SH7205 Datasheet, PDF (1477/1904 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 26 2D Graphics Engine (2DG)
Note: Since SL + SSWIDH ≠ SH at this time, the horizontal edge is not at the right edge.
Accordingly, set the EDGE (0) bit to 0.
5. Calculating PHS_H, the result of phase calculation for the source-side starting position
PHS = INT (INT (SH/DH × 4096) × DL + H1PHS_DCML) = INT (INT (280/350 × 4096) ×
68 + 819) = 223587 (H'036963)
From the above result of phase calculation for the source-side starting position, the following
result is obtained.
H1PHS_INTGR, integer part of the result of phase calculation for the source-side starting
position = PHS_H (upper 10 bits) = H'036
H1PHS_DCML, fractional part of the result of phase calculation for the source-side starting
position = PHS_H (lower 12 bits) = H'963
Rev. 1.00 Mar. 25, 2008 Page 1445 of 1868
REJ09B0372-0100