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- /* VGA mode 13h functions for Game of Life.
- Tested with Borland C++. */
- #include <stdio.h>
- #include <conio.h>
- #include <dos.h>
-
- #define TEXT_X_OFFSET 28
- #define SCREEN_WIDTH_IN_BYTES 320
-
- #define SCREEN_SEGMENT 0xA000
-
-
- /* Mode 13h mode-set function. */
- void enter_display_mode()
- {
- union REGS regset;
-
- regset.x.ax = 0x0013;
- int86(0x10, ®set, ®set);
- }
-
- /* Text mode mode-set function. */
- void exit_display_mode()
- {
- union REGS regset;
-
- regset.x.ax = 0x0003;
- int86(0x10, ®set, ®set);
- }
-
- /* Text display function. Offsets text to non-graphics area of
- screen. */
- void show_text(int x, int y, char *text)
- {
- gotoxy(TEXT_X_OFFSET + x, y);
- puts(text);
- }
-