+===========+
|P/ECE¸¦µæ¼¼|
+===========+

P/ECE¸¦µæµ­Ï¿ 2016ǯ
====================

* Tue Oct 25 21:18:48 JST 2016 Naoyuki Sawa
- sin()¤Î¥Ð¥°

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			¨¢	#include <stdio.h>
			¨¢	#include <string.h>
			¨¢	#include <math.h>
			¨¢	#define NOPCESPRINTF
			¨¢	#include <piece.h>
			¨¢	unsigned char vbuff[128*88];
			¨¢	int errno, write; /* dummy */
			¨¢	void test();
			¨¢	void pceAppInit() {
			¨¢	    pceAppSetProcPeriod(255);
			¨¢	    pceLCDSetBuffer(vbuff);
			¨¢	    pceLCDDispStart();
			¨¢	    pceFontSetPos(0, 0);
			¨¢	    test(); /* ¥Æ¥¹¥È¥ë¡¼¥Á¥ó¤ò¸Æ¤Ó½Ð¤¹ */
			¨¢	    pceLCDTrans();
			¨¢	}
			¨¢	void pceAppProc(int cnt) { /** no job **/ }
			¨¢	void pceAppExit() { /** no job **/ }
			¨¢	//¢¬¢¬¢¬¢¬¢¬¤³¤³¤Þ¤Ç¤ÏËÜÂê¤È´Ø·¸¤Î̵¤¤Äê·¿½èÍý¤Ç¤¹¡£¢¬¢¬¢¬¢¬¢¬
			¨¢	//¢­¢­¢­¢­¢­¢­¤³¤³¤«¤é¤¬ËÜÂê¤Î¥Æ¥¹¥È¥ë¡¼¥Á¥ó¤Ç¤¹¡£¢­¢­¢­¢­¢­¢­
			¨¢	volatile int x = (1<<30);
			¨¢	void test() {
			¨¢	    char buf[100];
			¨¢	    double s;
			¨¢	    x += x;                 /* ¥ª¡¼¥Ð¡¼¥Õ¥í¡¼¤¹¤ë±é»»¤¬Ä¾Á°¤Ëºß¤ë¤È¡Ä */
			¨¢	    s = sin(1.57);          /* sin()´Ø¿ô¤Î·ë²Ì¤¬ÉÔÀµ¢­¤Ë¤Ê¤ë¾ì¹ç¤¬Í­¤ë¡£ */
			¨¢	    sprintf(buf, "%f", s);  /* sin(¦Ð/2)=1¤Î¤Ï¤º¤Ê¤Î¤Ë¡Ö-1¡×¤Èɽ¼¨¤µ¤ì¤ë¡£ */
			¨¢	    pceFontPutStr(buf);
			¨¢	}

