27 GRAPHICS ENGINE (GE)
27-44
Seiko Epson Corporation
S1C33L26 TECHNICAL MANUAL
Argument 1 (Drawing effects and character)
D[31:30] Reserved
D[29:28] Resize/Tile Select[1:0] Bits
Specifies resizing or tiling effect for drawing the character. (See Section 27.3.5.)
5.14.1 Resizing/Tiling Selections
Table 27.
Resize/Tile Select[1:0] bits
Drawing effect
0x3
Reserved
0x2
Tiling
0x1
Resizing
0x0
Normal
D[27:26] Reserved
D[25:24] Rotation Select[1:0] Bits
Selects a character rotation angle. (See Section 27.3.5.)
5.14.2 Angle of Character Rotation
Table 27.
Rotation Select[1:0] bits
Rotation angle
0x3
270°
0x2
180°
0x1
90°
0x0
0°
D23
Clip Enable Bit
Enables or disables the clipping function. (See Section 27.3.5.)
1: Clipping enabled
0: Clipping disabled
D22
Transparent Enable Bit
Enables or disables transparency. (See Section 27.3.5.)
1: Transparency enabled
0: Transparency disabled
D[21:20] Palette Select[1:0] Bits
Selects the palette to be used when converting colors with a palette. (See Section 27.3.5.)
5.14.3 Palette Selection
Table 27.
Palette Select[1:0] bits
Palette
0x3
Palette 3
0x2
Palette 2
0x1
Palette 1
0x0
Not used
D19
Sync Enable Bit
Enables or disables the LCDC synchronization function. (See Section 27.3.5.)
1: Enabled (Synchronized)
0: Disabled (Not synchronized)
D[18:16] Write Effect Setting[2:0] Bits
Selects a writing effect. (See Section 27.3.5.)
5.14.4 Writing Effect Selections
Table 27.
Write Effect Setting[2:0] bits
Writing effect
0x7–0x3
Reserved
0x2
Mesh
0x1
XOR
0x0
Normal (Fill)
D[15:0] Font Index[15:0] Bits
Specifies the character to be drawn with the index in the font set.
The first character is specified as index 0 and the subsequent character indexes are incremented by char-
acter.