SlideShare a Scribd company logo
ADDRESSING MODES 
OF 8085 
Mr. Gursharan Singh Tatla 
professorgstatla@gmail.com 
Gursharan Singh Tatla 1
Addressing Modes of 8085 
 To perform any operation, we have to 
give the corresponding instructions to 
the microprocessor. 
 In each instruction, programmer has to 
specify 3 things: 
◦ Operation to be performed. 
◦ Address of source of data. 
◦ Address of destination of result. 
Gursharan Singh Tatla 2
Addressing Modes of 8085 
 The method by which the address of 
source of data or the address of 
destination of result is given in the 
instruction is called Addressing 
Modes. 
 The term addressing mode refers to 
the way in which the operand of the 
instruction is specified. 
Gursharan Singh Tatla 3
Types of Addressing Modes 
 Intel 8085 uses the following 
addressing modes: 
1. Direct Addressing Mode 
2. Register Addressing Mode 
3. Register Indirect Addressing Mode 
4. Immediate Addressing Mode 
5. Implicit Addressing Mode 
Gursharan Singh Tatla 4
Direct Addressing Mode 
 In this mode, the address of the 
operand is given in the instruction 
itself. 
LDA 2500 H Load the contents of memory 
location 2500 H in accumulator. 
 LDA is the operation. 
 2500 H is the address of source. 
 Accumulator is the destination. 
Gursharan Singh Tatla 5
Register Addressing Mode 
 In this mode, the operand is in general 
purpose register. 
MOV A, B Move the contents of register B to 
 MOV is the operation. 
 B is the source of data. 
 A is the destination. 
Gursharan Singh Tatla 6 
A.
Register Indirect Addressing 
Mode 
 In this mode, the address of operand 
is specified by a register pair. 
MOV A, M Move data from memory location 
specified by H-L pair to accumulator. 
 MOV is the operation. 
 M is the memory location specified by 
H-L register pair. 
 A is the destination. 
Gursharan Singh Tatla 7
Immediate Addressing Mode 
 In this mode, the operand is specified 
within the instruction itself. 
MVI A, 05 H Move 05 H in accumulator. 
 MVI is the operation. 
 05 H is the immediate data (source). 
 A is the destination. 
Gursharan Singh Tatla 8
Implicit Addressing Mode 
 If address of source of data as well as 
address of destination of result is fixed, 
then there is no need to give any 
operand along with the instruction. 
CMA Complement accumulator. 
 CMA is the operation. 
 A is the source. 
 A is the destination. 
Gursharan Singh Tatla 9
Gursharan Singh Tatla 10

More Related Content

What's hot

8051 MICROCONTROLLER ARCHITECTURE.pptx
 8051 MICROCONTROLLER ARCHITECTURE.pptx 8051 MICROCONTROLLER ARCHITECTURE.pptx
8051 MICROCONTROLLER ARCHITECTURE.pptx
MemonaMemon1
 
8086 microprocessor-architecture
8086 microprocessor-architecture8086 microprocessor-architecture
8086 microprocessor-architecture
prasadpawaskar
 
8051 Microcontroller PPT's By Er. Swapnil Kaware
8051 Microcontroller PPT's By Er. Swapnil Kaware8051 Microcontroller PPT's By Er. Swapnil Kaware
8051 Microcontroller PPT's By Er. Swapnil KawareProf. Swapnil V. Kaware
 
Addressing modes
Addressing modesAddressing modes
Addressing modes
karthiga selvaraju
 
Microcontroller-8051.ppt
Microcontroller-8051.pptMicrocontroller-8051.ppt
Microcontroller-8051.ppt
Dr.YNM
 
Register Organisation of 8086 Microprocessor
Register Organisation of 8086 MicroprocessorRegister Organisation of 8086 Microprocessor
Register Organisation of 8086 MicroprocessorNikhil Kumar
 
