'Donkey' game src is updated. Could be compiled automatically.

git-svn-id: svn://kolibrios.org@1808 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/games/donkey/c_code.c

@@ -1,10 +1,9 @@
 
-#include "kolibri.h"
+#include "system/kolibri.h"
-#include "stdio.h"
+#include "system/stdlib.h"
-#include "stdlib.h"
+#include "system/string.h"
-#include "string.h"
 
-#include "gblib.h"
+#include "system/gblib.h"
 
 #include "car_01.h"
 #include "car_02.h"

programs/games/donkey/compile.bat

@@ -1,5 +1,12 @@
-fasm asm_code.asm
+del *.o
+fasm asm_code.asm asm_code.o
 gcc -c c_code.c
-ld -nostdlib -T kolibri.ld -o donkey.kex asm_code.obj kolibri.o stdlib.o string.o gblib.o c_code.o
+gcc -c system/kolibri.c
-objcopy donkey.kex -O binary
+gcc -c system/stdlib.c
+gcc -c system/string.c
+gcc -c system/gblib.c
+ld -nostdlib -T kolibri.ld -o donkey asm_code.o kolibri.o stdlib.o string.o gblib.o c_code.o
+objcopy donkey -O binary
+kpack donkey
+del *.o
 pause

programs/games/donkey/string.h

@@ -1,9 +0,0 @@
-
-void*  memset(void *mem, int c, unsigned size);
-void* memcpy(void *dst, const void *src, unsigned size);
-
-char* strcat(char* strDest, const char* strSource);
-int strcmp(const char* string1, const char* string2);
-char* strcpy(char *strDest, const char *strSource);
-char* strncpy(char *strDest, const char *strSource, unsigned n);
-int strlen(const char* string);

