1 files changed, 37 insertions, 0 deletions
diff --git a/as.h b/as.h
new file mode 100644
index 0000000..a67e15f
--- /dev/null
+++ b/as.h
@@ -0,0 +1,37 @@
+#define bool char
+#define true 1
+#define false 0
+
+typedef enum {
+  NOP, SUBLEQ, SUB, ADD, JMP, MOV, BEQ, NOT, HALT, DATA
+} INSTRUCTION;
+
+typedef struct {
+  INSTRUCTION i;
+  int a, b, c;
+  int args;
+  bool eof;
+  bool valid;
+} TOKEN;
+
+void out(FILE* file, int a, int b, int c) {
+  fwrite(&a, sizeof(int), 1, file);
+  fwrite(&b, sizeof(int), 1, file);
+  fwrite(&c, sizeof(int), 1, file);
+  fflush(file);
+}
+
+#define PLEN 6
+#define Z 3
+
+void preamble(FILE* file) {
+  // Jump over Z
+  out(file, 1, 1, PLEN);
+  // Z
+  out(file, 0, 0, 0);
+}
+
+void postamble(FILE* file) {
+  // Halt
+  out(file, -1, -1, -1);
+}