8051 Addressing Modes
8051 Addressing Modes8051 Addressing Modes
8051 Addressing Modes
Senthil Kumar
 
Direct memory access (dma) with 8257 DMA Controller
Direct memory access (dma) with 8257 DMA ControllerDirect memory access (dma) with 8257 DMA Controller
Direct memory access (dma) with 8257 DMA Controller
Muhammed Afsal Villan
 
8051 microcontroller
8051 microcontroller 8051 microcontroller
8051 microcontroller
Gaurav Verma
 
Interfacing with peripherals: analog to digital converters and digital to ana...
Interfacing with peripherals: analog to digital converters and digital to ana...Interfacing with peripherals: analog to digital converters and digital to ana...
Interfacing with peripherals: analog to digital converters and digital to ana...
NimeshSingh27
 
Microprocessor Interfacing and 8155 Features
Microprocessor Interfacing and 8155 FeaturesMicroprocessor Interfacing and 8155 Features
Microprocessor Interfacing and 8155 Features
Srikrishna Thota
 
Pin diagram 8085
Pin diagram 8085 Pin diagram 8085
Pin diagram 8085
Siddhesh Palkar
 
8155 PPI
8155 PPI8155 PPI
8155 PPI
ShivamSood22
 
8051 i/o port circuit
8051 i/o port circuit8051 i/o port circuit
8051 i/o port circuit
dharmendrawaghjipur007
 
Serial Communication in 8051
Serial Communication in 8051Serial Communication in 8051
Serial Communication in 8051
Sudhanshu Janwadkar
 
Interfacing Stepper motor with 8051
Interfacing Stepper motor with 8051Interfacing Stepper motor with 8051
Interfacing Stepper motor with 8051
Pantech ProLabs India Pvt Ltd
 
Interrupts of 8085
Interrupts of 8085Interrupts of 8085
Interrupts of 8085
ShivamSood22
 
program status word
program status wordprogram status word
program status word
sheetalverma38
 
8086-instruction-set-ppt
 8086-instruction-set-ppt 8086-instruction-set-ppt
8086-instruction-set-pptjemimajerome
 

What's hot (20)

8051 MICROCONTROLLER ARCHITECTURE.pptx
 8051 MICROCONTROLLER ARCHITECTURE.pptx 8051 MICROCONTROLLER ARCHITECTURE.pptx
8051 MICROCONTROLLER ARCHITECTURE.pptx
 
8086 microprocessor-architecture
8086 microprocessor-architecture8086 microprocessor-architecture
8086 microprocessor-architecture
 
8051 Microcontroller PPT's By Er. Swapnil Kaware
8051 Microcontroller PPT's By Er. Swapnil Kaware8051 Microcontroller PPT's By Er. Swapnil Kaware
8051 Microcontroller PPT's By Er. Swapnil Kaware
 
Addressing modes
Addressing modesAddressing modes
Addressing modes
 
Microcontroller-8051.ppt
Microcontroller-8051.pptMicrocontroller-8051.ppt
Microcontroller-8051.ppt
 
Register Organisation of 8086 Microprocessor
Register Organisation of 8086 MicroprocessorRegister Organisation of 8086 Microprocessor
Register Organisation of 8086 Microprocessor
 
8051 Addressing Modes
8051 Addressing Modes8051 Addressing Modes
8051 Addressing Modes
 
Direct memory access (dma) with 8257 DMA Controller
Direct memory access (dma) with 8257 DMA ControllerDirect memory access (dma) with 8257 DMA Controller
Direct memory access (dma) with 8257 DMA Controller
 
8051 microcontroller
8051 microcontroller 8051 microcontroller
8051 microcontroller
 
Interfacing with peripherals: analog to digital converters and digital to ana...
Interfacing with peripherals: analog to digital converters and digital to ana...Interfacing with peripherals: analog to digital converters and digital to ana...
Interfacing with peripherals: analog to digital converters and digital to ana...
 
