Basic calling sequences

• JZIN/JZOUT - simplest use
• JZIN - processor entry, general use
• JZINIT - initialize the JZ91 package
• JZTELL - count processor conditions
• JZZERO - zero the down call bank
• JZROOT - reset processor level to root
• JZEND - print processor usage statistics
• Titles JZAN - processor constants
• Titles JZFL - processor flags