| 1 |
greg |
1.1 |
#ifndef lint |
| 2 |
schorsch |
1.2 |
static const char RCSid[] = "$Id: subr.c,v 1.1 2003/02/22 02:07:26 greg Exp $"; |
| 3 |
greg |
1.1 |
#endif |
| 4 |
|
|
|
| 5 |
|
|
#include <stdio.h> |
| 6 |
schorsch |
1.2 |
|
| 7 |
|
|
#include "local4014.h" |
| 8 |
|
|
#include "lib4014.h" |
| 9 |
|
|
|
| 10 |
greg |
1.1 |
float obotx = 0.; |
| 11 |
|
|
float oboty = 0.; |
| 12 |
|
|
float botx = 0.; |
| 13 |
|
|
float boty = 0.; |
| 14 |
|
|
float scalex = 1.; |
| 15 |
|
|
float scaley = 1.; |
| 16 |
|
|
int scaleflag; |
| 17 |
|
|
|
| 18 |
|
|
int oloy = -1; |
| 19 |
|
|
int ohiy = -1; |
| 20 |
|
|
int ohix = -1; |
| 21 |
|
|
int oextra = -1; |
| 22 |
schorsch |
1.2 |
|
| 23 |
|
|
extern void |
| 24 |
|
|
cont( |
| 25 |
|
|
int x, |
| 26 |
|
|
int y |
| 27 |
|
|
) |
| 28 |
|
|
{ |
| 29 |
greg |
1.1 |
int hix,hiy,lox,loy,extra; |
| 30 |
|
|
int n; |
| 31 |
|
|
x = (x-obotx)*scalex + botx; |
| 32 |
|
|
y = (y-oboty)*scaley + boty; |
| 33 |
|
|
hix=(x>>7) & 037; |
| 34 |
|
|
hiy=(y>>7) & 037; |
| 35 |
|
|
lox = (x>>2)&037; |
| 36 |
|
|
loy=(y>>2)&037; |
| 37 |
|
|
extra=x&03+(y<<2)&014; |
| 38 |
|
|
n = (abs(hix-ohix) + abs(hiy-ohiy) + 6) / 12; |
| 39 |
|
|
if(hiy != ohiy){ |
| 40 |
|
|
putch(hiy|040); |
| 41 |
|
|
ohiy=hiy; |
| 42 |
|
|
} |
| 43 |
|
|
if(hix != ohix){ |
| 44 |
|
|
if(extra != oextra){ |
| 45 |
|
|
putch(extra|0140); |
| 46 |
|
|
oextra=extra; |
| 47 |
|
|
} |
| 48 |
|
|
putch(loy|0140); |
| 49 |
|
|
putch(hix|040); |
| 50 |
|
|
ohix=hix; |
| 51 |
|
|
oloy=loy; |
| 52 |
|
|
} |
| 53 |
|
|
else{ |
| 54 |
|
|
if(extra != oextra){ |
| 55 |
|
|
putch(extra|0140); |
| 56 |
|
|
putch(loy|0140); |
| 57 |
|
|
oextra=extra; |
| 58 |
|
|
oloy=loy; |
| 59 |
|
|
} |
| 60 |
|
|
else if(loy != oloy){ |
| 61 |
|
|
putch(loy|0140); |
| 62 |
|
|
oloy=loy; |
| 63 |
|
|
} |
| 64 |
|
|
} |
| 65 |
|
|
putch(lox|0100); |
| 66 |
|
|
while(n--) |
| 67 |
|
|
putch(0); |
| 68 |
|
|
} |
| 69 |
|
|
|
| 70 |
schorsch |
1.2 |
extern void |
| 71 |
|
|
putch( |
| 72 |
|
|
int c |
| 73 |
|
|
) |
| 74 |
|
|
{ |
| 75 |
greg |
1.1 |
putc(c,stdout); |
| 76 |
|
|
} |
| 77 |
schorsch |
1.2 |
|
