cavaler / modrssim2 Goto Github PK

             case MOD_WRITE_MULTIPLE_COILS  :
                // unpack into the SIM memory on WORD of sim memory for every BIT in the data 
                //WORD numBytes;

                 numBytesInReq = modMsg.**byteCount**/8; // byteCount == bit count
                 if (modMsg.**byteCount**%8)  // if we overflow a byte
                    numBytesInReq++;

                 {
                 CString deb;
                    deb.Format("Write multiple outputs coils from %d for %d bits.\n", modMsg.address, modMsg.**byteCount**);
                    OutputDebugString(deb);
                    SockDataMessage(deb);
					if (m_CommsDecodeShow) CRS232Port::WriteToFile(deb);  // Added statement on 2016-12-26 by DL to save to Log file
                 }
                 numRegs = numBytesInReq * 8;   // repaint X bits // 2015-01-19 Multiplied by 8 to get total BITS by DL

                 for (i=0;i<numBytesInReq;i++)
                 {
                 WORD bitOffset;
                    for (bitOffset=0;bitOffset<8;bitOffset++)
                    {
                       if ((i*8)+bitOffset < modMsg.**byteCount**)  // Changed <= to only < by DL on 2018-11-27
                       {
                          if (*(BYTE*)modMsg.dataPtr & (0x01<<bitOffset))
                             PLCMemory.SetAt(requestMemArea, seperationOffset + modMsg.address+(i*8)+bitOffset, 1);
                          else
                             PLCMemory.SetAt(requestMemArea, seperationOffset + modMsg.address+(i*8)+bitOffset, 0);
                       }
                    }
                    modMsg.dataPtr++;
                 }
                 break;