Note : This will be in the next NUBYE release [tmb]
Date : 09/22/86
From : Bob Clyne, CoSysop Royal Oak RCP/M (313) 759-6569
Re : NUBYE v1.01 modification
Many users routinely hit CR's when logging onto a system -- since
NUBYE currently accepts a CR at the nulls question, this can cause
those users to get the default nulls (and they may not have a chance
to reset them without calling back).
Remove the code marked with "==>>" below and this will prevent
any response other than numerical to the nulls question.
;
ASKNL0: LDA NULTRY
CPI 12 ; Retry limit? (allow for noisy lines)
JZ PREOFF ; Yes, else continue
INR A
STA NULTRY ; Increment counter and save it
LXI H,NULMSG ; Nulls message
CALL PRINTB ; Send it
CALL MINPUT ; Get value
==>> MVI C,'0' ; Default 0 nulls <<== remove
==>> CPI CR ; Default ok? <<== "
==>> JZ $+14 ; Yes, so skip next 5 lines <<== "
MOV C,A
CPI '0'
JC ASKNL0 ; Bad, retry
