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Control Transfer or Branching Instruction
Control transfer instructions transfer the flow of execution of the program to a new address specified in the instruction indirectly or directly. When these types of instructions are executed, the CS register and IP registers get loaded with new values of CS and IP register equivalent to the location where the flow of execution is going to be transferred. Depending on the addressing modes, the CS register may/ may not be modified. These instructions are classified in 2 types:
1) Unconditional Control Transfer (Branch) Instructions:- In this case, the execution control is transferred to the specified location independent of any condition or status. The CS and IP register are unconditionally modified to the new CS and IP register.
2) Conditional Control Transfer (Branch) Instruction:- In this, the control is transferred to the specified location provided the result of the past operation satisfies a specific condition, or else, the execution continues in normal flow sequence. Condition code flags replicate the results of the past operations. In other term, by using this type of instruction the control will be transferred to specific specified location, if a specific flag satisfies the condition.
Interrupt System Based on Single 8259 A The 8259A is contained in a 28-pin dual-in-line package that need only a + 5-V supply voltage. Its organization is shown in given figur
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write a program using assembly language that print your name
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Any small project which can implement on any software. No need any external hardware approach.
Mov ax, [1234h: 4336h + 100]
assembly language program to find larges number in an array
LENGTH : Byte Length of a Label: This directive is not available in MASM. This is used to mention to the length of a data array or a string. MOV CX. LENGTH ARRAY This sta
.MODEL SMALL .STACK 100H .DATA PROMPT DB \''The 256 ASCII Characters are : $\'' .CODE MAIN PROC MOV AX, @DATA ; initialize DS MOV DS, AX
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