diff options
| -rw-r--r-- | altoslib/AltosHexfile.java | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/altoslib/AltosHexfile.java b/altoslib/AltosHexfile.java index 68f42f14..2140228a 100644 --- a/altoslib/AltosHexfile.java +++ b/altoslib/AltosHexfile.java @@ -230,17 +230,19 @@ public class AltosHexfile { } long extended_addr = 0; - long base = 0xffffffff; - long bound = 0x00000000; + long base = 0; + long bound = 0; + boolean set = false; for (HexRecord record : record_list) { switch (record.type) { case 0: long addr = extended_addr + record.address; long r_bound = addr + record.data.length; - if (addr < base) + if (!set || addr < base) base = addr; - if (r_bound > bound) + if (!set || r_bound > bound) bound = r_bound; + set = true; break; case 1: break; @@ -259,7 +261,7 @@ public class AltosHexfile { } } - if (base >= bound) + if (!set || base >= bound) throw new IOException("invalid hex file"); if (bound - base > 4 * 1024 * 1024) |