1.1 --- a/src/pvr2/pvr2.c	Thu Jan 11 12:14:11 2007 +0000
     1.2 +++ b/src/pvr2/pvr2.c	Thu Jan 11 12:14:57 2007 +0000
     1.3 @@ -1,5 +1,5 @@
     1.4  /**
     1.5 - * $Id: pvr2.c,v 1.36 2007-01-11 06:50:11 nkeynes Exp $
     1.6 + * $Id: pvr2.c,v 1.37 2007-01-11 12:14:57 nkeynes Exp $
     1.7   *
     1.8   * PVR2 (Video) Core module implementation and MMIO registers.
     1.9   *
    1.10 @@ -37,7 +37,7 @@
    1.11  static int pvr2_load_state( FILE *f );
    1.12  static void pvr2_update_raster_posn( uint32_t nanosecs );
    1.13  static void pvr2_schedule_line_event( int eventid, int line );
    1.14 -static void pvr2_schedule_scanline_event( int eventid, int line );
    1.15 +static void pvr2_schedule_scanline_event( int eventid, int line, int minimum_lines );
    1.16  uint32_t pvr2_get_sync_status();
    1.17  
    1.18  void pvr2_display_frame( void );
    1.19 @@ -105,9 +105,9 @@
    1.20      asic_event( eventid );
    1.21      pvr2_update_raster_posn(sh4r.slice_cycle);
    1.22      if( eventid == EVENT_SCANLINE1 ) {
    1.23 -	pvr2_schedule_scanline_event( eventid, pvr2_state.irq_vpos1 );
    1.24 +	pvr2_schedule_scanline_event( eventid, pvr2_state.irq_vpos1, 1 );
    1.25      } else {
    1.26 -	pvr2_schedule_scanline_event( eventid, pvr2_state.irq_vpos2 );
    1.27 +	pvr2_schedule_scanline_event( eventid, pvr2_state.irq_vpos2, 1 );
    1.28      }
    1.29  }
    1.30  
    1.31 @@ -341,8 +341,8 @@
    1.32  	pvr2_state.irq_vpos1 = (val >> 16);
    1.33  	pvr2_state.irq_vpos2 = val & 0x03FF;
    1.34  	pvr2_update_raster_posn(sh4r.slice_cycle);
    1.35 -	pvr2_schedule_scanline_event( EVENT_SCANLINE1, pvr2_state.irq_vpos1 );
    1.36 -	pvr2_schedule_scanline_event( EVENT_SCANLINE2, pvr2_state.irq_vpos2 );
    1.37 +	pvr2_schedule_scanline_event( EVENT_SCANLINE1, pvr2_state.irq_vpos1, 0 );
    1.38 +	pvr2_schedule_scanline_event( EVENT_SCANLINE2, pvr2_state.irq_vpos2, 0 );
    1.39  	MMIO_WRITE( PVR2, reg, val );
    1.40  	break;
    1.41      case RENDER_NEARCLIP:
    1.42 @@ -408,8 +408,8 @@
    1.43  	pvr2_state.retrace_end_line = 0x2A;
    1.44  	pvr2_state.retrace_start_line = pvr2_state.total_lines - 6;
    1.45  	pvr2_schedule_line_event( EVENT_RETRACE, 0 );
    1.46 -	pvr2_schedule_scanline_event( EVENT_SCANLINE1, pvr2_state.irq_vpos1 );
    1.47 -	pvr2_schedule_scanline_event( EVENT_SCANLINE2, pvr2_state.irq_vpos2 );
    1.48 +	pvr2_schedule_scanline_event( EVENT_SCANLINE1, pvr2_state.irq_vpos1, 0 );
    1.49 +	pvr2_schedule_scanline_event( EVENT_SCANLINE2, pvr2_state.irq_vpos2, 0 );
    1.50  	break;
    1.51      case DISP_SYNCCFG:
    1.52  	MMIO_WRITE( PVR2, reg, val&0x000003FF );
    1.53 @@ -575,7 +575,7 @@
    1.54   * The raster position should be updated before calling this
    1.55   * method.
    1.56   */
    1.57 -static void pvr2_schedule_scanline_event( int eventid, int line )
    1.58 +static void pvr2_schedule_scanline_event( int eventid, int line, int minimum_lines )
    1.59  {
    1.60      uint32_t field = pvr2_state.odd_even_field;
    1.61      if( line <= pvr2_state.line_count && pvr2_state.interlaced ) {
    1.62 @@ -586,7 +586,23 @@
    1.63      if( field ) {
    1.64  	line += 1;
    1.65      }
    1.66 -    pvr2_schedule_line_event( eventid, line );
    1.67 +    
    1.68 +    if( line < pvr2_state.total_lines ) {
    1.69 +	uint32_t lines;
    1.70 +	uint32_t time;
    1.71 +	if( line <= pvr2_state.line_count ) {
    1.72 +	    lines = (pvr2_state.total_lines - pvr2_state.line_count + line);
    1.73 +	} else {
    1.74 +	    lines = (line - pvr2_state.line_count);
    1.75 +	}
    1.76 +	if( lines <= minimum_lines ) {
    1.77 +	    lines += pvr2_state.total_lines;
    1.78 +	}
    1.79 +	time = (lines * pvr2_state.line_time_ns) - pvr2_state.line_remainder;
    1.80 +	event_schedule( eventid, time );
    1.81 +    } else {
    1.82 +	event_cancel( eventid );
    1.83 +    }
    1.84  }
    1.85  
    1.86  MMIO_REGION_READ_FN( PVR2, reg )