Sharp MZ-800 - (5) Palette usage in mode 2

(5) Palette usage in mode 2
In mode 2, the initial colour code assignments to the palette codes are as follows.
Palette code | Colour code (colour)
0 0 (black)
1 1 (blue)
2 2 (red)
3 3 (magenta)
4 4 (green)
5 5 (cyan)
6 6 (yellow)
7 7 (white)
8 8 (gray)
9 9 (light blue)
10 10 (light red)
11 11 (light magenta)
12 12 (light green)
13 13 (light cyan)
14 14 (light yellow)
15 15 (light white)
Use of the palette in mode 2 is more complicated. In mode 2, palette codes 0 to 15 are used and they
are divided into four blocks as follows.
Palette block No. | 0 1 2 3
Palette code [0t03 | 4to7 |8to 11 [12 to 15
The
initial
setting
of
the
palette
block
number
is
0
and
the
initial
settings
of
the
colour
code
assign-
ments
to
the
palette
codes
are
as
follows.
| Palette code | Colour code (colour) |
0 (black)
1 (blue)
2 (red)
3 (magenta)
weno
The palette block number can be changed by the INIT command.
Ex)
INIT ‘‘CRT:B1'' — Changes the palette block number to 1.
The numbers belonging to the current palette block can be used as the palette codes in commands and
statements. Some commands and statements have a parameter which specifies a palette code or colour
code. The numbers belonging to the current palette block number are recognized as the palette codes,
while the other numbers are recognized as the colour codes.
The following example will help you understand the above explanation.
A-4
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