void TestPin::generateMicrobe( FlowCode *code ) { const QString pin = dataString("pin"); const QString port = "PORT" + QString((QChar)pin[1]); const QString bit = (QChar)pin[2]; handleIfElse( code, port+"."+bit+" is high", port+"."+bit+" is low", "stdoutput", "altoutput" ); #if 0 QString newCode; newCode += "btfss "+port+","+bit+" ; Check if pin is clear\n"; newCode += gotoCode("altoutput") + " ; Pin is low\n"; newCode += gotoCode("stdoutput") + " ; Pin is high, continue on from this point\n"; code->addCodeBlock( id(), newCode ); #endif }
void VarComparison::generateMicrobe( FlowCode *code ) { QString var1 = dataString("0var1"); QString var2 = dataString("2var2"); QString test = dataString("1op"); handleIfElse( code, var1+" "+test+" "+var2, var1+" "+oppOp(test)+" "+var2, "stdoutput", "altoutput" ); #if 0 code->addCode( "if "+var1+" "+test+" "+var2+"\n{\n" ); code->addCodeBranch( outputPart("stdoutput") ); code->addCode("}"); if ( outputPart("altoutput") ) { code->addCode("else\n{"); code->addCodeBranch( outputPart("altoutput") ); code->addCode("}"); } #endif #if 0 QString newCode; if ( FlowCode::isLiteral(var2) ) newCode += "movlw " + var2 + " ; Move literal to register w\n"; else { code->addVariable(var2); newCode += "movf " + var2 + ",0 ; Move " + var2 + " to register w\n"; } if ( FlowCode::isLiteral(var1) ) newCode += "sublw " + var1 + " ; Subtract register w from " + var1 + ", placing result in w\n"; else { code->addVariable(var1); newCode += "subwf " + var1 + ",0 ; Subtract register w from " + var1 + ", placing result in w\n"; } if ( test == "==" ) { // check: works newCode += "btfss STATUS,2 ; Check if zero flag is set\n"; newCode += gotoCode("altoutput") + " ; Result from calculation was non-zero; hence comparison is false\n"; newCode += gotoCode("stdoutput") + " ; Ouput was zero; hence comparison is true, so continue from this point\n"; } else if ( test == "!=" ) { // check: works newCode += "btfsc STATUS,2 ; Check if zero flag is clear\n"; newCode += gotoCode("altoutput") + " ; Result from calculation was zero; hence comparison is false\n"; newCode += gotoCode("stdoutput") + " ; Output was non-zero; hence comparison is true, so continue from this point\n"; } else if ( test == ">=" ) { // check: works newCode += "btfss STATUS,0 ; Check if carry flag is set\n"; newCode += gotoCode("altoutput") + " ; Result from calculation is negative; hence comparison is false\n"; newCode += gotoCode("stdoutput") + " ; Result from calculation is positive or zero; so continue from this point\n"; } else if ( test == ">" ) { // check: works newCode += "btfss STATUS,0 ; Check if carry flag is set\n"; newCode += gotoCode("altoutput") + " ; Result is negative; hence comparison is false\n"; newCode += "btfsc STATUS,2 ; Check if zero flag is set\n"; newCode += gotoCode("altoutput") + " ; Result is zero; hence comparison is false\n"; newCode += gotoCode("stdoutput") + " ; Comparison is true, so continue from this point\n"; } else if ( test == "<" ) { // check: works newCode += "btfsc STATUS,0 ; Check if carry flag is set\n"; newCode += gotoCode("altoutput"); newCode += gotoCode("stdoutput"); } else if ( test == "<=" ) { // check: works newCode += "btfsc STATUS,2 ; Check if result is zero\n"; newCode += gotoCode("stdoutput") + " ; Result is zero; hence comparison is true\n"; newCode += "btfsc STATUS,0 ; Check if carry flag is set\n"; newCode += gotoCode("altoutput") + " ; Result is positive (not zero, has already tested for this); hence comparison is false\n"; newCode += gotoCode("stdoutput") + " ; Result is negative, hence comparison is true\n"; } code->addCodeBlock( id(), newCode ); #endif }