trigon_f.c

port of ARM to NOkia 3310 display

/*
** Copyright (c) 2004 Syuicih Ohnishi(PROJECT.B).
** All Rights	Reserved.
** $Project		GBA-analog_clock
** $Module		trigon_f
** $Filename	trigon_f.c
** $Version		1.0.0
** $Author		S.Syuicih Ohnishi(PROJECT.B)
** $Log
**   		Date(dmy)  	By     		Ver		Description
**   		--------------------------------------------------------------------
** $Ver		14/07/2004	S.Ohnishi	1.0.0	Initial.
**
** $Desc	摿偵側偟
*/

/*GBA摿桳偺僿僢僟僼傽僀儖*/
#include "gba.h"

/*帺慜偺掕媊傪擖椡偡傞偨傔偺僿僢僟僼傽僀儖*/
#include "trigon_f.h"

const s16 gba_SIN_tbl[360] = {
0,
4,
8,
13,
17,
22,
26,
31,
35,
40,
44,
48,
53,
57,
61,
66,
70,
74,
79,
83,
87,
91,
95,
100,
104,
108,
112,
116,
120,
124,
128,
131,
135,
139,
143,
146,
150,
154,
157,
161,
164,
167,
171,
174,
177,
181,
184,
187,
190,
193,
196,
198,
201,
204,
207,
209,
212,
214,
217,
219,
221,
223,
226,
228,
230,
232,
233,
235,
237,
238,
240,
242,
243,
244,
246,
247,
248,
249,
250,
251,
252,
252,
253,
254,
254,
255,
255,
255,
255,
255,
255,
255,
255,
255,
255,
255,
254,
254,
253,
252,
252,
251,
250,
249,
248,
247,
246,
244,
243,
242,
240,
238,
237,
235,
233,
232,
230,
228,
226,
223,
221,
219,
217,
214,
212,
209,
207,
204,
201,
198,
196,
193,
190,
187,
184,
181,
177,
174,
171,
167,
164,
161,
157,
154,
150,
146,
143,
139,
135,
131,
127,
124,
120,
116,
112,
108,
104,
100,
95,
91,
87,
83,
79,
74,
70,
66,
61,
57,
53,
48,
44,
40,
35,
31,
26,
22,
17,
13,
8,
4,
0,
65532,
65528,
65523,
65519,
65514,
65510,
65505,
65501,
65496,
65492,
65488,
65483,
65479,
65475,
65470,
65466,
65462,
65457,
65453,
65449,
65445,
65441,
65436,
65432,
65428,
65424,
65420,
65416,
65412,
65408,
65405,
65401,
65397,
65393,
65390,
65386,
65382,
65379,
65375,
65372,
65369,
65365,
65362,
65359,
65355,
65352,
65349,
65346,
65343,
65340,
65338,
65335,
65332,
65329,
65327,
65324,
65322,
65319,
65317,
65315,
65313,
65310,
65308,
65306,
65304,
65303,
65301,
65299,
65298,
65296,
65294,
65293,
65292,
65290,
65289,
65288,
65287,
65286,
65285,
65284,
65284,
65283,
65282,
65282,
65281,
65281,
65281,
65281,
65281,
65281,
65281,
65281,
65281,
65281,
65281,
65282,
65282,
65283,
65284,
65284,
65285,
65286,
65287,
65288,
65289,
65290,
65292,
65293,
65294,
65296,
65298,
65299,
65301,
65303,
65304,
65306,
65308,
65310,
65313,
65315,
65317,
65319,
65322,
65324,
65327,
65329,
65332,
65335,
65338,
65340,
65343,
65346,
65349,
65352,
65355,
65359,
65362,
65365,
65369,
65372,
65375,
65379,
65382,
65386,
65390,
65393,
65397,
65401,
65405,
65409,
65412,
65416,
65420,
65424,
65428,
65432,
65436,
65441,
65445,
65449,
65453,
65457,
65462,
65466,
65470,
65475,
65479,
65483,
65488,
65492,
65496,
65501,
65505,
65510,
65514,
65519,
65523,
65528,
65532
};

