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Annotation of uae/src/md-ppc-gcc/support.c, revision 1.1.1.3

1.1       root        1:  /* 
                      2:   * UAE - The Un*x Amiga Emulator
                      3:   * 
                      4:   * Miscellaneous machine dependent support functions and definitions
                      5:   *
                      6:   * Copyright 1996 Bernd Schmidt
                      7:   */
                      8: 
                      9: #include "sysconfig.h"
                     10: #include "sysdeps.h"
                     11: 
                     12: #include "config.h"
                     13: #include "options.h"
                     14: #include "events.h"
                     15: #include "machdep/m68k.h"
                     16: 
                     17: struct flag_struct regflags;
                     18: 
                     19: static volatile frame_time_t last_time, best_time;
                     20: static volatile int loops_to_go;
                     21: 
                     22: void machdep_init (void)
                     23: {
                     24:     rpt_available = 1;
1.1.1.3 ! root       25:     write_log ("Calibrating delay loop.. ");
1.1       root       26:     fflush(stderr);
                     27:     loops_to_go = 5;
                     28: 
                     29:     sync();
                     30:     last_time = read_processor_time();
                     31:     usleep(loops_to_go * 1000000);
                     32:     best_time = read_processor_time()-last_time;
                     33:     sync();
                     34: 
                     35:     vsynctime = best_time / (50*loops_to_go);
1.1.1.3 ! root       36:     write_log("ok - %d\n",best_time/loops_to_go);
1.1       root       37:     last_time = read_processor_time();
                     38:     best_time = read_processor_time()-last_time;
                     39: }
                     40: 
                     41: 

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