Sprite data </TITLE> </HEAD><BODY> <P> <A HREF="kozo8.htm"> Return to previous page </A> | <A HREF="../kindex.htm"> Return to menu </A> | <A HREF = "kozo10 .htm "> Go to next page </A> </BR> </P> <HR> <P ALIGN="right"> <B> Structure </B> </P> <H1>SPRITE</H1> <P ALIGN="right"> <B> Sprite data </B> </P> <H3> Structure </H3> <PRE> typedef struct { Uint16 CTRL ; Uint16 LINK ; Uint16 PMOD ; Uint16 COLR ; Uint16 SRCA ; Uint16 SIZE ; Uint16 XA ; Uint16 YA ; Uint16 XB ; Uint16 YB ; Uint16 XC ; Uint16 YC ; Uint16 XD ; Uint16 YD ; Uint16 GRDA ; Uint16 DMMY ; } SPRITE ; </PRE> <H3> Member </H3> <PRE> CTRL control function LINK Link address PMOD put mode COLR color data SRCA CG address SIZE Character size XA X coordinate component of display position A YA Ｙ Y coordinate component XB X coordinate component of display position B YB 〃 Y coordinate component XC X coordinate component of display position C YC 〃 Y coordinate component XD X coordinate component of display position D YD 〃 Y coordinate component GRDA Gouraud Shading Table DMMY Size-matching dummy data </PRE> <H3> Description </H3> <P> Data type for passing data directly to VDP1, which means a data table for displaying sprites. <BR> Sprite picture data must be stored and registered in VRAM in advance (same for texture data and scroll data). <BR> For details, please refer to Programmer's Tutorial “Chapter 7: Polygon face attributes”. </P> <H3> Remarks </H3> <P> The textures and sprites used in Sega Saturn have very similar data structures, but display them differently as follows: Texture: Display pasted on polygon surface Sprite: Displayed by sprite alone </P> <P> Reference: Chapter 7 Polygon surface attributes </P> <P ALIGN="right">SPRITE</P> <HR> <P> <A HREF="kozo8.htm"> Return to previous page </A> | <A HREF="../kindex.htm"> Return to menu </A> | <A HREF = "kozo10 .htm "> Go to next page </A> </BR> </P> </BODY> </HTML>