The 8051 Microcontroller and Embedded Systems, Volume 1
For courses teaching the 8051 Microcontoller.
This book uses a step-by-step approach to teach the fundamentals of assembly language programming and interfacing of the 8051 microcontroller. It uses many examples to clarify concepts. Simple, concise examples are utilized to show what action each instruction performs, then a sample is provided to show its application. This text provides a comprehensive understanding of the internal organization of the 8051 registers and resources in a way that sheds the student's fear of assembly language. Whether students become designers of stand-alone systems or complex embedded systems, they will find this text a useful resource.
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Muhammad Ali Mazidi, Janice Gillispie Mazidi. pointers , that is , when they hold the addresses of RAM locations , they must be preceded by the ... Now R0 = 41H i copy A to RAM location RO points to ; increment pointer .
R1 = 60H ; load counter , R7 = 16 ( 10 in hex ) , ; clear RAM location R1 points to ; increment R1 pointer ; loop until counter INC DJNZ zero An example of how to use both RO and R1 in the register indirect addressing mode in a block ...
Solution : ; ( a ) This method uses a counter ORG 0000 MOV DPTR , #MYDATA ; LOAD ROM POINTER MOV RO , # 40H ; LOAD RAM POINTER MOV R2 , # 7 ; LOAD COUNTER BACK : CLR A ; A = 0 MOVC A , A + DPTR ; MOVE DATA FROM CODE SPACE MOV ...
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The 8051 Microcontrollers
8051 ASSEMBLY LANGUAGE PROGRAMMING
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