Question & Answer: For each of the instructions highlighted (boldface), derive the effective address of the memory variable (so…..

For each of the instructions highlighted (boldface), derive the effective address of the memory variable (source) if any memory variable is involved, and the contents of the register a or d (whichever one involved) right after the instruction is executed. Answer in hexadecimal. Assume that all bytes in the variables va, vb and vc are initially zero $0800 RAMStart EQU ROMStart EQU$4000 ORG DS.B DS.B DS.W DC.B DC.W$01,$10,$80E,$810, A,BCD RAMStart va VC $01,S10,SAF,1,23 ve ORG ldaa ldd ldd ldaa ldaa ldx ldaa ldaa ldaa ldaa ldab ldaa ldx IdaaS18,x ldd Idaa [d.x ROMStart #$12 #$802 $802 va $810 0,x .x 2,+X b,x #$802 #22

For each of the instructions highlighted (boldface), derive the effective address of the memory variable (source) if any memory variable is involved, and the contents of the register a or d (whichever one involved) right after the instruction is executed. Answer in hexadecimal. Assume that all bytes in the variables va, vb and vc are initially zero.

Expert Answer

 

Still stressed from student homework?
Get quality assistance from academic writers!