Lab for CSE 332

Post date: Feb 18, 2017 11:51:05 AM

Bring with you the followings into Computer lab this week.

1. The 16 bit ISA design (individually). This is the

document that you submitted as part of your homework (Q.5)

2. The register file that you made last time in the lab using logisim.

3. The Home work part if you have done it. Homework is explained in details here.

Homework : In the class we used 4 registers with 8 bit data and used two MUX

for reading data from the registers (R0, R1, R2, R3). The 2 bit MUX selectors were

labeled as rs and rt.

Now we like to write a data in any of the 4 registers(R0, R1, R2, R3). For this we

need another combination logic in between data to write and registers. With this

logic a 8 bit data can be stored in any of those 4 registers based on 2 bit user selection.

Example if the data is 10101010 and user like to store in 00 address, it should

overwrite R0 register with 10101010 and other registers should remain same.