right arrow to save up/down arrow top scroll through code left arrow to delete end of a program press enter to delete an entire line there are 4 shades[0 to 7] instructions DEF (...) makes a variable LOOP (...) makes the program go to a specified line of code (...) = (...) sets a variable to a value (...) = (...) +/-/*// (...) does arithmetic can only have 3 arguments eg a = b - c would work but a = b + c - d wouldnt PRINT (...) writes the variable specified to the display ifz (...) is a loop command but only if the last operation resulted in zero HLT stops the program so, a timer would be: 1.def count 2.count = 60 3.count = count - 1 4.print count 5.ifz 7 6.loop 3 7.hlt CLEAR resets the screen REFRESH draws the screen LINE draws a line from (...), (...) and then moves in the x by (...) and y by (...) in the colour (...) PIXEL draws a pixel at specified coordinates and colour WHN when a key is pressed but only for a frame