programs/games/donkey/system/gblib.c

@@ -0,0 +1,236 @@
+
+#include "gblib.h"
+
+//=========================
+
+void gb_pixel_set(GB_BMP *b, int x, int y, unsigned c)
+{
+// ïîñòàâèòü òî÷êó
+
+unsigned s;
+
+if ((x+1 > b->w )||(y+1 > b->h))
+	return;
+
+if ((x < 0)||(y < 0))
+	return;
+
+s = 3*( y*(b->w) + x );
+
+*( b -> bmp + s ) = c & 0xff;
+*( b -> bmp + s + 1) = (c >> 8) & 0xff;
+*( b -> bmp + s + 2) = (c >> 16)& 0xff;
+
+}
+
+//=========================
+
+int gb_pixel_get(GB_BMP *b, int x, int y, unsigned *c)
+{
+// ïîëó÷èòü òî÷êó
+
+unsigned red, green, blue, s;
+
+if ((x < 0) || (y < 0))
+	return 0;
+
+if ((x+1 > b->w )||(y+1 > b->h))
+	return 0;
+
+s = 3*( y*(b->w) + x );
+
+blue  = *( b -> bmp + s );
+green = *( b -> bmp + s + 1);
+red   = *( b -> bmp + s + 2);
+
+*c = ((red << 16) & 0xff0000) | ((green << 8) & 0xff00) | (blue & 0xff);
+
+return 1;
+}
+
+//=========================
+
+void gb_line(GB_BMP *b, int x1, int y1, int x2, int y2, unsigned c)
+{
+// ëèíèÿ çàäàííîãî öâåòà ñ èñïîëüçîâàíèåì 
+// àëãîpèòìà Áðåçåíõýìà
+
+int t, dist;
+int xerr=0, yerr=0, delta_x, delta_y;
+int incx, incy;
+
+// âû÷èñëåíèå pàññòîÿíèÿ â îáîèõ íàïpàâëåíèÿõ
+delta_x = x2 - x1;
+delta_y = y2 - y1;
+
+// îïpåäåëåíèå íàïpàâëåíèÿ øàãà,
+// øàã âû÷èñëÿåòñÿ ëèáî ïî âåpòèêàëüíîé, ëèáî ãîpèçîíòàëüíîé
+// ëèíèè
+if (delta_x > 0) 
+	incx = 1;
+else  
+	if (0 == delta_x) 
+		incx = 0;
+	else
+		incx = -1;
+
+if (delta_y > 0) 
+	incy = 1;
+else
+	if ( 0 == delta_y) 
+		incy = 0;
+	else
+		incy = -1;
+
+// îïpåäåëåíèå íàèáîëüøåãî pàññòîÿíèÿ
+if (delta_x < 0)
+	delta_x *= -1;
+if (delta_y < 0)
+	delta_y *= -1;
+
+if (delta_x > delta_y) 
+	dist = delta_x;
+else 
+	dist = delta_y;
+
+
+// âû÷åp÷èâàíèå ëèíèè
+for (t = 0; t <= dist+1; t++)
+	{
+	gb_pixel_set(b, x1, y1, c);
+	xerr+=delta_x;
+	yerr+=delta_y;
+
+	if (xerr > dist) 
+		{
+		xerr -= dist;
+		x1 += incx;
+		}
+
+	if (yerr > dist) 
+		{
+		yerr -= dist;
+		y1 += incy;
+		}
+
+	}
+}
+
+//=========================
+
+void gb_rect(GB_BMP *b, int x, int y, int w, int h, unsigned c)
+{
+// ïðÿìîóãîëüíèê
+
+gb_line (b, x,     y,     x+w-1, y,     c);
+gb_line (b, x,     y+h-1, x+w-1, y+h-1, c);
+gb_line (b, x,     y,     x,     y+h-1, c);
+gb_line (b, x+w-1, y,     x+w-1, y+h-1, c);
+}
+
+//=========================
+
+void gb_circle(GB_BMP *b, int x, int y, int r, unsigned c)
+{
+
+int _x;
+int _y;
+int d;
+
+_x = 0;
+_y = r;
+d = 3-2*r;
+while( _y >= _x)
+	{
+	gb_pixel_set(b,  _x + x,  _y + y, c);
+	gb_pixel_set(b,  _x + x, -_y + y, c);
+	gb_pixel_set(b, -_x + x,  _y + y, c);
+	gb_pixel_set(b, -_x + x, -_y + y, c);
+	gb_pixel_set(b,  _y + x,  _x + y, c);
+	gb_pixel_set(b,  _y + x, -_x + y, c);
+	gb_pixel_set(b, -_y + x,  _x + y, c);
+	gb_pixel_set(b, -_y + x, -_x + y, c);
+	if( d<0 )
+		d = d+4*_x+6;
+        else
+		{
+		d = d+4*(_x-_y)+10;
+		_y--;
+		}
+	_x++;
+	}
+
+}
+
+//=========================
+
+void gb_bar(GB_BMP *b, int x, int y, int w, int h, unsigned c)
+{
+// çàêðàøåííûé ïðÿìîóãîëüíèê
+
+unsigned s;
+int i, j;
+
+if ((x > b->w)||(y > b->h))
+	return;
+
+for (j = 0; j < w; j++)
+for (i = 0; i < h; i++)
+//	gb_pixel_set(b, x+j, y+i, c);
+	{
+	s = 3*( (y+i)*(b->w) + x + j );
+
+	*( b -> bmp + s ) = c & 0xff;
+	*( b -> bmp + s + 1) = (c >> 8) & 0xff;
+	*( b -> bmp + s + 2) = (c >> 16)& 0xff;
+
+	}
+}
+
+//=========================
+
+void gb_image_set(GB_BMP *b_dest, int x_d, int y_d, GB_BMP *b_src, int x_s, int y_s, int w, int h)
+{
+// âûâîä èçîáðàæåíèÿ
+
+int x, y;
+unsigned d;
+
+if ((x_d > b_dest->w)||(y_d > b_dest->h))
+	return;
+
+if ((x_s > b_src->w)||(y_s > b_src->h))
+	return;
+
+for (y = 0; y < h; y++)
+	for (x = 0; x < w; x++)
+		if ( gb_pixel_get(b_src, x_s+x, y_s+y, &d) )
+			gb_pixel_set(b_dest, x_d+x, y_d+y, d);
+
+
+}
+
+//=========================
+
+void gb_image_set_t(GB_BMP *b_dest, int x_d, int y_d, GB_BMP *b_src, int x_s, int y_s, int w, int h, unsigned c)
+{
+// âûâîä èçîáðàæåíèÿ ñ ïðîçðà÷íûì öâåòîì
+
+int x, y;
+unsigned d;
+
+if ((x_d > b_dest->w)||(y_d > b_dest->h))
+	return;
+
+if ((x_s > b_src->w)||(y_s > b_src->h))
+	return;
+
+for (y = 0; y < h; y++)
+	for (x = 0; x < w; x++)
+		if ( gb_pixel_get(b_src, x_s+x, y_s+y, &d) )
+			if (c != d)
+				gb_pixel_set(b_dest, x_d+x, y_d+y, d);
+
+
+}
+

