The X-Files Memory Map

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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.

The X-Files (dgPIX Entertainment Inc., 1999)

Memory Area:cpu_map

Address Range	Length	Function	Description
0x0000-0x7FFFFF	8388608	RAM
0x40000000-0x4003FFFF	262144	Read/Write	vram_r, vram_w
0xE0000000-0xE1FFFFFF	33554432	Read/Write	flash_r, flash_w
0xE2000000-0xE3FFFFFF	33554432	Read/Write	flash_r, flash_w
0xFFC00000-0xFFFFFFFF	4194304	ROM, Region, Shared	flash, 0x1c00000, nvram

Memory Area:io_map

Address Range	Length	Function	Description
0x0200-0x0203	4	Read NOP	(// used to sync with the protecion PIC? tested bits 0 and 1)
0x0200-0x0203	4	Write	coin_w
0x0400-0x0403	4	Read/Write	vblank_r, vbuffer_w
0x0A10-0x0A13	4	Read Port	INPUTS
0x0C00-0x0C03	4	Write NOP	(// writes only: 1, 0, 1 at startup)
0x0C80-0x0C83	4	Read NOP	(//read at startup -> cmp 0xFE)
0x0C80-0x0C83	4	Write NOP	(// sound commands / latches)
0x0C84-0x0C87	4	Read NOP	(// sound status, checks bit 0x40 and 0x80)

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:cpu2

Address Range	Length	Label/Location	Description
0x0000-0x0FFF	4096	xfiles_pic