X-Git-Url: http://git.osdn.net/view?p=proj16%2F16.git;a=blobdiff_plain;f=src%2Flib%2F16_head.c;h=593d5722dc47d3a5862927943f10a8ffd2187901;hp=656057fbebd98c0c5d1f9df74f3e27cb087de996;hb=4d4c2774d4e51f7356f7a5ef32ef61a9fd2c299a;hpb=535f618e80aa6546e61907026b2451e123655a5b

diff --git a/src/lib/16_head.c b/src/lib/16_head.c
index 656057fb..593d5722 100755
--- a/src/lib/16_head.c
+++ b/src/lib/16_head.c
@@ -1,5 +1,5 @@
 /* Project 16 Source Code~
- * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669 & joncampbell123
+ * Copyright (C) 2012-2022 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover
  *
  * This file is part of Project 16.
  *
@@ -22,21 +22,14 @@
 
 #include "src/lib/16_head.h"
 
-/* Function: Wait **********************************************************
-*
-*     Parameters:    wait - time in microseconds
-*
-*     Description:    pauses for a specified number of microseconds.
-*
-*/
-void wait(clock_t wait){
-	clock_t goal;
-
-	if(!wait) return;
+//cpu reg stuff for _AX, _BX, _CX, _DX
+#ifdef __WATCOMC__
+union regs CPURegs;
+#endif
 
-	goal = wait + clock();
-	while((goal > clock()) && !kbhit()) ;
-} /* End of wait */
+// big global status text buffer
+char global_temp_status_text[512];
+char global_temp_status_text2[512];
 
 long int
 filesize(FILE *fp)
@@ -50,6 +43,80 @@ filesize(FILE *fp)
 	return(size_of_file);
 }
 
+// clrstdin() clear any leftover chars tha may be in stdin stream //
+void clrstdin()
+{
+   int ch = 0;
+   while( ( ch = getchar() ) != '\n' && ch != EOF );
+}
+
+//from http://stackoverflow.com/questions/2736753/how-to-remove-extension-from-file-name
+// remove_ext: removes the "extension" from a file spec.
+//   mystr is the string to process.
+//   dot is the extension separator.
+//   sep is the path separator (0 means to ignore).
+// Returns an allocated string identical to the original but
+//   with the extension removed. It must be freed when you're
+//   finished with it.
+// If you pass in NULL or the new string can't be allocated,
+//   it returns NULL.
+
+char *remove_ext (char* mystr, char dot, char sep) {
+	char *retstr, *lastdot, *lastsep;
+
+	// Error checks and allocate string.
+	if (mystr == NULL)
+		return NULL;
+	if ((retstr = malloc(strlen (mystr) + 1)) == NULL)
+		return NULL;
+
+	// Make a copy and find the relevant characters.
+
+	strcpy (retstr, mystr);
+	lastdot = strrchr (retstr, dot);
+	lastsep = (sep == 0) ? NULL : strrchr (retstr, sep);
+
+	// If it has an extension separator.
+
+	if (lastdot != NULL) {
+		// and it's before the extenstion separator.
+
+		if (lastsep != NULL) {
+			if (lastsep < lastdot) {
+				// then remove it.
+
+				*lastdot = '\0';
+			}
+		} else {
+			// Has extension separator with no path separator.
+
+			*lastdot = '\0';
+		}
+	}
+
+	// Return the modified string.
+	free(mystr);
+	return retstr;
+}
+
+
+//from http://quiz.geeksforgeeks.org/c-program-cyclically-rotate-array-one/
+void rotateR(byte *arr, byte n)
+{
+	byte x = arr[n-1], i;
+	for (i = n-1; i > 0; i--)
+		arr[i] = arr[i-1];
+	arr[0] = x;
+}
+
+void rotateL(byte *arr, byte n)
+{
+	byte x = arr[n+1], i;
+	for (i = n+1; i > 0; i++)
+		arr[i] = arr[i+1];
+	arr[0] = x;
+}
+
 void printmeminfoline(byte *strc, const byte *pee, size_t h_total, size_t h_used, size_t h_free)
 {
 	byte str[64];
@@ -95,69 +162,7 @@ US_CheckParm(char *parm,char **strings)
 	return(-1);
 }
 
