ICOM 200 User Manual
ICOM-manual
Keyboard
The ICOM-200 has a 20 key matrix keyboard. The keyboard is devided into
two blocks. The first block has four vertically arranged keys placed directly on
the right side of the LC display. Those keys can e.g. be assigned to a menu
on the LC display. The second block consists of 16 labeled keys.
two blocks. The first block has four vertically arranged keys placed directly on
the right side of the LC display. Those keys can e.g. be assigned to a menu
on the LC display. The second block consists of 16 labeled keys.
2
Reading the keyboard is done with the device driver „LCD1.TDD“. The
following example scans the keyboard and gives back a numeric code for the
pressed key. Additionally a character can be assigned to the numeric code.
Read the „Device driver“ manual of the BASIC-Tiger
following example scans the keyboard and gives back a numeric code for the
pressed key. Additionally a character can be assigned to the numeric code.
Read the „Device driver“ manual of the BASIC-Tiger
®
on how it is done.
With a physical offset of –10h the keyboard culumns are at the addresses 19h
to 27h. In order to scan the keyboard, the following settings have to be
implemented into the program.
to 27h. In order to scan the keyboard, the following settings have to be
implemented into the program.
USER_EPORT
LASTLADR,
10h
0h
USER_EPORT
PHYSOFFS,
0F
2-6
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