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SA-1100 Developer’s Manual 11-19
Peripheral Control Module
Figure 11-3. Palette Buffer Format
.
Individual Palette Entry
Bit1514131211109876543210
Color
Unused PBS* Red (R) Green (G) Blue (B)
Bit1514131211109876543210
Mono
Unused PBS* Unused Monochrome (M)
*Note: Pixel bit size (PBS) is contained only within the first palette entry (palette entry 0).
16- or 256-Entry Palette Buffer
Bit 31 16 15 0
Base + 0x0 Palette entry 1 Palette entry 0
Base + 0x4 Palette entry 3 Palette entry 2
.
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Base + 0x1C Palette entry 15 Palette entry 14
Base + 0x20
Palette entry 17 Palette entry 16
Note: Entries 16 through 254 do not
exist for 4-, 12- and 16-bit/pixel modes.
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.
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Base +
0x1FC
Palette entry 255 Palette entry 254
Base +
0x200
Start of Encoded Pixel Data
Little Endian Palette Entry Ordering
Bit 31 16 15 0
Base + 0x0 Palette Entry 0 Palette Entry 1
Base + 0x4 Palette Entry 2 Palette Entry 3
.
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Big Endian Palette Entry Ordering