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			¨¢	;==============================================================================
			¨¢	;   Function: double sin(double x)
			¨¢	;
			¨¢	;   Input:  %r12: Argument x in radian double (low).
			¨¢	;           %r13: Argument x in radian double (high).
			¨¢	;
			¨¢	;   Output: %r10: Return value, sine of x in double (low).
			¨¢	;           %r11: Return value, sine of x in double (high).
			¨¢	;
			¨¢	    .code
			¨¢	    .align  1
			¨¢	    .global sin
			¨¢
			¨¢	sin:                                                                                    ¨¨¤³¤³¤«¤é³«»Ï¤·¤Æ¡Ä
			¨¢	    pushn   %r3                 ; Save registers %r3...%r0.				¨¢
			¨¢	    xsub    %sp,%sp,20          ; Presearve working area in five words.			¨¢
			¨¢												¨¢
			¨¢	    ;[%sp+16] = Taylor series's sign parameter (high).					¨¢
			¨¢	    ;[%sp+12] = Taylor series's sign parameter (low).					¨¢
			¨¢	    ;[%sp+08] = Quadrant of trigonometric function (word).				¨¢
			¨¢	    ;[%sp+07] = 2nd argument of modf, pointer to its fraction part (high).		¨¢
			¨¢	    ;[%sp+00] = 2nd argument of modf, pointer to its fraction part (low).		¨¢
			¨¢												¨¢
			¨¢	    ld.w    %r2,%r12            ; Low word of argument x.				¨¢
			¨¢	    ld.w    %r3,%r13            ; High word of argument x.				¨¢
			¨¢												¨¢
			¨¢	;##### REMOVED 12/08/1999 #############							¨¢
			¨¢	;# ;											¨¢
			¨¢	;# ;    Clear the sign bit of argument x in %r3:%r2 by shifting				¨¢
			¨¢	;# ;    to make it a plus value.							¨¢
			¨¢	;# ;											¨¢
			¨¢	;#  sll     %r3,1               ; Shift the argument x to the left  one bit.		¨¢
			¨¢	;#  srl     %r3,1               ; Shift the argument x to the right one bit.		¨¢
			¨¢	;##### REMOVE END #####################							¨¢
			¨¢												¨¢
			¨¢	    xld.w   %r4,0x0             ; Initialize the quadrant to 0.				¨¢
			¨¢	    xld.w   [%sp+8],%r4         ; Initialize the quadrant to 0.				¨¢¡Ä¤³¤³¤Þ¤Ç¤Î´Ö¤Ë¡¢V¥Õ¥é¥°¤òÊѲ½¤µ¤»¤ëÌ¿Î᤬¸ºß¤·¤Þ¤»¤ó¡£
			¨¢												¢­½¾¤Ã¤Æ¤³¤Î»þÅÀ¤Ç¡¢V¥Õ¥é¥°¤Ï´Ø¿ô¤¬¸Æ¤Ó½Ð¤µ¤ì¤¿»þ¤Î¤Þ¤Þ¤Ç¡¢Íפ¹¤ë¤Ë¡ÖÉÔÄê¡×¤Ç¤¹¡£
			¨¢	    sra     %r13,1              ; Check if x is minus?					¢«sraÌ¿Îá¤Ï¡¢Z¤ÈN¥Õ¥é¥°¤òÊѲ½¤µ¤»¤Þ¤¹¤¬¡¢V¥Õ¥é¥°¤ÏÊѲ½¤µ¤»¤Þ¤»¤ó¡£½¾¤Ã¤Æ¤³¤Î»þÅÀ¤Ç¤â¡¢V¥Õ¥é¥°¤Ï¡ÖÉÔÄê¡×¤Î¤Þ¤Þ¤Ç¤¹¡£
			¨¢	    xjrge   _ArgIsNotMinus      ; Branch if plus or zero.				¢«xjrgeÌ¿Îá¤Îʬ´ô¾ò·ï¤Ï¡Ö!(N^V)¡×¤Ç¤¹¡£¡ØÉÔÄê¤ÊV¥Õ¥é¥°¤ò»²¾È¤·¤Æ¾ò·ïʬ´ô¤ò¹Ô¤Ã¤Æ¤¤¤ë¡Ù¤È¤¤¤¦¥Ð¥°¤Ç¤¹¡£
			¨¢	;
			¨¢	;   --- if the argument x is minus ---
			¨¢	;   Clear the sign bit of argument x in %r3:%r2 by shifting
			¨¢	;   to make it a plus value.
			¨¢	;
			¨¢	    sll     %r3,1               ; Shift the argument x to the left  one bit.
			¨¢	    srl     %r3,1               ; Shift the argument x to the right one bit.
			¨¢
			¨¢	    xld.w   %r4,0x2             ; Set the quadrant 2.
			¨¢	    xld.w   [%sp+8],%r4         ; Set the quadrant 2.
			¨¢	;
			¨¢	;   Mutiply the argument x by the constant 2*Pai
			¨¢	;
			¨¢	_ArgIsNotMinus:
			¨¢	    ld.w    %r12,%r2            ; Argument x (low).
			¨¢	    ld.w    %r13,%r3            ; Argument x (high).
			¨¢	    xld.w   %r14,TWO_PAI_L      ; Multiplier, constant 2*Pai (low).
			¨¢	    xld.w   %r15,TWO_PAI_H      ; Multiplier, constant 2*Pai (high).
			¨¢	                                ; 
			¨¢	    xcall   __muldf3            ; Calculate multiplication; argument x = x * (2 * Pai).
			¨¢	                                ; The result product is %r11:%r10.
			¨¢	    ld.w    %r2,%r10            ; Put result x in %r2 (low).
			¨¢	    ld.w    %r3,%r11            ; Put result x in %r3 (high).
			¨¢
			¨¢	(°Ê²¼Î¬)

