void clrcmdline(char * const str, const unsigned orgx, const unsigned orgy)
{
if(str) {
goxy(orgx, orgy);
fputmc(' ', strlen(str) + 1, stdout);
strset(str, 0);
}
goxy(orgx, orgy);
}
void clrcmdline(char * const str, const int maxlen
, const unsigned orgx, const unsigned orgy)
{
assert(str);
goxy(orgx, orgy);
fputmc(' ', strlen(str) + 1, stdout);
memset(str, 0, maxlen);
goxy(orgx, orgy);
}
//**************************Ö÷º¯Êý********************************
void main()
{
init_1602();
//initDisplay();
delay(500);
goxy(1,0);
write_cmd(0x01);
show("zhaoyongke");
goxy(2,0);
show(" www.ysu.edu.cn ");
delay(4000);
while(1);
}
int cmd_cls (char * param) {
(void)param;
outc( '\xc' ); /* ^L Form feed */
/* Output stream is neither a file nor NUL nor CLOCK$ */
if(((fdattr(1) ^ 0x80) & (0x80 | 0x08 | 0x04)) == 0) {
/* Now roll the screen */
IREGS r;
r.r_ax = 0x0600; /* Scroll window up // entire window */
r.r_bx = 0x0700; /* Attribute to write */
r.r_cx = 0x0000; /* Upper left */
r.r_dx = ((SCREEN_ROWS - 1) << 8) | (SCREEN_COLS - 1); /* Lower right */
intrpt(0x10, &r);
goxy(1, 1); /* home the cursor */
}
return 0;
}
/* read in a command line */
void readcommandEnhanced(char * const str, const int maxlen)
{
unsigned char insert = 1;
unsigned ch;
#ifdef FEATURE_FILENAME_COMPLETION
unsigned lastch = 0;
#endif
#ifdef FEATURE_HISTORY
int histLevel = 0;
char prvLine[MAX_INTERNAL_COMMAND_SIZE];
#endif
unsigned curx;
unsigned cury;
int count;
unsigned current = 0;
unsigned charcount = 0;
assert(str);
assert(maxlen <= MAX_INTERNAL_COMMAND_SIZE);
/* if echo off, don't print prompt */
if(echo)
printprompt();
orgx = wherex();
orgy = wherey();
memset(str, 0, maxlen);
_setcursortype(_NORMALCURSOR);
#ifdef FEATURE_HISTORY
histGet(histLevel - 1, prvLine, sizeof(prvLine));
#endif
do {
ch = cgetchar();
if(cbreak)
ch = KEY_CTL_C;
switch(ch) {
case KEY_BS: /* delete character to left of cursor */
if(current > 0 && charcount > 0) {
if(current == charcount) { /* if at end of line */
str[current - 1] = 0;
if (wherex() != 1)
outs("\b \b");
else
{
goxy(MAX_X, wherey() - 1);
outblank();
goxy(MAX_X, wherey() - 1);
}
}
else
{
for (count = current - 1; count < charcount; count++)
str[count] = str[count + 1];
if (wherex() != 1)
goxy(wherex() - 1, wherey());
else
goxy(MAX_X, wherey() - 1);
curx = wherex();
cury = wherey();
outsblank(&str[current - 1]);
goxy(curx, cury);
}
charcount--;
current--;
}
break;
case KEY_INSERT: /* toggle insert/overstrike mode */
insert ^= 1;
if (insert)
_setcursortype(_NORMALCURSOR);
else
_setcursortype(_SOLIDCURSOR);
break;
case KEY_DELETE: /* delete character under cursor */
if (current != charcount && charcount > 0)
{
for (count = current; count < charcount; count++)
str[count] = str[count + 1];
charcount--;
curx = wherex();
cury = wherey();
outsblank(&str[current]);
goxy(curx, cury);
}
break;
case KEY_HOME: /* goto beginning of string */
if (current != 0)
{
goxy(orgx, orgy);
current = 0;
}
break;
case KEY_END: /* goto end of string */
if (current != charcount)
{
goxy(orgx, orgy);
outs(str);
current = charcount;
}
break;
#ifdef FEATURE_FILENAME_COMPLETION
case KEY_TAB: /* expand current file name */
if(current == charcount) { /* only works at end of line */
if(lastch != KEY_TAB) { /* if first TAB, complete filename */
complete_filename(str, charcount);
charcount = strlen(str);
current = charcount;
goxy(orgx, orgy);
outs(str);
if ((strlen(str) > (MAX_X - orgx)) && (orgy == MAX_Y + 1))
orgy--;
} else { /* if second TAB, list matches */
if (show_completion_matches(str, charcount))
{
printprompt();
orgx = wherex();
orgy = wherey();
outs(str);
}
}
}
else
beep();
break;
#endif
case KEY_ENTER: /* end input, return to main */
#ifdef FEATURE_HISTORY
if(str[0])
histSet(0, str); /* add to the history */
#endif
outc('\n');
break;
case KEY_CTL_C: /* ^C */
case KEY_ESC: /* clear str Make this callable! */
clrcmdline(str, maxlen, orgx, orgy);
current = charcount = 0;
if(ch == KEY_CTL_C && !echo) {
/* enable echo to let user know that's this
is the command line */
echo = 1;
printprompt();
}
break;
case KEY_RIGHT: /* move cursor right */
if (current != charcount)
{
current++;
if (wherex() == MAX_X)
goxy(1, wherey() + 1);
else
goxy(wherex() + 1, wherey());
