Turbo C doesn't like this way of doing macros.

diff --git a/src/common/fastmem.c b/src/common/fastmem.c
index 9d5950ce3666181396e96ea995c7947d5930336a..52378d14d4dfe5390de7cb2ff8d199f937e87b9f 100644 (file)
--- a/src/common/fastmem.c
+++ b/src/common/fastmem.c
@@ -869,6 +869,8 @@ static void mem_undiff (zbyte *diff, long diff_length, zbyte *dest)
  */
 int restore_undo (void)
 {
+    long pc = curr_undo->pc;
+
     if (f_setup.undo_slots == 0)       /* undo feature unavailable */
 
        return -1;
@@ -880,7 +882,8 @@ int restore_undo (void)
     /* undo possible */
 
     memmove (zmp, prev_zmp, h_dynamic_size);
-    SET_PC (curr_undo->pc);
+    SET_PC (pc);
+    curr_undo->pc = pc;
     sp = stack + STACK_SIZE - curr_undo->stack_size;
     fp = stack + curr_undo->frame_offset;
     frame_count = curr_undo->frame_count;