New sbbs_t method: cursor_xy(), works with both PETSCII and ANSI terminals.

JS console.gotoxy() and the GOTOXY @-code now work with PETSCII terminals
(homes the cursor then moves down and right the appropriate number of rows
and columns). Bummer I didn't think of this method sooner.

src/sbbs3/atcodes.cpp

@@ -1042,7 +1042,7 @@ const char* sbbs_t::atcode(char* sp, char* str, size_t maxlen, long* pmode)
 		tp=strchr(sp,',');
 		if(tp!=NULL) {
 			tp++;
-			ansi_gotoxy(atoi(sp+7),atoi(tp));
+			cursor_xy(atoi(sp+7),atoi(tp));
 		}
 		return(nulstr);
 	}

src/sbbs3/con_out.cpp

@@ -912,6 +912,20 @@ void sbbs_t::cursor_left(int count)
 		column=0;
 }
 
+bool sbbs_t::cursor_xy(int x, int y)
+{
+	long term = term_supports();
+	if(term&ANSI)
+		return ansi_gotoxy(x, y);
+	if(term&PETSCII) {
+		outcom(PETSCII_HOME);
+		cursor_down(y - 1);
+		cursor_right(x - 1);
+		return true;
+	}
+	return false;
+}
+
 void sbbs_t::cleartoeol(void)
 {
 	int i,j;

src/sbbs3/js_console.cpp

@@ -1623,7 +1623,7 @@ js_gotoxy(JSContext *cx, uintN argc, jsval *arglist)
 	}
 
 	rc=JS_SUSPENDREQUEST(cx);
-	sbbs->ansi_gotoxy(x,y);
+	sbbs->cursor_xy(x,y);
 	JS_RESUMEREQUEST(cx, rc);
     return(JS_TRUE);
 }
@@ -2096,7 +2096,7 @@ static jsSyncMethodSpec js_console_functions[] = {
 	},
 	{"ansi_gotoxy",		js_gotoxy,			1, JSTYPE_ALIAS },
 	{"gotoxy",			js_gotoxy,			1, JSTYPE_VOID,		JSDOCSTR("[x,y] or [object { x,y }]")
-	,JSDOCSTR("move cursor to a specific screen coordinate (ANSI, 1-based values), "
+	,JSDOCSTR("move cursor to a specific screen coordinate (ANSI or PETSCII, 1-based values), "
 	"arguments can be separate x and y coordinates or an object with x and y properties "
 	"(like that returned from <tt>console.getxy()</tt>)")
 	,311
@@ -2129,7 +2129,7 @@ static jsSyncMethodSpec js_console_functions[] = {
 	},
 	{"ansi_getxy",		js_getxy,			0, JSTYPE_ALIAS },
 	{"getxy",			js_getxy,			0, JSTYPE_OBJECT,	JSDOCSTR("")
-	,JSDOCSTR("query the current cursor position on the remote terminal "
+	,JSDOCSTR("query the current cursor position on the remote (ANSI) terminal "
 		"and returns the coordinates as an object (with x and y properties)")
 	,311
 	},

src/sbbs3/sbbs.h

@@ -744,6 +744,7 @@ public:
 	void	cursor_down(int count=1);
 	void	cursor_left(int count=1);
 	void	cursor_right(int count=1);
+	bool	cursor_xy(int x, int y);
 	void	carriage_return(int count=1);
 	void	line_feed(int count=1);
 	void	newline(int count=1);