ACT apricot - Page 303

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CALCULATOR

SYSTEMS INTEREST

Each

time

a

key

is pressed,

the

BIOS

consults

the

CALCULATOR

ON

flag to see if

the

calculator is

switched

on.

If

so,

then

the

Calculator

bit-map (see

the

Keyboard

Tables

section

for

more

information) is

checked

against

the

number

of

the

key

held

down.

If

there is a

"1"

in

the

bit

map,

then

the

key

is designated

to

be calculator specific so

the

Auto

repeat

routine

is bypassed and

the

raw

downcode

is

sent

to

the

calculator.

It

sould be

noted

that

the

calculator

specific keys

can

be defined

in

the

table as anything,

but

the

calculator

will

still

interpret

the

down-code

and

produce

the

correct action,

the

only

key

that

must

not

be re-defined is

the

CALC key,

which

has

to produce

the

special

"I

am

the

CALC

key"

code.

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Other manuals for ACT apricot

Service Manual305 pages