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- /*
- ** PRTSC.C - Access the BIOS print screen function
- **
- ** public domain demo by Bob Stout
- */
-
- #include <dos.h>
-
- #ifdef __TURBOC__
- #define FAR far
- #else
- #define FAR _far
- #endif
-
- /*
- ** Get screen printing status
- **
- ** 0 - Ready
- ** 1 - Screen printing in process
- ** 2 - Error occurred last time
- */
-
- int PrtScrnStat(void)
- {
- return ((int)*((char FAR *)(0x00500000)));
- }
-
- /*
- ** Print the current screen
- */
-
- int PrtScrn(void)
- {
-
- union REGS regs; /* Dummy for use by int86() */
-
- if (1 == PrtScrnStat()) /* Can we print now? */
- return -1; /* Nope, return with error */
- int86(5, ®s, ®s); /* Issue Int 5 */
- return 0;
- }
-
- #ifdef TEST
-
- #include <stdio.h>
-
- void main(void)
- {
- printf("PrtScrn() returned %d\n", PrtScrn());
- printf("PrtScrnStat() returned %d\n", PrtScrnStat());
- }
-
- #endif
-