Homelite 2400C Printer User Manual


 
10/10/03
CHAPTER 9 HP-GL - 22
LB - Character plot
LB [ cs ] < terminator > [;]
cs : character string
Plots character strings, numerical expressions, variables etc.
Plotting is performed whether the pen is up or down.
After plotting, the cursor moves to the position of the next character.
10 '*** LBEX1 ***
20 LPRINT "SP2;PA1000,4000;"
30 X=30
40 LPRINT "LB",X,X+1,X+2,CHR$(3)
50 END
<Sample 81>
10 '*** LBEX2 ***
20 LPRINT "SP2;PA4000,5000;"
30 X=30
40 LPRINT "LB";X;X+1;X+2,CHR$(3)
70 END
<Sample 82>
10 '*** LBEX3 ***
20 LPRINT "SP2;PA5000,6000;"
30 X=30
40 LPRINT "LB";X;" ";X+1;" ";X+2,CHR$(3)
70 END
<Sample 83>
DI - Absolute direction
DI [ run, rise ] [;]
run : X direction component
rise : Y direction component
Specifies the character plot direction.
Values for the run and rise are clamped real numbers.
The instruction is ignored when the values for both run and rise are 0.
When the parameter field is omitted, the default value (horizontal direction) is used.
θ
run
rise
tan
θ
=
cos
sin
θ
θ
10 '*** DIEX ***
15 DEG=-45
16 RAD3.1416/180*DEG
20 LPRINT "IN;SP2;PA3050,4450;"
30 LPRINT "DI0,2;LB_*_1988";CHR$(3);"DI2,2;LB_*_1989";CHR$(3)
40 LPRINT "DI2,0;LB_*_1990";CHR$(3);"DI2,-2;LB_*_1991";CHR$(3)
50 LPRINT "DI0,-2;LB_*_1992";CHR$(3);DI-2,-2;LB_*_1993";CHR$(3)
60 LPRINT "DI-2,0;LB_*_1994";CHR$(3);"DI-2,2;LB_*_1995";CHR$(3)
70 LPRINT
"PA3500,5350;DI",COS(0),SIN(0);"LB_*_2000";CHR$(13);CHR$(3);
80 LPRINT "DI",COS(RAD);SIN(RAD);"LB_RETURN
POINT";CHR$(13);CHR$(3)
90 END
<Sample 84>