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- #include <dos.h>
-
- save_scr(int trow, int tcol, int brow, int bcol, char *array)
- /* Save an area of the current screen into a character array
- To determine num of chars for array use the following formula:
- num_chars=((brow-trow+1) * (bcol-tcol+1)) *2;
- */
- {
- extern bios, mono, cga;
- int x, y, orow, ocol, ncols, scrofs;
- union REGS inregs;
- char pchar;
- char far *base;
- char far *work;
-
- if(mono) base = (char far *) 0xb0000000;
- else base = (char far *) 0xb8000000;
-
- ncols = bcol - tcol + 1;
- if(bios) {
- get_cur(&orow,&ocol);
- for(x=trow; x<=brow; x++) {
- for(y=tcol; y<=bcol; y++) {
- locate(x,y);
- inregs.h.ah = 0x08;
- inregs.h.bh = 0x00;
- int86(0x10,&inregs,&inregs);
- *array++ = inregs.h.al;
- *array++ = inregs.h.ah;
- }
- }
- locate(orow,ocol);
- return(0);
- }
-
- for(x=trow;x<=brow;x++) {
- scrofs = ((((x + 1) * 160) - 160) + ((tcol + 1) * 2)) - 2;
- work = base + scrofs;
- for(y=0; y<ncols ;y++) {
- asm les bx,work
- if(cga) {
- asm mov dx,03dah
- asm in al,dx
- asm test al,1
- asm jnz $-3
- asm in al,dx
- asm test al,1
- asm jz $-3
- }
- asm mov cl,byte ptr es:[bx]
- asm mov pchar,cl
- *array = pchar;
- work++; array++;
- asm les bx,work
- if(cga) {
- asm mov dx,03dah
- asm in al,dx
- asm test al,1
- asm jnz $-3
- asm in al,dx
- asm test al,1
- asm jz $-3
- }
- asm mov cl,byte ptr es:[bx]
- asm mov pchar,cl
- *array = pchar;
- work++; array++;
- }
- }
-
- }
-
-
-