ZX Spectrum Display Effects Explorer

Explore how the ZX Spectrum combines an existing screen character with a character being printed. Experiment with OVER, INVERSE, transparent attributes, contrast, BRIGHT and FLASH.

Pixel Operations

OVER
INVERSE

Existing Screen Cell

INK
PAPER

Character Being Applied

INK
PAPER

Result

Final Attributes

INK
PAPER
BRIGHT
FLASH

Attribute Byte

Decimal
Binary
Hex

Bitmap Bytes

Row Binary Dec Hex

Character Tools

What is happening?

Example Spectrum BASIC