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Table 7-3
Alternative graphics commands
Density
Single command
Individual command
Noraml
(ESC)”*”
CHR$(0)nl n2
(E7CJC)<’K”Z1n2 ml m2 ...
ml m2 ...
Double
(ESC)”*”
CHR$(l)%1nz
(ESC)<<L’>nl YZ2ml WZ2...
ml m2 ...
Doublewith (ESC)”*” CHR$(2)nl n2
(ESC>’’~,,~~~z m] mz
double-speed
ml m2 ...
...
Quadruple
::s:;’:” CHR$(3)nl %2
(ESC)’”Z”nl nz ml mz ...
CRT
(ESC)’’~;’CHR$(4)
nl n2
none
ml m2 ...
Plotter
(ESC)”*” CHR$(5)
nl n2
*one
ml m2 ...
CRT type II
<ESC>”*”CHR$(6)nl n.2
none
ml m2 ...
MORE GRAPHICS PROGRAMMING TIPS
At the end of this chapter, we’ll discuss two modes that the
printer offers to help you solve potential graphics problems. A
redefining code allows you to change the density for graphics
programs that use one of the four alternate codes. The 9-pin
graphics mode allows you to use all nine pins on each line and
thus speed up screen dumps.
Table 7-4
More graphics commands
Function
Control code
Redefinethe graphicsmode
(ESC)”?” nOnl
9-pingraphics
~Esc>” ->>
nOnl n2
ml m2 .....
■ Redefining alternate graphics codes
Your printer provides a command to redefine one of the alter-
nate graphics modes —K, L, Y, or Z —so that it represents any
other of the seven graphics modes. The command is (ESC) “?”
nOnl, where nOis one of the four letters, “K”, “L”, “Y”, or “Z”,
and nl
is one of the numbers used with the (ESC) “*” com-
mand, Oto 6. There are several instances in which you may use
this sequence.