Add tests for break, cont, and halt instructions.

assembler/test/.gitignore

@@ -13,6 +13,9 @@ if
 iff
 while
 else
+break
+cont
+halt
 wait
 endif
 immediate

assembler/test/Makefile.am

@@ -15,6 +15,9 @@ TESTS = \
 	iff \
 	while \
 	else \
+	break \
+	cont \
+	halt \
 	wait \
 	endif \
 	immediate
@@ -52,6 +55,12 @@ TESTDATA = \
 	while.g4a \
 	else.expected \
 	else.g4a \
+	break.expected \
+	break.g4a \
+	cont.expected \
+	cont.g4a \
+	halt.expected \
+	halt.g4a \
 	wait.expected \
 	wait.g4a \
 	endif.expected \

assembler/test/break.expected

@@ -0,0 +1 @@
+   { 0x00000028, 0x34001c00, 0x00011400, 0x00010002 },

assembler/test/break.g4a

@@ -0,0 +1,6 @@
+/* The break instruction syntax, which is currently just what was in the BNF,
+ * is bad.  It really needs 2 arguments -- pop count (19:16, how many
+ * loops to break out of), and the IP count (15:0).  For now, this argument
+ * should cover 1 loop, and jumping 2 instructions.
+ */
+break 65538;

assembler/test/cont.expected

@@ -0,0 +1 @@
+   { 0x00000029, 0x34001c00, 0x00011400, 0x00010002 },

assembler/test/cont.g4a

@@ -0,0 +1,6 @@
+/* The cont instruction syntax, which is currently just what was in the BNF,
+ * is bad.  It really needs 2 arguments -- pop count (19:16, how many
+ * loops to break out of), and the IP count (15:0).  For now, this argument
+ * should cover 1 loop, and jumping 2 instructions.
+ */
+cont 65538;

assembler/test/halt.expected

@@ -0,0 +1 @@
+   { 0x0000002a, 0x34001c00, 0x00011400, 0x00000002 },

assembler/test/halt.g4a

@@ -0,0 +1 @@
+halt 2;