Remote Host Commands
10-41
nn
is the count of data and checksum bytes.
d1...dn
are the data bytes.
cs
is the checksum.
S0 records are optional, and can contain any user-defined data.
EXAMPLE
S008763330627567736D
In this example, the length of the field is 8, and the data characters are the ASCII
representation of “v30bugs.” The checksum is 6D
16
.
Data Records (S1, S2, S3)
S1
nnaaaad1d2d3...dncs
S2
nnaaaaaad1d2d3...dncs
S3
nnaaaaaaaad1d2d3...dncs
S1
indicates the record type.
nn
is the count of address, data, and checksum bytes.
a...a
is a 4-, 6-, or 8-digit address field.
d1...dn
are the data bytes.
cs
is the checksum.
These are data records. They differ only in that S1-records have 16-bit addresses,
S2-records have 24-bit addresses, and S3-records have 32-bit addresses.
EXAMPLES
S10801A00030FFDC95B6
In this example, the bytes 00
16
, 30
16
, FF
16
, DC
16
, and 95
16
are loaded into memory
starting at address 01A0
16
.
S30B30000000FFFF5555AAAAD3
In this example, the bytes FF
16
, FF
16
, 55
16
, 55
16
, AA
16
, and AA
16
are loaded into
memory starting at address 3000,0000
16
. Note that this address requires an S3-
record because the address is too big to fit into the address range of an S1-record
or S2-record.
Data Count Records (S5)
S5
nnd1d2d3...dncs
S5
indicates the record type.
nn
is the count of data and checksum bytes.
d1...dn
are the data bytes.
cs
is the checksum.
S5-records are optional. When they are used, there can be only one per file. If an
S5-record is included, it is a count of the S1-, S2-, and S3-records in the file. Other
types of records are not counted in the S5-record.
Содержание BajaPPC-750
Страница 2: ...BajaPPC 750 PowerPC Based Single Board Computer User s Manual May 2002...
Страница 4: ...BajaPPC 750 PowerPC Based Single Board Computer User s Manual May 2002...
Страница 7: ......
Страница 16: ...0002M621 15 ix Register Map 9 1 Counter Timer Status CTSR 9 2 Register Map 9 2 Counter Timer Mode CTMR 9 4...
Страница 19: ...xii BajaPPC 750 Contents...
Страница 57: ...3 12 BajaPPC 750 Central Processing Unit May 2002...
Страница 77: ...5 12 BajaPPC 750 PMC PCI Interface May 2002...
Страница 111: ...6 34 BajaPPC 750 VMEbus Interface May 2002...
Страница 135: ...8 18 BajaPPC 750 Serial and Parallel I O May 2002...
Страница 207: ...10 68 BajaPPC 750 Monitor May 2002...