I initially just wanted to display a large text for a title screen... and I ended with this.
use:
left and right to control the scrolling speed (two ways)
up and down to control the wave frequency
call scan_text() at the beginning of your program : it clears the screen twice
you can add your own effects very easily into put_sintext() - the existing five ones should help
Really a nice idea of putting text to screen, derive-data, making cls() again.
Great! helped me allot putting my very first PICO-8 demo together.
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