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PIC16C58B-20/SS 数据表(PDF) 44 Page - Microchip Technology |
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PIC16C58B-20/SS 数据表(HTML) 44 Page - Microchip Technology |
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44 / 84 page ![]() PIC16CR54C DS40191A-page 44 Preliminary © 1998 Microchip Technology Inc. MOVF Move f Syntax: [ label ] MOVF f,d Operands: 0 ≤ f ≤ 31 d ∈ [0,1] Operation: (f) → (dest) Status Affected: Z Encoding: 0010 00df ffff Description: The contents of register 'f' is moved to destination 'd'. If 'd' is 0, destination is the W register. If 'd' is 1, the destination is file register 'f'. 'd' is 1 is useful to test a file register since status flag Z is affected. Words: 1 Cycles: 1 Example: MOVF FSR, 0 After Instruction W = value in FSR register MOVLW Move Literal to W Syntax: [ label ] MOVLW k Operands: 0 ≤ k ≤ 255 Operation: k → (W) Status Affected: None Encoding: 1100 kkkk kkkk Description: The eight bit literal 'k' is loaded into the W register. The don’t cares will assem- ble as 0s. Words: 1 Cycles: 1 Example: MOVLW 0x5A After Instruction W = 0x5A MOVWF Move W to f Syntax: [ label ] MOVWF f Operands: 0 ≤ f ≤ 31 Operation: (W) → (f) Status Affected: None Encoding: 0000 001f ffff Description: Move data from the W register to regis- ter 'f' . Words: 1 Cycles: 1 Example: MOVWF TEMP_REG Before Instruction TEMP_REG = 0xFF W = 0x4F After Instruction TEMP_REG = 0x4F W = 0x4F NOP No Operation Syntax: [ label ] NOP Operands: None Operation: No operation Status Affected: None Encoding: 0000 0000 0000 Description: No operation. Words: 1 Cycles: 1 Example: NOP |
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