Can someone please tell me why DX = FFF9h and not FFF90059h in the second last line? And what is that line doing exactly, what does mov dx, 2[EAX] mean exactly? Move 2 times the EAX array register? I'm so confused.

Also why is the last mov instruction invalid?

01 23h at action ODODODOoh 1. A: value = ---- - at address FF F900 59 h 00000004 h 2. B: value = - ---- at address - 46h at 0000000 Ah 3. C: value = ---- -------- at address - - NIA 4. WD: value = __ at address __NA --- at address 0000 0004 h LEA EBX, B; EBX = MOV DX, 2(EBX) ; DX _FFFgh MOV DX, 2(EBX]; DX = IM ula MOV EX, A; Fax _ Invalid MOV EAX, A; EAX =