ngrc version works?

runtime/rts.c

@@ -1,7 +1,13 @@
 #include <stdint.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <inttypes.h>
 
+#define HEAP_SIZE (1024 * 1024)
+
+void *__global_allocation_pointer__ = NULL;
+
 void print(char *_ignore, char *variable_name, int64_t vtype, int64_t value) {
     switch(vtype) {
     case /* U8 = */ 10:
@@ -39,6 +45,18 @@ void print(char *_ignore, char *variable_name, int64_t vtype, int64_t value) {
 extern void gogogo();
 
 int main(int argc, char **argv) {
+    __global_allocation_pointer__ = malloc(HEAP_SIZE);
+    if(__global_allocation_pointer__ == NULL) {
+        printf("ERROR: Couldn't allocation heap space.");
+        return 1;
+    }
+
+    if(memset(__global_allocation_pointer__, 0, HEAP_SIZE) != __global_allocation_pointer__) {
+        printf("ERROR: Weird return trying to zero out heap.");
+        return 2;
+    }
+
     gogogo();
+
     return 0;
 }