Remote-processing CAMBASIC Manual do Utilizador descarregar pdf (Página 122)

Commands - 89

ON KEYPAD$

Tasking Statement

SYNTAX: ON KEY PAD $ GO SUB line/label

ON KEYPAD$ GOSUB

ON KEYPAD $ size GOSUB line/lable

ON KEYPAD $ size GOSUB

PURPOSE: To cause a progr am branch when any key is pressed on the keypad. Using this com mand w ithout a

line/label disables keypad tasking.

REMARK S: The program branch will respond to any key being pressed. The interrupt service routine can then

filter the character s.

The first two syntaxes are for the RPC-2300 and RPC-150. Only a 16 position keypad is supported

on these cards.

The last two syntax are for the RPC-2350 and RPC-2350G. size specifies the keypad size of 16 or

24.

RELATED: KEYPA D$, SYS(8)

EXAMPLE: 10 ON KEYPAD$ GOSUB 70

20 '

30 GOTO 20

70 PRINT KEYPAD$(0)

80 RETURN

ERROR: < Can’t compile> – if line/label does not exist

1 2 ... 117 118 119 120 121 122 123 124 125 126 127 ... 207 208

Sem comentários

Remote-processing CAMBASIC Manual do Utilizador Página 122