there used to be cookie support but it doesnt work so no more
input the amount of pixels you want to undo every time you click the button and press the OK button.
how to use NESPaint:
-buttons
the colored buttons make your pen their respective color
E = erase/white
SPR = spray button
PEN = regular pen
SIZ = pen size (default is 10)
COLOR = custom pen color. put in hex code
⎌ = undo button
drawing tl = acts as the "go" button but "replays" how a loaded image was drawn