const s16 gba_COS_tbl[360] = {
256,
255,
255,
255,
255,
255,
254,
254,
253,
252,
252,
251,
250,
249,
248,
247,
246,
244,
243,
242,
240,
238,
237,
235,
233,
232,
230,
228,
226,
223,
221,
219,
217,
214,
212,
209,
207,
204,
201,
198,
196,
193,
190,
187,
184,
181,
177,
174,
171,
167,
164,
161,
157,
154,
150,
146,
143,
139,
135,
131,
127,
124,
120,
116,
112,
108,
104,
100,
95,
91,
87,
83,
79,
74,
70,
66,
61,
57,
53,
48,
44,
40,
35,
31,
26,
22,
17,
13,
8,
4,
0,
65532,
65528,
65523,
65519,
65514,
65510,
65505,
65501,
65496,
65492,
65488,
65483,
65479,
65475,
65470,
65466,
65462,
65457,
65453,
65449,
65445,
65441,
65436,
65432,
65428,
65424,
65420,
65416,
65412,
65408,
65405,
65401,
65397,
65393,
65390,
65386,
65382,
65379,
65375,
65372,
65369,
65365,
65362,
65359,
65355,
65352,
65349,
65346,
65343,
65340,
65338,
65335,
65332,
65329,
65327,
65324,
65322,
65319,
65317,
65315,
65313,
65310,
65308,
65306,
65304,
65303,
65301,
65299,
65298,
65296,
65294,
65293,
65292,
65290,
65289,
65288,
65287,
65286,
65285,
65284,
65284,
65283,
65282,
65282,
65281,
65281,
65281,
65281,
65281,
65281,
65281,
65281,
65281,
65281,
65281,
65282,
65282,
65283,
65284,
65284,
65285,
65286,
65287,
65288,
65289,
65290,
65292,
65293,
65294,
65296,
65298,
65299,
65301,
65303,
65304,
65306,
65308,
65310,
65313,
65315,
65317,
65319,
65322,
65324,
65327,
65329,
65332,
65335,
65338,
65340,
65343,
65346,
65349,
65352,
65355,
65359,
65362,
65365,
65369,
65372,
65375,
65379,
65382,
65386,
65390,
65393,
65397,
65401,
65405,
65409,
65412,
65416,
65420,
65424,
65428,
65432,
65436,
65441,
65445,
65449,
65453,
65457,
65462,
65466,
65470,
65475,
65479,
65483,
65488,
65492,
65496,
65501,
65505,
65510,
65514,
65519,
65523,
65528,
65532,
0,
4,
8,
13,
17,
22,
26,
31,
35,
40,
44,
48,
53,
57,
61,
66,
70,
74,
79,
83,
87,
91,
95,
100,
104,
108,
112,
116,
120,
124,
128,
131,
135,
139,
143,
146,
150,
154,
157,
161,
164,
167,
171,
174,
177,
181,
184,
187,
190,
193,
196,
198,
201,
204,
207,
209,
212,
214,
217,
219,
221,
223,
226,
228,
230,
232,
233,
235,
237,
238,
240,
242,
243,
244,
246,
247,
248,
249,
250,
251,
252,
252,
253,
254,
254,
255,
255,
255,
255,
255
};

/*
** $Function	gba_get_SIN
** $Funcattr	Local
** $Syntax		s16 gba_get_SIN(s32 angle )
** $Argv		s32 angle 妏搙
** $Return		SIN偺抣
** $Desc		SIN偺抣傪曉偡
*/
s16 gba_get_SIN(s32 angle )
{
	while( angle < 0 ){
		angle+=360;
	}
	
	return gba_SIN_tbl[angle%360];
}

/*
** $Function	gba_get_COS
** $Funcattr	Local
** $Syntax		s16 gba_get_COS(s32 angle )
** $Argv		s32 angle 妏搙
** $Return		COS偺抣
** $Desc		COS偺抣傪曉偡
*/
s16 gba_get_COS(s32 angle )
{
	while( angle < 0 ){
		angle+=360;
	}
	
	return gba_COS_tbl[angle%360];
}