		%r13¥ì¥¸¥¹¥¿¤ÎÀµÉé¤òȽÄꤹ¤ë¤Î¤Ë¡¢

			¡ß¸í
			¨¢	sra     %r13,1                  ; %r13 >>= 1, %psr(Z) = !%r13, %psr(V) = %r13[31]
			¨¢	xjrge   _ArgIsNotMinus          ; if(!(%psr(N)^%psr(V))) { goto _ArgIsNotMinus }

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			¨¢	cmp     %r13,0                  ; %psr(C) = 0, %psr(V) = 0, %psr(Z) = !%r13, %psr(N) = %r13[31]
			¨¢	xjrge   _ArgIsNotMinus          ; if(!(%psr(N)^%psr(V))) { goto _ArgIsNotMinus }

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			¨¢	add     %r13,%r13               ; %psr(C) = %r13[31], %psr(V) = ?, %psr(Z) = ?, %psr(N) = ?, %r13 <<= 1
			¨¢	xjruge  _ArgIsNotMinus          ; if(!%psr(C)) { goto _ArgIsNotMinus }

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			¨¢	scan1   %r13,%r13               ; %psr(C) = ?, %psr(V) = 0, %psr(Z) = %r13[31], %psr(N) = 0
			¨¢	xjrne   _ArgIsNotMinus          ; if(!%psr(Z)) { goto _ArgIsNotMinus }

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			¨¢	double sin(double x) { return cos(x - 1.5707963267948966192313216916398); }

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* Sat Aug 06 00:37:42 JST 2016 Naoyuki Sawa
- int¤òlong long¤ËÉä¹æ³ÈÄ¥¤¹¤ë¡¢¿§¡¹¤ÊÊýË¡

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		¨¢	ld.w	%r13, %r12
		¨¢	xsra	%r13, 31

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		¨¢	sra	%r13, 8		;//2¥Ð¥¤¥È¡¢1¥µ¥¤¥¯¥ë
		¨¢	sra	%r13, 8		;//2¥Ð¥¤¥È¡¢1¥µ¥¤¥¯¥ë
		¨¢	sra	%r13, 8		;//2¥Ð¥¤¥È¡¢1¥µ¥¤¥¯¥ë
		¨¢	sra	%r13, 7		;//2¥Ð¥¤¥È¡¢1¥µ¥¤¥¯¥ë

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		¨¢	jrge.d	3		;//2¥Ð¥¤¥È¡¢1¥µ¥¤¥¯¥ë
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		¨¢	add	%r13, %r13	;//2¥Ð¥¤¥È¡¢1¥µ¥¤¥¯¥ë
		¨¢	ld.w	%r13, 0		;//2¥Ð¥¤¥È¡¢1¥µ¥¤¥¯¥ë
		¨¢	sbc	%r13, %r13	;//2¥Ð¥¤¥È¡¢1¥µ¥¤¥¯¥ë

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		¨¢	mlt.w	%r12, %r13	;//2¥Ð¥¤¥È¡¢5¥µ¥¤¥¯¥ë
		¨¢	ld.w	%r13, %ahr	;//2¥Ð¥¤¥È¡¢1¥µ¥¤¥¯¥ë

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		¨¢	ld.w	%alr, %r12	;//2¥Ð¥¤¥È¡¢1¥µ¥¤¥¯¥ë
		¨¢	div0s	%r12		;//2¥Ð¥¤¥È¡¢1¥µ¥¤¥¯¥ë
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			¨¢const char str[]={'\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\','\\'};

