listamsb: complain more about lines >255 bytes long.

1 files changed, 11 insertions, 5 deletions

diff --git a/listamsb.c b/listamsb.c
index efcaf00..207c3bb 100644
--- a/listamsb.c
+++ b/listamsb.c
@@ -33,11 +33,13 @@
    even with cart-based AMSB2 and no DOS loaded. */
 #define MAX_PROGLEN 30000
 
-/* there should never be a valid line of BASIC longer than this many
+/* there should never be a valid line of BASIC longer than MAX_LINE_LEN
    bytes, since there would be no way to enter it in the editor. AMSB
    uses the standard E: device, which limits you to 4 screen lines, or
-   max 120 bytes. */
+   max 120 bytes. there *cannot* be a line longer than MAX_LINE_LEN_HARD,
+   because AMSB would crash when you try to LOAD such a program. */
 #define MAX_LINE_LEN 0x80
+#define MAX_LINE_LEN_HARD 0xff
 
 /* a program whose header has a length less than MIN_PROGLEN can't be
    a real AMSB program. EMPTY_PROGLEN is what you get if you
@@ -273,9 +275,13 @@ int next_line(void) {
 	}
 
 	if(len > MAX_LINE_LEN) {
-		fprintf(stderr, "%s: line %d is suspiciously long (length %d > %d)\n",
-			self, lineno, len, MAX_LINE_LEN);
-		warnings++;
+		int hard = len > MAX_LINE_LEN_HARD;
+		fprintf(stderr, "%s: line %d is %s long (length %d > %d)\n",
+			self,
+			lineno,
+			hard ? "impossibly" : "supiciously",
+			len,
+			hard ? MAX_LINE_LEN : MAX_LINE_LEN_HARD);
 	}
 
 	if(last_ptr != -1) {