DC_Ent, Enter process

Register parameters

RST 20H, DEFW $0A0C
IN: 
    BHL = points to the process block
    B = 0, allocate new process, otherwise re-enter existing one
    IX = the application handle

OUT:
    Fc = 0, success
    Fc = 1, A = RC_Pre : cannot pre-empt or no room for process

Notes

Internal operating system usage. Does not return to caller.

Related calls

OS_Poll, poll for an application
DC_Nam, name current application
DC_Pol, poll for card usage
OS_Ent, enter an application
OS_Stk, stack the current process (application)
OS_Exit, exit an application
OS_Bye, exit application
DC_Bye, exit current process
OS_Use, process card usage
DC_Alt, pass an alternative character