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.
Go 2000 (SunA, 2000)
Memory Area:go2000_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x200000-0x203FFF16384RAM
0x600000-0x60FFFF65536RAM, Sharedvideoram
0x610000-0x61FFFF65536RAM, Sharedvideoram2
0x620002-0x6200032Writesound_cmd_w
0x800000-0x800FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0xA00000-0xA000012Read PortINPUTS
0x0001Button 1Active Low
0x0002Start 1Active Low
0x0004Button 2Active Low
0x0008Button 3Active Low
0x0010Joystick LeftActive Low
0x0020Joystick RightActive Low
0x0040UnusedActive Low
0x0080Coin 1Active Low
0x0100UnusedActive Low
0x0200UnusedActive Low
0x0400UnusedActive Low
0x0800P1 M1Active Low
0x1000P1 M2Active Low
0x2000P1 M3Active Low
0x4000UnusedActive Low
0x8000Coin 2Active Low
0xA00002-0xA000032Read PortDSW
0x00001 Coin / 50 CreditsActive High
0x00031 Coin / 100 CreditsActive High
0x00021 Coin / 125 CreditsActive High
0x00011 Coin / 150 CreditsActive High
0x000c1Active High
0x00082Active High
0x00043Active High
0x00005Active High
0x07001Active High
0x06002Active High
0x05003Active High
0x04004Active High
0x03005Active High
0x02006Active High
0x01007Active High
0x00008Active High
0x08003000Active High
0x00003500Active High
0x18004000Active High
0x10004500Active High
0x08006000Active High
0x00007000Active High
0x18008000Active High
0x10009000Active High
0xc0001Active High
0x80002Active High
0x40003Active High
0x00004Active High
Memory Area:go2000_sound_io
Address RangeLengthFunctionDescription
0x00001Device Readsoundlatch, generic_latch_8_device, read
0x00001Device Writedac, dac_byte_interface, write
0x00031Writego2000_pcm_1_bankswitch_w
Memory Area:go2000_sound_map
Address RangeLengthFunctionDescription
0x0000-0x03FF1024ROM
0x0400-0xFFFF64512ROM Bankbank1
 

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:soundcpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF5242885.binCRC(a32676ee) (Fluke: BD8F)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3