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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.
Road Riot's Revenge (Atari Games, 1993)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0xC80000-0xC80FFF4096RAM
0xD00000-0xD1FFFF131072Reada2d_data_r
0xD20000-0xD20FFF4096Device Read/Write 8-biteeprom, atari_eeprom_device, read, write, 0xff00ff00
0xD40000-0xD40FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0xD70000-0xD7FFFF65536RAM
0xD72000-0xD75FFF16384Device Write, Sharedplayfield, tilemap_device, write, playfield
0xD76000-0xD76FFF4096Device Write, Sharedalpha, tilemap_device, write, alpha
0xD78000-0xD78FFF4096RAM, Sharedrle
0xD7A200-0xD7A2034Write, Sharedmo_command_w, mo_command
0xD80000-0xD9FFFF131072Device Writeeeprom, atari_eeprom_device, unlock_write
0xE06000-0xE060034Device Write 8-bitjsa, atari_jsa_iiis_device, main_command_w, 0xff000000
0xE08000-0xE080034Writelatch_w
0xE0C000-0xE0C0034Write 16-bitvideo_int_ack_w, 0xffffffff
0xE0E000-0xE0E0034Write NOP(//watchdog_reset_w },)
0xE80000-0xE800034Read PortP1_P2
0x00ffUnusedActive Low
0x0100Start 2Active Low
0xfe00UnusedActive Low
0xff0000UnusedActive Low
0x1000000Start 1Active Low
0x2000000Button 4Active Low
0x4000000Button 2Active Low
0x8000000Button 5Active Low
0x30000000UnusedActive Low
0x40000000Button 3Active Low
0x80000000UnusedActive Low
0xE82000-0xE820034Readspecial_port2_r
0xE82004-0xE820074Readspecial_port3_r
0xE86000-0xE860034Device Read 8-bitjsa, atari_jsa_iiis_device, main_response_r, 0xff000000
0xFF8000-0xFFFFFF32768RAM
 

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:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072alpha.13nCRC(f2efbd66),alphanumerics (Fluke: 6D70)
0x0000-0x1FFFF131072alpha.13nCRC(f2efbd66),alphanumerics (Fluke: 6D70)
Memory Area:jsa:cpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536rr65snd.binCRC(d78429da) (Fluke: ACA0)
0x0000-0xFFFF65536rr65snd.binCRC(d78429da) (Fluke: ACA0)
0x0000-0xFFFF65536rr65snd.binCRC(d78429da) (Fluke: ACA0)
Memory Area:jsa:oki1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288rralpc0.binCRC(1f7b6ecf) (Fluke: 528D)
0x0000-0x7FFFF524288rralpc0.binCRC(1f7b6ecf) (Fluke: 528D)
0x0000-0x7FFFF524288rralpc0.binCRC(1f7b6ecf) (Fluke: 528D)
Memory Area:jsa:oki2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288rralpc1.binCRC(7ccd26d7) (Fluke: 6C39)
0x0000-0x7FFFF524288rralpc1.binCRC(7ccd26d7) (Fluke: 6C39)
0x0000-0x7FFFF524288rralpc1.binCRC(7ccd26d7) (Fluke: 6C39)
Memory Area:pals
Address RangeLengthLabel/LocationDescription
0x0000-0x0116279136094-0014a.22rCRC(9dc3831d),GAL16V8A
0x0000-0x0116279136094-0011b.5rCRC(832671eb),GAL16V8A
0x0000-0x0116279136094-0011b.5rCRC(832671eb),GAL16V8A
