Addressing mode

The AMODE attribute, located in the directory entry for the module, specifies the addressing mode of the module. Bit 32 of the program status word (PSW) indicates the addressing mode of the program that is executing. The system supports programs that execute in 24-bit, 31-bit, or 64-bit addressing mode.

The AMODE attribute can have one of the following values:
  • 24-specifies that the program is to receive control in 24-bit addressing mode
  • 31-specifies that the program is to receive control in 31-bit addressing mode
  • ANY-specifies that the program is to receive control in either 24-bit or 31-bit addressing mode
Parent topic: Residency and addressing mode of programs