Date   : Tue, 04 Jun 1985 20:51:00 PDT
From   : Alan Bomberger <ACB.TYM@office-2.ARPA>
Subject: Microsoft Applcard

There is a 60K CP/M for the Microsoft Applecard which seems to be a Z80 version
of the BDOS.  Is this Z80 version of BDOS a standard from DR or is this 
something special.  Is this the version of BDOS that runs on the Osborne Vixen?
 Second question:  The 60K CP/M for the Applecard seems to be a "split system" 
in that the BIOS is above a 4K hole in the memory space of the Z80 (I assume 
this is for the 6502) yet I cannot seem to locate a BIOS jump table after the 
BDOS that is the mirror of the one pointed to by the JMP at location 0  (BIOS 
seems to be at FAxx) as in the Northstar "split-system".  Is there one or does 
this version of the BDOS use the "pointer" at location 1?  How large is this 
Z80 version? (I may have missed the Jump table not knowing where to look.  It 
is certainly not E00 bytes above the BDOS entry as one would expect)  
(disassembly of the first few instructions showed a few cases where the Z80 
code was just as long as the 8080 version.) 

Thanks in advance for any infor you can provide!