The cambasic mini– monitor – Remote Processing CAMBASIC User Manual

Page 207

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Mini-Monitor - 1

THE CAMBASIC MINI– MONITOR

The Mini– Monitor is included in CAM BASIC primar ily for those who will be combining object code (either from
assembly or “C” ) programs with CAM BASIC. The com mand set will let you examine and edit memory, and single step
using the breakpoint feature. You enter the M ini– Monitor by typing:

>MON

While in the monitor, the prom pt will change from the normal “ > ” to:

MON>

You can exit the mon itor by typing < Q> < RET > at the monito r pro mpt.

MINI– MONITOR COM MAND SET

The Mini– Monitor has eleven commands. All data must be entered in hexadecimal. If too little data or an illegal
command letter is entered, the terminal will beep and you will be prompted to start again. Entering more than four hex
digits for a number produces a system error, causing you to exit the Mini– Monitor.

The param eters for the various commands r equire a space after the command letter and between par ameters. The
Mini– Monitor cannot be used with a program line number. The command summary is below:

D – Display memory
E – Edit memory
F – Fill a block of memory
M – Math, add, subtract, multiply in Hex
Q – Quit Mini– Monitor

Display

This command is used to examine mem ory. W hen executed, it displays 8 lines of 16 bytes at a time. To display the next
128 bytes, press the space bar. To exit this command, press < RET> .
A typical display would be as follow s:

0:4A90

00 00 60 83 9E 28 9D AE 00 00 20 83 29 29 A8

..'..(.... .))..

0:4AA0

20 AE 00 00 0C 86 99 20 E9 00 0F 00 50 00 94

...... ....P..

0:4AB0

D1 28 AE 00 00 0C 00 29 00 21 00 5A 00 81 20

(.....).!.Z.. X

0:4AC0

A7 AE 00 00 0C 00 98 AE 00 00 60 83 3A 41 A7

..........'.:A..

0:4AD0

28 AE 00 00 60 00 29 3A 82 00 1B 00 64 00 8B

...'.):....d..

0:4AE0

D2 28 22 41 53 44 46 22 29 A8 A6 20 AE 00 00

.("ASDF").. ....

0:4AF0

87 99 20 E9 00 1A 00 78 00 8B 20 C7 28 AE 00

.. ....x.. .(...

0:4B00

64 89 29 A8 A6 20 AE 00 C0 0A 8B 99 20 E9 00

d.).. ...... ...

To display memory in segm ent one or higher, see the following example which w ill display RAM memor y in segment 1,
starting at address 0.

MON>D 0 1

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