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The_Liquid_Laser said: The NES had a graphics chip. However, it had the same processor as the Atari 2600. The NES is notorious for flicker and slowdown because its processor was so weak. |
No, it hadn't. They have processors of the same CPU family, both based on the 6502... not the same CPU!
The Atari 2600 had a dumbed down 6507, clocked 1.19 MHz, with very limited memory access: the chip can only address 8 Kb memory and the cartridge slot limited it further down to addressable 4 KB.
The NES had a Ricoh 2A03, clocked 1.79 MHz.
You also can't just ignore the different co-processors and suggest that both devices had the same limitations, but Nintendo was better in optimization.