Memory controller implemented.

Tests/expected/bankBoundsTest.out

@@ -0,0 +1,4 @@
+Fault: The device on port 233 refused the access at Program Address 0x001D, and nothing is installed to deal with it.
+O
+Execution halted after 16 cycles.
+[exit 1]

Tests/expected/blitTest.out

@@ -0,0 +1,7 @@
+blitted
+....
+DE AD 
+untouched
+ABABCDEFGH
+Execution halted after 464 cycles.
+[exit 0]

Tests/expected/controllerReadTest.out

@@ -0,0 +1,5 @@
+DE AD BE EF 
+01 FF 
+00 00 
+Execution halted after 315 cycles.
+[exit 0]

Tests/expected/controllerWriteTest.out

@@ -0,0 +1,6 @@
+AA BB 
+readonly
+nobank
+done
+Execution halted after 245 cycles.
+[exit 0]

Tests/expected/fenceTest.out

@@ -0,0 +1,8 @@
+outside ok
+caught 0200
+caught 01FC
+read ok
+lowered ok
+fenced 05
+Execution halted after 535 cycles.
+[exit 0]

Tests/expected/loaderTest.out

@@ -0,0 +1,5 @@
+before
+loaded
+back
+Execution halted after 132 cycles.
+[exit 0]

Tests/expected/refusalFaultTest.out

@@ -0,0 +1,4 @@
+Fault: The device on port 17 refused the access at Program Address 0x000A, and nothing is installed to deal with it.
+O
+Execution halted after 6 cycles.
+[exit 1]

Tests/expected/refusalTest.out

@@ -0,0 +1,5 @@
+caught
+caught
+done
+Execution halted after 136 cycles.
+[exit 0]

Tests/expected/registerBankTest.out

@@ -0,0 +1,7 @@
+flags 01
+01 12 01 00 
+5A 5A 
+refused
+refused
+Execution halted after 443 cycles.
+[exit 0]