File aspectrum-sequence-point.patch of Package aspectrum
--- graphics.c
+++ graphics.c
@@ -63,7 +63,7 @@
extern int v_res;
static int f_flash = 1, f_flash2 = 0;
- f_flash2 = (f_flash2++) % 32;
+ f_flash2 = (f_flash2 + 1) % 32;
if (f_flash2 < 16)
f_flash = 1;
else