Microprocessor Interfacing and 8155 Features
Microprocessor Interfacing and 8155 FeaturesMicroprocessor Interfacing and 8155 Features
Microprocessor Interfacing and 8155 Features
 
Pin diagram 8085
Pin diagram 8085 Pin diagram 8085
Pin diagram 8085
 
8253ppt
8253ppt8253ppt
8253ppt
 
8155 PPI
8155 PPI8155 PPI
8155 PPI
 
8051 i/o port circuit
8051 i/o port circuit8051 i/o port circuit
8051 i/o port circuit
 
Serial Communication in 8051
Serial Communication in 8051Serial Communication in 8051
Serial Communication in 8051
 
Interfacing Stepper motor with 8051
Interfacing Stepper motor with 8051Interfacing Stepper motor with 8051
Interfacing Stepper motor with 8051
 
Interrupts of 8085
Interrupts of 8085Interrupts of 8085
Interrupts of 8085
 
program status word
program status wordprogram status word
program status word
 
8086-instruction-set-ppt
 8086-instruction-set-ppt 8086-instruction-set-ppt
8086-instruction-set-ppt
 

Viewers also liked

Addressing modes of 8085
Addressing modes of 8085Addressing modes of 8085
Addressing modes of 8085
Gaurav Solanki
 
8295
82958295
8295
eirinips
 
Dma and dma controller 8237
Dma and dma controller 8237Dma and dma controller 8237
Dma and dma controller 8237Ashwini Awatare
 
Comparative study of 8085,86,286
Comparative study of 8085,86,286Comparative study of 8085,86,286
Comparative study of 8085,86,286
Pravin Kulkarni
 
Addressing modes 8085
Addressing modes 8085Addressing modes 8085
Addressing modes 8085
varun sukheja
 
8085 instruction set and addressing modes
8085 instruction set and addressing modes8085 instruction set and addressing modes
8085 instruction set and addressing modes
Vijay Kumar
 
Addresing mode and timing diagram
Addresing mode and timing diagramAddresing mode and timing diagram
Addresing mode and timing diagram
trivediau1
 
8086 addressing modes
8086 addressing modes8086 addressing modes
8086 addressing modes
j4jiet
 
Addressing mode & data transfer instruction of 8085
Addressing mode & data transfer instruction of 8085Addressing mode & data transfer instruction of 8085
Addressing mode & data transfer instruction of 8085
Chinmayee samal
 
8237 dma controller
8237 dma controller8237 dma controller
8237 dma controllerTech_MX
 
8237 / 8257 DMA
8237 / 8257 DMA8237 / 8257 DMA
8237 / 8257 DMA
AJAL A J
 
Difference b/w 8085 & 8086
Difference b/w 8085 & 8086Difference b/w 8085 & 8086
Difference b/w 8085 & 8086
j4jiet
 
1327 Addressing Modes Of 8086
1327 Addressing Modes Of 80861327 Addressing Modes Of 8086
1327 Addressing Modes Of 8086
techbed
 
8259 Programmable Interrupt Controller by vijay
8259 Programmable Interrupt Controller by vijay8259 Programmable Interrupt Controller by vijay
8259 Programmable Interrupt Controller by vijay
Vijay Kumar
 
8051 Presentation
8051 Presentation8051 Presentation
8051 Presentation
Sayan Chakraborty
 
Addressing Modes Of 8086
Addressing Modes Of 8086Addressing Modes Of 8086
Addressing Modes Of 8086
Ikhlas Rahman
 

Viewers also liked (20)

8295
82958295
8295
 
Addressing modes of 8085
Addressing modes of 8085Addressing modes of 8085
Addressing modes of 8085
 
8295
82958295
8295
 
I
II
I
 
Dma and dma controller 8237
Dma and dma controller 8237Dma and dma controller 8237
Dma and dma controller 8237
 
Comparative study of 8085,86,286
Comparative study of 8085,86,286Comparative study of 8085,86,286
Comparative study of 8085,86,286
 
