Sharp MZ-800 - 6.4 Graphics Control Statements

6.4 Graphics Control Statements
COLOR
Format
Explanation
COLOR [<palette code> [,<mode>]
Abbreviated Format
COL.
The COLOR statement specifies the < palette code> and optional <mode> that
are used by the PRINT, PRINT USING, and graphics statements SET, RESET,
LINE, BLINE, BOX, CIRCLE, PAINT, PATTERN, and SYMBOL.
<mode> specifies the type of logical operation performed on the colours. When
<mode > is specified as 0, the old colours in superimposed sections are over-painted
by new colours. When this parameter is specified as 1, the old and new colours are
logically ORed. The mode parameter does not apply however to the RESET and
BLINE statements (see Appendix A).
10 INIT “CRT:M1”
20 COLOR 3,0
30 FOR J=0 TO 10 STEP 2
40 SET 100,J
50 NEXT J
60 END
This program plots dots at points (100, 0) and (100,2) through (100,10) in colours
associated with palette code 3 and in superimpose mode 0.
Appendix A.
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