Execute and List Forms of TPG

If you use the execute form of the TPG macro, the coded parameters expand into the parameter list shown in Figure 1.

Figure 1. Parameter List Expansion for the Execute Form of TPG

If you use the list form of the TPG macro, the coded parameters expand into the parameter list shown in Figure 2.

Figure 2. Parameter List Expansion for the List Form of TPG

For Figure 2, the possible settings of Flag1 are shown in Table 1. Flag2 is X'01' for the NOEDIT option and X'02' for the TPG macro.

The value of Flag2 in the parameter list upon return from TPUT SVC is X'40'. This indicates that register 0 is supplied with the output buffer number.