Tandy 26-3334 Service Manual page 17

COLOR PALETTE
FFBO - FFBF: 16 addresses,
6
bits each
For
the
RGB output, the bits are defined
as
follows:
Data Bit
Corresponding
RGB output
D5 D4
D3 D2
Dl DO
Rl Gl Bl
RO
GO BO
For
the
Composite
output, the bits are
defined
as follows, where
1 is
intensity level and
P is phase:
Data Bit
Corresponding
composite
output
D5 D4
D3 D2
Dl DO
II 10
P3
P2 PI P0
Some Color Examples:
Color
RGB
Composite
Binary
Hex
Binary
Hex
White
Black
Bright Green
Medium Green
Dark Green
Medium Magenta
111111
000000
010010
010000
000010
101000
(3F)
(00)
(12)
(10)
(02)
(28)
110000
000000
100010
010010
000010
010101
(30)
(00)
(22)
(12)
(02)
(15)
For CoCo compatibility, the following values should be loaded upon
initialization.
(NOTE: These are
the
RGB values.)
FFBO
Green
(12)
FFB1 Yellow
(36)
FFB2
Blue
(09)
FFB3
Red
(24)
FFB4
Buff
(3F)
FFB5
Cyan
(10)
FFB6
Magenta
(2D)
FFB7
Orange
(26)
FFB8
Black
(00)
FFB9
Green
(12)
FFBA
Black
(00)
FFBB
Buff
(3F)
FFBC
Black
(00)
FFBD
Green
(12)
FFBE
Black
(00)
FFBF
Orange
(26)
NOTE: For the
PAL version, ignore
the table attributed
to
composite,
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