IN:
BC = number of byte to get from serial port, maximum 16384, one bank
DE = destination
DE = 0, write bytes to a file opened with its handle in IX
DE > 0, write bytes to memory at (DE)
IX = file handle (if DE = 0)
Out if call succeeded:
Fc = 0
BC = remaining time (SI_TMO)
DE = points at last byte fetched + 1 (if DE(IN) > 0)
Out if call failed:
Fc = 1
A = RC_TIME, timeout elapsed
A = RC_EOF, end of file reached
A = RC_WP, input device is read protected
BC = number of bytes not read
Registers changed after return:
......../IXIY same
AFBCDEHL/.... different |