int main(int argc,char** argv) {
int old_apage;
int old_vpage;
int new_apage;
int new_vpage;
struct videoconfig vc;
int ret;
if(argc==1) {
cputs("用法:\n\tcread 文件名\n");
return 0;
}
// set_video_mode(&vc);
// ROWS=_setvideomoderows(_TEXTC80,_MAXTEXTROWS);
_getvideoconfig(&vc);
ROWS = vc.numtextrows;
COLS = vc.numtextcols;
old_apage = _getactivepage();
old_vpage = _getvisualpage();
if(vc.numvideopages>1) {
if(old_apage >=1) {
new_apage = 0;
}
else {
new_apage = 1;
}
}
else {
new_apage = old_apage;
}
if(old_apage != new_apage) {
_setvisualpage(new_apage);
_setactivepage(new_apage);
_clearscreen(_GCLEARSCREEN);
}
print_videoconfig(&vc);
OUT_PRINTF_BEGIN
"old_visualpage=%d\nold_active_page=%d\n",
old_vpage,
old_apage
OUT_PRINTF_END
new_vpage = _getvisualpage();
new_apage = _getactivepage();
OUT_PRINTF_BEGIN
"new_visualpage=%d\nnew_active_page=%d\n",
new_vpage,
new_apage
OUT_PRINTF_END
ret = process(argc,argv);
_setactivepage(old_apage);
_setvisualpage(old_vpage);
// _setvideomode( _DEFAULTMODE );
return ret;
}
static int
iqc_setpos( void )
{
union REGS ibm_registers;
/* call the BDOS function 0x10 to read the current cursor position */
ibm_registers.h.ah = 3;
ibm_registers.h.bh = (unsigned char) _getvisualpage();
int86( 0x10, &ibm_registers, &ibm_registers );
/* set text to this position */
_settextposition( ibm_registers.h.dh, ibm_registers.h.dl );
/* and move down one position */
prn_xprintf( stdout, "\n" );
return TRUE;
}
