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PIC18F010 Datasheet(PDF) 103 Page - Microchip Technology |
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PIC18F010 Datasheet(HTML) 103 Page - Microchip Technology |
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103 / 176 page ![]() 2001 Microchip Technology Inc. Preliminary DS41142A-page 101 PIC18F010/020 13.1 Instruction Set ADDLW ADD literal to WREG Syntax: [ label ] ADDLW k Operands: 0 ≤ k ≤ 255 Operation: (WREG) + k → WREG Status Affected: N,OV, C, DC, Z Encoding: 0000 1111 kkkk kkkk Description: The contents of WREG are added to the 8-bit literal ’k’ and the result is placed in WREG. Words: 1 Cycles: 1 Q Cycle Activity: Q1 Q2 Q3 Q4 Decode Read literal ’k’ Process Data Write to WREG Example: ADDLW 0x15 Before Instruction WREG = 0x10 N= ? OV = ? C= ? DC = ? Z= ? After Instruction WREG = 0x25 N= 0 OV = 0 C= 0 DC = 0 Z= 0 ADDWF ADD WREG to f Syntax: [ label ] ADDWF f [,d] [,a] Operands: 0 ≤ f ≤ 255 d ∈ [0,1] a ∈ [0,1] Operation: (WREG) + (f) → dest Status Affected: N,OV, C, DC, Z Encoding: 0010 01da ffff ffff Description: Add WREG to register ’f’. If ’d’ is 0, the result is stored in WREG. If ’d’ is 1, the result is stored back in reg- ister 'f' (default). If ’a’ is 0, the Access Bank will be selected. If ’a’ is 1, the Bank will be selected as per the BSR value. Words: 1 Cycles: 1 Q Cycle Activity: Q1 Q2 Q3 Q4 Decode Read register ’f’ Process Data Write to destination Example: ADDWF REG, W Before Instruction WREG = 0x17 REG = 0xC2 N= ? OV = ? C= ? DC = ? Z= ? After Instruction WREG = 0xD9 REG = 0xC2 N= 1 OV = 0 C= 0 DC = 0 Z= 0 |
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