Addressing modes 8085
Addressing modes 8085Addressing modes 8085
Addressing modes 8085
 
8279
8279 8279
8279
 
8085 instruction set and addressing modes
8085 instruction set and addressing modes8085 instruction set and addressing modes
8085 instruction set and addressing modes
 
Addresing mode and timing diagram
Addresing mode and timing diagramAddresing mode and timing diagram
Addresing mode and timing diagram
 
8086 addressing modes
8086 addressing modes8086 addressing modes
8086 addressing modes
 
Addressing mode & data transfer instruction of 8085
Addressing mode & data transfer instruction of 8085Addressing mode & data transfer instruction of 8085
Addressing mode & data transfer instruction of 8085
 
8237 dma controller
8237 dma controller8237 dma controller
8237 dma controller
 
8237 / 8257 DMA
8237 / 8257 DMA8237 / 8257 DMA
8237 / 8257 DMA
 
Difference b/w 8085 & 8086
Difference b/w 8085 & 8086Difference b/w 8085 & 8086
Difference b/w 8085 & 8086
 
1327 Addressing Modes Of 8086
1327 Addressing Modes Of 80861327 Addressing Modes Of 8086
1327 Addressing Modes Of 8086
 
Addressing modes
Addressing modesAddressing modes
Addressing modes
 
8259 Programmable Interrupt Controller by vijay
8259 Programmable Interrupt Controller by vijay8259 Programmable Interrupt Controller by vijay
8259 Programmable Interrupt Controller by vijay
 
8051 Presentation
8051 Presentation8051 Presentation
8051 Presentation
 
Addressing Modes Of 8086
Addressing Modes Of 8086Addressing Modes Of 8086
Addressing Modes Of 8086
 

Similar to Addressing modes-of-8085

Addressing modes-of-8085
Addressing modes-of-8085Addressing modes-of-8085
Addressing modes-of-8085
sudheerkethamreddy
 
ADDRESSING MODES OF 8085
ADDRESSING MODES OF 8085 ADDRESSING MODES OF 8085
ADDRESSING MODES OF 8085
LingalaSowjanya
 
lecture7-7_15936_addressing-modes.ppt
lecture7-7_15936_addressing-modes.pptlecture7-7_15936_addressing-modes.ppt
lecture7-7_15936_addressing-modes.ppt
SwarajKumarPradhan
 
Microprocessor - unit 2-Addressing Modes of 8085
Microprocessor - unit 2-Addressing Modes of 8085Microprocessor - unit 2-Addressing Modes of 8085
Microprocessor - unit 2-Addressing Modes of 8085
solaiappans
 
3. Addressing Modes in 8085 microprocessor.pptx
3. Addressing Modes in 8085 microprocessor.pptx3. Addressing Modes in 8085 microprocessor.pptx
3. Addressing Modes in 8085 microprocessor.pptx
ISMT College
 
instruction format and addressing modes
instruction format and addressing modesinstruction format and addressing modes
instruction format and addressing modes
RamaPrabha24
 
Microprocessor and Microcontroller lec3
Microprocessor and Microcontroller lec3Microprocessor and Microcontroller lec3
Microprocessor and Microcontroller lec3
Ameen San
 
Lecture 10
Lecture 10Lecture 10
Lecture 10
talhashahid40
 
8051 addressing
8051 addressing8051 addressing
8051 addressing
Sharique Mulla
 
microprocessor and microcontroller notes ppt
microprocessor and microcontroller notes pptmicroprocessor and microcontroller notes ppt
microprocessor and microcontroller notes ppt
mananjain543
 
module-3.pptx
module-3.pptxmodule-3.pptx
module-3.pptx
Ambika Naik
 
Addressing mode of 8051
Addressing mode of 8051Addressing mode of 8051
Addressing mode of 8051
Nitin Ahire
 
