POKE [/TEXT | /DATA]
[/LONG | /SHORT | /BYTE]
address, data-value
where:
The following POKE command stores the hexadecimal value 99 at address 0x7FFFE480.
Initial evaluation environment is PGM:(inactive)
CodeWatch> p12
1: pgm: proc options(main);
2:
3: dcl string char (32) varying;
4:
5: string = 'Hello World.';
6:
7: put skip list (string);
8:
9: put skip list (string);
10: end;
11: BOTTOM
CodeWatch> b 7
CodeWatch> c
Break at PGM\7
CodeWatch> e addr(string)
FFBFF94E (hex) {pointer}
CodeWatch> peek /data /byte /7 0xFFBFF94E
<data> 0xffbff94e: 0x00 <nul>
<data> 0xffbff94f: 0x0c CTRL-L
<data> 0xffbff950: 0x48 H
<data> 0xffbff951: 0x65 e
<data> 0xffbff952: 0x6c l
<data> 0xffbff953: 0x6c l
<data> 0xffbff954: 0x6f o
CodeWatch> peek /next
<data> 0xffbff955: 0x20 <space>
<data> 0xffbff956: 0x57 W
<data> 0xffbff957: 0x6f o
<data> 0xffbff958: 0x72 r
<data> 0xffbff959: 0x6c l
<data> 0xffbff95a: 0x64 d
<data> 0xffbff95b: 0x2e .
CodeWatch> s
Hello World. Step at PGM\9 <Note: prints ‘Hello World.’ 12 chars>
CodeWatch> po
9: put skip list (string);
CodeWatch> poke /data /short 0xFFBFF94E,5
<data> 0xffbff94e: 0x000c ---> 0x0005
CodeWatch> s
Hello Step at PGM\10 <Note: prints ‘Hello’ 5 chars>
CodeWatch> q
CodeWatch Quit...Bye!
Description
The /BYTE, /SHORT, and /LONG options, used with integer values, specify the size of memory to be altered (1, 2, or 4 bytes, respectively). /LONG is the default.