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Annotation of hatari/src/includes/video.h, revision 1.1.1.1

1.1       root        1: /*
                      2:   Hatari
                      3: */
                      4: 
                      5: typedef struct {
                      6:   unsigned int Address;                /* Address we accessed, eg VideoSync(0xff820a) or VideoShifter(0xff8260) */
                      7:   unsigned char Byte;                  /* Byte we wrote */
                      8:   int FrameCycles;                     /* Clock cycles into frame */
                      9: } SYNCSHIFTER_ACCESS;
                     10: 
                     11: typedef struct {
                     12:   int nCount;                          /* Number of matching entries - when equal 'nChecks' this table is complete */
                     13:   int nChecks;                         /* Number of address/byte/cycle checks in match table */
                     14:   SYNCSHIFTER_ACCESS *pSyncShifterAccess;   /* Checks to compare with */
                     15:   void *pFunc;                         /* Handler function to call when table is found to match */
                     16:   int Value;                           /* Value to pass to above function via 'SyncHandler_Value' */
                     17: } SYNCSHIFTER_ACCESS_TABLE;
                     18: 
                     19: #define BORDERMASK_NONE    0x0000      /* Borders masks */
                     20: #define BORDERMASK_TOP     0x0001
                     21: #define BORDERMASK_BOTTOM  0x0002
                     22: #define BORDERMASK_LEFT    0x0004
                     23: #define BORDERMASK_RIGHT   0x0008
                     24: 
                     25: extern long VideoAddress;
                     26: extern unsigned char VideoSyncByte,VideoShifterByte;
                     27: extern BOOL bUseHighRes;
                     28: extern int nVBLs,nHBL;
                     29: extern int nStartHBL,nEndHBL;
                     30: extern int OverscanMode;
                     31: extern unsigned short int HBLPalettes[(NUM_VISIBLE_LINES+1)*16];
                     32: extern unsigned long HBLPaletteMasks[NUM_VISIBLE_LINES+1];
                     33: extern unsigned short int *pHBLPalettes;
                     34: extern unsigned long *pHBLPaletteMasks;
                     35: extern unsigned long VideoBase;
                     36: extern unsigned long VideoRaster;
                     37: 
                     38: extern void Video_Reset(void);
                     39: extern void Video_MemorySnapShot_Capture(BOOL bSave);
                     40: extern void Video_ClearOnVBL(void);
                     41: extern void Video_CalculateAddress(void);
                     42: extern unsigned long Video_ReadAddress(void);
                     43: extern void Video_InterruptHandler_VBL(void);
                     44: extern void Video_InterruptHandler_VBL_Pending(void);
                     45: extern void Video_InterruptHandler_EndLine(void);
                     46: extern void Video_InterruptHandler_HBL(void);
                     47: extern void Video_SyncHandler_SetLeftRightBorder(void);
                     48: extern void Video_SyncHandler_SetSyncScrollOffset(void);
                     49: extern void Video_SyncHandler_SetTopBorder(void);
                     50: extern void Video_SyncHandler_SetBottomBorder(void);
                     51: extern void Video_WriteToShifter(void);
                     52: extern void Video_WriteToSync(void);
                     53: extern void Video_StoreSyncShifterAccess(unsigned int Address,unsigned char Byte);
                     54: extern void Video_StartHBL(void);
                     55: extern void Video_CopyVDIScreen(void);
                     56: extern void Video_EndHBL(void);
                     57: extern void Video_SetScreenRasters(void);
                     58: extern void Video_SetHBLPaletteMaskPointers(void);

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