ZiLOG System 8000 - Page 183

HRM
COMMAND NAt'IE
REGISTER
SYNTAX
R [<register name>]
DESCRIPTION
Zilog
HRM
The REGISTER command is used to examine or modify a speci-
fied register. If no register name is given, all registers
Ra, R 1, R2 ... R15 P Can d F CW are dis pIa yed . I far· eg i s t er
name is given, the specified register name is displayed,
followed by a space. To change the contents of that regis-
ter, enter the new contents followed by <CR>. <CR> alone or
after the new contents displays the next register. A "Q"
followed by a <CR> terminates the command.
The following register names can be used in the command:
1. Any of the sixteen 16-bit registers named RO, R1, R2
R15.
2. Any of the sixteen 8-bit registers named RHO, RLO, RH1,
RL1 ... RH7, RL7.
3. Any of the eight 32-bit registers named RRO, RH2, RR4
RR14.
4. Program counter register named PC.
NOTE
The new contents of the program counter must
be
given in even hexadecimal numbers.
5.
Flag and control word named FC.
EXAMPLE
Display all registers.
[R <CR>
RO
R1 R2
R3
R4
R5
R6
R7
SG PC FC
RF
0000
0000 0000
0000
0000
0000
0000 0000
0000 0000 0000
0000
R8
R9
R10
R 11
R12
R13
R14
R15
N4
N5
PS PO
0000 0000 0000
0000
0000 0000 0000 0000
0000 0000 0000
0000
5-20
Zi10g
5-20