Samsung S3C6400X User Manual page 444

S3C6400X RISC MICROPROCESSOR
else if (SRC_Height >= 16 × DST_Height) { PreScale_V_Ratio = 16; V_Shift = 4; }
else if (SRC_Height >= 8 × DST_Height) { PreScale_V_Ratio = 8; V_Shift = 3; }
else if (SRC_Height >= 4 × DST_Height) { PreScale_V_Ratio = 4; V_Shift = 2; }
else if (SRC_Height >= 2 × DST_Height) { PreScale_V_Ratio = 2; V_Shift = 1; }
else { PreScale_V_Ratio = 1; V_Shift = 0; }
PreScale_DSTHeight = SRC_Height / PreScale_V_Ratio;
dy = ( SRC_Height << 8 ) / ( DST_Height << V_Shift);
PreScale_SHFactor = 10 – ( H_Shift + V_Shift);
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
POST PROCESSOR
15-9