Commodore 64 Cartridge: Simon's Basic Cartridge [game only]

Commodore 64 Cartridge: Simon's Basic Cartridge [game only]

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Simon's BASIC added an array of features to Commodore BASIC 2.0:

Programs written in Simon's BASIC could employ hexadecimal numbers in assignments and calculations by including a $ prefix, or binary numbers by utilizing a % prefix.

Because a portion of the cartridge data is mapped into memory at addresses $8000–$9FFF, which overlaps part of the standard C64 BASIC RAM, the amount of available memory for BASIC programs was 8 KB less than that of a standard C64 configuration.