====== Keyword list ======

^Keyword^Description^
|''?''|Alias to ''PRINT''|
|'''''|Alias to ''REM''|
|''ATTRB''|Character attributes|
|''BOX (x1,y1)-(x2,y2)''|Draws a rectangle (the top left pixel is (0,0)|
|''BOXF (x1,y1)-(x2,y2),color''|Fills a rectangle with the given color (optional, if not given use the current pen color). Negative colors lead to filling with the requested color as the background one.|
|''CLS''|Clear screen|
|''COLOR foreground,background''|Change pen colors (parameters are optional)|
|''CONSOLE''|
|''DELETE''|
|''END''|Ends program execution|
|''FOR v=s TO e STEP n''|FOR loop, incrementing v by n each time until it reaches e. The STEP is optional (default is 1) and can be negative.|
|''GOTO line''|Jump to program line|
|''IF a THEN statement ELSE statement''|Conditions (the statement can be just a line number)|
|''INPUT "message";variable1,variable2''|Set variables to user-entered values (comma separated). A ''?'' is printed after the message and before reading the values from the user.|
|''LINE (x1,y1)-(x2,y2)''|Draws a line (first point is optional, current cursor position is used: ''LINE -(x2,y2)'')|
|''LIST line''|List the program in memory (parameter is optional, if missing the whole program is listed)|
|''LOCATE x,y''|Move the cursor|
|''NEW''|New program, remove current one from memory|
|''NEXT v''|Closes FOR loop.|
|''PLAY s$''|Plays music. The string is made of notes DO,RE,MI,FA,SO,LA,SI (with # and b modifiers), octave changes (O1-O5), note duration changes (L1-L96), silences (P), tempo changes (T1-T256), attack settings (A0-A255). Spaces are ignored and can be used for readability|
|''PRINT value''|Prints a value (if the value is suffixed with a ; insert a tabulation after it. else goes to next line)|
|''PRINT USING''|
|''PSET(x,y)''|Set a pixel|
|''REM''|Comments (REMark). Anything following this on the line is ignored.|
|''RUN''|run the program|
|''SCREEN foreground,background,border''|Changecolors for whole screen|

^Function^Description^
|''COS(v)''|Cosine|
|''INT(v)''|Integer part of value|
|''INSTR''|
|''LEFT$(s$,n)''|Get a substring of the N first chars of S|
|''LEN(s$)''|Get length of string|
|''MID$''|
|''RIGHT$(s$,n)''|Get a substring of the N last chars of S|
|''RND''|Random value between 0 and 1|
|''SIN(v)''|Sine|
|''STR$''|
|''VAL''|


^Operator^Description^
|''+''|Addition, string concatenation|
|''-''|Substraction|
|''*''|Multiplication|
|''/''|Division|
|''MOD''|Modulo|
|''@''|Integer division|
|''=''|Assignment|
|''^''|Exponent|

^Condition^Description^
|''=''|Equality|

====== Tips and tricks ======

The PLAY command can be used for accurate delays.