programs/games/donkey/system/gblib.h

@@ -7,10 +7,19 @@ char *bmp    __attribute__((packed));
 char *alpha  __attribute__((packed));
 } GB_BMP     __attribute__((packed));
 
+
 void gb_pixel_set(GB_BMP *b, int x, int y, unsigned c);
+
 int  gb_pixel_get(GB_BMP *b, int x, int y, unsigned *c);
+
 void gb_line(GB_BMP *b, int x1, int y1, int x2, int y2, unsigned c);
+
 void gb_rect(GB_BMP *b, int x, int y, int w, int h, unsigned c);
+
 void gb_bar(GB_BMP *b, int x, int y, int w, int h, unsigned c);
+
+void gb_circle(GB_BMP *b, int x, int y, int r, unsigned c);
+
 void gb_image_set(GB_BMP *b_dest, int x_d, int y_d, GB_BMP *b_src, int x_s, int y_s, int w, int h);
+
 void gb_image_set_t(GB_BMP *b_dest, int x_d, int y_d, GB_BMP *b_src, int x_s, int y_s, int w, int h, unsigned c);

programs/games/donkey/system/kolibri.c

@@ -0,0 +1,422 @@
+
+#include "kolibri.h"
+#include "string.h"
+
+
+extern char KOL_PATH[256];
+extern char KOL_PARAM[256];
+extern char KOL_DIR[256];
+
+
+void kol_exit()
+{
+asm ("int $0x40"::"a"(-1));
+}
+
+
+void kol_sleep(unsigned d)
+{
+asm ("int $0x40"::"a"(5), "b"(d));
+}
+
+
+void kol_wnd_define(unsigned x, unsigned y, unsigned w, unsigned h, unsigned c)
+{
+asm ("nop"::"a"(0), "b"(x*65536+w), "c"(y*65536+h), "d"(c));
+asm ("movl $0xffffff, %esi \n int $0x40");
+}
+
+
+void kol_wnd_move(unsigned x, unsigned y)
+{
+asm ("nop"::"a"(67), "b"(x), "c"(y));
+asm ("movl $-1, %edx \n movl $-1, %esi \n int $0x40");
+}
+
+
+void kol_event_mask(unsigned e)
+{
+asm ("int $0x40"::"a"(40), "b"(e));
+}
+
+
+unsigned kol_event_wait()
+{
+asm ("int $0x40"::"a"(10));
+}
+
+
+unsigned kol_event_wait_time(unsigned time)
+{
+asm ("int $0x40"::"a"(23), "b"(time));
+}
+
+
+unsigned kol_event_check()
+{
+asm ("int $0x40"::"a"(11));
+}
+
+
+void kol_paint_start()
+{
+asm ("int $0x40"::"a"(12), "b"(1));
+}
+
+
+void kol_paint_end()
+{
+asm ("int $0x40"::"a"(12), "b"(2));
+}
+
+
+void kol_paint_pixel(unsigned x, unsigned y, unsigned c)
+{
+asm ("int $0x40"::"a"(1), "b"(x), "c"(y), "d"(c));
+}
+
+
+void kol_paint_bar(unsigned x, unsigned y, unsigned w, unsigned h, unsigned c)
+{
+asm ("int $0x40"::"a"(13), "b"(x*65536+w), "c"(y*65536+h), "d"(c));
+}
+
+
+void kol_paint_line(unsigned x1, unsigned y1, unsigned x2, unsigned y2, unsigned c)
+{
+asm ("int $0x40"::"a"(38), "b"(x1*65536+x2), "c"(y1*65536+y2), "d"(c));
+}
+
+
+void kol_paint_string(unsigned x, unsigned y, char *s, unsigned c)
+{
+asm ("int $0x40"::"a"(4), "b"(x*65536+y), "c"(c), "d"(s));
+}
