IGXMSGEX Parameter List

Table 1. IGXMSGEX Parameter List
Offset	Length	Description
00 (X'00')	4	Address of the UCB. Might be above or below the 16 MB line. If it is below the line, it might be a captured or actual address.
04 (X'04')	4	Address of MSGTEXT

The second word of the parameter list points to MSGTEXT, which is shown in Table 2.

Table 2. MSGTEXT for IGXMSGEX
Offset	Length	Description
0 X'00'	1	Control byte. You can only change the following bit:
0 X'00'	.... ...1	Use the automatic cartridge loader, if available. Set this bit to 0 to disable automatic cartridge loading.
01 X'01'	8	First message text. You can modify this text.
09 X'09'	8	Second message text. You can modify this text.