Revised July 4, 1986
FR 1.1
FR 2.1
                                   FR21.DOC

INTRODUCTION

   FR� an� FR� ar� fil� receiver� fo� CP/� equipment� Yo� ca� ru� F� o� � CP/� �
machin� wit� � dis� forma� tha� i� incompatibl� wit� th� dis� forma� o� �
anothe� machin� containin� file� yo� wan� t� transfer� F� make� th� compute� �
runnin� i� loo� t� anothe� compute� jus� lik� � seria� printe� usin� XON/XOF� �
protocol� Yo� ca� sen� file� t� i� wit� PIP� o� an� utilit� capabl� o� sendin� �
8-bi� byte� t� LST� an� capabl� o� recognizin� XON/XOF� durin� th� transfe� o� �
larg� files.

SERIAL CABLE

   An� RS-23� cabl� tha� work� wit� � standar� seria� printe� shoul� als� wor� �
t� transfe� file� wit� FR� I� yo� don'� hav� � seria� printer� not� tha� yo� �
wil� nee� � cabl� wit� pin� � an� � reverse� o� on� end� unles� you� machin� �
ha� a� interna� jumpe� bloc� (a� o� Morro� MD's� tha� yo� ca� se� u� t� le� �
yo� us� � straigh� cable� 

TRANSFER SPEED

   F� wil� transfe� file� a� th� spee� o� you� seria� port� (typicall� 960� �
bps)� Se� bot� machine� t� th� sam� speed� A� thi� wil� b� muc� slowe� tha� �
norma� dis� operations� reall� lon� file� wil� tak� � fe� minute� t� transfer� 

FILE SIZE LIMITS

   FR� ca� transfe� file� u� t� th� siz� o� RA� minu� th� siz� o� tha� portio� �
o� th� operatin� syste� tha� yo� can'� overwrite� les� 2� fo� th� siz� o� �
FR1.CO� itself� O� m� 64� machine� that'� 54k� an� o� m� 56� machin� it'� 46k� �
FR� ca� transfe� file� a� larg� a� th� smalle� o� th� tw� machines� dis� �
capacities.

SOFTWARE REQUIRED

   T� us� FR� th� receivin� machin� need� functionin� copie� o� th� ASM.CO� �
assemble� an� LOAD.CO� loader� an� som� sor� o� tex� editor� eve� i� it'� onl� �
ED.COM� Al� thre� o� thes� program� usuall� com� wit� th� machine� I� yo� �
don'� hav� them� you'l� hav� t� ge� the� (o� equivalents)� i� th� machine'� �
nativ� dis� format� 

FR1 BOOTSTRAP

   FR1.AS� i� shor� enoug� (2k� t� typ� i� b� hand� assemble� load� an� the� �
us� a� � bootstra� t� transfe� FR2.AS� (12k)� Thi� i� it� principa� usefulness.

USER CONFIGURATION

   Befor� yo� assembl� eithe� FR1.AS� o� FR2.ASM� fin� th� use� configuratio� �
are� nea� th� to� o� th� listing:

�   1� Fin� th� decima� por� addresse� o� � properl� initialize� seria� dat� �
por� an� it� statu� port� Th� seria� printe� por� i� th� on� mos� likel� t� b� �
suitabl� fo� dat� intake� I� th� user'� manua� doesn'� tel� you� yo� ma� hav� �
t� experimen� t� fin� it.

   2� Chec� th� decima� value� o� th� TxRd� an� RxRd� bit� withi� th� statu� �
byt� o� th� UAR� chi� installe� i� you� equipment� Fo� th� 825� USAR� use� i� �
bot� th� exampl� machines� TxRD� (bi� 0� EQ� 1� an� RxRD� (bi� 1� EQ� 2� Thes� �
value� ar� probabl� universall� th� same� bu� chec� the� i� you'r� habituall� �
cautious.

   3� FR� only� Fin� th� he� addres� o� th� star� o� th� CCP� Sinc� FR� �
return� t� CP/� withou� � war� start� thi� keep� th� buffe� dow� i� saf� RAM� �
I� you'r� no� sure� gues� low� Fo� example� 40� i� 0A000� an� 32� i� 08000H� �
Us� � leadin� zer� i� th� firs� he� digi� i� � letter� 

FR1 OPERATION

   On the receiving machine:         On the sending machine:

   1) Log onto the receiving drive
   2) Type "FR1 <CR>"
                                     3) Type "PIP LST: = FILENAME.EXT[o] <CR>"
                                     4) Wait for the A> prompt to reappear
   5) Press the <ESC> key
   6) Rename XFR to FILENAME.EXT

FR2 OPERATION

   On the receiving machine:         On the sending machine:

   1) Type "FR2 <CR>"
   2) Type "D:FILENAME.EXT"
                                     3) Type "PIP LST: = FILENAME.EXT[o] <CR>"
                                     4) Wait for the A> prompt to reappear
   5) Press the <ESC> key
   6) Press <CR> if finished, or repeat 2 - 5



						Rod Clark
						Box 47205
						Seattle WA 98146