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PIC16F84A Datasheet(PDF) 65 Page - Microchip Technology |
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PIC16F84A Datasheet(HTML) 65 Page - Microchip Technology |
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65 / 124 page  PIC16F8X © 1998 Microchip Technology Inc. DS30430C-page 65 RLF Rotate Left f through Carry Syntax: [ label ] RLF f,d Operands: 0 ≤ f ≤ 127 d ∈ [0,1] Operation: See description below Status Affected: C Encoding: 00 1101 dfff ffff Description: The contents of register 'f' are rotated one bit to the left through the Carry Flag. If 'd' is 0 the result is placed in the W register. If 'd' is 1 the result is stored back in register 'f'. Words: 1 Cycles: 1 Q Cycle Activity: Q1 Q2 Q3 Q4 Decode Read register 'f' Process data Write to destination Example RLF REG1,0 Before Instruction REG1 = 1110 0110 C = 0 After Instruction REG1 = 1110 0110 W = 1100 1100 C = 1 Register f C RRF Rotate Right f through Carry Syntax: [ label ] RRF f,d Operands: 0 ≤ f ≤ 127 d ∈ [0,1] Operation: See description below Status Affected: C Encoding: 00 1100 dfff ffff Description: The contents of register 'f' are rotated one bit to the right through the Carry Flag. If 'd' is 0 the result is placed in the W register. If 'd' is 1 the result is placed back in register 'f'. Words: 1 Cycles: 1 Q Cycle Activity: Q1 Q2 Q3 Q4 Decode Read register 'f' Process data Write to destination Example RRF REG1,0 Before Instruction REG1 = 1110 0110 C = 0 After Instruction REG1 = 1110 0110 W = 0111 0011 C = 0 Register f C |
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