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:homerun_iomap
Address RangeLengthFunctionDescription
0x00101Writehomerun_d7756_sample_w
0x00201Writehomerun_control_w
0x0030-0x00334Device Read/Writeppi8255, i8255_device, read, write
0x0003Coin_BActive High
0x00005C_1CActive High
0x00013C_1CActive High
0x00022C_1CActive High
0x0003Free_PlayActive High
0x0080Coin_AActive High
0x00801C_1CActive High
0x00001C_2CActive High
0x00401Read PortIN0
0x0008Coin 1Active Low
0x0040SpecialActive High
0x0080UnusedActive High
0x0037UnknownActive High
0x00501Read PortIN2
0x0020Coin 2Active Low
0x00dfUnknownActive High
0x00601Read PortIN1
0x0001Joystick UpActive High
0x0002Joystick DownActive High
0x0004Joystick RightActive High
0x0008Joystick LeftActive High
0x0010UnknownActive High
0x0020Start 1Active High
0x0040UnknownActive High
0x0080Button 1Active High
0x0070-0x00712Device Read/Writeymsnd, ym2203_device, read, write
Memory Area:homerun_memmap
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x7FFF16384ROM Bankbank1
0x8000-0x9FFF8192RAM Write, Sharedhomerun_videoram_w, videoram
0xA000-0xA0FF256RAM, Sharedspriteram
0xB000-0xB03F64RAM Write, Sharedhomerun_color_w, colorram
0xC000-0xDFFF8192RAM
 

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
0x0000-0xFFFF655363.ic60CRC(77d6a608) (Fluke: 506D)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF1310722.ic120CRC(bedf7b98) (Fluke: D24B)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF163841.ic43CRC(bf3c9586) (Fluke: FF9E)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3