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NES/Hardware information: Difference between revisions
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(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) |
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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/