The BBC and Master Computer Public Domain Library

AAD7 BGET

Submitted by Steve Fewell

Description:

Call routine &BA4A to Check that the next character at BASIC Text Pointer B is '#' (issue 'Missing #' error if not),
set Y to the LSB of the number after the '#' (the file channel number).

Call the Operating system OSBGET routine (&FFD7) to carry out the read next byte from the file open at channel number
'Y' operation.
Jump to routine &AE18 to set the IWA to the 8-bit value in A (i.e. the byte that was read from the file).

Disassembly for the BGET routine