UNIT-2.pptx
UNIT-2.pptxUNIT-2.pptx
UNIT-2.pptx
Medicaps University
 
3-addressingmodes-181203034235.pptx
3-addressingmodes-181203034235.pptx3-addressingmodes-181203034235.pptx
3-addressingmodes-181203034235.pptx
MdAsaduzzaman257266
 
PPT on Addressing Modes.ppt.pptx
PPT on Addressing Modes.ppt.pptxPPT on Addressing Modes.ppt.pptx
PPT on Addressing Modes.ppt.pptx
Tushar Singhal
 
Memory intrface and addrs modes
Memory intrface and addrs modesMemory intrface and addrs modes
Memory intrface and addrs modesbalbirvirdi
 
computer networking power point final.pptx
computer networking power point final.pptxcomputer networking power point final.pptx
computer networking power point final.pptx
mayurpatil841505
 
Addressing Modes
Addressing ModesAddressing Modes
Addressing Modes
AnkonGopalBanik
 
Addressing Modes
Addressing ModesAddressing Modes
Addressing Modes
Mayank Garg
 

Similar to Addressing modes-of-8085 (20)

Addressing modes-of-8085
Addressing modes-of-8085Addressing modes-of-8085
Addressing modes-of-8085
 
ADDRESSING MODES OF 8085
ADDRESSING MODES OF 8085 ADDRESSING MODES OF 8085
ADDRESSING MODES OF 8085
 
lecture7-7_15936_addressing-modes.ppt
lecture7-7_15936_addressing-modes.pptlecture7-7_15936_addressing-modes.ppt
lecture7-7_15936_addressing-modes.ppt
 
Microprocessor - unit 2-Addressing Modes of 8085
Microprocessor - unit 2-Addressing Modes of 8085Microprocessor - unit 2-Addressing Modes of 8085
Microprocessor - unit 2-Addressing Modes of 8085
 
3. Addressing Modes in 8085 microprocessor.pptx
3. Addressing Modes in 8085 microprocessor.pptx3. Addressing Modes in 8085 microprocessor.pptx
3. Addressing Modes in 8085 microprocessor.pptx
 
instruction format and addressing modes
instruction format and addressing modesinstruction format and addressing modes
instruction format and addressing modes
 
Microprocessor and Microcontroller lec3
Microprocessor and Microcontroller lec3Microprocessor and Microcontroller lec3
Microprocessor and Microcontroller lec3
 
Lecture 10
Lecture 10Lecture 10
Lecture 10
 
8051 addressing
8051 addressing8051 addressing
8051 addressing
 
addressingmodes8051.ppt
addressingmodes8051.pptaddressingmodes8051.ppt
addressingmodes8051.ppt
 
microprocessor and microcontroller notes ppt
microprocessor and microcontroller notes pptmicroprocessor and microcontroller notes ppt
microprocessor and microcontroller notes ppt
 
module-3.pptx
module-3.pptxmodule-3.pptx
module-3.pptx
 
Addressing mode of 8051
Addressing mode of 8051Addressing mode of 8051
Addressing mode of 8051
 
UNIT-2.pptx
UNIT-2.pptxUNIT-2.pptx
UNIT-2.pptx
 
3-addressingmodes-181203034235.pptx
3-addressingmodes-181203034235.pptx3-addressingmodes-181203034235.pptx
3-addressingmodes-181203034235.pptx
 
PPT on Addressing Modes.ppt.pptx
PPT on Addressing Modes.ppt.pptxPPT on Addressing Modes.ppt.pptx
PPT on Addressing Modes.ppt.pptx
 
Memory intrface and addrs modes
Memory intrface and addrs modesMemory intrface and addrs modes
Memory intrface and addrs modes
 
computer networking power point final.pptx
computer networking power point final.pptxcomputer networking power point final.pptx
computer networking power point final.pptx
 
