X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=direct.c;h=70f4469602278ad708811706181f5a37146a2c3f;hp=89e4ee0149855e7c7b7031422058eee2d5a10559;hb=d570f2d80fed3a3254ff49748d4e2f50ee5e2a2c;hpb=21b541fc477234e0823876eabf8ee556eb94c78e

diff --git a/direct.c b/direct.c
index 89e4ee0..70f4469 100644
--- a/direct.c
+++ b/direct.c
@@ -814,8 +814,7 @@ int d_bss(void)
 //
 int d_ds(WORD siz)
 {
-if (debug)
-	printf("Directive: .ds.[size] = %u, sloc = $%X\n", siz, sloc);
+	DEBUG { printf("Directive: .ds.[size] = %u, sloc = $%X\n", siz, sloc); }
 
 	VALUE eval;
 
@@ -832,9 +831,14 @@ if (debug)
 	if (abs_expr(&eval) != OK)
 		return 0;
 
+	// Check to see if the value being passed in is negative (who the hell does
+	// that?--nobody does; it's the code gremlins, or rum, that does it)
+	if (eval < 0)
+		return error("negative sizes not allowed");
+
 	// In non-TDB section (BSS, ABS and M6502) just advance the location
 	// counter appropriately. In TDB sections, deposit (possibly large) chunks
-	//of zeroed memory....
+	// of zeroed memory....
 	if (scattr & SBSS)
 	{
 		listvalue(eval);
@@ -997,7 +1001,8 @@ int d_dcb(WORD siz)
 	VALUE evalc, eval;
 	WORD eattr;
 
-printf("dcb: section is %s%s%s (scattr=$%X)\n", (cursect & TEXT ? "TEXT" : ""), (cursect & DATA ? " DATA" : ""), (cursect & BSS ? "BSS" : ""), scattr);
+	DEBUG { printf("dcb: section is %s%s%s (scattr=$%X)\n", (cursect & TEXT ? "TEXT" : ""), (cursect & DATA ? " DATA" : ""), (cursect & BSS ? "BSS" : ""), scattr); }
+
 	if ((scattr & SBSS) != 0)
 		return error("illegal initialization of section");