ZX BASIC:FLASH

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Contents

FLASH

Syntax

FLASH <value> 

or

PRINT FLASH <value>;

This can be used to change the permanent print settings, or the temporary ones. When used as a direct command:

FLASH n
where n is either 0 (false) or 1 (true), then the subsequent print statements will print characters that have their INK and PAPER values swapped at regular intervals automatically by the Spectrum's ULA.

Just as in Sinclair basic, this command can be used as temporary colours by combining them with a print statement:

Print INK 0;PAPER 7; FLASH 1; "This is flashing black and white text"

This format does not change the permanent colour settings and only affects the characters printed within that print statement.

Remarks

  • This function is 100% Sinclair BASIC compatible.

See also

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