Revert "objectAtPut must leave both args on the stack, evidently"

This reverts commit 474eceeca210c340755e6fb3f10b75753e20b8e3.
Revert "Fix backwards jumps"

This partly reverts commit 301fd30222d4cfa114dbe3345588d04b0f03be7a
More 32 -> 16
Properly print partial store temp bytecode