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Language syntax:

REM comment

DEF const = expr

DEF function-name DEF function-name ( arg [ , arg ]... )

END DEF

RETURN expr

dim-statement:

DIM variable-def [ , variable-def ]...

variable-def:

var [ scalar-initializer ]
var '[' size ']' [ array-initializer ]

scalar-initializer:

= constant-expr

array-initializer:

= { constant-expr [ , constant-expr ]... }

[LET] var = expr

IF expr

ELSE IF expr

ELSE

END IF

STOP

END

FOR var = start TO end [ STEP inc ]

NEXT var

DO DO WHILE expr DO UNTIL expr

LOOP LOOP WHILE expr LOOP UNTIL expr

label:

GOTO label

PRINT expr [ ;|, expr ]... [ ; ]

expr AND expr expr OR expr

expr ^ expr expr | expr expr & expr

expr = expr expr <> expr

expr < expr expr <= expr expr >= expr expr > expr

expr << expr expr >> expr

expr + expr expr - expr expr * expr expr / expr expr MOD expr

• expr ~ expr NOT expr

function ( arg [, arg ]... ) array [ index ]

(expr) var integer "string"

Built-in variables:

clkfreq par cnt ina inb outa outb dira dirb ctra ctrb frqa frqb phsa phsb vcfg vscl

Built-in Functions:

waitcnt(target) waitpeq(state, mask) waitpne(state, mask)