// patch
Wurley wurley => dac;

// offset
57 => int offset;

// mapping
[ 0, 2, 4, 5 ] @=> int pitch[];

// state transition table
[ 
  [ .8, 0.0, 0.2, 0.0 ], // <--- make sure values in each row adds up to 1
  [ .3, .1, .5, .1 ],
  [ 0.0, .65, .25, .1 ],
  [ .1, .2, .7, 0 ]
] @=> float table[][];

// current state
3 => int state;

// go
while( true )
{
    // sound the current state
    offset + pitch[state] => Std.mtof => wurley.freq;
    1 => wurley.noteOn;

    // generate probability
    Std.rand2f( 0, 1 ) => float prob;
    // sum
    0 => float sum;
    // find transition
    for( int i; i < table[state].size(); i++ )
    {
        // sum probs we've seen so far
        table[state][i] +=> sum;
        // check
        if( sum > prob )
        {
            // i is the next state to transition to
            i => state;
            // break out of for
            break;
        }
    }

    // advance
    200::ms => now;
}