Addressing Modes
Addressing ModesAddressing Modes
Addressing Modes
 
Addressing Modes
Addressing ModesAddressing Modes
Addressing Modes
 

More from jemimajerome

8086 microprocessor-architecture-120207111857-phpapp01
8086 microprocessor-architecture-120207111857-phpapp018086 microprocessor-architecture-120207111857-phpapp01
8086 microprocessor-architecture-120207111857-phpapp01jemimajerome
 
8086 instruction set
8086 instruction set8086 instruction set
8086 instruction setjemimajerome
 
8085 microprocessor ramesh gaonkar
8085 microprocessor   ramesh gaonkar8085 microprocessor   ramesh gaonkar
8085 microprocessor ramesh gaonkarjemimajerome
 

More from jemimajerome (11)

8279nptel
8279nptel 8279nptel
8279nptel
 
8279 d
8279 d8279 d
8279 d
 
8279 d
8279 d8279 d
8279 d
 
8279 d
8279 d8279 d
8279 d
 
8259
8259 8259
8259
 
8259 updated
8259 updated 8259 updated
8259 updated
 
8253,8254
8253,8254 8253,8254
8253,8254
 
8086 microprocessor-architecture-120207111857-phpapp01
8086 microprocessor-architecture-120207111857-phpapp018086 microprocessor-architecture-120207111857-phpapp01
8086 microprocessor-architecture-120207111857-phpapp01
 
8086
80868086
8086
 
8086 instruction set
8086 instruction set8086 instruction set
8086 instruction set
 
8085 microprocessor ramesh gaonkar
8085 microprocessor   ramesh gaonkar8085 microprocessor   ramesh gaonkar
8085 microprocessor ramesh gaonkar
 

Recently uploaded

LIGA(E)11111111111111111111111111111111111111111.ppt
LIGA(E)11111111111111111111111111111111111111111.pptLIGA(E)11111111111111111111111111111111111111111.ppt
LIGA(E)11111111111111111111111111111111111111111.ppt
ssuser9bd3ba
 
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdf
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdfHybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdf
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdf
fxintegritypublishin
 
road safety engineering r s e unit 3.pdf
road safety engineering  r s e unit 3.pdfroad safety engineering  r s e unit 3.pdf
road safety engineering r s e unit 3.pdf
VENKATESHvenky89705
 
Standard Reomte Control Interface - Neometrix
Standard Reomte Control Interface - NeometrixStandard Reomte Control Interface - Neometrix
Standard Reomte Control Interface - Neometrix
Neometrix_Engineering_Pvt_Ltd
 
Planning Of Procurement o different goods and services
Planning Of Procurement o different goods and servicesPlanning Of Procurement o different goods and services
Planning Of Procurement o different goods and services
JoytuBarua2
 
Automobile Management System Project Report.pdf
Automobile Management System Project Report.pdfAutomobile Management System Project Report.pdf
Automobile Management System Project Report.pdf
Kamal Acharya
 
一比一原版(SFU毕业证)西蒙菲莎大学毕业证成绩单如何办理
一比一原版(SFU毕业证)西蒙菲莎大学毕业证成绩单如何办理一比一原版(SFU毕业证)西蒙菲莎大学毕业证成绩单如何办理
一比一原版(SFU毕业证)西蒙菲莎大学毕业证成绩单如何办理
bakpo1
 
Quality defects in TMT Bars, Possible causes and Potential Solutions.
Quality defects in TMT Bars, Possible causes and Potential Solutions.Quality defects in TMT Bars, Possible causes and Potential Solutions.
Quality defects in TMT Bars, Possible causes and Potential Solutions.
PrashantGoswami42
 
The Benefits and Techniques of Trenchless Pipe Repair.pdf
The Benefits and Techniques of Trenchless Pipe Repair.pdfThe Benefits and Techniques of Trenchless Pipe Repair.pdf
The Benefits and Techniques of Trenchless Pipe Repair.pdf
Pipe Restoration Solutions
 
