'Word ptr' presentation slideshows

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MOV Instruction

MOV Instruction. MOV destination,source MOV AX,BX MOV SUM,EAX MOV EDX,ARRAY[EBX][ESI] MOV CL,5 MOV DL,[BX]. Addressing Modes. These are the different ways in which data may be accessed by the microprocessor. Immediate. Register. Memory. Direct. Register indirect. Base plus index.

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CS2422 Assembly Language & System Programming

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16.317 Microprocessor Systems Design I

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16.317 Microprocessor Systems Design I

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ECE 291

ECE 291. Lecture 7: More on Addressing Modes, Structures, and Stack Constantine D. Polychronopoulos Professor, ECE Office: 463 CSRL. Spring 2000. Defining Constant Data & Structures. Label OPCODE OPERAND(S) Comments

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16.317 Microprocessor Systems Design I

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ECE 291

ECE 291. Lecture 7: More on Addressing Modes, Structures, and Stack Constantine D. Polychronopoulos Professor, ECE Office: 463 CSRL. Spring 2000. Defining Constant Data & Structures. Label OPCODE OPERAND(S) Comments

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Ptr Operator

Ptr Operator. Ptr Operator - For some instructions, the size of the operand is not clear (INC [20H]). INC Byte Ptr [0020]. INC Word Ptr [0020]. PTR Operator. Ptr Operator allows the override of the default size of an operand.

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