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.
Xyonix (Philko, 1989)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xDFFF8192RAM
0xE000-0xFFFF8192RAM Write, Sharedvidram_w, vidram
Memory Area:port_map
Address RangeLengthFunctionDescription
0x00201Read NOP, Device Writesn1, sn76496_device, write (/* SN76496 ready signal */)
0x00211Read NOP, Device Writesn2, sn76496_device, write
0x00401Write NOP(/* NMI ack? */)
0x00501Writeirqack_w
0x0060-0x00612Write NOP(/* mc6845 */)
0x00E01Read/Writeio_r, io_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
0x0000-0x7FFF32768xyonix1.binCRC(3dfa9596) (Fluke: B926)
0x8000-0xFFFF32768xyonix2.binCRC(db87343e) (Fluke: 38FA)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536xyonix3.binCRC(1960a74e) (Fluke: D21C)
Memory Area:mcu
Address RangeLengthLabel/LocationDescription
0x0000-0x077F1920mc68705p3s.e7BAD_DUMP CRC(f60cdd86)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256xyonix.prCRC(0012cfc9) (Fluke: AB41)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3