X-Modem:
Offset Contents
0 SOH = Ascii 01
1 Block #, start with 1, wrap to 0 after FF
2 Ones complement (XOR with 0xFF) of block #
3-130 128 bytes of data
131 CRC Checksum of bytes (carry ignored)
+
Also:
Remember also that the 'window size' is 1. An ASCII ACK must be sent to the
sender before the next packet will be sent. If the checksum doesnt
match, a NAK must be sent. After 10 NAKs, the transfer should abort.
Archive:
See also:
file: /Techref/xmodem.htm, 1KB, , updated: 2002/11/29 12:47, local time: 2024/10/4 08:11,
owner: JMN-EFP-786,
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