Search

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 Kings (Williams, 1986)
Memory Area:s11_audio_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048Mirror, RAM0x0800,
0x1000-0x1FFF4096Writebank_w
0x2000-0x20034Mirror, Device Read/Write0x0ffc, pias, pia6821_device, read, write
0x8000-0xBFFF16384ROM Bankbank0
0xC000-0xFFFF16384ROM Bankbank1
Memory Area:s11_bg_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048Mirror, RAM0x1800,
0x2000-0x20012Mirror, Device Read/Write0x1ffe, ym2151, ym2151_device, read, write
0x4000-0x40034Mirror, Device Read/Write0x1ffc, pia40, pia6821_device, read, write
0x8000-0xFFFF32768ROM
Memory Area:s11_main_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM, Sharednvram
0x2100-0x21034Device Read/Writepia21, pia6821_device, read, write (// sound+solenoids)
0x22001Writesol3_w (// solenoids)
0x2400-0x24034Device Read/Writepia24, pia6821_device, read, write (// lamps)
0x2800-0x28034Device Read/Writepia28, pia6821_device, read, write (// display)
0x2C00-0x2C034Device Read/Writepia2c, pia6821_device, read, write (// alphanumeric display)
0x3000-0x30034Device Read/Writepia30, pia6821_device, read, write (// inputs)
0x3400-0x34034Device Read/Writepia34, pia6821_device, read, write (// widget)
0x4000-0xFFFF49152ROM
 

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
0x10000-0x17FFF32768road_u22.l1CRC(a9803804)
0x10000-0x17FFF32768road_u22.l1CRC(a9803804)
0x10000-0x17FFF32768road_u22.l1CRC(a9803804)
0x10000-0x17FFF32768road_u22.l1CRC(a9803804)
0x18000-0x1FFFF32768road_u21.l1CRC(f34efbf4)
0x18000-0x1FFFF32768road_u21.l1CRC(f34efbf4)
0x18000-0x1FFFF32768road_u21.l1CRC(f34efbf4)
0x18000-0x1FFFF32768road_u21.l1CRC(f34efbf4)
Memory Area:bgcpu
Address RangeLengthLabel/LocationDescription
0x8000-0xFFFF32768road_u4.l1CRC(4395b48f)
0x8000-0xFFFF32768road_u4.l1CRC(4395b48f)
0x8000-0xFFFF32768road_u4.l1CRC(4395b48f)
0x8000-0xFFFF32768road_u4.l1CRC(4395b48f)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x4000-0x7FFF16384road_u26.l4CRC(4ea27d67)
0x8000-0xFFFF32768road_u27.l4CRC(5b88e755)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3