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jaz_clib.arc
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JZWRITE.C
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1989-04-09
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extern int _row1,_row2,_col1,_col2,_attr,g_row,g_col,g_fore,g_back;
jzwrite ( fstr )
char *fstr;
{
int w,wscrseg,wndofs,wrow,wcol,wstart,wend;
jzgetcur(&wrow,&wcol,&wstart,&wend);
while (*fstr) {
#if DEBUG
int wi;
printf("\n%d %d %d %d %d %d",_row1,_col1,_row2,_col2,g_row,g_col);
for (wi = 0 ; wi < 255 ; wi ++) ; /* do nothing pointer */
printf("\n%d %d",wrow,wcol);
#endif
switch(*fstr) {
case '\b' :
wcol --;
fstr++;
break;
case '\n' :
wcol = _col2 + 1; /* force new line condition */
fstr++;
break;
case '\r' :
wcol = _col1; /* back to column 1 */
fstr++;
break;
case '\t' :
do ; while(++wcol % 8);
fstr++;
break;
}
if (wcol > _col2) {
wcol = _col1;
if (wrow == _row2)
jzscrlup(_row1 << 8 | _col1,_row2 << 8 | _col2,1,_attr);
else
++ wrow;
}
jzloccur(wrow,wcol);
if (*fstr) {
jzwrtchr(*fstr++,_attr,1);
++ wcol;
}
}
g_row=wrow;
g_col=wcol;
}