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Write a program to add and subtract two 32 bit numbers in 8085 microprocessor?
Wiki User
∙ 11y ago
;Write a program to add two 32-bit numbers stored in RAM locations. ;Let's assume that the numbers are stored at RAM location 40-43H and 50-53H respectively. ORG 0H MOV 40H, #23 MOV 41H, #15 MOV 42H, #60 MOV 43H, #70 MOV 50H, #30 MOV 51H, #40 MOV 52H, #63 MOV 53H, #77 MOV R0, #40H ;pointer of bank 0 MOV R1, #60H ;result storage bank 0 MOV R2, #4 ;counter SETB RS0 MOV R1, #50H ;pointer bank 1 CLR RS0 CLR C REPEAT: MOV A, @R0 SETB RS0 ADDC A, @R1 INC R1 CLR RS0 MOV @R1, A INC R0 INC R1 DJNZ R2, REPEAT JNC EXIT INC @R1 EXIT: NOP SJMP $ END
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∙ 11y ago
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