If you are still using the old URL (datacrystal.romhacking.net), please update your bookmarks! The old URL may stop working soon.
The current URL is datacrystal.tcrf.net.
The current URL is datacrystal.tcrf.net.
Nintendo Entertainment System/Hardware information: Difference between revisions
Jump to navigation
Jump to search
(Organize into CPU and PPU sections; MOS Technology designed the 6502; there are no "16 color" or "24 color" modes; there is nothing 256x224 about the PPU at all) |
m (cat) |
||
Line 24: | Line 24: | ||
More NES hardware information can be found at http://nesdev.parodius.com/wiki/ | More NES hardware information can be found at http://nesdev.parodius.com/wiki/ | ||
[[Category:Nintendo Entertainment System|Hardware Information]] |
Revision as of 20:29, 24 October 2005
The Nintendo Entertainment System (NES for short) consists of:
- 2A03 Central Processing Unit
- A 6502 8-bit (using a custom MOS Technology 6502 class) Processor running at ~1.8Mhz
- On-die PSG sound supporting 5 channels:
- 2 square wave
- 1 triangle wave
- 1 noise
- 1 PCM
- 16 Kbit (2kb) of RAM
- 2C02 Picture Processing Unit
- 16 Kbit (2kb) of VRAM
- Screen Resolution of 256x240
- 52 Colours Available (four levels of gray, and four levels of each of 12 hues)
- Up to 25 colours on screen
- Maximum of 64 sprites
- Maximum of 8 sprites per scanline
- 8x8 or 8x16 sprite size
- Two picture scrolls, Horizontal and Verical
- Game Pak
- Min/Max attested cart size: 192 Kbit - 4 Mbit
- More than 320 Kbit requires bankswitching hardware
- Some games contain extra RAM for the CPU and/or PPU
More NES hardware information can be found at http://nesdev.parodius.com/wiki/