GEI Multi Game Memory Map

Contributors
Contributors
- Contributor Account
- Sign Up
On-Line Databases
On-Line Databases
Main
Main
Education
Education
My Restorations
My Restorations
- Restorations
- Conversions
Restoring Games
Restoring Games
Repairing Games
Repairing Games
Resources
Resources
Miscellaneous
Miscellaneous

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.

GEI Multi Game (Grayhound Electronics, 1992)

Memory Area:geimulti_map

Address Range	Length	Function	Description
0x0000-0x3FFF	16384	ROM
0x4000-0x47FF	2048	RAM, Shared	nvram
0x4800-0x4803	4	Device Read/Write	ppi8255_0, i8255_device, read, write
0x5000-0x5003	4	Device Read/Write	ppi8255_1, i8255_device, read, write
0x5800-0x5FFF	2048	ROM
0x5A00-0x5CFF	768	Write	geimulti_bank_w
0x6000-0x7FFF	8192	ROM
0x8000-0x8002	3	Write	gei_drawctrl_w
0x8000-0xFFFF	32768	ROM Bank	bank1
0xC000-0xFFFF	16384	RAM Write	gei_bitmap_w

Memory Area:getrivia_map

Address Range	Length	Function	Description
0x0000-0x1FFF	8192	ROM
0x2000-0x3FFF	8192	ROM Bank	bank1
0x4000-0x47FF	2048	RAM, Shared	nvram
0x4800-0x4803	4	Device Read/Write	ppi8255_0, i8255_device, read, write
0x5000-0x5003	4	Device Read/Write	ppi8255_1, i8255_device, read, write
0x600F	1	Write	banksel_5_1_w
0x6017	1	Write	banksel_4_1_w
0x601B	1	Write	banksel_3_1_w
0x601D	1	Write	banksel_2_1_w
0x601E	1	Write	banksel_1_1_w
0x608F	1	Write	banksel_5_2_w
0x6097	1	Write	banksel_4_2_w
0x609B	1	Write	banksel_3_2_w
0x609D	1	Write	banksel_2_2_w
0x609E	1	Write	banksel_1_2_w
0x8000-0x9FFF	8192	ROM	(/* space for diagnostic ROM? */)
0x8000-0x8002	3	Write	gei_drawctrl_w
0xA000-0xBFFF	8192	ROM
0xC000-0xFFFF	16384	RAM Write	gei_bitmap_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:bank

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	pokr	CRC(1e9651a0)
0x8000-0xFFFF	32768	bljk	CRC(afde21e6)
0x10000-0x17FFF	32768	bone	CRC(6a84fc5d)
0x18000-0x1FFFF	32768	slot	CRC(11b85a71)
0x20000-0x27FFF	32768	sprd	CRC(2f067b3d)
0x28000-0x2FFFF	32768	hrse	CRC(ab1d014a)
0x30000-0x37FFF	32768	dogs	CRC(83cd070a)
0x38000-0x3FFFF	32768	memotest	CRC(8942b98c)
0x40000-0x47FFF	32768	reelfun	CRC(b3ede904)
0x48000-0x4FFFF	32768	fact#1	CRC(949b5519)
0x50000-0x57FFF	32768	adltsex#1	CRC(9e4d320b)
0x58000-0x5FFFF	32768	nfl#1	CRC(74fbbf17)
0x60000-0x67FFF	32768	entr#1	CRC(caceaa7b)
0x68000-0x6FFFF	32768	grph	CRC(25e265db)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	cont	CRC(920020df)