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.
Memory Area:bzone_map
Address RangeLengthFunctionDescription
0x0000-0x03FF1024RAM
0x08001Read PortIN0
0x0A001Read PortDSW0
0x00ffCoinageActive High
0x00fdNormalActive High
0x0C001Read PortDSW1
0x0003LanguageActive High
0x0000GermanActive High
0x0001FrenchActive High
0x0002SpanishActive High
0x0003EnglishActive High
0x000cBonus_LifeActive High
0x000c2k 10k 30kActive High
0x00084k 15k 40kActive High
0x00046k 20k 50kActive High
0x0000NoneActive High
0x0030LivesActive High
0x00302Active High
0x00203Active High
0x00104Active High
0x00005Active High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0x10001Writebzone_coin_counter_w
0x12001Device Writeavg, avg_bzone_device, go_w
0x14001Device Writewatchdog, watchdog_timer_device, reset_w
0x16001Device Writeavg, avg_bzone_device, reset_w
0x18001Device Readmathbox, mathbox_device, status_r
0x18101Device Readmathbox, mathbox_device, lo_r
0x18181Device Readmathbox, mathbox_device, hi_r
0x1820-0x182F16Device Read/Writepokey, pokey_device, read, write
0x18401Writebzone_sounds_w
0x1860-0x187F32Device Writemathbox, mathbox_device, go_w
0x2000-0x2FFF4096RAM, Shared, Regionvectorram, maincpu, 0x2000
0x3000-0x7FFF20480ROM
Memory Area:redbaron_map
Address RangeLengthFunctionDescription
0x0000-0x03FF1024RAM
0x08001Read PortIN0
0x0A001Read PortDSW0
0x00ffCoinageActive High
0x00fdNormalActive High
0x0C001Read PortDSW1
0x0003LanguageActive High
0x0000GermanActive High
0x0001FrenchActive High
0x0002SpanishActive High
0x0003EnglishActive High
0x000cBonus_LifeActive High
0x000c2k 10k 30kActive High
0x00084k 15k 40kActive High
0x00046k 20k 50kActive High
0x0000NoneActive High
0x0030LivesActive High
0x00302Active High
0x00203Active High
0x00104Active High
0x00005Active High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0x10001Write NOP(/* coin out - Manual states this is "Coin Counter" */)
0x12001Device Writeavg, avg_bzone_device, go_w
0x14001Device Writewatchdog, watchdog_timer_device, reset_w
0x16001Device Writeavg, avg_bzone_device, reset_w
0x18001Device Readmathbox, mathbox_device, status_r
0x18021Read PortIN4
0x003fUnknownActive High
0x0040Start 1Active High
0x0080Button 1Active High
0x18041Device Readmathbox, mathbox_device, lo_r
0x18061Device Readmathbox, mathbox_device, hi_r
0x18081Writeredbaron_joysound_w (/* and select joystick pot also */)
0x180A1Write NOP(/* sound reset, yet todo */)
0x180C1Device Writeearom, atari_vg_earom_device, ctrl_w
0x1810-0x181F16Device Read/Writepokey, pokey_device, read, write
0x1820-0x185F64Device Read/Writeearom, atari_vg_earom_device, read, write
0x1860-0x187F32Device Writemathbox, mathbox_device, go_w
0x2000-0x2FFF4096RAM, Shared, Regionvectorram, maincpu, 0x2000
0x3000-0x7FFF20480ROM
 

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:maincpu
Address RangeLengthLabel/LocationDescription
0x3000-0x37FF2048037006-01.bc3CRC(9fcffea0) (Fluke: 3033)
0x3800-0x3FFF2048037007-01.a3CRC(60250ede) (Fluke: 6BCF)
0x4800-0x4FFF2048037587-01.fh1CRC(60f23983),== 037001-1E + 036999-1E (Fluke: FCAB)
0x5000-0x57FF2048037000-01.e1CRC(69bed808) (Fluke: 4E1B)
0x6000-0x67FF2048036998-01.j1CRC(d1104dd7) (Fluke: 7FC9)
0x6800-0x6FFF2048036997-01.k1CRC(7434acb4) (Fluke: D6C7)
0x7000-0x77FF2048036996-01.lm1CRC(c0e7589e) (Fluke: 2361)
0x7800-0x7FFF2048036995-01.n1CRC(ad81d1da) (Fluke: FA50)
Memory Area:prom
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32036464-01.a5CRC(42875b18),74S288 or compatible bprom like the 82S123
0x0000-0x001F32036464-01.a5CRC(42875b18),74S288 or compatible bprom like the 82S123
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256036408-01.k7CRC(5903af03),74S287N or compatible bprom like the 82S129 (Fluke: C706)
0x0000-0x00FF256036408-01.k7CRC(5903af03),74S287N or compatible bprom like the 82S129 (Fluke: C706)
Memory Area:user2
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32036174-01.a1CRC(8b04f921),74S288 or compatible bprom like the 82S123 (Fluke: F5CF)
0x0000-0x001F32036174-01.a1CRC(8b04f921),74S288 or compatible bprom like the 82S123 (Fluke: F5CF)
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