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.
Spinner (bootleg, 1981)
Memory Area:spiders_audio_map
Address RangeLengthFunctionDescription
0x0000-0x007F128RAM
0x0080-0x00834Device Read/Writepia4, pia6821_device, read, write
0xF800-0xFFFF2048ROM
Memory Area:spiders_main_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152RAM, Sharedram
0xC0001Device Writecrtc, mc6845_device, address_w
0xC0011Device Read/Writecrtc, mc6845_device, register_r, register_w
0xC020-0xC0278RAM, Sharednvram
0xC044-0xC0474Device Read/Writepia1, pia6821_device, read, write
0xC048-0xC04B4Device Read/Writepia2, pia6821_device, read_alt, write_alt
0xC050-0xC0534Device Read/Writepia3, pia6821_device, read, write
0xC0601Read PortDSW1
0xC0801Read PortDSW2
0xC0A01Read PortDSW3
0xC100-0xFFFF16128ROM
 

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
0xF800-0xFFFF2048sp41-28.d9CRC(944d761e) (Fluke: E1FE)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096sp05-25.k8CRC(ccc696ee) (Fluke: DAEA)
0x1000-0x1FFF4096sp06-17.k9CRC(d3d06722) (Fluke: 160E)
0x2000-0x2FFF4096sp07-16.l9CRC(a40a5517) (Fluke: 8B2A)
0x3000-0x3FFF4096sp08-15.n9CRC(3ca08053) (Fluke: C0FD)
0x4000-0x4FFF4096sp09-14.o9CRC(07ea073c) (Fluke: 92AD)
0x5000-0x5FFF4096sp10-13.q9CRC(41b344b4) (Fluke: F89F)
0x6000-0x6FFF4096sp11-12.r9CRC(4d37da5a) (Fluke: 9D89)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0xC000-0xCFFF4096sp01-100.r1CRC(e85faa36) (Fluke: 23AF)
0xD000-0xDFFF4096sp02-99.s1CRC(4bcd2b35) (Fluke: 350A)
0xE000-0xEFFF4096sp03-98.t1CRC(fdabc5df) (Fluke: 2FD6)
0xF000-0xFFFF4096sp04-97.v1CRC(62798f96) (Fluke: 3379)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3