Commodore 1541-II - Page 6

PART TWO: GUIDE TO ADVANCED OPERATION AND PROGRAMMING
Chapter 4: Commands , 25
Command Channel 25
Reading the Error Channel 26
Housekeeping hints. « 28
Saving programs 29
Save with replace a 30
Verifying programs 30
Erasing programs . 31
Scratch for advanced users 33
Renaming programs 34
Renaming and scratching troublesome programs 36
Copying programs 37
Validating the diskette 38
Initializing 40
Chapter 5: Sequential Data Files 42
The concept of files 42
Opening a sequential file 42
Adding to a sequential file 45
Writing file data: Print# 46
Closing a file 48
Reading file data using INPUT# 49
More about INPUT (advanced) 50
Numeric Data Storage on Diskette 51
Reading File Data: Using GET# ,... 52
Demonstration of Sequential Files 54
Chapter 6: Relative Data Files 55
The value of relative access 55
Files, Records, and Fields 55
File limits 56
Creating a relative file 56
Using relative files: Record# 57
Completing relative file creation 59
Expanding a relative file 60
Writing
relative file data 61
Designing a relative record 61
Writing the record 62
Reading a relative record 63
The value of index files 64