Update run_emulator.py

run_emulator.py

@@ -3,58 +3,21 @@
 
 if len(sys.argv) != 2:
   print 'Usage: python run_emulator.py <filename>'
-  print '<filename> be in "test" directory'
+  print '<filename> be in "./test" directory'
   exit(1)
 
 filename = sys.argv[1]
 
-mem_min = 0
-mem_max = 255
-
-#################### YOU SHOULD ONLY HAVE TO MODIFY THESE ################
-
-# First register is the accumulator
-# regs is the list of registers
-# data_mem is the dictionary of memory address to data
-# mem_min is the minimum memory range to print (inclusive) [optional]
-# mem_max is the maximum memory range to print (inclusive) [optional]
-
-
-if filename == 'test/float2int.txt':
-  regs = ['R0', 'I1', 'I2', 'I3', 'I4', 'T1', 'T2', 'M1', 'M2', 'C1', 'C2', 'MSB', 'LSB', 'MOUT', 'LOUT', 'TMP']
-  data_mem = {64: 0b11100000, 65: 0b11000001}
-  mem_min = 66
-  mem_max = 67
-
-elif filename == 'test/int2float.txt':
-  regs = ['R0', 'R1', 'R2', 'R3', 'R4', 'T', 'T1', 'T2', 'T3']
-  integer = 4097
-  integer = bin(integer)[2:].zfill(16)
-  int1, int2 = int(integer[:-8], 2), int(integer[-8:], 2)
-  print int1, int2
-  data_mem = {0: int1, 1: int2}
-  mem_min = 5
-  mem_max = 6
-
-elif filename == 'test/floatplusfloat.py':
-  regs = ['R0', 'R1', 'R2', 'R3', 'R4', 'R5', 'R6', 'R7', 'R8', 'R9', 'R10',
-  'R11', 'R12', 'R13', 'R14', 'R15']
-  data_mem = {128: 0b00111110, 129: 0b10010110, 130: 0b00111000, 131: 0b00010011}
-  mem_min = 132
-  mem_max = 133
-
-elif filename == 'test/test.txt':
-  regs = ['R0', 'R1']
-  data_mem = {0: 0}
-  mem_min = 0
-  mem_max = 0
-
-else:
-  print 'Exiting: Undefined File'
-  exit(1)
-
-
+# First register is reserved for the accumulator;
+# 'regs' is the list of registers;
+# 'data_mem' is the dictionary of memory address to data;
+# 'mem_min' is the minimum memory range to print (inclusive) [optional] after running the input files;
+# 'mem_max' is the maximum memory range to print (inclusive) [optional] after running the input files.
 
+regs = ['R0']  # Modify usage of registers here; 'R0' is always included as the accumulator.
+data_mem = {}  # A map from memory indices to specific values for that byte (in binary).
+mem_min = 0
+mem_max = 255  # The default memory size is 256 bytes.
 
 ###########################################################################
 
@@ -65,6 +28,7 @@
 for i in range(0, len(regs)):
   m[regs[i]] = i
 
+# Specify the original main memory.
 for i in data_mem:
   e.insert_data_mem(i, data_mem[i])
 
@@ -74,7 +38,7 @@
 e.load_program(filename)
 print '------------------ Machine Code -----------------'
 e.print_machine_code('float_add_machine_code_final.txt')
-print '------------------ Lookup Table -----------------'
+print '----------Lookup Table (for branching)-----------'
 e.print_lookup_table('float_add_lookup_table_final.txt')
-print '------------------ Emulator ---------------------'
+print '--------------- Emulator Running-----------------'
 e.run_program()