From the Club 100 support files (www.club100.org)...

CALLING ALL ROMS

Most option ROMs for the Model 100/102, Model 200, and NEC PC-8201A use the 
same ROM call, since you are telling the OS to look at the starting address of 
the ROM address space.  Traveling Software ROMs were a bit different, but they 
also offered some tricks. 

Option ROM       Model 100/102  Model 200      NEC PC-8201A
---------------- -------------- -------------- -----------------------
Traveling Software, offered by Club 100: A Model 100 User Group
  TS-DOS         call 63013,1   call 61167,2   poke 63911,1:exec 62394
       CSR (1)   call 63013,0   call 921,146   poke 63911,146:exec 1124
  UR2            call 63013,1   call 61167,2   poke 63911,1:exec 62394
  Sardine        call 63013,1   call 61167,2   poke 63911,1:exec 62394
  ROM2/Cleuseau  call 63012     call 61167,2   poke 63911,1:exec 62394
  Card File      call 63012     call 61167,2   poke 63911,1:exec 62394
  TS-Random      call 63013,1   call 61167,2   poke 63911,1:exec 62394

Portable Computer Support Group, offered by Tri-Mike Network East
  SuperROM       call 63012     call 61167,2   poke 63911,1:exec 62394
  Lucid          call 63012     call 61167,2   poke 63911,1:exec 62394
  Bus Analyst    call 63012     call 61167,2   poke 63911,1:exec 62394
  RAMPlus        call 63012     call 61167,2   poke 63911,1:exec 62394

Tandy/Radio Shack, offered by Club 100: A Model 100 User Group
  Int Solutions  call 63012     call 61167,2   poke 63911,1:exec 62394
  Multiplan      call 63012     call 61167,2   poke 63911,1:exec 62394

Others, where-is, as-is
  Logit100       call 63012     call 61167,2   poke 63911,1:exec 62394

(1)Cold Start Recovery

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