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PIC17C44-08/P Datasheet(PDF) 133 Page - Microchip Technology |
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PIC17C44-08/P Datasheet(HTML) 133 Page - Microchip Technology |
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133 / 240 page ![]() © 1996 Microchip Technology Inc. DS30412C-page 133 PIC17C4X RLNCF Rotate Left f (no carry) Syntax: [ label ] RLNCF f,d Operands: 0 ≤ f ≤ 255 d ∈ [0,1] Operation: f<n> → d<n+1>; f<7> → d<0> Status Affected: None Encoding: 0010 001d ffff ffff Description: The contents of register 'f' are rotated one bit to the left. If 'd' is 0 the result is placed in WREG. 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' Execute Write to destination Example: RLNCF REG, 1 Before Instruction C= 0 REG = 1110 1011 After Instruction C= REG = 1101 0111 register f RRCF Rotate Right f through Carry Syntax: [ label ] RRCF f,d Operands: 0 ≤ f ≤ 255 d ∈ [0,1] Operation: f<n> → d<n-1>; f<0> → C; C → d<7> Status Affected: C Encoding: 0001 100d ffff 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 WREG. 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' Execute Write to destination Example: RRCF REG1,0 Before Instruction REG1 = 1110 0110 C= 0 After Instruction REG1 = 1110 0110 WREG = 0111 0011 C= 0 C register f |
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