Start exercising grow code, breaking the VM

grow/sample.go

@@ -0,0 +1,24 @@
+package main
+
+import "github.com/firestuff/subcoding/vm"
+
+type Sample struct {
+	GlobalMemoryInputs  map[uint64]uint64 `yaml:"global_memory_inputs"`
+	GlobalMemoryOutputs map[uint64]uint64 `yaml:"global_memory_outputs"`
+}
+
+func (s *Sample) SetInputs(state *vm.State) {
+	for i, val := range s.GlobalMemoryInputs {
+		state.GlobalMemory().WriteUnsigned(i, val)
+	}
+}
+
+func (s *Sample) OutputsMatch(state *vm.State) bool {
+	for i, val := range s.GlobalMemoryOutputs {
+		if state.GlobalMemory().MustReadUnsigned(i) != val {
+			return false
+		}
+	}
+
+	return true
+}