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- /*
- * SetFire.c C. Scheppner CBM 01/89
- * Sets right mouseport FIRE pin (pin 6) to 0 or 1
- */
-
- #include <exec/types.h>
- #include <hardware/cia.h>
- #include <libraries/dos.h>
-
- #define DELAY 500
-
- extern struct CIA ciaa;
-
- main(argc,argv)
- int argc;
- char **argv;
- {
- ULONG delay = 500;
-
- if(argc > 1)
- {
- if(argv[1][0]=='?')
- cleanexit("USAGE: SetFire (demos setting joy pin 6 to 1 or 0)\n",0);
- }
-
- printf("SetFire sets right mouseport pin 6 to ~0v and ~5v\n");
- printf("To exit, use CTRL/C\n");
-
- /* set right fire pin to output */
- ciaa.ciaddra = ciaa.ciaddra | CIAF_GAMEPORT1;
-
- /* loop until CTRL/C */
- while(!(SetSignal(0,0) & SIGBREAKF_CTRL_C))
- {
- /* turn off fire pin */
- ciaa.ciapra = ciaa.ciapra & (~CIAF_GAMEPORT1);
- printf("\nSet to 0...");
- Delay(delay);
-
-
- /* turn on fire pin */
- ciaa.ciapra = ciaa.ciapra | CIAF_GAMEPORT1;
- printf(" Set to 1...");
- Delay(delay);
- }
-
- printf("\n");
- /* set right fire pin back to input */
- ciaa.ciaddra = ciaa.ciaddra & (~CIAF_GAMEPORT1);
- exit(0);
- }
-
- cleanexit(s,n)
- char *s;
- int n;
- {
- if(*s) printf(s);
- exit(n);
- }
-
-