Game Settings - CraftyMech BITKIT Manual

3: Game Settings

Unique settings for each game title are listed below. For an explanation of
common settings (e.g. Lives, Cocktail) see the previous chapter.
NIBBLER
Difficulty - The available options for this setting are Normal and Hard.
The effect the Hard option has on gameplay depends on the rom version.
For version 6, Nibbler will not pause at corners (normally a 13 frame
delay). For all other versions, the Hard option causes the game code to
use a more aggressive progression of speed & growth for Nibbler.
Turbo - This setting when enabled will run the game code at full speed
(1.4 mhz). Normally, the CPU will skip every other clock cycle when
accessing program code. Effectively, this reduces game speed by a little
less than half. This setting can be thought of as "Dwayne's Mode". In the
documentary Man Vs. Snake, Dwayne Richard achieved a billion point
score on his personal Nibbler cabinet. However, it was later determined
the CPU was faulty and the game was running too fast. Instead of
slowing down when accessing program code, the CPU was running at full
speed. This causes gameplay artifacts, such as abreviated sound effects, a
faster title screen sequence, and a faster death sequence for Nibbler.
FANTASY
No Extend - The default value for this setting is OFF, which will grant
the player the ability to continue their game during the first loop only.
If enabled, the player is not able to continue the game after losing all of
their lives. Fantasy was one of the first arcade games to offer a continue
option.
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