Forklift Classes Overview by Intella Parts
Forklift Classes Overview by Intella PartsForklift Classes Overview by Intella Parts
Forklift Classes Overview by Intella Parts
Intella Parts
 
Water Industry Process Automation and Control Monthly - May 2024.pdf
Water Industry Process Automation and Control Monthly - May 2024.pdfWater Industry Process Automation and Control Monthly - May 2024.pdf
Water Industry Process Automation and Control Monthly - May 2024.pdf
Water Industry Process Automation & Control
 
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...
Amil Baba Dawood bangali
 
Railway Signalling Principles Edition 3.pdf
Railway Signalling Principles Edition 3.pdfRailway Signalling Principles Edition 3.pdf
Railway Signalling Principles Edition 3.pdf
TeeVichai
 
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...
Dr.Costas Sachpazis
 
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)
MdTanvirMahtab2
 
Cosmetic shop management system project report.pdf
Cosmetic shop management system project report.pdfCosmetic shop management system project report.pdf
Cosmetic shop management system project report.pdf
Kamal Acharya
 
WATER CRISIS and its solutions-pptx 1234
WATER CRISIS and its solutions-pptx 1234WATER CRISIS and its solutions-pptx 1234
WATER CRISIS and its solutions-pptx 1234
AafreenAbuthahir2
 
Pile Foundation by Venkatesh Taduvai (Sub Geotechnical Engineering II)-conver...
Pile Foundation by Venkatesh Taduvai (Sub Geotechnical Engineering II)-conver...Pile Foundation by Venkatesh Taduvai (Sub Geotechnical Engineering II)-conver...
Pile Foundation by Venkatesh Taduvai (Sub Geotechnical Engineering II)-conver...
AJAYKUMARPUND1
 
在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样
在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样
在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样
obonagu
 
COLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdf
COLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdfCOLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdf
COLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdf
Kamal Acharya
 

Recently uploaded (20)

LIGA(E)11111111111111111111111111111111111111111.ppt
LIGA(E)11111111111111111111111111111111111111111.pptLIGA(E)11111111111111111111111111111111111111111.ppt
LIGA(E)11111111111111111111111111111111111111111.ppt
 
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdf
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdfHybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdf
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdf
 
road safety engineering r s e unit 3.pdf
road safety engineering  r s e unit 3.pdfroad safety engineering  r s e unit 3.pdf
road safety engineering r s e unit 3.pdf
 
Standard Reomte Control Interface - Neometrix
Standard Reomte Control Interface - NeometrixStandard Reomte Control Interface - Neometrix
Standard Reomte Control Interface - Neometrix
 
Planning Of Procurement o different goods and services
Planning Of Procurement o different goods and servicesPlanning Of Procurement o different goods and services
Planning Of Procurement o different goods and services
 
Automobile Management System Project Report.pdf
Automobile Management System Project Report.pdfAutomobile Management System Project Report.pdf
Automobile Management System Project Report.pdf
 
一比一原版(SFU毕业证)西蒙菲莎大学毕业证成绩单如何办理
一比一原版(SFU毕业证)西蒙菲莎大学毕业证成绩单如何办理一比一原版(SFU毕业证)西蒙菲莎大学毕业证成绩单如何办理
一比一原版(SFU毕业证)西蒙菲莎大学毕业证成绩单如何办理
 
Quality defects in TMT Bars, Possible causes and Potential Solutions.
Quality defects in TMT Bars, Possible causes and Potential Solutions.Quality defects in TMT Bars, Possible causes and Potential Solutions.
Quality defects in TMT Bars, Possible causes and Potential Solutions.
 
