Canon AS-100M Field Service Manual page 123

<N>
Designated Boot device No. with n=0 corresponding to drive A.
<NEW>
New data is to be loaded into each register or memory.
on command, data is designated in hexadecimal and with two or
four digits.
<OLD>
Read data in each register or memory.
the hexadecimal and with two or four digits, depending on the
command.
<PORT>
Designated port address in hexadecimal with four digits.
<REG>
Each register of 8088 is indicated with two alphabetical characters
as in the TAble below:
Register Name
Accumulator
Base
Count
Data
Stack Pointer
Base Pointer
Source Index
Destination Index
Code Segment
Data Segment
Stack Segment
Extra Segment
Instruction Pointer
Flag
The data is displayed in
Abbreviation
Table 7.3.6
7-17
Depending
AX
BX
CX
DX
SP
BP
SI
DI
CS
DS
SS
ES
IP
FL