+
+
+void kol_paint_image(unsigned x, unsigned y, unsigned w, unsigned h, char *d)
+{
+asm ("int $0x40"::"a"(7), "c"(w*65536+h), "d"(x*65536+y), "b"(d));
+}
+
+
+void kol_paint_image_pal(unsigned x, unsigned y, unsigned w, unsigned h, char *d, unsigned *palette)
+{
+asm ("nop"::"c"(w*65536+h), "d"(x*65536+y), "b"(d));
+asm ("nop"::"a"(palette));
+asm ("movl %eax, %edi");
+asm ("xor %eax, %eax");
+asm ("movl %eax, %ebp");
+asm ("pushl $8");
+asm ("popl %esi");
+asm ("int $0x40"::"a"(65));
+}
+
+
+unsigned kol_key_get()
+{
+asm ("int $0x40"::"a"(2));
+}
+
+
+unsigned kol_key_control()
+{
+asm ("int $0x40"::"a"(66), "b"(3));
+}
+
+
+void kol_key_lang_set(unsigned lang)
+{
+asm ("int $0x40"::"a"(21), "b"(2), "c"(9), "d"(lang));
+}
+
+
+unsigned kol_key_lang_get()
+{
+asm ("int $0x40"::"a"(26), "b"(2), "c"(9));
+}
+
+
+void kol_key_mode_set(unsigned mode)
+{
+asm ("int $0x40"::"a"(66), "b"(1), "c"(mode));
+}
+
+
+unsigned kol_key_mode_get()
+{
+asm ("int $0x40"::"a"(66), "b"(2));
+}
+
+
+unsigned kol_btn_get()
+{
+asm ("int $0x40"::"a"(17));
+}
+
+
+void kol_btn_define(unsigned x, unsigned y, unsigned w, unsigned h, unsigned d, unsigned c)
+{
+asm ("nop"::"b"(x*65536+w), "c"(y*65536+h), "d"(d));
+asm ("nop"::"a"(c));
+asm ("movl %eax, %esi");
+asm ("int $0x40"::"a"(8));
+}
+
+
+void kol_btn_type(unsigned t)
+{
+asm ("int $0x40"::"a"(48), "b"(1), "c"(t));
+}
+
+
+void kol_wnd_caption(char *s)
+{
+asm ("int $0x40"::"a"(71), "b"(1), "c"(s));
+}
+
+
+unsigned kol_mouse_pos()
+{
+asm ("int $0x40"::"a"(37), "b"(0));
+}
+
+
+unsigned kol_mouse_posw()
+{
+asm ("int $0x40"::"a"(37), "b"(1));
+}
+
+
+unsigned kol_mouse_btn()
+{
+asm ("int $0x40"::"a"(37), "b"(2));
+}
+
+
+void kol_board_putc(char c)
+{
+asm ("int $0x40"::"a"(63), "b"(1), "c"(c));
+}
+
+
+void kol_board_puts(char *s)
+{
+unsigned i;
+i = 0;
+while (*(s+i))
+	{
+	asm ("int $0x40"::"a"(63), "b"(1), "c"(*(s+i)));
+	i++;
+	}
+}
+
+
+void kol_board_puti(int n)
+{
+char c;
+int i = 0;
+do 
+	{
+	c = n % 10 + '0';
+	asm ("int $0x40"::"a"(63), "b"(1), "c"(c));
+	i++;
+	}
+	while ((n /= 10) > 0);
+}
+
+
+int kol_file_70(kol_struct70 *k)
+{
+asm ("int $0x40"::"a"(70), "b"(k));
+}
+
+
+kol_struct_import* kol_cofflib_load(char *name)
+{
+asm ("int $0x40"::"a"(68), "b"(19), "c"(name));
+}
+
+
+void* kol_cofflib_procload (kol_struct_import *imp, char *name)
+{
+int i;
+for (i=0;;i++)
+	if ( NULL == ((imp+i) -> name))
+		break;
+	else
+		if ( 0 == strcmp(name, (imp+i)->name) )
+			return (imp+i)->data;
