Atari 130XE Manual de usuario descargar pdf (Pagina 35)

3.2 Debugger

DOSINI 000C: 0000 CASINI 0002: FFFF

DOSVEC 000A: F223

VPRCED 0202: C0CD VINTER 0204: C0CD

...

3.2.13 Display handler address table

The

HAT

command lists the entries of the handler table ($031A. . . $033A). It displays the

address of the entry, then the 3 bytes of the entry followed by the device letter and the

address of the handler table (resp. “-- 0000” if the entry is empty).

031A 50 30 E4 P: E430

031D 43 40 E4 C: E440

0320 45 00 E4 E: E400

3.2.14 Display memory usage map

The command

displays a map of the memory which indicates used and unused memory

pages. If a page contains only zeros, a period “

” is displayed. If it contains at least one

non-zero byte, a star “

” is displayed. This is useful for example when searching for an

empty memory area for the boot loader (see section 2.3.1).

3.2.15 Activate printer output

Printer output is controlled with the command

PR<value

. Values from

activate the

output to printer

P1:

(default printer) to

P8:

. The value

deactivates printer output. Via

PR, the current state of the printer output is displayed on the screen. If printer output if

active, everything that is displayed on the debugger screen is also printed on the speciﬁed

printer in parallel. This is a handy way of logging debugger sessions.

Especially for longer debugger sessions it can be very useful to insert comments into

the logs. This can be achieved easily with the “

;

” command of the debugger. Everything

that follows the semicolon is printed in the debugger window (and hence, if printer output

is activated, also on the printer). This way you no longer need to grab pen and paper

frequently and the logs of the debugging session will be understandable even months later.

3.2.16 Control AtariSIO remotely

Using the

command, remote control commands can be sent to AtariSIO. This enables

a complete remote control of AtariSIO without loading and additional program. More

information can be found in the AtariSIO manual.

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