nam   SCFDefs
         ttl   Sequential File Manager (SCF) Definitions

*****************
* Edition History
*
* Date     Changes Made                                                 by
* -------- ------------------------------------------------------------ ---
* 84/01/11 Added V.KANJI, V.KBUF, V.MODADR for new kanji input process  Y.O
* 85/04/20 Added V.PDLHd Path Descriptor List Head                      MGH
* 85/04/21 Added PD.PLP and PD.PST for modem handling                   MGH
* 87/06/23 Updated with Dev Desc info                                   KKD
* 98/10/03 Consolidated L1/L2 scfdefs                                   BGP


*******************************
* SCF Device Descriptor Offsets
*
         org   M$DTyp
IT.DVC   rmb   1          Device class
IT.UPC   rmb   1          Uppercase flag
IT.BSO   rmb   1          Backspace behavior
IT.DLO   rmb   1          Delete behavior
IT.EKO   rmb   1          Echo flag
IT.ALF   rmb   1          Auto linefeed flag
IT.NUL   rmb   1          End-of-line null count
IT.PAU   rmb   1          Page pause flag
IT.PAG   rmb   1          Numbe rof lines per page
IT.BSP   rmb   1          Backspace character
IT.DEL   rmb   1          Delete-line character
IT.EOR   rmb   1          End-of-record character
IT.EOF   rmb   1          End-of-file character
IT.RPR   rmb   1          Reprint-line character
IT.DUP   rmb   1          Duplicate-last-line character
IT.PSC   rmb   1          Pause character
IT.INT   rmb   1          Interrupt character
IT.QUT   rmb   1          Quit character
IT.BSE   rmb   1          Backspace echo character
IT.OVF   rmb   1          Bell character
IT.PAR   rmb   1          Parity
IT.BAU   rmb   1          Baud rate
IT.D2P   rmb   2          Attached device name string offset
IT.XON   rmb   1          X-ON character
IT.XOFF  rmb   1          X-OFF character
IT.COL   rmb   1          Number of columns for display
IT.ROW   rmb   1          Number of rows for display
IT.XTYP  rmb   1          Extended type (added by BRI)

         ifgt  Level-1
* Window Descriptor Additions
* For CoCo window, where IT.PAR = $80
         org   IT.ROW+1
IT.WND   rmb   1          Window number (matches device name) ($2E)
IT.VAL   rmb   1          Use defaults on Init (0=no, 1=yes)
IT.STY   rmb   1          Screen type default
IT.CPX   rmb   1          Column start default
IT.CPY   rmb   1          Row start default
IT.FGC   rmb   1          Foreground color default
IT.BGC   rmb   1          Background color default
IT.BDC   rmb   1          Border color default
         endc

         pag
************************************************************
* Static storage requirements
* SCF Devices must reserve this space for SCF
*
         org   V.USER
V.TYPE   rmb   1          Device type or parity
V.LINE   rmb   1          Lines left until end of page
V.PAUS   rmb   1          Immediate Pause request
V.DEV2   rmb   2          Attached device's static
V.INTR   rmb   1          Interrupt char
V.QUIT   rmb   1          Quit char
V.PCHR   rmb   1          Pause char
V.ERR    rmb   1          Accumulated errors
V.XON    rmb   1          X-On char
V.XOFF   rmb   1          X-Off char
V.KANJI  rmb   1          Kanji mode flag
V.KBUF   rmb   2          Kana - Kanji convert routine work address
V.MODADR rmb   2          Kana - Kanji convert module address
V.PDLHd  rmb   2          Open path descriptor list head pointer
V.RSV    rmb   5          Reserve bytes for future expansion
V.SCF    equ   .          Total SCF manager static overhead