			¨¢str:
			¨¢	.byte	92
			¨¢	.byte	92
			¨¢	¡Á
			¨¢	.byte	92
			¨¢	.byte	92

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* Sun May 15 21:25:46 JST 2016 Naoyuki Sawa
- ispunct()¤Î¥Ð¥°

	P/ECE³«È¯´Ä¶­¤Îispunct()¤Ë¤Ï¥Ð¥°¤¬Í­¤ê¤Þ¤¹¡£
	ispunct(' ')¤ÏÀµ¤·¤¯¤Ïfalse¤Ç¤¹¤¬¡¢P/ECE¤Ç¤Ïtrue¤Ë¤Ê¤ê¤Þ¤¹¡£
	EPSON¥é¥¤¥Ö¥é¥ê¤Î¥Ð¥°¤ß¤¿¤¤¤Ç¤¹¡£

		¢£ºÆ¸½¥×¥í¥°¥é¥à

			#include <stdio.h>
			#include <stdlib.h>
			#include <string.h>
			#include <ctype.h>
			#include <piece.h>
			unsigned char vbuff[DISP_X * DISP_Y];
			void pceAppInit() {
				pceLCDSetBuffer(vbuff);
				pceLCDDispStart();
			}
			void pceAppProc(int cnt) {
				memset(vbuff, 0, sizeof vbuff);
				pceFontSetPos(0, 0);
				pceFontPrintf("ispunct(' ') = %s", ispunct(' ') ? "true" : "false");
				pceLCDTrans();
			}
			void pceAppExit() { }

		¢£·ë²Ì

			¨£¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¤
			¨¢ispunct(' ') = true ¨¢
			¨¦¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¥
			http://www.piece-me.org/piece-lab/ispunct/ispunct1.gif

	½¤Àµ¤¹¤ë¤Ë¤Ï¡¢¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¥×¥í¥°¥é¥àÆâ¤ÇÀµ¤·¤¤ispunct()¤òÄêµÁ¤·¤Æ¡¢EPSON¥é¥¤¥Ö¥é¥ê¤Î´Ø¿ô¤òÃÖ¤­´¹¤¨¤ì¤Ðok¤Ç¤¹¡£

		¢£½¤Àµ¥×¥í¥°¥é¥à

			#include <stdio.h>
			#include <stdlib.h>
			#include <string.h>
			#include <ctype.h>
			#include <piece.h>
			unsigned char vbuff[DISP_X * DISP_Y];
			void pceAppInit() {
				pceLCDSetBuffer(vbuff);
				pceLCDDispStart();
			}
			void pceAppProc(int cnt) {
				memset(vbuff, 0, sizeof vbuff);
				pceFontSetPos(0, 0);
				pceFontPrintf("ispunct(' ') = %s", ispunct(' ') ? "true" : "false");
				pceLCDTrans();
			}
			void pceAppExit() { }
			//--- Àµ¤·¤¤ispunct()¤ÇEPSON¥é¥¤¥Ö¥é¥ê¤Î´Ø¿ô¤òÃÖ¤­´¹¤¨¤ë ---
			int ispunct(int c) {
				return ((c >= 0x21) && (c <= 0x2F)) ||	//EPSON¥é¥¤¥Ö¥é¥ê¤Ï¿ʬ¤³¤³¤¬((c >= 0x20) && (c <= 0x2F))¤Ë¤Ê¤Ã¤Æ¤¤¤ë¡£
				       ((c >= 0x3A) && (c <= 0x40)) ||
				       ((c >= 0x5B) && (c <= 0x60)) ||
				       ((c >= 0x7B) && (c <= 0x7E));
			}

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			¨£¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¤
			¨¢ispunct(' ') = false¨¢
			¨¦¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¡¨¥
			http://www.piece-me.org/piece-lab/ispunct/ispunct2.gif

	º£²ó»ÈÍѤ·¤¿¸¡¾Ú¥×¥í¥°¥é¥à°ì¼°¤Î¡¢¥À¥¦¥ó¥í¡¼¥É¤Ï¤³¤Á¤é¤Ç¤¹:
		http://www.piece-me.org/piece-lab/ispunct/ispunct-src.zip