All questions are in reference to PIC18F45K20 & Gaonkar Textbook 1. The W register holds a packed BCD number 68H. Write instructions to mask high-order four bits , preserve the logic levels of bits , and save the result in data register REG1 with the address 0x01. a. Draw flowchart. b. Convert the flowchart to PIC18F assembly language program starting at address Ox100. All questions are in reference to PIC18F45K20 & Gaonkar Textbook 1. The W register holds a packed BCD number 68H. Write instructions to mask high-order four bits , preserve the logic levels of bits , and save the result in data register REG1 with the address 0x01. a. Draw flowchart. b. Convert the flowchart to PIC18F assembly language program starting at address Ox100