README.txt

Language syntax:

// comment

/* comment */

def const = expr ;

def function-name () { /* statements */ }

def function-name ( arg [ , arg ]... ) { /* statements */ }

return;

return expr;

var-statement:

var variable-def [ , variable-def ]... ;

variable-def:

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

scalar-initializer:

= constant-expr

array-initializer:

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

if ( expr ) statement

if ( expr ) statement else statement

for ( init-expr; test-expr; inc-expr ) statement

while ( test-expr ) statement

do statement while ( test-expr )

continue ;

break ;

label :

goto label ;

print 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 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 --expr expr++ expr--

function() 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)