X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=direct.c;h=dc44e8e62371b5b5eb72229801c8800bd347fdf6;hp=175027292045ab67193e1b6c75a51ecc48523f6e;hb=be5c1cb1a3ca24f29789437675fa8cd22e1edd45;hpb=c7c27ef02a3d5c7d17e5728910961a4a1eeacfe3

diff --git a/direct.c b/direct.c
index 1750272..dc44e8e 100644
--- a/direct.c
+++ b/direct.c
@@ -88,6 +88,7 @@ int (*dirtab[])() = {
 	d_nojpad,			// 55 .nojpad (deprecated)
 	d_gpumain,			// 56 .gpumain (deprecated)
 	d_prgflags,			// 57 .prgflags
+	d_opt,				// 58 .opt
 };
 
 
@@ -814,8 +815,7 @@ 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 +832,14 @@ 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);
@@ -997,6 +1002,8 @@ int d_dcb(WORD siz)
 	VALUE evalc, eval;
 	WORD eattr;
 
+	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");
 
@@ -1583,3 +1590,30 @@ int d_gpumain(void)
 	return error("What the hell? Do you think we adhere to the Goof standard?");
 }
 
+
+//
+// .opt - turn a specific (or all) optimisation on or off
+//
+int d_opt(void)
+{
+	while (*tok != EOL)
+	{
+		if (*tok == STRING)
+		{
+			tok++;
+			char * tmpstr = string[*tok++];
+
+			if (ParseOptimization(tmpstr) != OK)
+			{
+				char temperr[256];
+				sprintf(temperr, "unknown optimisation flag '%s'", tmpstr);
+				return error(temperr);
+			}
+		}
+		else
+			return error(".opt directive needs every switch enclosed inside quotation marks");
+	}
+
+	return OK;
+}
+