Simulate 10000 binary vectors(marginal probabilities p1=.01,p2=.04, correlation=0.27

I need to create a macro to simulate 10000 binary vectors where marginal probabilities p1=.01 and p2=.04 and correlation=.27. I have no problems simulating the vectors using the random number generator but I have problems ensuring that the correlation is 0.27. This macro looks okay to me but it runs forever. Do I need to use Cholesky to simulate the binary vectors?

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