Epson FX-80 Specifications Page 244
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Chapter 17
Business Applications
In this chapter we turn our attention to business applications. First
we program a sample barchart. Then we use designs from previous
chapters to develop a program that puts the FX through its paces.
The programs pull together many of the programming techniques
that you’ve used in the course of this manual. The second one is con-
siderably longer than the programs in previous chapters, and the
length provides two benefits. First, you’ll have a chance to really test
your own understanding of the FX printer. Second, a longer program
shows you how versatile your printer can be.
Preparation
Load the LINE program you saved at the end of Chapter
16
and
delete lines
1100-1170.
You will use the line graphics characters to
print a sales chart in this chapter.
Barchart
This program creates the barchart shown as Figure
17-1.
It uses the
line graphics characters from the LINE program as well as three new
user-defined characters.
Change
the following lines:
100 LPRINT CHR$(27)"3"CHR$(l0)CHR$(27)"Ul";
130 LPRINT CHR$(27)"&"CHR$(0)CHR$(94)CHR$(l07);
140 FOR Y=l TO 14: LPRINT CHR$(139);
160 NEXT Y: LPRINT CHR$(27)"C"CHR$(33);
Line
100 sets
up line spacing and Unidirectional print. You print in
Unidirectional Mode to be sure
the
line graphics characters line up
precisely.
227
- FCC COMPLIANCE STATEMENT 2
- FOR AMERICAN USERS 2
- Torrance, California 90505 2
- PR#1 and 4
- 39 FOR D=1 TO 17 4
- LPRINT CHR$(27);CHR$(52) 4
- Contents 7
- List of Figures 13
- List of Tables 17
- Introduction 18
- Inside the Printer 19
- Inside This Manual 19
- Programmer’s Easy Lesson 24
- Ticket Program 25
- Ticket Program Description 27
- 350-410 29
- Chapter 1 30
- The FX Printers 30
- Figure 1-2. Printer parts 32
- Printer Location 33
- Printer Preparation 34
- Paper separator 34
- FX-100) 35
- Manual-feed knob 36
- DIP switches 37
- Figure 1-8. DIP switch vent 38
- Switch 1 40
- Ribbon installation 40
- Paper Loading 41
- FX-80: built-in tractor feed 41
- Figure 1-11. Ribbon insertion 42
- (optional on the FX-80) 46
- Figure 1-17. Hook and stud 47
- Top-of-form position 49
- Paper-thickness lever 49
- Paper thickness adjustment 51
- Control panel 52
- The FX tests itself 52
- 136 columns. Turn the printer 53
- Chapter 2 54
- BASIC and the Printer 54
- BASIC Communications 55
- Character strings 56
- 10 PRINT CHR$(65) 56
- 10 PRINT CHR$(193) 56
- BASIC print commands 56
- ASCII and BASIC basics 57
- Control codes 58
- FX interpretation 59
- ITALIC CHARACTER SET 60
- Change Commands 61
- DELete and CANcel 63
- Chapter 3 66
- Print Pitches 66
- Main columns 67
- Intermediate positions 68
- Modes for Pitches 69
- Compressed Mode 70
- CHR$(15)" 71
- Mode priorities 72
- Pitch Mode Combinations 73
- COMPRESSED 75
- AND ELITE 75
- YOU CAN MIX: PICA EXPANDED 76
- CHARACTERS ON THE SAME LINE 76
- CHR$(20) 77
- Chapter 4 78
- Print Quality 78
- Emphasized Mode 79
- CLASS" 79
- LPRINT CHR$(27)"@" 79
- Mixing Modes 82
- ON" 83
- Type of mode 84
- Mode name 84
- Chapter 5 86
- Italic Mode 89
- More Mode Combinations 90
- Emphasized 93
- Compressed 93
- Special Printing Features 98
- Unidirectional Mode 100
- CHR$(27) 101
- CHR$(27)”<” 101
- International Characters 102
- Special Speeds 105
- CHR$(27)“il” 106
- 5 = Sweden 107
- 2 = Germany 107
- Line Spacing and Line Feeds 110
- Chapter 7 110
- Variable line spacing 112
- FOR X=0 TO 4 114
- STEPS" 114
- Line Feeds 115
- One-time, immediate line feed 116
- Reverse feed (FX-80 only) 116
- 20 LPRINT 118
- Line-spacing commands 119
- Chapter 8 120
- Forms Control 120
- LPRINT CHR$(12); 121
- Paper Perforation Skip 124
- Single-Sheet Adjustment 126
- CHR$(27)"9" 128
- Chapter 9 130
- Margins and Tabs 130
- LPRINT CHR$ ( 132
- FX-100 133
- Both margins 135
- CHR$(27)"@"--' 135
- 16, 24, 32 136
- FOR J=l TO 137
- 80 LPRINT H$;J; 137
- 90 NEXT J: LPRINT 137
- Variable horizontal tabs 138
- ,)CHR$(O) 138
- LPRINT CHR$(15); 139
- Vertical tab usage 139
- Ordinary vertical tabs 140
- Vertical tab channels 143
- CHR$(11) 146
- Chapter 148
- Introduction to Dot Graphics 148
- Print Head 149
- Graphics Mode 151
- Pin Labels 152
- First Graphics Programs 154
- CHR$(27)“K” 159
- Varieties of Graphics Density 160
- Density Varieties 162
- SINGLE-DENSITY GRAPHICS 163
- B$=CHR$(127)+CHR$(42) 164
- QUADRUPLE-DENSITY GRAPHICS 166
- MODE # 0 167
- MODE # 3 167
- MODE # 6 167
- One-to-one 168
- (plotter) 168
- Second byte 170
- Pin Combination Patterns 171
- Chapter 12 176
- Design Your Own Graphics 176
- STRATA Program 177
- READ P,R: FOR J=l TO -N: 178
- Three-Dimensional Program 180
- Figure 72-6. Program 186
- Figure 12-7. FX-100 figure 186
- CHR$(32)CHR$(64); 187
- Reversed version 189
- Chapter 13 190
- Plotter Graphics 190
- Circle Plotting 194
- Chapter 14 206
- Symmetrical Graphics Patterns 206
- Pin Pattern Calculation 209
- Graphics Width Settings 210
- Pattern Printout 210
- Figure 14-3. Program 211
- SYMMETRY 211
- Variations 212
- 20 MAX=64: MIN=l: RE=l: N=1/2 213
- Chapter 15 216
- User-Defined Characters 216
- Preparation 217
- Character Definition 217
- Dots into DATA 219
- FOR X=1 TO 11: READ C: 219
- LPRINT CHR$(C);: NEXT X 219
- 1170 DATA 219
- ' My E 219
- Proportional print 220
- Attribute byte 220
- Downloading Command 224
- Defining More Characters 224
- Redefining Control Codes 225
- Mode Strings 228
- 12345678SOFTWARE 229
- Chapter 16 232
- Large Letters: Double High 234
- FOR W=l TO 238
- READ L: PRINT CHR$(L) 238
- NEXT Z: NEXT Y: NEXT W 238
- GAMES SEEM SAME 239
- Core Sets 240
- Line Graphics 242
- Chapter 17 244
- Business Applications 244
- Statement Form 248
- Program 251
- STATEMENT 251
- 999 REM: The End 255
- 113-116, 118 263
- ON LINE light and button, 35 264
- 16,324, 328 265
- 38, 40, 314-315 265
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