***********************
* Character Definitions
*
C$NULL   set   0          Null char
C$RPET   set   $01        (ctl A - SOH) Repeat last input line
C$INTR   set   $03        (ctl C - ETX) Keyboard interrupt
C$RPRT   set   $04        (ctl D - EOT) Reprint current input line
C$QUIT   set   $05        (ctl E - ENQ) Keyboard Abort
C$BELL   set   $07        (ctl G - BEL) Line overflow warning
C$BSP    set   $08        (ctl H - BS ) Back space
C$EL     set   $05        Erase Line
C$LF     set   $0A        Line feed
C$HOME   set   $0B        Home position Code
C$Clsgr  set   $15        Graphic screen clear (use FM-11)
C$Clsall set   $16        Graphic & character clear (use FM-11)
C$CR     set   $0D        Carriage return
C$FORM   set   $0C        (ctl L - FF ) Form Feed ... screen clear
C$SI     set   $0F        Shift IN Code
C$SO     set   $0E        Shift OUT Code
C$XON    set   $11        (ctl Q - DC1) Transmit Enable
C$XOFF   set   $13        (ctl S - DC3) Transmit Disable
C$PAUS   set   $17        (ctl W - ETB) Pause character
C$DEL    set   $18        (ctl X - CAN) Delete line
C$EOF    set   $1B        (ctl [ - ESC) END of file
C$RGT    set   $1C        Cursor right
C$LFT    set   $1D        Cursor left
C$UP     set   $1E        Cursor up
C$DWN    set   $1F        Cursor down
C$SPAC   set   $20        Space
C$PERD   set   '.
C$COMA   set   ',

         pag
*************************
* FILE DESCRIPTOR OFFSETS
*
         org   PD.FST
PD.DV2   rmb   2          OUTPUT DEV TBL PTR
PD.RAW   rmb   1          READ/WRITE OR RDLIN/WRLIN MODE
PD.MAX   rmb   2          READLINE HIGH BYTE COUNT
PD.MIN   rmb   1          DEVICES ARE "MINE" IF CLEAR
PD.STS   rmb   2          Status routine module addr
PD.STM   rmb   2          Reserved for Status routine
         org   PD.OPT
         rmb   1          DEVICE TYPE
PD.UPC   rmb   1          CASE (0=BOTH, 1=UPPER ONLY)
PD.BSO   rmb   1          BACKSP (0=BSE, 1=BSE,SP,BSE)
PD.DLO   rmb   1          DELETE (0=BSE OVER LINE, 1=CRLF)
PD.EKO   rmb   1          ECHO (0=NO ECHO)
PD.ALF   rmb   1          AUTOLF (0=NO AUTO LF)
PD.NUL   rmb   1          END of LINE NULL COUNT
PD.PAU   rmb   1          PAUSE (0=NO END of PAGE PAUSE)
PD.PAG   rmb   1          LINES PER PAGE
PD.BSP   rmb   1          BACKSPACE charACTER
PD.DEL   rmb   1          DELETE LINE charACTER
PD.EOR   rmb   1          END of RECORD char (READ ONLY)
PD.EOF   rmb   1          END of FILE char
PD.RPR   rmb   1          REPRINT LINE char
PD.DUP   rmb   1          DUP LAST LINE char
PD.PSC   rmb   1          PAUSE char
PD.INT   rmb   1          KBD INTR char (ctl c)
PD.QUT   rmb   1          KBD QUIT char (ctl q)
PD.BSE   rmb   1          BACKSPACE ECHO charACTER
PD.OVF   rmb   1          LINE OVERFLOW char (BELL)
PD.PAR   rmb   1          PARITY CODE
PD.BAU   rmb   1          ACIA BAUD RATE (Color Computer)
PD.D2P   rmb   2          OFFSET of DEV2 name
PD.XON   rmb   1          ACIA X-ON char
PD.XOFF  rmb   1          ACIA X-OFF char
OPTCNT   equ   .-PD.OPT   Total user settable options
PD.ERR   rmb   1          Most recent I/O error status
PD.TBL   rmb   2          Device Table addr (copy)
PD.PLP   rmb   2          Path Descriptor List Pointer
PD.PST   rmb   1          Current Path Status

********************************************
* PD.PST values Path Descriptor Status byte
*
PST.DCD  equ   %00000001  Set if DCD is lost on Serial port

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************************************************************
*
*     SCF PD.PAR definitions
*
* Baud rate
B110     equ   0
B300     equ   1
B600     equ   2
B1200    equ   3
B2400    equ   4
B4800    equ   5
B9600    equ   6
B19200   equ   7
* Word size
WORD8    equ   %00000000
WORD7    equ   %00100000
* Parity
PARNONE  equ   %00000000
PARODD   equ   %00100000
PAREVEN  equ   %01100000
PARMARK  equ   %10100000
PARSPACE equ   %11100000
* Stop bits
STOP1    equ   %00000000
STOP2    equ   %00010000