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void
Scroll function

slPriorityNbg0,1,2,3

NBG priority set

Format

void slPriorityNbg0(num)
void slPriorityNbg1(num)
void slPriorityNbg2(num)
void slPriorityNbg3(num)
Uint16 num ;

Parameter

num Drawing priority number (8 types from 0 to 7)

Function

Prioritize the normal scroll screen “NBG0, NBG1, NBG2, NBG3”.
The higher the priority number, the higher the display order, and the lower the priority number, the more the drawing is done on the back.
If the priority number is 0, the scroll surface is considered transparent and is not drawn.

Return value

None

Remarks

Refer to the figure below for the priority when the same priority number is specified for other scroll planes and polygon planes.

Note) POLYGON is included in the sprite.

Reference: Chapter 8 Scroll

slPriorityNbg0,1,2,3

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