IBM MaxLoader Network Card User Manual


 
MaxLoader User’s Guide
40
10: 24-bit addressing for files greater than 64K.
12: 32-bit addressing for files greater than 64K in
length.
X+1 - N Bytes HEX Data (two per byte)
N+1 – N+2 Check-Sum Two digit HEX Check-Sum character
calculated by one’s complement
of DATA, ADDRESS and COUNT.
Motorola File Example
S325200000002F0000EA060000EA0B0000EA100000EA160000EA0000A0E11B0000EA210000
EA31
The file offset address is “20000000,” so you should put this value in the
“file offset” of “File Load” config option / address menu.
TEKTRONIX HEX FORMAT
The Tektronix HEX format contains ASCII records, expressing bytes
ASCII pairs.
Position Character Remarks
1 / Slash character for start of line
2 - 5 2Bytes Address. MSB first load
6 - 7 Byte Number of data bytes (not checksums)
8 - 9 Byte Check-Sum of ADDRESS and COUNT
by character in HEX (not by byte)
10 - N Data Data bytes as ASCII pairs
N+1 - N+2 Byte Check-Sum of Data by character (not as
bytes)
Tek Hex Example
/00001102444154414D414E2053332053455249414C8F
/01000001
ASCII HEX format
This selection generates an ASCII coded HEX format for either 4-bit or 8-bit
PROMs. Each record contains a four-digit HEX address (16-bit) followed by 16
data elements. A 16-bit checksum is at the end of the file.