UBI EasyCoder 201 IISA Manuale delle Istruzioni Pagina 37
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Intermec Fingerprint 6.13 – Programmer's Guide
5. FINGERPRINT PROGRAMMING, cont'd.
8. Conditional Branching
Continued!
As the name implies, conditional branching means that the program
execution branches to a certain line or subroutine when a specified
condition is fulfilled. The following instructions are used for
conditional branching:
IF...THEN GOTO...ELSE
If a specified condition is TRUE, the program branches to a certain
line, but if the condition is FALSE, something else will be done.
Example:
10 INPUT "Enter a value: ",A%
20 INPUT "Enter another value: ",B%
30 IF A%=B% THEN GOTO 100 ELSE PRINT "NOT EQUAL"
40 END
100 PRINT "EQUAL"
110 GOTO 40
RUN
ON...GOSUB
Depending on the value of a numeric expression, the execution will
branch to one of several subroutines. If the value is 1, the program
will branch to the first subroutine in the instruction, if the value is
2 it will branch to the second subroutine and so on.
Example:
10 INPUT "Press key 1, 2, or 3 on host: ", A%
20 ON A% GOSUB 1000, 2000, 3000
30 END
1000 PRINT "You have pressed key 1": RETURN
2000 PRINT "You have pressed key 2": RETURN
3000 PRINT "You have pressed key 3": RETURN
RUN
ON...GOTO
This instruction is similar to ON...GOSUB, but the program will
branch to specified lines instead of subroutines. This implies that
you cannot use RETURN statements to go back to the main
program.
Example:
10 INPUT "Press key 1, 2, or 3 on host: ", A%
20 ON A% GOTO 1000, 2000, 3000
30 END
1000 PRINT "You have pressed key 1": GOTO 30
2000 PRINT "You have pressed key 2": GOTO 30
3000 PRINT "You have pressed key 3": GOTO 30
RUN
☞
Relational Operators
Also see:
• Chapter 4.9
- Intermec Fingerprint 1
- 1. INTRODUCTION 2
- 1. INTRODUCTION, cont'd 3
- 2. GETTING STARTED 10
- Stand -Alone Program 11
- Shell Startup Programs 11
- Breaking a Program 12
- Proceed at chapter 2.10 13
- ABCDEFGHIJKLM 14
- 3. CREATING A SIMPLE LABEL 15
- Bar Code Field Printing 16
- Image Field Printing 16
- Program Editing and Listing 17
- Text Field Printing 17
- Saving 18
- ERRHAND.PRG 18
- Renumbering Program Lines 18
- Merging programs 19
- Branching and Loops 19
- 4. TERMINOLOGY AND SYNTAX 20
- Keywords 21
- Operators 21
- Conditional Instructions 21
- 8. Keyword List 23
- 9. Operators, cont'd 25
- Communication: 26
- Special: 26
- 5. FINGERPRINT PROGRAMMING 27
- Error Messages 28
- Verbosity 28
- Standard Error-Handling 29
- Intermec Direct Protocol 29
- ≤ 2:nd value" 34
- Keyboard Control 35
- Relational Operators 37
- Breaking the Execution 38
- Background Communication 38
- Branching at Errors 39
- Current Directory 47
- 6. FILE SYSTEM 52
- 6. FILE SYSTEM, cont'd 53
- 7. INPUT TO FINGERPRINT 64
- VAL function 69
- Communication 72
- Standard IN/OUT Channel 73
- Memory and Buffers 74
- CHR$ Function 75
- RS 422/485 Interface 79
- Header record: 5 bytes 82
- 8. OUTPUT FROM FINGERPRINT 84
- LOF (Length-of-File) 89
- 20 PRINT LOF(5) 89
- STR$ Function 91
- 9. DATA HANDLING 94
- 100 seconds 100
- 10. LABEL DESIGN 103
- Printer Setup 104
- PRINTFEED Statement 104
- Alignment 105
- Directions 106
- Bar Codes 110
- Image Downloading 112
- Introduction 115
- Creating a Layout File 115
- 01E212 0 0 0 116
- 7. Layout Files, cont'd 117
- Continued! 117
- Arrays 119
- 11. PRINTING CONTROL 122
- • FORMFEED 123
- • LBLCOND 123
- OPTIMIZE ON/OFF 128
- 12. FONTS 129
- 12. FONTS, cont'd 130
- 13. BAR CODES 132
- 13. BAR CODES, cont'd 133
- 14. IMAGES 134
- 14. IMAGES, cont'd 135
- 15. PRINTER FUNCTION CONTROL 136
- EasyCoder 137
- ErrorReady 139
- Clearing the Display 142
- Clearing the Display 143
- Selecting Cursor Type 143
- Enabling/Disabling the Cursor 144
- DATE$ = "980901" 147
- TIME$ = "081130" 147
- 6. Printer Setup 152
- RIBBON SAVE ON/OFF 159
- 16. ERROR-HANDLING 162
- Logical Operators 164
- Variables 165
- Subroutines 165
- 4. Error-Handling 167
- Program, cont'd 167
- 17. REFERENCE LISTS 171
- IF...THEN...ELSE statements 172
- CLL statement 172
- PRTXT statements, and 172
- ON KEY...GOSUB statement 173
- FOR statement 173
- INVIMAGE statement has been 173
- GOSUB statement 174
- TRANSFER KERMIT operation 175
- TRANSFERSET statement 175
- TRANSFER$ function 175
- Managing Programs and Files: 177
- Listings: 177
- Data Manipulation: 177
- Branching and Conditionals: 178
- Clock/Calendar Facilities: 178
- Error-handling: 178
- Communication Control: 178
- Instruction Abbr.TypePurpose 181
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