Epson FX-80 Specifications download pdf (Page 166)

Quadruple-Density Graphics Mode

The FX also gives you the ability to print dots four times as densely

as in Single-Density. Change the 1 line 20 to a 3 and lines 30 and 50 to

read:

20 A$=CHR$(27)+"*"+CHR$(3)+CHR$(50)+CHR$(0)

B$=CHR$(85)+CHR$(42)

LPRINT " QUADRUPLE-DENSITY GRAPHICS ";

QUADRUPLE-DENSITY GRAPHICS

In Quadruple-Density Graphics Mode, any FX can print 480 times 4

(or 1920) columns of dots on a single 8-inch line and the FX-100 can

print 816 times 4 (or 3264) columns on a 13.6-inch line. The graphics

setting required to fill an entire &inch line in this mode is n

equals 128

and n

equals seven (since 7 times 256 plus 128 equals 1920).

At this density the same limitation as for High-Speed Double-

Density Graphics Mode applies-you can’t print two adjacent dots in

the same row.

More densities

Yes, there are more densities. Besides the three graphics densities

we’ve covered so far (Single, Double, and Quadruple), the FX can

print in two graphics densities that match the screen densities of two

types of CRTs. One of these may allow you to develop designs and

then print them in the same weight. Additionally, the FX can simulate

the density that plotters use-called one-to-one aspect ratio. This

mode prints the same density horizontally as vertically, 72 dots per

inch each way, which allows you to print true circles.

You can print a sample of all the modes with the following program:

10 FOR M=0 TO

20 A$=CHR$(27)+"*"+CHR$(M)+CHR$(l20)+CHR$(0)

30 B$=CHR$(85)+CHR$(42)

50 LPRINT "MODE # ";M;" ";

60 LPRINT A$;:

FOR X=1 TO 60: LPRINT B$;: NEXT X

70 LPRINT: NEXT M

80 LPRINT CHR$(27)"@"

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Epson FX-80 Specifications Page 166