Remote-processing BASIC 52 Manual do Utilizador descarregar pdf (Página 138)

RPBASIC-52 PROGRAMMING GUIDE

2-119

XBY

Syntax: XBY(addr)

XBY( addr)=expr

Where: addr = 0 to 65535 (0FFFFH) is a memory address

expr = 0 to 255 is data to save

Function: Read/write external data memory, segment 0 only.

Mode: Command, run

Use: XBY(99)=35

Cards: All

DESCRIPTION

XBY retrieves or assigns a value to external data memory. This command is equivalent to PEEKB and

POKEB.

CBY, DBY, PEEKB, POKEB

ERROR

BAD ARGUMENT Invalid addr or attempt to assign an out of range value to a XBY(expr).

EXAMPLE

100 XBY(47536) = XBY(47536) .OR. 3

1 2 ... 133 134 135 136 137 138 139 140 141 142 143 ... 162 163

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Remote-processing BASIC 52 Manual do Utilizador Página 138