Restructured Amaranth code to be able to import sibling modules

re-bba/ReBba/TestBenches/SimHelpers/ExiSimHelper.py

@@ -0,0 +1,30 @@
+from typing import Callable
+from ReBba.Components.ExiClock import ClockState
+from amaranth import Const, Elaboratable, Signal
+
+def empty():
+    yield None
+
+def exiClockCycle(exiClock: Signal, AfterHigh: Callable = empty, AfterFalling: Callable = empty, AfterLow: Callable = empty, AfterRising: Callable = empty):
+    yield exiClock.eq(ClockState.HIGH)
+    yield
+    yield from AfterHigh()
+    yield
+
+    yield exiClock.eq(ClockState.FALLING)
+    yield from AfterFalling()
+
+    yield exiClock.eq(ClockState.LOW)
+    yield
+    yield from AfterLow()
+    yield
+
+    yield exiClock.eq(ClockState.RISING)
+    yield from AfterRising()
+
+def resetDut(rst: Signal):
+    yield
+    yield rst.eq(Const(1))
+    yield
+    yield rst.eq(Const(0))
+    yield