where do i go from here 2.3 lost compression

[ltack1950]

have 87 190e 2.3, ran good on way home started missing, when i stop the engine shook the whole car, pulled off one plug wire no change in engine running, plug firing, repeated this to 2nd cyl. same, the engine would run and idle about the same with 2 plug wires off, checked compression on 1st cyl no reading where should i go from here????????????