LISA Luc19 "Detour in ppo" { } P0 | P1 | P2 ; w[once] x 1 | r[once] r0 y | w[once] z 2 ; f[mb] | mov r1 (and r0 128) | ; w[once] y 1 | mov r1 (add r1 1) | ; | w[once] z r1 | ; | r[once] r2 z | ; | mov r3 (and r2 128) | ; | f[rb_dep] | ; | r[once] r4 x+r3 | ; Observed z=2; 1:r4=0; 1:r2=2; 1:r0=1;