0x0000-0x0156343136094-0019b.3nCRC(598d5009),GAL20V8A
0x0000-0x0116279136094-0006a.13rCRC(d5c84926),GAL16V8A
0x0000-0x0116279136094-0007a.12lCRC(145b1474),GAL16V8A
0x0000-0x0116279136094-0016a.23rCRC(87d3a1d6),GAL16V8A
0x0000-0x0116279136094-0017a.25cCRC(76d8fa5b),GAL16V8A
0x0000-0x0156343136094-0019b.3nCRC(598d5009),GAL20V8A
0x0000-0x0116279136094-0007a.12lCRC(145b1474),GAL16V8A
0x0000-0x0116279136094-0007a.12lCRC(145b1474),GAL16V8A
0x0000-0x0116279136094-0014a.22rCRC(9dc3831d),GAL16V8A
0x0000-0x0116279136094-0017a.25cCRC(76d8fa5b),GAL16V8A
0x0000-0x0116279136094-0013a.24cCRC(11934654),GAL16V8A
0x0000-0x0116279136094-0010a.5nCRC(87ff6393),GAL16V8A
0x0000-0x0116279136094-0015a.23sCRC(9404e122),GAL16V8A
0x0000-0x0116279136094-0016a.23rCRC(87d3a1d6),GAL16V8A
0x0000-0x0116279136094-0015a.23sCRC(9404e122),GAL16V8A
0x0000-0x0116279136094-0009a.7nCRC(87d3a1d6),GAL16V8A
0x0000-0x0116279136094-0018a.24jCRC(9def4158),GAL16V8A
0x0000-0x0116279136094-0012a.7rCRC(87d3a1d6),GAL16V8A
0x0000-0x0116279136094-0013a.24cCRC(11934654),GAL16V8A
0x0000-0x0116279136094-0013a.24cCRC(11934654),GAL16V8A
0x0000-0x0116279136094-0010a.5nCRC(87ff6393),GAL16V8A
0x0000-0x0116279136094-0016a.23rCRC(87d3a1d6),GAL16V8A
0x0000-0x0116279136094-0009a.7nCRC(87d3a1d6),GAL16V8A
0x0000-0x0156343136094-0019b.3nCRC(598d5009),GAL20V8A
0x0000-0x0116279136094-0012a.7rCRC(87d3a1d6),GAL16V8A
0x0000-0x0116279136094-0011b.5rCRC(832671eb),GAL16V8A
0x0000-0x0116279136094-0006a.13rCRC(d5c84926),GAL16V8A
0x0000-0x0116279136094-0018a.24jCRC(9def4158),GAL16V8A
0x0000-0x0116279136094-0009a.7nCRC(87d3a1d6),GAL16V8A
0x0000-0x0116279136094-0006a.13rCRC(d5c84926),GAL16V8A
0x0000-0x0116279136094-0015a.23sCRC(9404e122),GAL16V8A
0x0000-0x0116279136094-0018a.24jCRC(9def4158),GAL16V8A
0x0000-0x0116279136094-0010a.5nCRC(87ff6393),GAL16V8A
0x0000-0x0116279136094-0012a.7rCRC(87d3a1d6),GAL16V8A
0x0000-0x0116279136094-0014a.22rCRC(9dc3831d),GAL16V8A
0x0000-0x0116279136094-0017a.25cCRC(76d8fa5b),GAL16V8A
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF512136094-0001a.22sCRC(a70ade3f),74S472AN BPROM (Fluke: F734)
0x0000-0x01FF512136094-0001a.22sCRC(a70ade3f),74S472AN BPROM (Fluke: F734)
0x0000-0x01FF512136094-0001a.22sCRC(a70ade3f),74S472AN BPROM (Fluke: F734)
0x0200-0x03FF512136094-0002a.21sCRC(f4768b4d),74S472AN BPROM (Fluke: 61C9)
0x0200-0x03FF512136094-0002a.21sCRC(f4768b4d),74S472AN BPROM (Fluke: 61C9)
0x0200-0x03FF512136094-0002a.21sCRC(f4768b4d),74S472AN BPROM (Fluke: 61C9)
0x0400-0x05FF512136094-0003a.20sCRC(22a76ad4),74S472AN BPROM (Fluke: 9B4D)
0x0400-0x05FF512136094-0003a.20sCRC(22a76ad4),74S472AN BPROM (Fluke: 9B4D)
0x0400-0x05FF512136094-0003a.20sCRC(22a76ad4),74S472AN BPROM (Fluke: 9B4D)
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