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Systems Memory Mapping

meleu edited this page Feb 10, 2019 · 18 revisions

TO BE DONE

This page details how the memory of each supported system is mapped.

NES

Famicom Disk System

SNES

N64

GB

GBC

GBA

VirtualBoy

Master System

MegaDrive (Genesis)

GameGear

Atari 2600

Atari 7800

Atari Lynx

ColecoVision

NeoGeo Pocket

PCEngine (TurboGrafx16)

PCEngine CD

Arcade

PC-8001 / PC-8801

The memory map is based on the PC-8801 layout1, but excludes graphics VRAM and extended RAM.

PC-8801

Bank Offset Length Description
0 0x00000 0x10000 Main RAM
1 0x10000 0x1000 Text VRAM

Text VRAM is also known as high-speed RAM, and is used as a main RAM area in some titles.

PC-8001

The entire memory space2 is mapped in the PC-8801 main RAM bank, but only RAM is exposed, so most of the mapped space will remain uninitialized.

Offset Length Description
0x08000 0x08000 RAM

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