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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.
Back Fire (Tecmo, 1988)
Memory Area:gemini_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xCFFF4096RAM
0xD000-0xD7FF2048RAM Write, Sharedtxvideoram_w, txvideoram
0xD800-0xDBFF1024RAM Write, Sharedfgvideoram_w, fgvideoram
0xDC00-0xDFFF1024RAM Write, Sharedbgvideoram_w, bgvideoram
0xE000-0xE7FF2048RAM Device Write, Sharedpalette, palette_device, write, palette
0xE800-0xEFFF2048RAM, Sharedspriteram
0xF000-0xF7FF2048ROM Bankbank1
0xF800-0xF8023Writefgscroll_w
0xF8001Read PortJOY1
0xF8011Read PortBUTTONS1
0xF8021Read PortJOY2
0xF803-0xF8053Writebgscroll_w
0xF8031Read PortBUTTONS2
0xF8041Read PortSYS_0
0xF8051Read PortSYS_1
0xF8061Writesound_command_w
0xF8061Readdswa_l_r
0xF8071Readdswa_h_r
0xF8071Writeflipscreen_w
0xF8081Writebankswitch_w
0xF8081Readdswb_l_r
0xF8091Readdswb_h_r
0xF80B1Device Writewatchdog, watchdog_timer_device, reset_w
0xF80F1Read PortSYS_2
Memory Area:rygar_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xCFFF4096RAM
0xD000-0xD7FF2048RAM Write, Sharedtxvideoram_w, txvideoram
0xD800-0xDBFF1024RAM Write, Sharedfgvideoram_w, fgvideoram
0xDC00-0xDFFF1024RAM Write, Sharedbgvideoram_w, bgvideoram
0xE000-0xE7FF2048RAM, Sharedspriteram
0xE800-0xEFFF2048RAM Device Write, Sharedpalette, palette_device, write, palette
0xF000-0xF7FF2048ROM Bankbank1
0xF8001Read PortJOY1
0xF800-0xF8023Writefgscroll_w
0xF8011Read PortBUTTONS1
0xF8021Read PortJOY2
0xF803-0xF8053Writebgscroll_w
0xF8031Read PortBUTTONS2
0xF8041Read PortSYS_0
0xF8051Read PortSYS_1
0xF8061Readdswa_l_r
0xF8061Writesound_command_w
0xF8071Readdswa_h_r
0xF8071Writeflipscreen_w
0xF8081Writebankswitch_w
0xF8081Readdswb_l_r
0xF8091Readdswb_h_r
0xF80B1Device Writewatchdog, watchdog_timer_device, reset_w
0xF80F1Read PortSYS_2
Memory Area:rygar_sound_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x47FF2048RAM
0x8000-0x80012Device Writeymsnd, ym3812_device, write
0xC0001Device Read, Writesoundlatch, generic_latch_8_device, read, adpcm_start_w
0xD0001Writeadpcm_end_w
0xE0001Writeadpcm_vol_w
0xF0001Writenmi_ack_w
Memory Area:tecmo_sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x2000-0x207F128RAM(/* Silkworm set #2 has a custom CPU which */)
0x8000-0x87FF2048RAM
0xA000-0xA0012Device Writeymsnd, ym3812_device, write
0xC0001Device Read, Writesoundlatch, generic_latch_8_device, read, adpcm_start_w
0xC4001Writeadpcm_end_w
0xC8001Writeadpcm_vol_w
0xCC001Writenmi_ack_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:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768b3-c10.binCRC(08ce729f),characters (Fluke: E667)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536b6-c2.binCRC(c8c25e45),sprites (Fluke: FB0D)
0x10000-0x1FFFF65536b7-d2.binCRC(25fb6a57),sprites (Fluke: 3B79)
0x20000-0x2FFFF65536b8-e2.binCRC(6bccac4e),sprites (Fluke: 2336)
0x30000-0x3FFFF65536b9-h2.binCRC(566a99b8),sprites (Fluke: 8B53)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536b13-p1.binCRC(8c7138bb),tiles #1 (Fluke: 282B)
0x10000-0x1FFFF65536b12-p2.binCRC(6c03c476),tiles #1 (Fluke: DD51)
0x20000-0x2FFFF65536b11-p2.binCRC(0bc84b4b),tiles #1 (Fluke: A627)
0x30000-0x3FFFF65536b10-p3.binCRC(ec149ec3),tiles #1 (Fluke: E765)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536b17-s1.binCRC(409df64b),tiles #2 (Fluke: BB54)
0x10000-0x1FFFF65536b16-s2.binCRC(6e4052c9),tiles #2 (Fluke: 7EDD)
0x20000-0x2FFFF65536b15-s2.binCRC(2b6cc20e),tiles #2 (Fluke: 3B2B)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536b5-e3.binCRC(0ab3bd4d),c000-ffff is not used (Fluke: 3FF0)
0x10000-0x1FFFF65536b4-f3.binCRC(150b6949),banked at f000-f7ff (Fluke: 94EB)
Memory Area:soundcpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768b2-e10.binCRC(9b2ac54f) (Fluke: 429E)
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