6502 cleanup: rvalue is now just LOAD(lvalue); no special casing for IMM any more
6502 cleanup: rvalue is now just LOAD(lvalue); no special casing for IMM any more

lvalue of the IMM case is a new temporary variable in which we store
the constant


monocasa/libcpu,glguida/libcpu,monocasa/libcpu,monocasa/libcpu,ukatemi/libcpu,glguida/libcpu,curtiszimmerman/libcpu,ukatemi/libcpu,curtiszimmerman/libcpu,libcpu/libcpu,glguida/libcpu,ukatemi/libcpu,glguida/libcpu,ukatemi/libcpu,libcpu/libcpu,curtiszimmerman/libcpu,libcpu/libcpu,curtiszimmerman/libcpu,monocasa/libcpu,libcpu/libcpu