read, write
0xF002-0xF0032Device Read/Writeym2, ym2203_device, read, write
 

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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768a_04k.romCRC(34efe2d2) (Fluke: 5C31)
0x0000-0x7FFF32768a_04k.romCRC(34efe2d2) (Fluke: 5C31)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384a_10j.romCRC(651fef75),characters (Fluke: 6E3D)
0x0000-0x3FFF16384a_10j.romCRC(651fef75),characters (Fluke: 6E3D)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768b_13d.romCRC(3c59afe1),tiles (Fluke: CD56)
0x0000-0x7FFF32768b_13d.romCRC(3c59afe1),tiles (Fluke: CD56)
0x8000-0xFFFF32768b_13e.romCRC(64bc3b77) (Fluke: A232)
0x8000-0xFFFF32768b_13e.romCRC(64bc3b77) (Fluke: A232)
0x10000-0x17FFF32768b_13f.romCRC(e6bcea6f) (Fluke: 3942)
0x10000-0x17FFF32768b_13f.romCRC(e6bcea6f) (Fluke: 3942)
0x18000-0x1FFFF32768b_13g.romCRC(c71a3053) (Fluke: 5292)
0x18000-0x1FFFF32768b_13g.romCRC(c71a3053) (Fluke: 5292)
0x20000-0x27FFF32768b_14d.romCRC(826e8a97) (Fluke: 5468)
0x20000-0x27FFF32768b_14d.romCRC(826e8a97) (Fluke: 5468)
0x28000-0x2FFFF32768b_14e.romCRC(6cfc02a4) (Fluke: 683B)
0x28000-0x2FFFF32768b_14e.romCRC(6cfc02a4) (Fluke: 683B)
0x30000-0x37FFF32768b_14f.romCRC(9b9f6730) (Fluke: F608)
0x30000-0x37FFF32768b_14f.romCRC(9b9f6730) (Fluke: F608)
0x38000-0x3FFFF32768b_14g.romCRC(ef6af630) (Fluke: 274F)
0x38000-0x3FFFF32768b_14g.romCRC(ef6af630) (Fluke: 274F)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768b_11b.romCRC(eb6f278c),sprites (Fluke: C2F4)
0x0000-0x7FFF32768b_11b.romCRC(eb6f278c),sprites (Fluke: C2F4)
0x8000-0xFFFF32768b_13b.romCRC(e91b4014) (Fluke: DBF0)
0x8000-0xFFFF32768b_13b.romCRC(e91b4014) (Fluke: DBF0)
0x10000-0x17FFF32768b_11a.romCRC(2822c522) (Fluke: E288)
0x10000-0x17FFF32768b_11a.romCRC(2822c522) (Fluke: E288)
0x18000-0x1FFFF32768b_13a.romCRC(3e8a9f75) (Fluke: 0DED)
0x18000-0x1FFFF32768b_13a.romCRC(3e8a9f75) (Fluke: 0DED)
0x20000-0x27FFF32768b_12b.romCRC(86e43eda) (Fluke: A4E9)
0x20000-0x27FFF32768b_12b.romCRC(86e43eda) (Fluke: A4E9)
0x28000-0x2FFFF32768b_14b.romCRC(076e92d1) (Fluke: EB10)
0x28000-0x2FFFF32768b_14b.romCRC(076e92d1) (Fluke: EB10)
0x30000-0x37FFF32768b_12a.romCRC(ce107f3c) (Fluke: D3C7)
0x30000-0x37FFF32768b_12a.romCRC(ce107f3c) (Fluke: D3C7)
0x38000-0x3FFFF32768b_14a.romCRC(dba06076) (Fluke: ADE7)
0x38000-0x3FFFF32768b_14a.romCRC(dba06076) (Fluke: ADE7)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768b_03d.romCRC(6f348008) (Fluke: BBED)
0x0000-0x7FFF32768b_03d.romCRC(6f348008) (Fluke: BBED)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768SAA_03.15ECRC(32ef2739),CODE
0x8000-0xFFFF32768a_14e.romCRC(4925ed03),0+1 (Fluke: 3232)
0x8000-0xFFFF32768a_14e.romCRC(4925ed03),0+1 (Fluke: 3232)
0x10000-0x17FFF32768a_12e.romCRC(81d0ece7),2+3 (Fluke: 4B93)
0x10000-0x17FFF32768a_12e.romCRC(81d0ece7),2+3 (Fluke: 4B93)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF25663s141.16hCRC(75af3553) (Fluke: BE2C)
0x0000-0x00FF25663s141.16hCRC(75af3553) (Fluke: BE2C)
0x0100-0x01FF25663s141.11hCRC(a6e4d68f) (Fluke: 71D0)
0x0100-0x01FF25663s141.11hCRC(a6e4d68f) (Fluke: 71D0)
0x0200-0x02FF25663s141.15hCRC(c47c182a) (Fluke: F349)
0x0200-0x02FF25663s141.15hCRC(c47c182a) (Fluke: F349)
0x0300-0x031F3263s081.3jCRC(c5817816) (Fluke: A661)
0x0300-0x031F3263s081.3jCRC(c5817816) (Fluke: A661)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768b_11j.romCRC(134dc35b) (Fluke: 4E87)
0x0000-0x7FFF32768b_11j.romCRC(134dc35b) (Fluke: 4E87)
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