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(Solved): Problem 2. 9pts) We Continue The Discussion Of The Hypothetical Machine Of Pages 6 And 7 And Enhance...


Problem 2. 9pts) We continue the discussion of the hypothetical machine of pages 6 and 7 and enhance the instruction set of FFetch stage Execute stage 300 300 301 301 302 302 940 941 940 941 942 942 0000 300 301 300 301 302 302 940 940 941 941 942 30

Problem 2. 9pts) We continue the discussion of the hypothetical machine of pages 6 and 7 and enhance the instruction set of Figure 1.3. Opcodes below are in binary. 0001 LOAD AC from Memory : 12-bit address specifies mem location 0010 STORE AC to Memory : 12-bit address specifies mem location 0101 ADD AC from Memory : 12-bit address specifies mem location 0011 LOAD AC from I/O device : 12-bit address specifies a device number 0111 STORE AC to 1/0 device : 12-bit address specifies a device number [From Figure 1.3] [From Figure 1.3] [From Figure 1.3] Show the program execution (using the layout of Figure 1.4) for the three step program shown. This also means identifying and describing the instructions in hexadecimal and in the appropriate memory location. All memory locations per book are in hex and 2B long (16bit). Step 1. Load AC from device 3 (denary). (The value available in device 3 for loading is a Ox07.) Step 2. Add into AC the contents of memory location 942. Step 3. Store AC to device 10 (denary). Fetch stage Execute stage 300 300 301 301 302 302 940 941 940 941 942 942 0000 300 301 300 301 302 302 940 940 941 941 942 300 301 302 940 941


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