Reading from 38000 in assembler

Hi, i just tried to write some code in assembler.
Compiling and executing the code from the JAVA file workes fine, but i
didn't get the correct result.


this is the working code in java


keyPort = new com.dalsemi.system.DataPort(0x380000);
keyPort.setFIFOMode( true );
keyPort.setStretchCycles(DataPort.STRETCH10);
keyPort.read()


and the not working code in assembler code : (allways getting 249)

readKey:
        WOS_DISABLE_INTERRUPTS
        TIMEDACCESS
        ANL MCON,#11110000B

        orl CKCON, #00000111b

        mov dptr, #380000h

        movx a, @dptr

        TIMEDACCESS
        orl mcon,#00001111B
        WOS_ENABLE_INTERRUPTS

        mov R0, a
        clr a
        mov R1, a
        mov R2, a
        mov R3, a

        ret


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