+return NULL;
+}
+
+
+unsigned kol_cofflib_procnum (kol_struct_import *imp)
+{
+unsigned i, n;
+
+for (i=n=0;;i++)
+	if ( NULL == ((imp+i) -> name))
+		break;
+	else
+		n++;
+
+return n;
+}
+
+
+void kol_cofflib_procname (kol_struct_import *imp, char *name, unsigned n)
+{
+unsigned i;
+*name = 0;
+
+for (i=0;;i++)
+	if ( NULL == ((imp+i) -> name))
+		break;
+	else
+		if ( i == n )
+			{
+			strcpy(name, ((imp+i)->name));
+			break;
+			}
+
+}
+
+
+unsigned kol_system_cpufreq()
+{
+asm ("int $0x40"::"a"(18), "b"(5));
+}
+
+
+unsigned kol_system_mem()
+{
+asm ("int $0x40"::"a"(18), "b"(17));
+}
+
+
+unsigned kol_system_memfree()
+{
+asm ("int $0x40"::"a"(18), "b"(16));
+}
+
+
+unsigned kol_system_time_get()
+{
+asm ("int $0x40"::"a"(3));
+}
+
+
+unsigned kol_system_date_get()
+{
+asm ("int $0x40"::"a"(29));
+}
+
+
+unsigned kol_system_end(unsigned param)
+{
+asm ("int $0x40"::"a"(18), "b"(9), "c"(param));
+}
+
+
+void kol_path_file2dir(char *dir, char *fname)
+{
+unsigned i;
+strcpy (dir, fname);
+for ( i = strlen(dir);; --i)
+	if ( '/' == dir[i])
+		{
+		dir[i] = '\0';
+		return;
+		}
+}
+
+
+void kol_path_full(char *full, char *fname)
+{
+char temp[256];
+
+switch (*fname)
+{
+
+case '/':
+	strncpy(temp, fname+1, 2);
+	temp[2]=0;
+	if ( (!strcmp("rd", temp)) || (!strcmp("hd", temp)) || (!strcmp("cd", temp)) )
+		strcpy (full, fname);
+	break;
+
+case '.':
+	break;
+
+default:
+	break;
+
+};
+
+}
+
+
+
+void kol_screen_wait_rr()
+{
+asm ("int $0x40"::"a"(18), "b"(14));
+}
+
+
+
+void kol_screen_get_size(unsigned *w, unsigned *h)
+{
+unsigned size;
+asm ("int $0x40":"=a"(size):"a"(14));
+*w = size / 65536;
+*h = size % 65536;
+}
+
+
+
+unsigned kol_skin_height()
+{
+asm ("int $0x40"::"a"(48), "b"(4));
+}
+
+
+unsigned kol_thread_start(unsigned start, unsigned stack)
+{
+asm ("int $0x40"::"a"(51), "b"(1), "c"(start), "d"(stack));
+}
+
+
+unsigned kol_time_tick()
+{
+asm ("int $0x40"::"a"(26), "b"(9));
+}
+
+
+unsigned kol_sound_speaker(char data[])
+{
+asm ("movl %0, %%esi"::"a"(data));
+asm ("int $0x40"::"a"(55), "b"(55));
+}
+
+
+unsigned kol_process_info(unsigned slot, char buf1k[])
+{
+asm ("int $0x40"::"a"(9), "b"(buf1k), "c"(slot));
+}
+
+
+int kol_process_kill_pid(unsigned process)
+{
+asm ("int $0x40"::"a"(18), "b"(18), "c"(process));
+}
+
+int kol_kill_process(unsigned process)
+{
+asm ("int $0x40"::"a"(18), "b"(2), "c"(process));
+}
+
+void kol_get_kernel_ver(char buff16b[])
+{
+asm ("int $0x40"::"a"(18), "b"(13), "c"(buff16b));
+}