break;
}
/* cursor-right at end of string grabs the next character
from the previous line */
/* FALL THROUGH */
#ifndef FEATURE_HISTORY
break;
#else
case KEY_F1: /* get character from last command buffer */
if (current < strlen(prvLine)) {
outc(str[current] = prvLine[current]);
charcount = ++current;
}
break;
case KEY_F3: /* get previous command from buffer */
if(charcount < strlen(prvLine)) {
outs(strcpy(&str[charcount], &prvLine[charcount]));
current = charcount = strlen(str);
}
break;
case KEY_UP: /* get previous command from buffer */
if(!histGet(--histLevel, prvLine, sizeof(prvLine)))
++histLevel; /* failed -> keep current command line */
else {
clrcmdline(str, maxlen, orgx, orgy);
strcpy(str, prvLine);
current = charcount = strlen(str);
outs(str);
histGet(histLevel - 1, prvLine, sizeof(prvLine));
}
break;
case KEY_DOWN: /* get next command from buffer */
if(histLevel) {
clrcmdline(str, maxlen, orgx, orgy);
strcpy(prvLine, str);
histGet(++histLevel, str, maxlen);
current = charcount = strlen(str);
outs(str);
}
break;
case KEY_F5: /* keep cmdline in F3/UP buffer and move to next line */
strcpy(prvLine, str);
clrcmdline(str, maxlen, orgx, orgy);
outc('@');
if(orgy >= MAX_Y) {
outc('\n'); /* Force scroll */
orgy = MAX_Y;
} else {
++orgy;
}
goxy(orgx, orgy);
current = charcount = 0;
break;
#endif
case KEY_LEFT: /* move cursor left */
if(current > 0) {
current--;
if (wherex() == 1)
goxy(MAX_X, wherey() - 1);
else
goxy(wherex() - 1, wherey());
}
break;
case KEY_CTRL_LEFT: /* move cursor left to begin of word */
while(current > 0) {
current--;
if (wherex() == 1)
goxy(MAX_X, wherey() - 1);
else
goxy(wherex() - 1, wherey());
if(isworddelimiter(str[current-1]) /* ignore current == 0 */
&& !isworddelimiter(str[current]))
break;
}
break;
case KEY_CTRL_RIGHT: /* move cursor right to begin of word */
while(current < charcount) {
current++;
if (wherex() == MAX_X)
goxy(1, wherey() + 1);
else
goxy(wherex() + 1, wherey());
if(isworddelimiter(str[current-1])
&& !isworddelimiter(str[current]))
break;
}
break;
default: /* insert character into string... */
if ((ch >= 32 && ch <= 255) && (charcount != (maxlen - 2)))
{
if (insert && current != charcount)
{
for (count = charcount; count > current; count--)
str[count] = str[count - 1];
str[current++] = ch;
curx = wherex() + 1;
cury = wherey();
outs(&str[current - 1]);
if ((strlen(str) > (MAX_X - orgx)) && (orgy == MAX_Y + 1))
cury--;
goxy(curx, cury);
charcount++;
}
else
{
if (current == charcount)
charcount++;
str[current++] = ch;
outc(ch);
}
if ((strlen(str) > (MAX_X - orgx)) && (orgy == MAX_Y + 1))
orgy--;
}
else
beep();
break;
}
#ifdef FEATURE_FILENAME_COMPLETION
lastch = ch;
#endif
} while(ch != KEY_ENTER);
_setcursortype(_NORMALCURSOR);
}
int main()
{
int KeyPress=0;
int CharX; int CharY; int xt; int yt;
int x; int y; int i;
int Tabla[25][15];
for (x=0; x<25; x++) {
for (y=0; y<15; y++) {
Tabla[x][y]=1;
}
}
//Dibujamo una linea superior horizontal
for (i=0; i<25; i++) {
Tabla[i][0]=2;
}
//Dibujamo una linea inferior horizontal
for (i=0; i<25; i++) {
Tabla[i][14]=2;
}
//Dibujamo una linea superior vertical
for (i=0; i<15; i++) {
Tabla[0][i]=2;
}
//Dibujamo una linea inferior vertical
for (i=0; i<15; i++) {
Tabla[24][i]=2;
}
//Dibujamo una linea inferior horizontal en medio de la consola
for (i=5; i<19; i++) {
Tabla[i][7]=2;
}
//Definimos la posición inicial de la "x"
Tabla[4][3]=3;
CharX=4;
CharY=3;
printf("Press Key...");
while (KeyPress!=27)
{
KeyPress = getch();
goxy(0,0);
if (KeyPress==72) { //Arriba
yt = CharY - 1;
if (Tabla[CharX][yt]==1) {
Tabla[CharX][CharY]=1;
CharY=yt;
Tabla[CharX][yt]=3;
}
}
if (KeyPress==80) { //Abajo
yt = CharY + 1;
if (Tabla[CharX][yt]==1) {
Tabla[CharX][CharY]=1;
CharY=yt;
Tabla[CharX][yt]=3;
}
}
if (KeyPress==75) { //Izquierda
xt = CharX - 1;
if (Tabla[xt][CharY]==1) {
Tabla[CharX][CharY]=1;
CharX=xt;
Tabla[xt][CharY]=3;
}
}
if (KeyPress==77) { //Derecha
xt = CharX + 1;
if (Tabla[xt][CharY]==1) {
Tabla[CharX][CharY]=1;
CharX=xt;
Tabla[xt][CharY]=3;
}
}
for (y=0; y<15; y++) {
for (x=0; x<25; x++) {
if (Tabla[x][y]==1) {
printf(" ");
} else if (Tabla[x][y]==2) {
printf("#");
} else if (Tabla[x][y]==3) {
printf("x");
}
}
printf("\n");
}
}
}
