static void
vidc_rawputchar(int c)
{
int i;
if (c == '\t')
/* lame tab expansion */
for (i = 0; i < 8; i++)
vidc_rawputchar(' ');
else {
#ifndef TERM_EMU
vidc_biosputchar(c);
#else
/* Emulate AH=0eh (teletype output) */
switch(c) {
case '\a':
vidc_biosputchar(c);
return;
case '\r':
curx = 0;
curs_move(&curx, &cury, curx, cury);
return;
case '\n':
cury++;
if (cury > 24) {
scroll_up(1, fg_c, bg_c);
cury--;
} else {
curs_move(&curx, &cury, curx, cury);
}
return;
case '\b':
if (curx > 0) {
curx--;
curs_move(&curx, &cury, curx, cury);
/* write_char(' ', fg_c, bg_c); XXX destructive(!) */
return;
}
return;
default:
write_char(c, fg_c, bg_c);
curx++;
if (curx > 79) {
curx = 0;
cury++;
}
if (cury > 24) {
curx = 0;
scroll_up(1, fg_c, bg_c);
cury--;
}
}
curs_move(&curx, &cury, curx, cury);
#endif
}
}
static int
vidc_init(int arg)
{
int i, hw_cursor;
if (vidc_started && arg == 0)
return (0);
vidc_started = 1;
Crtat = (unsigned short *)PTOV(0xA0000);
while ((inb(0x60) & 0x04) == 0)
;
outb(0x62, 0xe0);
while ((inb(0x60) & 0x01) == 0)
;
hw_cursor = inb(0x62);
hw_cursor |= (inb(0x62) << 8);
inb(0x62);
inb(0x62);
inb(0x62);
crtat = Crtat + hw_cursor;
#ifdef TERM_EMU
/* Init terminal emulator */
end_term();
get_pos();
curs_move(curx, cury);
fg_c = DEFAULT_FGCOLOR;
bg_c = DEFAULT_BGCOLOR;
#endif
for (i = 0; i < 10 && vidc_ischar(); i++)
(void)vidc_getchar();
return (0); /* XXX reinit? */
}
/* Absolute cursor move to args[0] rows and args[1] columns
* (the coordinates are 1-based).
*/
void
CM(void)
{
if(args[0]>0) args[0]--;
if(args[1]>0) args[1]--;
curs_move(args[1],args[0]);
end_term();
}
/* Clear display from current position to end of screen */
void
CD(void)
{
get_pos();
v86.ctl = 0;
v86.addr = 0x10;
v86.eax = 0x0600;
v86.ebx = (bg_c<<4)+fg_c;
v86.ecx = v86.edx;
v86.edx = 0x184f;
v86int();
curx=0;
curs_move(curx,cury);
end_term();
}
static int
vidc_init(int arg)
{
int i;
if (vidc_started && arg == 0)
return (0);
vidc_started = 1;
#ifdef TERM_EMU
/* Init terminal emulator */
end_term();
get_pos(&curx, &cury);
curs_move(&curx, &cury, curx, cury);
fg_c = DEFAULT_FGCOLOR;
bg_c = DEFAULT_BGCOLOR;
#endif
for (i = 0; i < 10 && vidc_ischar(); i++)
(void)vidc_getchar();
return (0); /* XXX reinit? */
}
