Peek and poke – Remote Processing CAMBASIC User Manual
Page 127
Comm ands - 94
PEEK and POKE
Memory Function and Statement
SYNTAX:
n = PEEK( address)
n = PEEK( address,segment )
POKE address, data
POKE address, data, segm ent
PURPOSE:
PEEK returns a byte from m emory.
POKE w rites a byte to memory.
REMARK S:
The returned value from PEEK w ill be an integer in the range 0 to 255. address is the addre ss in
mem ory. PEE K is the com plement to th e POK E statem ent.
The first syntax applies to the first 64K of memor y (segment 0). F or addresses above segment 0,
use the second syntax. Not all products support segmented mem ory.
RELATED:
DPEE K, DP OKE, PEEK$, POKE$, FPEE K, FP OKE
EXAMPLE:
10 A=PEEK(&7000)
10 A=PEEK (&2000,1)
20 POKE &A000, 12, 1
ERROR:
< Data negative> – for address, data and segment
< Data > 65,535> – for address
< Data out of range> – if segment > 15