/
life.pir
281 lines (250 loc) · 6.36 KB
/
life.pir
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
# Copyright (C) 2001-2010, Parrot Foundation.
=head1 NAME
examples/pir/life.pir - Conway's Life
=head1 SYNOPSIS
% ./parrot examples/pir/life.pir
=head1 DESCRIPTION
Runs Conway's Life cellular automata
(L<http://ddi.cs.uni-potsdam.de/HyFISCH/Produzieren/lis_projekt/proj_gamelife/ConwayScientificAmerican.htm>).
=head1 TODO
Convert this into proper PIR.
=head1 SEE ALSO
F<examples/library/ncurses_life.pir>.
=cut
.sub 'life' :main
.param pmc argv
.local int max_generations
.local pmc jmpstack
jmpstack = new 'ResizableIntegerArray'
# First the generation count
$I15 = argv
if $I15 < 2 goto USE_DEFAULT_MAX_GENERATIONS
$S5 = argv[1]
$I2 = $S5
print "Running "
print $I2
print " generations.\n"
goto MAX_GENERATIONS_IS_NOW_KNOWN
USE_DEFAULT_MAX_GENERATIONS:
print "Running 5000 generations by default.\n"
set $I2, 5000
MAX_GENERATIONS_IS_NOW_KNOWN:
print "\n"
# Note the time
time $N5
# If true, we don't print
set $I12, 0
set $S0, " "
set $S1, " "
set $S2, " "
set $S3, " "
set $S4, " ** "
set $S5, " * * "
set $S6, " * "
set $S7, " * * "
set $S8, " ****** "
set $S9, " "
set $S10, " "
set $S11, " "
set $S12, " "
set $S13, " "
set $S14, " "
set $S15, ""
$S15 = concat $S15, $S0
$S15 = concat $S15, $S1
$S15 = concat $S15, $S2
$S15 = concat $S15, $S3
$S15 = concat $S15, $S4
$S15 = concat $S15, $S5
$S15 = concat $S15, $S6
$S15 = concat $S15, $S7
$S15 = concat $S15, $S8
$S15 = concat $S15, $S9
$S15 = concat $S15, $S10
$S15 = concat $S15, $S11
$S15 = concat $S15, $S12
$S15 = concat $S15, $S13
$S15 = concat $S15, $S14
local_branch jmpstack, dump
set $I0, 0
loop: ge $I0, $I2, getout
inc $I0
mod $I31,$I0,100
if $I31, skip
$P0 = getinterp
$P1 = $P0.'stderr_handle'()
print $P1, "."
skip:
local_branch jmpstack, generate
local_branch jmpstack, dump
branch loop
getout: time $N6
sub $N7, $N6, $N5
print "\n"
print $I2
print " generations in "
print $N7
print " seconds. "
set $N8, $I2
div $N1, $N8, $N7
print $N1
print " generations/sec\n"
interpinfo $I1, 1
print "A total of "
print $I1
print " bytes were allocated\n"
interpinfo $I1, 2
print "A total of "
print $I1
print " GC runs were made\n"
interpinfo $I1, 3
print "A total of "
print $I1
print " collection runs were made\n"
interpinfo $I1, 10
print "Copying a total of "
print $I1
print " bytes\n"
interpinfo $I1, 5
print "There are "
print $I1
print " active Buffer structs\n"
interpinfo $I1, 7
print "There are "
print $I1
print " total Buffer structs\n"
end
# $S15 has the incoming string, $S0 is scratch, $S1 is scratch, $S2 is scratch
#
# $I0 is the length of the string
# $I1 is the current cell we're checking
# $I2 is the count for that cell
# $I3 is the offset to the neighbor
generate:
.local int save_I0, save_I1, save_I2, save_I3
save_I0 = $I0
save_I1 = $I1
save_I2 = $I2
save_I3 = $I3
length $I0, $S15
set $S1, ""
set $I1, 0
genloop:
set $I2, 0
NW:
set $I3, -16
add $I3, $I3, $I0
add $I3, $I3, $I1
mod $I3, $I3, $I0
# $S0 is always overwritten, so reuse it
substr $S0, $S15, $I3, 1
ne $S0, "*", North
inc $I2
North:
set $I3, -15
add $I3, $I3, $I0
add $I3, $I3, $I1
mod $I3, $I3, $I0
substr $S0, $S15, $I3, 1
ne $S0, "*", NE
inc $I2
NE:
set $I3, -14
add $I3, $I3, $I0
add $I3, $I3, $I1
mod $I3, $I3, $I0
substr $S0, $S15, $I3, 1
ne $S0, "*", West
inc $I2
West:
set $I3, -1
add $I3, $I3, $I0
add $I3, $I3, $I1
mod $I3, $I3, $I0
substr $S0, $S15, $I3, 1
ne $S0, "*", East
inc $I2
East:
set $I3, 1
add $I3, $I3, $I0
add $I3, $I3, $I1
mod $I3, $I3, $I0
substr $S0, $S15, $I3, 1
ne $S0, "*", SW
inc $I2
SW:
set $I3, 14
add $I3, $I3, $I0
add $I3, $I3, $I1
mod $I3, $I3, $I0
substr $S0, $S15, $I3, 1
ne $S0, "*", South
inc $I2
South:
set $I3, 15
add $I3, $I3, $I0
add $I3, $I3, $I1
mod $I3, $I3, $I0
substr $S0, $S15, $I3, 1
ne $S0, "*", SE
inc $I2
SE:
set $I3, 16
add $I3, $I3, $I0
add $I3, $I3, $I1
mod $I3, $I3, $I0
substr $S0, $S15, $I3, 1
ne $S0, "*", check
inc $I2
check:
substr $S0, $S15, $I1, 1
eq $S0, "*", check_alive
# If eq 3, put a star in else a space
check_dead:
eq $I2, 3, star
branch space
check_alive:
lt $I2, 2, space
gt $I2, 3, space
branch star
space:
$S1 = concat $S1, " "
branch iter_done
star:
$S1 = concat $S1, "*"
iter_done:
inc $I1
lt $I1, $I0, genloop
done:
set $S15, $S1
$I3 = save_I3
$I2 = save_I2
$I1 = save_I1
$I0 = save_I0
local_return jmpstack
# $S15 has the incoming string, $S0 is scratch
dump:
if $I12, dumpend
print "\f"
print "\n\n\n\n\n\n\n\n\n\n\n"
print "------------- generation "
print $I0
print " -------------\n"
set $I10, 0
set $I11, 14
printloop:
substr $S0, $S15, $I10, 15
print $S0
print "\n"
add $I10, $I10, 15
dec $I11
ge $I11, 0, printloop
sleep 1
dumpend:
local_return jmpstack
.end
# Local Variables:
# mode: pir
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4 ft=pir: