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.
Who Shot Johnny Rock? v1.5 (American Laser Games, 1991)
Memory Area:a500_mem
Address RangeLengthFunctionDescription
0x0000-0x1FFFFF2097152Deviceoverlay, address_map_bank_device, amap16
0xA00000-0xBFFFFF2097152Read/Writecia_r, cia_w
0xC00000-0xD7FFFF1572864Read/Writecustom_chip_r, custom_chip_w
0xD80000-0xDDFFFF393216Read/Write NOP
0xDE0000-0xDEFFFF65536Read/Writecustom_chip_r, custom_chip_w
0xDF0000-0xDFFFFF65536Read/Writecustom_chip_r, custom_chip_w
0xE00000-0xE7FFFF524288Write NOP, Readrom_mirror_r
0xE80000-0xEFFFFF524288Read/Write NOP(// autoconfig space (installed by devices))
0xF80000-0xFFFFFF524288ROM, Regionkickstart, 0
Memory Area:main_map_r1
Address RangeLengthFunctionDescription
0xF00000-0xF1FFFF131072ROM, Regionuser2, 0 (/* Custom ROM */)
0xF54000-0xF55FFF8192RAM, Sharednvram
Memory Area:overlay_512kb_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288Mirror, RAM, Shared0x180000, , chip_ram
0x200000-0x27FFFF524288ROM, Regionkickstart, 0
 

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.   
Sorry, We do not have ROM Memory Map information for this game.
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3