Remote-processing CAMBASIC Manual do Utilizador descarregar pdf (Página 44)

Commands - 11

BIT

Process Function

SYNTAX: n = BIT(I/O address, bit)

PURPOSE: To read a specified bit at a specified I/O address.

REMARK S: This function returns a “1” if the bit is high and a “0” if it is low.

This function will operate only with I/O addresses, not memor y addresses.

RELATED: BIT statement, INP, ON BIT, OUT

EXAMPLE: 10 OUT &10,209

15 FOR X = 0 TO 7

20 PRINT BIT(&10,X) ;

30 NEXT : PRINT

RUN

1 1 0 1 0 0 0 1

ERROR: < Data negative > – for I/O address, bit

< Data out of range > – if bit > 7

< Data > 65,535> – for I/O addre ss

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 207 208

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Remote-processing CAMBASIC Manual do Utilizador Página 44