From: Michel D?nzer
The value of this register is transferred to the V_COUNTER register at the
beginning of vertical blank. V_COUNTER is the reference for VLINE waits and
goes from VIEWPORT_Y_START to VIEWPORT_Y_START+VIEWPORT_HEIGHT during scanout,
so if VIEWPORT_Y_START is not 0, V_COUNTER actu
2012/2/1 Michel D?nzer :
> From: Michel D?nzer
>
> The value of this register is transferred to the V_COUNTER register at the
> beginning of vertical blank. V_COUNTER is the reference for VLINE waits and
> goes from VIEWPORT_Y_START to VIEWPORT_Y_START+VIEWPORT_HEIGHT during scanout,
> so if VIEWP
2012/2/1 Michel Dänzer :
> From: Michel Dänzer
>
> The value of this register is transferred to the V_COUNTER register at the
> beginning of vertical blank. V_COUNTER is the reference for VLINE waits and
> goes from VIEWPORT_Y_START to VIEWPORT_Y_START+VIEWPORT_HEIGHT during scanout,
> so if VIEWP
From: Michel Dänzer
The value of this register is transferred to the V_COUNTER register at the
beginning of vertical blank. V_COUNTER is the reference for VLINE waits and
goes from VIEWPORT_Y_START to VIEWPORT_Y_START+VIEWPORT_HEIGHT during scanout,
so if VIEWPORT_Y_START is not 0, V_COUNTER actu