)
Values for ATALK.SYS command code:
 01h	"AT_INIT"	    initialize the driver
 02h	"AT_KILL"
 03h	"AT_GETNETINFO" get current network info incl init status
 04h	"AT_GETCLOCKTICKS"
 05h	"AT_STARTTIMER"
 06h	"AT_RESETTIMER"
 07h	"AT_CANCELTIMER"
 10h	"LAP_INSTALL"
 11h	"LAP_REMOVE"
 12h	"LAP_WRITE"
 13h	"LAP_READ"
 14h	"LAP_CANCEL"
 20h	"DDP_OPENSOCKET"
 21h	"DDP_CLOSESOCKET"
 22h	"DDP_WRITE"
 23h	"DDP_READ"
 24h	"DDP_CANCEL"
 30h	"NBP_REGISTER"
 31h	"NBP_REMOVE"
 32h	"NBP_LOOKUP"
 33h	"NBP_CONFIRM"
 34h	"NBP_CANCEL"
 35h	"ZIP_GETZONELIST"
 36h	"ZIP_GETMYZONE"
 37h	"ZIP_TAKEDOWN"
 38h	"ZIP_BRINGUP"
 40h	"ATP_OPENSOCKET"
 41h	"ATP_CLOSESOCKET"
 42h	"ATP_SENDREQUEST"
 43h	"ATP_GETREQUEST"
 44h	"ATP_SENDRESPONSE"
 45h	"ATP_ADDRESPONSE"
 46h	"ATP_CANCELTRANS"
 47h	"ATP_CANCELRESPONSE"
 48h	"ATP_CANCELREQUEST"
 50h	"ASP_GETPARMS"
 51h	"ASP_CLOSESESSION"
 52h	"ASP_CANCEL"
 53h	"ASP_INIT"
 54h	"ASP_KILL"
 55h	"ASP_GETSESSION"
 56h	"ASP_GETREQUEST"
 57h	"ASP_CMDREPLY"
 58h	"ASP_WRTCONTINUE"
 59h	"ASP_WRTREPLY"
 5Ah	"ASP_CLOSEREPLY"
 5Bh	"ASP_NEWSTATUS"
 5Ch	"ASP_ATTENTION"
 5Dh	"ASP_GETSTATUS"
 5Eh	"ASP_OPENSESSION"
 5Fh	"ASP_COMMAND"
 60h	"ASP_WRITE"
 61h	"ASP_GETATTENTION"
 70h	"PAP_OPEN"
 71h	"PAP_CLOSE"
 72h	"PAP_READ"
 73h	"PAP_WRITE"
 74h	"PAP_STATUS"
 75h	"PAP_REGNAME"
 76h	"PAP_REMNAME"
 77h	"PAP_INIT"
 78h	"PAP_NEWSTATUS"
 79h	"PAP_GETNEXTJOB"
 7Ah	"PAP_KILL"
 7Bh	"PAP_CANCEL"