programs/games/donkey/system/kolibri.h

@@ -25,6 +25,7 @@ unsigned	p20 __attribute__((packed));
 unsigned	p24 __attribute__((packed));
 unsigned	p28 __attribute__((packed));
 unsigned	p32[2] __attribute__((packed));
+unsigned	p40 __attribute__((packed));
 } kol_struct_BDVK __attribute__((packed));
 
 typedef struct
@@ -37,6 +38,7 @@ void	*data __attribute__((packed));
 void kol_exit();
 void kol_sleep(unsigned d);
 void kol_wnd_define(unsigned x, unsigned y, unsigned w, unsigned h, unsigned c);
+void kol_wnd_move(unsigned x, unsigned y);
 void kol_wnd_caption(char *s);
 void kol_event_mask(unsigned e);
 unsigned kol_event_wait();
@@ -49,7 +51,13 @@ void kol_paint_bar(unsigned x, unsigned y, unsigned w, unsigned h, unsigned c);
 void kol_paint_line(unsigned x1, unsigned y1, unsigned x2, unsigned y2, unsigned c);
 void kol_paint_string(unsigned x, unsigned y, char *s, unsigned c);
 void kol_paint_image(unsigned x, unsigned y, unsigned w, unsigned h, char *d);
+void kol_paint_image_pal(unsigned x, unsigned y, unsigned w, unsigned h, char *d, unsigned *palette);
 unsigned kol_key_get();
+unsigned kol_key_control();
+void kol_key_lang_set(unsigned lang);
+unsigned kol_key_lang_get();
+void kol_key_mode_set(unsigned mode);
+unsigned kol_key_mode_get();
 void kol_btn_define(unsigned x, unsigned y, unsigned w, unsigned h, unsigned d, unsigned c);
 unsigned kol_btn_get();
 void kol_btn_type(unsigned t);
@@ -58,16 +66,27 @@ unsigned kol_mouse_posw();
 unsigned kol_mouse_btn();
 void kol_board_putc(char c);
 void kol_board_puts(char *s);
-unsigned kol_file_70(kol_struct70 *k);
+void kol_board_puti(int n);
+int kol_file_70(kol_struct70 *k);
 kol_struct_import* kol_cofflib_load(char *name);
 void* kol_cofflib_procload (kol_struct_import *imp, char *name);
 unsigned kol_cofflib_procnum (kol_struct_import *imp);
 void kol_cofflib_procname (kol_struct_import *imp, char *name, unsigned n);
+unsigned kol_system_end(unsigned param);
 unsigned kol_system_cpufreq();
 unsigned kol_system_mem();
 unsigned kol_system_memfree();
 unsigned kol_system_time_get();
+unsigned kol_system_date_get();
 void kol_path_file2dir(char *dir, char *fname);
 void kol_path_full(char *full, char *fname);
 void kol_screen_wait_rr();
+void kol_screen_get_size(unsigned *w, unsigned *h);
 unsigned kol_skin_height();
+unsigned kol_thread_start(unsigned start, unsigned stack);
+unsigned kol_time_tick();
+unsigned kol_sound_speaker(char data[]);
+unsigned kol_process_info(unsigned slot, char buf1k[]);
+int kol_process_kill_pid(unsigned process);
+void kol_get_kernel_ver(char buff16b[]);
+int kol_kill_process(unsigned process);

