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Annotation of hatari/src/includes/clocks_timings.h, revision 1.1.1.3

1.1       root        1: /*
                      2:   Hatari - clocks_timings.h
                      3: 
1.1.1.2   root        4:   This file is distributed under the GNU General Public License, version 2
                      5:   or at your option any later version. Read the file gpl.txt for details.
1.1       root        6: */
                      7: 
                      8: #ifndef HATARI_CLOCKS_TIMINGS_H
                      9: #define HATARI_CLOCKS_TIMINGS_H
                     10: 
                     11: 
                     12: 
                     13: 
1.1.1.3 ! root       14: /* All the possible clock frequencies in Hz used in the supported machines. */
1.1       root       15: /* When a value is 0, the corresponding part is not available in this model */
                     16: 
                     17: typedef struct
                     18: {
                     19:   /* Common to all machines */
                     20:   Uint32        MCLK_Freq;
                     21:   Uint32        BUS_Freq;
                     22: 
1.1.1.3 ! root       23:   Uint32        CPU_Freq;                      /* 'normal' CPU Freq (eg 8 MHz for ST or 16 MHz for Falcon) */
1.1       root       24:   Uint32        FPU_Freq;
                     25:   Uint32        DMA_Freq;
                     26:   Uint32        MFP_Freq;
                     27:   Uint32        MFP_Timer_Freq;
                     28:   Uint32        FDC_Freq;
                     29:   Uint32        BLITTER_Freq;
                     30:   Uint32        YM_Freq;
                     31:   Uint32        ACIA_Freq;
                     32:   Uint32        IKBD_Freq;
                     33: 
                     34:   /* STF specific */
                     35:   Uint32        MMU_Freq;                      /* STF only */
                     36:   Uint32        GLUE_Freq;                     /* STF only */
                     37:   Uint32        SHIFTER_Freq;                  /* STF/STE */
                     38: 
                     39:   /* STE specific */
                     40:   Uint32        MCU_Freq;                      /* replaces MMU+GLUE in STF */
                     41:   Uint32       DMA_Audio_Freq;                 /* also used for SND SHIFTER in TT */
                     42: 
                     43:   /* TT specific */
                     44:   Uint32        TTVIDEO_Freq;
                     45: 
                     46:   /* Falcon specific */
                     47:   Uint32       COMBEL_Freq;                    /* includes the BLITTER */
                     48:   Uint32        VIDEL_Freq;
                     49:   Uint32        CODEC_Freq;
                     50:   Uint32        DSP_Freq;
                     51: 
1.1.1.3 ! root       52:   /* Common to all machines, runtime variables */
        !            53:   Uint32        CPU_Freq_Emul;                 /* Freq in Hz at which the CPU is emulated (taking nCpuFreqShift and CPU_Freq into account) */
1.1       root       54: 
                     55: } CLOCKS_STRUCT;
                     56: 
                     57: 
                     58: 
                     59: extern CLOCKS_STRUCT   MachineClocks;
                     60: 
                     61: extern bool    RoundVBLPerSec;
                     62: 
                     63: 
                     64: #define        CLOCKS_TIMINGS_SHIFT_VBL        24              /* The value returned by ClocksTimings_GetVBLPerSec is << 24 to increase precision */
                     65: 
                     66: /* Functions' prototypes */
                     67: 
                     68: void   ClocksTimings_InitMachine ( MACHINETYPE MachineType );
1.1.1.3 ! root       69: void   ClocksTimings_UpdateCpuFreqEmul ( MACHINETYPE MachineType , int nCpuFreqShift );
1.1       root       70: Uint32 ClocksTimings_GetCyclesPerVBL ( MACHINETYPE MachineType , int ScreenRefreshRate );
                     71: Uint32 ClocksTimings_GetVBLPerSec ( MACHINETYPE MachineType , int ScreenRefreshRate );
                     72: Uint32 ClocksTimings_GetVBLDuration_micro ( MACHINETYPE MachineType , int ScreenRefreshRate );
                     73: Sint64 ClocksTimings_GetSamplesPerVBL ( MACHINETYPE MachineType , int ScreenRefreshRate , int AudioFreq );
                     74: 
                     75: 
                     76: 
                     77: 
                     78: 
                     79: #endif
                     80: 

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