Host Environment Commands › ADDRESS EPI Commands › EPI POKE—Modify Screen Buffer Contents

EPI POKE—Modify Screen Buffer Contents

The EPI POKE command modifies the contents of the virtual terminal screen buffer. POKE under EPI does not read the contents of row 0.

EPI POKE has the following format:

ADDRESS EPI "POKE keywords"

/* You must specify a value for each keyword.   */
{termname|*}
{row}
{col}
{poketext}

termname

Defines the virtual terminal for which you want to modify buffer contents.

*

Specifies the current terminal that is defined through the SETTERM command.

row

Specifies the number of the screen row where altering of buffer contents begins.

col

Specifies the number of the screen column where altering of buffer contents begins.

poketext

Provides a character string or a hexadecimal string that is enclosed in quotation marks. The value is the actual 3278 buffer code.

EPI POKE Sample Coding Statements

The following sample coding statement shows buffer code representing the string READY at column 2 of row 22:

POKE TERM4 22 2 “D9 C5 C1 C4 E8 20”x