Addressing Modes - Part 2 ( Example )
ฝัง
- เผยแพร่เมื่อ 5 เม.ย. 2017
- Computer Organization & Architecture
Addressing Modes Example covering
- Implied Mode
- Immediate Mode
- Register Direct Mode
- Register Indirect Mode
- Auto Increment/Decrement Mode
- Direct Address Mode
- Indirect Address Mode
- Relative Address Mode
- Indexed Address Mode
- Base Address Mode
Addressing Modes - Part 1
• Addressing Modes - Part 1
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Doubts can be asked in the comments section.
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Mam you r a life saver. One night before my mid term exam i am studying this topic and i get all the points very clearly thank to you.
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Sound quality is bad
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Ma'am when the auto increment jas changed the value of register R1 to 401 so why we are using 400 in decrement addressing mode
Thank u
Thanks mam
In auto decrement (as the register value is updated to 401 previously ) why effective address is not 401-1=400?
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mam please upload videos on design of control unit immediately.need it very badly
the question is that you said that after the instruction is completed in the auto increment a.m. the value becomes 401.then why did you used the previous valueof400
She used it as if she is using it for the first time ,it's correct
In autoincrement the value should not be changed. But I guess for auto decrement she should have used
401-1 =400.Because the value is incremented in the previous. I Know its too late to reply but still, I just want to know if my perception is correct.
@@logarathinam1782 sir if we use 401-1=400 but she wrote 399 that's all about this
She's using the *original* values for all the cases. Do not think that the process is in sequence because we've assumed it's not, Why is it assumed that the process isn't in sequence? I don't know.
In auto decrement,
original value of *R* = 400.
R = 399.
Have a look at Relative addr and Index addr, original value of address( ie. 500) was added to PC and XR.
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+Vishal Sethi thanks ☺️
All doubts cleared
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+A'laa Essam welcome😊
Noiceee
operand value of auto increment will be 700 or
changed according to the address of 401???
In the auto decrement part shouldnt the value in the register become 400 again as u have auto-incremented prior to it which leads us to the result as 700
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+Rohit Kumar Singh welcome 😊
Tq
Madam, can you please provide classes on "addressing modes in branch addressing". : intrasegment direct, intersegment direct, intrasegment indirect and intersegment indirect.
nice
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What is xr ? And why are the values of r1 and direct add. different. Would all the values given or it would be derived. ?
In some videos auto decrement performed likes auto increment so it's correct or not
in part one you said that for auto increment we have to take the main address and then after execution we will increase it by 1, now in this part 2 question you took register given R as 400 in place of main address. how did this happened mam?
Mam,autoincrement always below the register indirect?
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simplest video on this question
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why we dont write implied and base adressing mode ?
implied directly hold the accumulator value .. mean operand is already present and no EA is required. also for base its same like index addressing mode but we use the base address.
thanx mam
+Akash Mukherjee welcome ☺️
Wts th difference between memory and registers?...coz in autodecrement mode u subtract the register address by 1 and took the value from memory....is thatthe way of execution of autodecrement mode......because in autoincrement mode u took the register value as the operand value
memory is main memory and registers are stored in CPU. Registers are for faster execution. so we use registers to save memory.
Mam please add the vedio on DMA
an instruction is stored at location 300 with its address fields at location 301. the address field has the value 400. a processor register r1 contains the number 200. evaluate the effective address if the addressing mode of the instruction is (a) direct, (b) immediate. (c) relative. (d) register indirect, (e) index with r1 as the index register.
I want this answer
why we r not taking 401 as effective address bcoz register value is incremented in the above row
Ma'am in the auto increment the value became 401
Bt it auto decrement we have taken a starting value of 400 instead...... Why so???
implied and base add mode is not mentioned?
nice sis but can improve sound quality
What is XR here and explain about index,base registers
Mam u got awesome voice
+Crytek Dx13 thanks ☺️
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And thanks
Ur all videos are really helpful
explanation is excellent ,but audio is poor