The Benefits and Techniques of Trenchless Pipe Repair.pdf
The Benefits and Techniques of Trenchless Pipe Repair.pdfThe Benefits and Techniques of Trenchless Pipe Repair.pdf
The Benefits and Techniques of Trenchless Pipe Repair.pdf
 
Forklift Classes Overview by Intella Parts
Forklift Classes Overview by Intella PartsForklift Classes Overview by Intella Parts
Forklift Classes Overview by Intella Parts
 
Water Industry Process Automation and Control Monthly - May 2024.pdf
Water Industry Process Automation and Control Monthly - May 2024.pdfWater Industry Process Automation and Control Monthly - May 2024.pdf
Water Industry Process Automation and Control Monthly - May 2024.pdf
 
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...
 
Railway Signalling Principles Edition 3.pdf
Railway Signalling Principles Edition 3.pdfRailway Signalling Principles Edition 3.pdf
Railway Signalling Principles Edition 3.pdf
 
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...
 
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)
 
Cosmetic shop management system project report.pdf
Cosmetic shop management system project report.pdfCosmetic shop management system project report.pdf
Cosmetic shop management system project report.pdf
 
WATER CRISIS and its solutions-pptx 1234
WATER CRISIS and its solutions-pptx 1234WATER CRISIS and its solutions-pptx 1234
WATER CRISIS and its solutions-pptx 1234
 
Pile Foundation by Venkatesh Taduvai (Sub Geotechnical Engineering II)-conver...
Pile Foundation by Venkatesh Taduvai (Sub Geotechnical Engineering II)-conver...Pile Foundation by Venkatesh Taduvai (Sub Geotechnical Engineering II)-conver...
Pile Foundation by Venkatesh Taduvai (Sub Geotechnical Engineering II)-conver...
 
在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样
在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样
在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样
 
COLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdf
COLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdfCOLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdf
COLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdf
 

Addressing modes-of-8085

  • 1. ADDRESSING MODES OF 8085 Mr. Gursharan Singh Tatla professorgstatla@gmail.com Gursharan Singh Tatla 1
  • 2. Addressing Modes of 8085  To perform any operation, we have to give the corresponding instructions to the microprocessor.  In each instruction, programmer has to specify 3 things: ◦ Operation to be performed. ◦ Address of source of data. ◦ Address of destination of result. Gursharan Singh Tatla 2
  • 3. Addressing Modes of 8085  The method by which the address of source of data or the address of destination of result is given in the instruction is called Addressing Modes.  The term addressing mode refers to the way in which the operand of the instruction is specified. Gursharan Singh Tatla 3
  • 4. Types of Addressing Modes  Intel 8085 uses the following addressing modes: 1. Direct Addressing Mode 2. Register Addressing Mode 3. Register Indirect Addressing Mode 4. Immediate Addressing Mode 5. Implicit Addressing Mode Gursharan Singh Tatla 4
  • 5. Direct Addressing Mode  In this mode, the address of the operand is given in the instruction itself. LDA 2500 H Load the contents of memory location 2500 H in accumulator.  LDA is the operation.  2500 H is the address of source.  Accumulator is the destination. Gursharan Singh Tatla 5
  • 6. Register Addressing Mode  In this mode, the operand is in general purpose register. MOV A, B Move the contents of register B to  MOV is the operation.  B is the source of data.  A is the destination. Gursharan Singh Tatla 6 A.
  • 7. Register Indirect Addressing Mode  In this mode, the address of operand is specified by a register pair. MOV A, M Move data from memory location specified by H-L pair to accumulator.  MOV is the operation.  M is the memory location specified by H-L register pair.  A is the destination. Gursharan Singh Tatla 7
  • 8. Immediate Addressing Mode  In this mode, the operand is specified within the instruction itself. MVI A, 05 H Move 05 H in accumulator.  MVI is the operation.  05 H is the immediate data (source).  A is the destination. Gursharan Singh Tatla 8
  • 9. Implicit Addressing Mode  If address of source of data as well as address of destination of result is fixed, then there is no need to give any operand along with the instruction. CMA Complement accumulator.  CMA is the operation.  A is the source.  A is the destination. Gursharan Singh Tatla 9