view level2/modules/t1.asm @ 244:e0921d6fd2e3

Added more comments
author boisy
date Sat, 20 Jul 2002 03:38:55 +0000
parents 6641a883d6b0
children b3bfa479f8d0
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         nam   T1
         ttl   CoCo serial device descriptor

* Disassembled 98/08/23 21:16:45 by Disasm v1.6 (C) 1988 by RML

         ifp1  
         use   defsfile
         use   scfdefs
         endc  

tylg     set   Devic+Objct
atrv     set   ReEnt+rev
rev      set   $01

         mod   eom,name,tylg,atrv,mgrnam,drvnam

         fcb   READ.+WRITE. mode byte
         fcb   $07        extended controller address
         fdb   $FF20      physical controller address
         fcb   initsize-*-1 initilization table size
         fcb   DT.SCF     device type:0=scf,1=rbf,2=pipe,3=scf
         fcb   $00        case:0=up&lower,1=upper only
         fcb   $01        backspace:0=bsp,1=bsp then sp & bsp
         fcb   $00        delete:0=bsp over line,1=return
         fcb   $01        echo:0=no echo
         fcb   $01        auto line feed:0=off
         fcb   $00        end of line null count
         fcb   $01        pause:0=no end of page pause
         fcb   24         lines per page
         fcb   C$BSP      backspace character
         fcb   C$DEL      delete line character
         fcb   C$CR       end of record character
         fcb   C$EOF      end of file character
         fcb   C$RPRT     reprint line character
         fcb   C$RPET     duplicate last line character
         fcb   C$PAUS     pause character
         fcb   C$INTR     interrupt character
         fcb   C$QUIT     quit character
         fcb   C$BSP      backspace echo character
         fcb   C$BELL     line overflow character (bell)
         fcb   WORD8+PARNONE+STOP1 init value for dev ctl reg
         fcb   B2400      baud rate
         fdb   name       copy of descriptor name address
         fcb   $00        acia xon char
         fcb   $00        acia xoff char
         fcb   80         (szx) number of columns for display
         fcb   24         (szy) number of rows for display
initsize equ   *

name     fcs   /t1/
mgrnam   fcs   /SCF/
drvnam   fcs   /sio/

         emod  
eom      equ   *
         end