1 files changed, 69 insertions, 0 deletions
diff --git a/comp/work/46/turing.c b/comp/work/46/turing.c
new file mode 100644
index 0000000..cc41451
--- /dev/null
+++ b/comp/work/46/turing.c
@@ -0,0 +1,69 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+
+typedef struct transfer {
+	int id;
+	char input;
+	int next;
+	char output;
+	int move;
+	bool end;
+} transfer;
+
+transfer transfers[128];
+int transferptr = 0;
+int count = 0;
+
+char tape[4096] = {0};
+char *head = tape;
+
+int main() {
+	FILE *f = fopen("test.mac", "r");
+
+	strcat(tape, "1110");
+
+	char *line = malloc(128);
+	while (fgets(line, 128, f) != NULL) {
+		char *tok = strtok(line, " "); // input
+		transfers[count].id = atoi(tok);
+		
+		tok = strtok(NULL, " ");
+		if (tok[0] == '*') transfers[count].input = -1;
+		else transfers[count].input = tok[0];
+
+		tok = strtok(NULL, " ");  // next
+		transfers[count].next = atoi(tok);
+
+		tok = strtok(NULL, " "); // output
+		transfers[count].output = tok[0];
+
+		tok = strtok(NULL, " "); // offset
+		transfers[count].move = atoi(tok);
+
+		tok = strtok(NULL, " "); // end
+		transfers[count].end = atoi(tok); // must be 1 or 0
+
+		count++;
+
+		line = malloc(128);
+	}
+
+	for (;;) {
+		for (int i = 0; i < count; i++) {
+			if (transfers[i].id == transferptr) {
+				if (transfers[i].input == -1 || *head == transfers[i].input) {
+					*head = transfers[i].output;
+					head += transfers[i].move;
+					transferptr = transfers[i].next;
+					if (transfers[transferptr].end) break;
+					break;
+				}
+			}
+		}
+	}
+	printf("%s\n", tape);
+	return 0;
+}
+