STEP Btn

driver_step.py

@@ -0,0 +1,77 @@
+import linecache
+import sys
+
+from converttomachinecode1 import *
+from decode1 import *
+from error_handling import *
+from execute0 import *
+from fetch0 import *
+from memoryaccess1 import *
+from registerupdate1 import *
+
+
+def myFunc():
+    assign_labelled_instruction()
+    globalss.assign_register()
+    a = error_handling()
+    if a == 1:
+        print('not passed')
+        sys.exit()
+    print('passed')
+    convert_to_machinecode()
+    globalss.assign_memory()
+    globalss.assign_stack()
+
+    file2 = open('machinecode.txt', 'r')
+    i = 1
+    each = str(linecache.getline('machinecode.txt', i))  # Execution will be done now
+    while each != '':
+        print((each))
+        global reg
+        each = each.split()
+        PC_Seq.append(globalss.PC_execution)  # new
+        if (len(each) == 1):
+            reg_step.append(register.tolist())  # new
+            memory_step.append(memory_array.tolist())  # new
+            globalss.PC_execution = globalss.PC_execution + 4
+            i = int(globalss.PC_execution / 4) + 1
+            each = (linecache.getline('machinecode.txt', i))
+            continue
+        lii = fetch(each)
+
+        reg = decode(lii)
+        reg = determine_exact_instruction(lii,
+                                          reg)  # now exact instruction name will be appended #reg[rd,rs1,rs2,imm,type,oriname]
+
+        reg = execute(reg)
+        reg = memoryaccess(reg)  # a new value has been appended. We will use this value in regsiter update
+        # reg[rd,rs1,rs2,imm,type,oriname,execute_result,memoryaccessreult]
+        registerupdate(reg)
+
+        print(reg)
+        i = int(globalss.PC_execution / 4) + 1
+        print(i)
+        each = (linecache.getline('machinecode.txt', i))
+        reg.clear()
+        # print("Current register")
+        # print(globalss.register)
+        # print("Current memory")
+        # print(globalss.memory_array)
+
+        reg_step.append(register.tolist())  # new
+        memory_step.append(memory_array.tolist())  # new
+        # globalss.reg_step.append(globalss.register)
+        # globalss.memory_step.append(globalss.memory_array)
+        globalss.register[0] = 0
+    file2.close()
+    print(globalss.memory_array)
+    print("$$$$$$$$$$$$$")
+    print(PC_Seq)
+    print(register)
+    print("^^^^^^")
+    print(reg_step)
+    # print(memory_step)
+
+
+if __name__ == '__main__':
+    myFunc()