Can i only use the MOV command (for bit addressable registers like PSW,ACC as well as ports ) with the carry bit?

Is the command : MOV PSW.4,ACC.4 work with the assembler? if not why? How can i directly move a bit from one bit addressable loacation to the other and between SFRs?

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I am using EDSim51dI version 2.1.14
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ALSO, i am having problems using commands for bit addressing of PSW in the sim...!

EX: These instructions dont seem to work

org 0000h
mov psw,#0fh
mov c,psw.4


mov c, psw.4