Btfss instruction

 

 

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Now this is where the btfss instruction comes into it. btfss means exactly the same thing as btfsc EXCEPT if the Then all we do is a simple rlf instruction to move the data in PORTB left one space. The instruction operand contains 8-bit immediate data K. - d. Target address selection: d=0, result to W; d=1 BTFSS PORTB,0; Check whether the 0th bit in PORTB port is 1? Yes! Skip next instruction. 3 instructions. One technique for moving one bit from the REGA register to REGB is to perform bit In the first example, the bit in REGA is tested using a BTFSS instruction. If the bit is clear, the BCF Transcribed image text: o Description: Form a loop by using BTFSS instruction to calculate 1+2+4+8+16+32+64 and put the result in WREG. o Standard of grading: We will check whether you Instructions are 14 bits wide and have addresses from 0 to 1023. Program memory holds these 'BTFSS' stands for: 'test the bit designated and skip the next instruction if the bit is 1, (set). Coding: BTFSS 3,0 DECF fr,1 Note: The TechTools assemblers define a bit as port.bitposition, as in the following examples: RA.3 = bit 3 of port APortB.0 = bit 0 of port B Note: This instruction only works The PIC Instruction Set, Assembly Keywords, and Mnemonics are Copyrighted by Microchip Technology Figure 4-1 A Simple Security System. The general format for the "BTFSS" instruction is btfss progflags, dataerr ; has the command receive code detected. goto NoDataError ; a framing type data goto EnqueueNEWLINE. Do_TP: btfss progflags, playing ; if playing skip next instruction.

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