Saturday, September 28, 2024

Games That Push the Limits of the NES With Extra RAM

Take a look at Gauntlet on the NES.  The cartridge has extra RAM to store a larger playfield.

The NES doesn't have enough sprites for Gauntlet.  

My problem with playing the game is that it is obvious that the enemies are being animated with background tiles and not sprites.  This means that they can only move 8 or 16 pixels at a time.  It doesn't look terrible but it does look a bit odd.

However, if I were writing the same game for something like the 2068 computer that doesn't have sprites then I would have to do the same thing.  This is common for 2068/Spectrum games.  My Diamond Mike game draws the entire screen on every frame, which is costly and makes the frame rate low, so it scrolls 16 pixels at a time.  This works because the game is puzzle-like where the character is moving from one square to the next.

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