1 /*
2
3 Based on the SG C Tools 1.7
4 (C) 1993 Steve Goldsmith
5
6 $Id: circlepointsvdc.c,v 1.1 2008-06-23 17:34:32 stefano Exp $
7
8 */
9
10 #include <stdlib.h>
11 #include <c128/vdc.h>
12
13 /* plot circle points in eights */
14
circlepointsvdc(int XC,int YC,int X,int Y)15 void circlepointsvdc(int XC, int YC, int X, int Y)
16 {
17 setpixivdc(XC+X,YC+Y);
18 setpixivdc(XC-X,YC+Y);
19 setpixivdc(XC+X,YC-Y);
20 setpixivdc(XC-X,YC-Y);
21 setpixivdc(XC+Y,YC+X);
22 setpixivdc(XC-Y,YC+X);
23 setpixivdc(XC+Y,YC-X);
24 setpixivdc(XC-Y,YC-X);
25 }
26