Question
(i) Calculate the amount of time delay generated by the following ASM program. Assume the crystal frequency of the 8051 as 22 MHz. [5
(i) Calculate the amount of time delay generated by the following ASM program. Assume the crystal frequency of the 8051 as 22 MHz. [5 Marks] LABEL INSTRUCTION DELAY: MOV RO, #5 HERE1: MOV R4, #100 HERE: NOP MOV R7, #248 AGAIN: DJNZ R7, AGAIN DJNZ R4, HERE DJNZ RO, HERE1 RET (ii) Write an 8051 ASM program to show the status of the CY = 1, AC = 0, and P = 0 flags after the addition of 147 and XX. Also, store the result in Bank 1 of R5. [5 Marks]
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