-/*
-==========================
-=
-= Quit
-=
-==========================
-*/
-
-/*void Quit(char *error, ...)
-{
-	short exit_code=0;
-	unsigned	finscreen;
-
-	va_list ap;
-
-	va_start(ap,error);
-
-#ifndef CATALOG
-	if (!error)
-	{
-		CA_SetAllPurge ();
-		CA_CacheGrChunk (PIRACY);
-		finscreen = (unsigned)grsegs[PIRACY];
-	}
-#endif
-
-	//ShutdownId ();
-
-	if (error && *error)
-	{
-		vprintf(error,ap);
-		exit_code = 1;
-	}
-#ifndef CATALOG
-	else
-	if (!NoWait)
-	{
-		movedata (finscreen,0,0xb800,0,4000);
-		bioskey (0);
-	}
-#endif
-
-	va_end(ap);
-
-#ifndef CATALOG
-	if (!error)
-	{
-		_argc = 2;
-		_argv[1] = "LAST.SHL";
-		_argv[2] = "ENDSCN.SCN";
-		_argv[3] = NULL;
-		if (execv("LOADSCN.EXE", _argv) == -1)
-		{
-			clrscr();
-			puts("Couldn't find executable LOADSCN.EXE.\n");
-			exit(1);
-		}
-	}
-#endif
-
-	exit(exit_code);
-}*/
-
+// for input test //
 byte dirchar(byte in)
 {
 	byte out;
@@ -181,3 +186,172 @@ byte dirchar(byte in)
 	}
 	return out;
 }
+
+//from: http://stackoverflow.com/questions/5349896/print-a-struct-in-c
+void print_mem(void const *vp, size_t n)
+{
+	size_t i;
+	unsigned char const *p = vp;
+	for (i=0; i<n; i++)
+	{
+		printf("%02x", p[i]);
+		//printf("%c", p[i]);
+		if((!(i%16)) && i) printf("\n");
+		else printf(" ");
+		//printf("%u%%40=%u\n", i, i%40);
+	}
+	putchar('\n');
+	printf("\nstruct size is %zu bytes\n", n);
+};
+
+//from: https://groups.google.com/forum/#!topic/comp.lang.asm.x86/QtuVXl43nDo
+void hres (void)
+{
+	__asm {
+		mov	ax,3
+		int	10h
+		mov	ax,1112h
+		xor	bx,bx
+		int	10h
+	}
+}
+
+//#define REGIDUMP_HEX
+#define REGIDUMP_DUMPFLAGS
+//#define REGIDUMP_USE_CAPS	//uncomment to use the assembly
+//regester dump~
+void regidump()
+{
+	//GENERAL PURPOSE
+	unsigned short _ax,_bx,_cx,_dx;
+#ifndef __BORLANDC__
+	unsigned short _cflag;
+#endif
+	unsigned char _al,_ah,_bl,_bh,_cl,_ch,_dl,_dh;
+
+	unsigned short _bp,_si,_di,_sp;
+
+	unsigned short _cs_,_ds_,_es_,_ss_;	//SEGMENT
+//	unsigned short _ip;	//SPECIAL PURPOSE
+	_ax=_bx=_cx=_dx=_si=_di=_bp=_sp=_cs_=_ds_=_es_=_ss_=0;
+#ifndef __BORLANDC__
+	_cflag=0;
+#endif
+	_ah=_al=_bh=_bl=_ch=_cl=_dh=_dl=0;
+
+#ifndef REGIDUMP_USE_CAPS
+	__asm {
+		mov _ax,ax
+		mov _bx,bx
+		mov _cx,cx
+		mov _dx,dx
+
+		mov _si,si
+		mov _di,di
+
+		/*mov _ip,ip
+
+		mov _cf,cf
+		mov _pf,pf
+		mov _af,af
+		mov _zf,zf
+		mov _sf,sf
+		mov _tf,tf
+		mov _if,if
+		mov _df,df
+		mov _of,of*/
+		mov _ah,ah
+		mov _al,al
+		mov _bh,bh
+		mov _bl,bl
+		mov _ch,ch
+		mov _cl,cl
+		mov _dh,dh
+		mov _dl,dl
+	}
+#else
+_ax=_AX;
+_bx=_BX;
+_cx=_CX;
+_dx=_DX;
+
+_si=_SI;
+_di=_DI;
+
+_ah=_AH;
+_al=_AL;
+_bh=_BH;
+_bl=_BL;
+_ch=_CH;
+_cl=_CL;
+_dh=_DH;
+_dl=_DL;
+#endif
+#ifndef __BORLANDC__
+	_cflag=_CFLAG;
+#endif
+	__asm {
+		mov _bp,bp
+		mov _sp,sp
+
+		mov _cs_,cs
+		mov _ds_,ds
+		mov _es_,es
+		mov _ss_,ss
+	}
