Epson LX-90 User Manual - IBM PC Jr. 8690 PIC for LX-90 - Page 32
Master Select, INPUT Master Select number;M, LPRINT This sample of printing uses
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Master Select The LX-90 has a special ESCape code called Master Select that allows you to choose any possible combination of seven different modes: pica, elite, compressed, emphasized, double-strike, expanded, and underline. The format of the Master Select code is ESCape "!" followed by a number that is calculated by adding together the values of the modes listed below: underline 128 expanded 32 double-strike 16 emphasized 8 compressed 4 elite 1 pica 0 For any combination, just add up the values of each of the modes you want and use the total as the number after ESCape "!". For example, to calculate the code for expanded underlined pica, add the following numbers together: underline 128 expanded 32 pica 0 160 To print this combination, therefore, you use ESCape "!" followed by the number 160. In the BASIC programming language the command is CHR$(27)"!"CHR$(l60). To try this number or any other, enter and run this short program, which will ask you for a Master Select number and then give you a sample of printing using that code. 10 INPUT "Master Select number";M 20 LPRINT CHR$(27)"!"CHR$(M) 30 LPRINT "This sample of printing uses " 40 LPRINT "Master Select number";M 50 LPRINT CHR$(27)"@" In this program, you can use any number you calculate by using the formula above, but remember that emphasized can't combine with compressed or elite. If you try to combine emphasized with either of the two narrow pitches, you won't harm your printer; it will simply use a priority list in its memory to determine which mode to use. 27