1 files changed, 17 insertions, 24 deletions
diff --git a/test.py b/test.py
index 987535f..9934f7a 100755
--- a/test.py
+++ b/test.py
@@ -2,28 +2,21 @@
 from riscv import format_u, format_i, format_s, format_j
 from subx import format_instr
 
-def neg(val, bits):
-  """compute the 2's complement of int value val"""
-  # if (val & (1 << (bits - 1))) != 0: # if sign bit is set e.g., 8bit: 128-255
-  val = val - (1 << bits)        # compute negative value
-  return -val         
-
 if __name__ == "__main__":
-  t0 = 0x5
-  t1 = 0x6
-  print("== code 0x80000000")
-  print(format_instr(format_u(0x37, t0, 0x10010), "lui t0, 0x10010"))
-  print(format_instr(format_i(0x13, t1, 0, 72, 0x0), "addi t1, x0, 72"))
-  print(format_instr(format_s(0x23, t0, t1, 0, 0x2), "sw t1, 0(t0)"))
-  print(format_instr(format_i(0x13, t1, 0, 101, 0x0), "addi t1, x0, 101"))
-  print(format_instr(format_s(0x23, t0, t1, 0, 0x2), "sw t1, 0(t0)"))
-  print(format_instr(format_i(0x13, t1, 0, 108, 0x0), "addi t1, x0, 108"))
-  print(format_instr(format_s(0x23, t0, t1, 0, 0x2), "sw t1, 0(t0)"))
-  print(format_instr(format_i(0x13, t1, 0, 108, 0x0), "addi t1, x0, 108"))
-  print(format_instr(format_s(0x23, t0, t1, 0, 0x2), "sw t1, 0(t0)"))
-  print(format_instr(format_i(0x13, t1, 0, 111, 0x0), "addi t1, x0, 111"))
-  print(format_instr(format_s(0x23, t0, t1, 0, 0x2), "sw t1, 0(t0)"))
-  print(format_instr(format_i(0x13, t1, 0, 10, 0x0), "addi t1, x0, 10"))
-  print(format_instr(format_s(0x23, t0, t1, 0, 0x2), "sw t1, 0(t0)"))
-  print(format_instr(format_j(0x6f, 0, neg(26, 20)), "jal x0, -26"))
-
+    t0 = 0x5
+    t1 = 0x6
+    print("== code 0x80000000")
+    print(format_instr(format_u(0x37, t0, 0x10010), "lui t0, 0x10010"))
+    print(format_instr(format_i(0x13, t1, 0, 72, 0x0), "addi t1, x0, 72"))
+    print(format_instr(format_s(0x23, t0, t1, 0, 0x2), "sw t1, 0(t0)"))
+    print(format_instr(format_i(0x13, t1, 0, 101, 0x0), "addi t1, x0, 101"))
+    print(format_instr(format_s(0x23, t0, t1, 0, 0x2), "sw t1, 0(t0)"))
+    print(format_instr(format_i(0x13, t1, 0, 108, 0x0), "addi t1, x0, 108"))
+    print(format_instr(format_s(0x23, t0, t1, 0, 0x2), "sw t1, 0(t0)"))
+    print(format_instr(format_i(0x13, t1, 0, 108, 0x0), "addi t1, x0, 108"))
+    print(format_instr(format_s(0x23, t0, t1, 0, 0x2), "sw t1, 0(t0)"))
+    print(format_instr(format_i(0x13, t1, 0, 111, 0x0), "addi t1, x0, 111"))
+    print(format_instr(format_s(0x23, t0, t1, 0, 0x2), "sw t1, 0(t0)"))
+    print(format_instr(format_i(0x13, t1, 0, 10, 0x0), "addi t1, x0, 10"))
+    print(format_instr(format_s(0x23, t0, t1, 0, 0x2), "sw t1, 0(t0)"))
+    print(format_instr(format_j(0x6f, 0, -26), "jal x0, -26"))