59189
PRINT"
5921313
PRINT"
513229
PRINT"
513240
PRINT"
5132613
PRINT"
5132813
PRINT"
593139
PRINT"
513320
PRINT"
503413
PRINT"
593513
PRINT"
59369
PRINT"
5133813
PRINT"
51341313
PRINT"
5134213
PRINT"
5134413
PRINT"
511399
RETURN
..
!iIIfJ
-
...
..
-
.......
•
•••
• liliiii_
-";
m";
.";
-";
• •
-";
-
!II
- .
13
II1II
13
II1II
•
!II
I •
• •
lilllllllilillillllllllllllllllllllllill
-";
111";
""
;
I";
Chapter
6 Graphics
189
63131313
POKERDILM~:SS~=PEEK(RS)ANDRM~:POKERD,255
63919
SS~=SS~OR(PEEK(LS)AND6e)
63929
XI.SGN(SS~ANDLM~)-SON(SS~ANDRM~)
6313313
r.,'
I
=SON
(SS~RNDUM~)
-SGN
(SS~At~DDM~)
6313513
RETURN
FIGURE
6-5. Racetrack program (continued)
The pencil-and-paper version
of
Racetrack
is
played on a sheet
of
graph
paper with the course drawn on it. Here
is
a typical course.