LOGISM 1. Open up your 1-bit adder file from the last time 2. Create a new circuit called 1-bit adder (Project -> Add Circuit) (This should add it to the column on the left) 3. From your main circuit, click and drag over all your circuitry and copy it using ctrl+c 4. Open your 1-bit adder and paste the circuitry over 5. Create a new circuit called 4-bit adder (Project -> Add Circuit) 6. Open up the 4-bit adder and drag and drop four of your 1-bit adders from the column on the left to the inside of your 4-bit adder 7. Instead of creating four individual inputs, let's use a pin (Wiring -> Pin) and drop it in. Set its Data Bits to 4 8. Drag a splitter from the column on the left into your 4-bit adder. 9. Set the bit width in and fan out to 4 each on your splitter (Can be found by clicking on the splitter and looking in the bottom left of the screen) 10. Wire your 4-bit pin into the Splitter and plug the wires coming out of the Splitter into each of your adders 11. Feed the Carry-Out of each adder into the Carry-In of the next in the chain 12. Using another splitter, combine your answer back together, and output to another 4-bit pin (HINT: If you're having trouble with this pin not behaving properly, check on the left and make sure that it is set as an Output) I did up to 10 in the 4 bit adder image. I am struggling with questions 11-12. Please correct me if it doesn't look right so far. 1 bit adder
LOGISM
1. Open up your 1-bit adder file from the last time
2. Create a new circuit called 1-bit adder (Project -> Add Circuit) (This should add it to the column on the left)
3. From your main circuit, click and drag over all your circuitry and copy it using ctrl+c
4. Open your 1-bit adder and paste the circuitry over
5. Create a new circuit called 4-bit adder (Project -> Add Circuit)
6. Open up the 4-bit adder and drag and drop four of your 1-bit adders from the column on the left to the inside of your 4-bit adder
7. Instead of creating four individual inputs, let's use a pin (Wiring -> Pin) and drop it in. Set its Data Bits to 4
8. Drag a splitter from the column on the left into your 4-bit adder.
9. Set the bit width in and fan out to 4 each on your splitter (Can be found by clicking on the splitter and looking in the bottom left of the screen)
10. Wire your 4-bit pin into the Splitter and plug the wires coming out of the Splitter into each of your adders
11. Feed the Carry-Out of each adder into the Carry-In of the next in the chain
12. Using another splitter, combine your answer back together, and output to another 4-bit pin (HINT: If you're having trouble with this pin not behaving properly, check on the left and make sure that it is set as an Output)
I did up to 10 in the 4 bit adder image. I am struggling with questions 11-12. Please correct me if it doesn't look right so far.
1 bit adder
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