/* Wait for vertical retrace */
static void WaitVBL(_THIS)
{
    /* find start of retrace */
    tdfx_waitidle();
    while( (tdfx_in32(TDFX_STATUS) & STATUS_RETRACE) == STATUS_RETRACE )
        ;
    /* wait until we're past the start */
    while( (tdfx_in32(TDFX_STATUS) & STATUS_RETRACE) == 0 )
        ; 
}
Ejemplo n.º 2
0
static void WaitVBL(_THIS)
{
	
	tdfx_waitidle();
	while( (tdfx_in32(TDFX_STATUS) & STATUS_RETRACE) == STATUS_RETRACE )
		;
	
	while( (tdfx_in32(TDFX_STATUS) & STATUS_RETRACE) == 0 )
		; 
}