IN: IX = 0, fetch first application in the machine IX <> 0 (current application handle), fetch next application OUT, if call successful: Fc = 0 IX = new application handle OUT, if call failed: Fc = 1 A = RC_EOF, no more applications available (IX now invalid) Registers changed after return: ..BCDEHL/..IY same AF....../IX.. different
Internal operating system usage.
An invalid input application handle also result in RC_EOF.
OS_Ent, enter an application
DC_Nam, Name current application
DC_Ent, enter new application
DC_Pol, poll for card usage
OS_Stk, stack the current process (application)
OS_Exit, exit an application
DC_Bye, exiting current application
OS_Bye, exit application
OS_Use, process card usage