psp中java,PSP编程概述
元旦準備買NDS，順帶關注了下PSP，其實是想，或許買PSP也不錯~
PSP很像一個平臺，提供了很多東西，譬如官方的PS模擬器~在上面編程也是個不錯的想法。
國外的一個網站提供了很多信息，PS2Dev Network (http://www.ps2dev.org)，有教程http://ps2dev.org/psp/Tutorials，現在由于不久前的地震，基本無法登陸那個網站。更多的信息在http://wiki.ps2dev.org/。
要想進行PSP編程，需要學習C或C++。在windows下，需要安裝Cygwin http://www.cygwin.com/, 這其實是個模擬linux的環境。在Mac OS X或Linux下需要編譯PSPSDK和PSP 工具。這些東西都可以在http://ps2dev.org/psp/Projects找到。
--
starting?positions
for
the?character
?x
=
200
?y
=
100
--
A?nice?color
?color
=
Color.new(
128
,
255
,?0)
--
this?flag?tells?whether?the?program?needs?to?draw
?draw_character
=
true
--
loop?forever
while
true?do
if
draw_character?then
--
a?rogue?at?the?x
/
y?coordinates
?????screen:
(x,?y,
"
@
"
,?color)
?????screen.flip()
???end
--
check?whether?the?user?pressed?the?pad,
and
move?accordingly
???pad
=
Controls.read()
???draw_character
=
true
if
pad:left()?then
?????x
=
x
-
3
???elseif?pad:right()?then
?????x
=
x
+
3
???elseif?pad:up()?then
?????y
=
y
-
3
???elseif?pad:down()?then
?????y
=
y
+
3
else
?????draw_character
=
false
???end
--
wait
for
the?next?vertical?blank
???screen.waitVblankStart()
?end
你也可以使用HTML, CSS和JavaScript編寫程序在PSP的瀏覽器上運行。關于這方面的信息，網上已經很多了，這里給一個例子。
<
html
>
<
head
><
title
>
Mandelbrot?Set
title
>
head
>
<
body
style
="width:?480px;?height:?272px;"
>
<
script
language
="JavaScript"
>
?colors
=
new
Array(
"
black
"
,
"
aqua
"
,
"
blue
"
,
"
fuchsia
"
,
"
gray
"
,
"
green
"
,
"
lime
"
,
"
maroon
"
,
"
navy
"
,
"
olive
"
,
"
purple
"
,
"
red
"
,
"
silver
"
,
"
teal
"
,
"
white
"
,
"
yellow
"
);
function
plot()
{
???height
=
20
;
???width
=
150
;
???max
=
17
;
//
maximum?number?of?iterations.
???document.write('
<
p?style
=
"
font-size:?8px
"
>
');
//
imaginary?axis?from?-1.25?to?1.25
for
(y
=
-
1.25
;?y
<=
1.25
;?y
+=
2.5
/
height)
{
//
real?axis?from?-2.25?to?.75
for
(x
=
-
2.25
;?x
<=
.
75
;?x
+=
3
/
width)
{
???????a1
=
x;
???????b1
=
y;
for
(cnt
=
1
;?cnt
<=
max;?cnt
++
)
{
//
If?the?square?magnitude?of?the?complex?number?exceeds
//
the?limit,?break?out?of?the?loop.?Otherwise,?calculate
//
and?loop?around?again.
//
a
=
a1
*
a1;
?????????b
=
b1
*
b1;
if
(a
+
b
>
4.0
)
{
break
;
?????????}
else
{
???????????b1
=
2
*
a1
*
b1
+
y;
//
imaginary?component
a1
=
a
-
b
+
x;
//
real?component
}
???????}
if
(cnt
>
max)
{
//
At?this?resolution,?the?point?does?not?appear?to?be
//
outside?the?Mandelbrot?set,?so?use?color?0?(black).
cnt
=
0
;
???????}
???????style
=
'background
-
color:?'
+
colors[?cnt
%
16
]
+
';';
???????document.write('
<
span?style
=
"
'?+?style?+?'
"
>&
nbsp;
span
>
');
?????}
?????document.write('
<
br
/>
');
???}
???document.write('
p
>
');
?}
?plot();
script
>
body
>
html
>
你可以將其與Perl腳本語言結合，編寫功能更為強大的程序。
(聲明：以上大部分翻譯自《PSP Hacks》的Hack 47. Develop for the PSP)
不知道PSP是否支持Python這種腳本語言~大學里看過Python的書~
Lua是linux下的一種編程語言，那另一中語言Ruby是否也可以呢？
posted on 2006-12-30 14:11 李威 閱讀(2148) 評論(1) ?編輯 ?收藏
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