+//	printf("integer values:	ax=%04d	bx=%04d	cx=%04d	dx=%04d\n", a, b, c, d);
+//	printf("unsigned values:ax=%04u	bx=%04u	cx=%04u	dx=%04u\n", a, b, c, d);
+	printf("================================================================================");
+	printf("16 bit 8088 register values\n");
+	printf("================================================================================");
+	printf("general purpose:\n");
+#ifndef REGIDUMP_HEX
+	printf("	ax=%04u\n	bx=%04u\n	cx=%04u\n	dx=%04u\n\n", _ax, _bx, _cx, _dx);
+	printf("	si=%04u\n	di=%04u\n	bp=%04u\n	sp=%04u\n", _si, _di, _bp, _sp);
+#else
+	printf("	ax=%04x\n	bx=%04x\n	cx=%04x\n	dx=%04x\n\n", _ax, _bx, _cx, _dx);
+	printf("	si=%04x\n	di=%04x\n	bp=%04x\n	sp=%04x\n", _si, _di, _bp, _sp);
+#endif
+	printf("		---------------------------------------\n");
+
+
+
+	printf("segment:\n");
+#ifndef REGIDUMP_HEX
+	//printf("	cs=%04u\n	ds=%04u\n	es=%04u\n	ss=%04u\n", _cs_, _ds, _es_, _ss_);
+	printf("	cs=%04u\n", _cs_);	printf("	ds=%04u\n", _ds_);	printf("	es=%04u\n", _es_);	printf("	ss=%04u\n", _ss_);
+#else
+	//printf("	cs=%04x\n	ds=%04x\n	es=%04x\n	ss=%04x\n", _cs_, _ds_, _es_, _ss_);
+	printf("	cs=%04x\n", _cs_);	printf("	ds=%04x\n", _ds_);	printf("	es=%04x\n", _es_);	printf("	ss=%04x\n", _ss_);
+#endif
+	printf("		---------------------------------------\n");
+
+
+#ifndef __BORLANDC__
+	printf("cflags:\n");
+/*	printf("	ip=%04u\n\n", _ip);
+	printf("	cf=%04u\npf=%04u\naf=%04u\nzf=%04u\nsf=%04u\ntf=%04u\nif=%04u\ndf=%04u\nof=%04u\n", _cf, _pf, _af, _zf, _sf, _tf, _if, _df, _of);
+	printf("		---------------------------------------\n");*/
+#ifdef REGIDUMP_DUMPFLAGS
+#ifndef REGIDUMP_HEX
+//	printf("	ip=%04u\n\n", _IP);
+//	printf("	cf=%04u\npf=%04u\naf=%04u\nzf=%04u\nsf=%04u\ntf=%04u\nif=%04u\ndf=%04u\nof=%04u\n", _CF, _PF, _AF, _ZF, _SF, _TF, _IF, _DF, _OF);
+
+	printf("cflag: "BYTE_TO_BINARY_PATTERN""BYTE_TO_BINARY_PATTERN"\n",		BYTE_TO_BINARY(_cflag>>8), BYTE_TO_BINARY(_cflag));
+#else
+//	printf("	ip=%04x\n\n", _IP);
+//	printf("	cf=%04x\npf=%04x\naf=%04x\nzf=%04x\nsf=%04x\ntf=%04x\nif=%04x\ndf=%04x\nof=%04x\n", _CF, _PF, _AF, _ZF, _SF, _TF, _IF, _DF, _OF);
+	printf("cflag: %016x\n",(_cflag));
+	printf("	ahl=%016x", _al|(_ah<<4));
+#endif
+	printf("testing\n");
+//	printf("dx: "NIBBLE_TO_BINARY_PATTERN""NIBBLE_TO_BINARY_PATTERN"\n",		NIBBLE_TO_BINARY(_dx>>4), NIBBLE_TO_BINARY(_dx));
+//	printf("dx: "BYTE_TO_BINARY_PATTERN""BYTE_TO_BINARY_PATTERN"\n",		BYTE_TO_BINARY(_dx>>8), BYTE_TO_BINARY(_dx));
+	printf("dx: "WORD_TO_BINARY_PATTERN"\n",		WORD_TO_BINARY(_dx));
+	printf("		---------------------------------------\n");
+#endif
+#endif
+
+	printf("for more info see\n	http://stackoverflow.com/questions/9130349/how-many-registers-are-there-in-8086-8088\n");
+	printf("================================================================================");
+}