Atari 130XE Manual de usuario descargar pdf (Pagina 25)

3 Debugger and DOS

Pressing

[D]

in the freezer main menu takes you to the built-in debugger with DOS

functions.

Commands are entered in the command line at the bottom of the screen. Editing inside

the command line is possible in the usual manner. The cursor cannot leave the command

line. Using the arrow keys

[CURSOR UP]

and

[CURSOR DOWN]

, the previous commands can

be recalled. The freezer keeps the last 4 commands that were entered.

The debugger also supports the unfortunately little used

[HELP]

key. Pressing this key

displays a short help with an overview of all commands. Using the keys

[1]

[2]

. . . you

can navigate to the individual help pages. Use

[DEL]

to display the previous page and

[SPACE]

[HELP]

to display the next page. Every other key ends the help display. The

content of the command line remains unchanged when you enter the help. This means

you can also open the help while entering a command if you forgot the exact syntax.

3.1 Disk Operating System (DOS)

Who didn’t encounter the following situation: you have spent the past 3 your editing your

program and now it’s time to save it again. But instead of the expected success message

you get a

File locked

Disk full

error message. Now it’s hard to know what to do.

Starting the DUP via

DOS

will make you lose your program because you didn’t activate

“MEM.SAV”, as it takes forever to execute.

As the freezer is capable of stopping any program at any point, it suggests itself to

also include a DOS with the most commonly used commands. Then it’s no problem to

handle the situation and continue the frozen program afterwards. The built-in DOS of the

TURBO FREEZER

contains all required functions to deal with the situation mentioned

above. It supports single-, enhanced-, and double-density and is fully compatible to DOS

2.0 and DOS 2.5. The functions of the Turbo 1050 ﬂoppy speeder are fully supported, as

well as the high SIO speed of Happy/Speedy compatible disk drives and XF-551 drives.

Also any other tuned or standard disk drive can be used as well.

A disk command consists of a three character long command or a command followed by

one or more spaces and a ﬁlename. Some commands also allow for specifying an option

that may be added to the command, separated by a slash. The command must start

immediately after the prompt. And besides the before mentioned space, no additional

spaces must be entered. File names may contain the wildcard “

” replacing any character

sequence, as well as “

” replacing any single character. Illegal commands will simply be

ignored and will not cause an error message. Error messages are only be displayed if they

were caused by the execution of a command.

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Atari 130XE Manual de usuario Pagina 25

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