programs/games/donkey/system/stdlib.c

@@ -0,0 +1,33 @@
+
+unsigned int seed_o = 0x45168297;
+
+
+void srand (unsigned seed)
+{
+seed_o = seed;
+}
+
+
+int rand (void)
+{
+seed_o = seed_o * 0x15a4e35 + 1;
+return(seed_o >> 16);
+}
+
+
+void* malloc(unsigned s)
+{
+asm ("int $0x40"::"a"(68), "b"(12), "c"(s) );
+}
+
+
+void free(void *p)
+{
+asm ("int $0x40"::"a"(68), "b"(13), "c"(p) );
+}
+
+
+void* realloc(void *p, unsigned s)
+{
+asm ("int $0x40"::"a"(68), "b"(12), "c"(p), "d"(s) );
+}

programs/games/donkey/system/string.c

@@ -0,0 +1,124 @@
+
+#include "string.h"
+
+void*  memset(void *mem, int c, unsigned size)
+{
+unsigned i;
+
+for ( i = 0; i < size; i++ )
+	 *((char *)mem+i) = (char) c;
+
+return NULL;	
+}
+
+
+void* memcpy(void *dst, const void *src, unsigned size)
+{
+
+unsigned i;
+
+for ( i = 0; i < size; i++)
+	*(char *)(dst+i) = *(char *)(src+i);
+
+return NULL;
+}
+
+
+int memcmp(const void* buf1, const void* buf2, int count)
+{
+int i;
+for (i=0;i<count;i++)
+	{
+	if (*(unsigned char*)buf1<*(unsigned char*)buf2)
+		return -1;
+	if (*(unsigned char*)buf1>*(unsigned char*)buf2)			
+		return 1;
+	}
+return 0;
+}
+
+void strcat(char strDest[], char strSource[])
+{
+
+int i, j;
+ 
+i = j = 0;
+while (strDest[i] != '\0')
+	i++;
+
+while ((strDest[i++] = strSource[j++]) != '\0')
+             ;
+}
+
+
+int strcmp(const char* string1, const char* string2)
+{
+
+while (1)
+{
+if (*string1<*string2)
+	return -1;
+if (*string1>*string2)
+	return 1;
+
+if (*string1=='\0')
+	return 0;
+
+string1++;
+string2++;
+}
+
+}
+
+
+void strcpy(char strDest[], const char strSource[])
+{
+unsigned i;
+
+i = 0;
+while ((strDest[i] = strSource[i]) != '\0')
+	i++;
+
+}
+
+
+char* strncpy(char *strDest, const char *strSource, unsigned n)
+{
+unsigned i;
+
+if (! n )
+	return strDest;
+
+i = 0;
+while ((strDest[i] = strSource[i]) != '\0')
+	if ( (n-1) == i )
+		break;
+	else
+		i++;
+
+return strDest;
+}
+
+
+int strlen(const char* string)
+{
+int i;
+
+i=0;
+while (*string++) i++;
+return i;
+}
+
+
+
+char* strchr(const char* string, int c)
+{
+	while (*string)
+	{
+		if (*string==c)
+			return (char*)string;
+		string++;
+	}	
+	return (char*)0;
+}
+

programs/games/donkey/system/string.h

@@ -0,0 +1,15 @@
+
+#ifndef NULL
+#define NULL ((void*)0)
+#endif
+
+void*  memset(void *mem, int c, unsigned size);
+void* memcpy(void *dst, const void *src, unsigned size);
+int memcmp(const void* buf1, const void* buf2, int count);
+
+void strcat(char strDest[], char strSource[]);
+int strcmp(const char* string1, const char* string2);
+void strcpy(char strDest[], const char strSource[]);
+char* strncpy(char *strDest, const char *strSource, unsigned n);
+int strlen(const char* string);
+char *strchr(const char* string, int c);