-IF NOT lasm
-.printx * CPXCIF.ASM *
-ENDIF ;NOT lasm
-; KERMIT - (Celtic for "FREE")
-;
-; This is the CP/M-80 implementation of the Columbia University
-; KERMIT file transfer protocol.
-;
-; Version 4.0
-;
-; Copyright June 1981,1982,1983,1984,1985
-; Columbia University
-;
-; Originally written by Bill Catchings of the Columbia University Center for
-; Computing Activities, 612 W. 115th St., New York, NY 10025.
-;
-; Contributions by Frank da Cruz, Daphne Tzoar, Bernie Eiben,
-; Bruce Tanner, Nick Bush, Greg Small, Kimmo Laaksonen, Jeff Damens, and many
-; others.
-;
-; This file contains the system dependent part for Cifer systems, and
-; is based on code contributed by John Shearwood of Birmingham
-; University. This file was originally CPXTOR.ASM but now an
-; FAMILY file on its own.
-;
-; This file has code that supports Cifer 1886/2886 systems, running
-; either CP/M Version 2.2 or 3.0, and driving the VL or AUX port.
-; xxx is a three letter abbrev. for the system you are adding.
-;
-; revision history:
-;
-; edit 2, 21 July, 1987 by OBSchou to bring it into line for use with
-; CPXCOM.ASM.
-;
-; edit 1, 14 July by OBSchou for John Shearwood of Birmingham University, UK.
-; His edits ar based on the former CPXTOR.ASM family file.
-;
-; edit 4, Apr 7 1987, JA Shearwood. Add support for Cifer Aux port.
-; edit 2, Mar 17 1987, JA Shearwood Add support for Cifer CP/M Plus
-;
-; Keep module name, edit number, and last revision date in memory.
-family: db 'CPXCIF.ASM (2) 14-Jul-87 $'
-;\f
-; Assembly time message to let me know I'm building the right version.
-; LASM generates an 'S' error along with the message, which is messy, but
-; better than trying to put everything inside a IF m80 OR mac80 conditional,
-; because LASM doesn't like nested IF's, either.
-
-IF cifer
-.printx * Assembling Kermit-80 for Cifer 1886 *
-ENDIF
-
-IF cifer3
-.printx * with CP/M Plus
-ENDIF
-
-IF cifaux
-.printx * with AUX port
-ENDIF
-
-;\f
-;=========================================================================
-; I/O Byte assignments (2-bit fields for 4 devices at loc 3)
-;
-;bits 6+7 LIST field
-; 0 LIST is Teletype device (TTY:)
-; 1 LIST is CRT device (CRT:)
-; 2 LIST is Lineprinter (LPT:)
-; 3 LIST is user defined (UL1:)
-;
-;bits 4+5 PUNCH field
-; 0 PUNCH is Teletype device (TTY:)
-; 1 PUNCH is high speed punch (PUN:)
-; 2 PUNCH is user defined #1 (UP1:)
-; 3 PUNCH is user defined #2 (UP2:)
-;
-;bits 2+3 READER field
-; 0 READER is Teletype device (TTY:)
-; 1 READER is high speed reader (RDR:)
-; 2 READER is user defined #1 (UR1:)
-; 3 READER is user defined #2 (UR2:)
-;
-;bits 0+1 CONSOLE field
-; 0 CONSOLE is console printer (TTY:)
-; 1 CONSOLE is CRT device (CRT:)
-; 2 CONSOLE is in Batch-mode (BAT:);READER = Input,
-; LIST = Output
-; 3 CONSOLE is user defined (UC1:)
-;
-;=========================================================================
-
-iobyte EQU 03H ;Location of I/O byte
-
-IF cifer ;[13]
-batio equ 80h ; tty: as console
-defio equ 81h ; crt: as console
-z80 SET TRUE ; although it really is...
-ENDIF;cifer [13]
-
-defesc EQU ']'-100O ;The default escape character.
-
-; Select initial setting for VT-52 emulation flag.
-vtval EQU 1
-
-IF iobyt ; only CP/M 2.2 and VL port use coniob in CPXCOM
- ; rest use this one
-coniob: db 0 ; default console bit pattern
-ENDIF ;iobyt
-
-
-
-sysxin: ;system initialisation not covered by sysinit
- mvi a,defio
- sta coniob
-
-IF cifer AND NOT cifaux ; [JAS] Not if AUX port
- lxi d,ciferi
- call prtstr
-ENDIF ;cifer AND NOT cifaux
-
-IF cifaux ; [JAS] Only Aux Port
- lhld 00047h ; Get address of CIOPS table
- lxi d,6fh
- dad d ; Calculate address of SETLNSPD
- shld cifiop
- inx h
- inx h
- inx h
- shld ciflod ; Next entry LODEF
- lxi d,81h-72h
- dad d ; Calculate address of LIDEF
- shld ciflid
- lhld 00045h ; Get address of SYSPTRS table
- lxi d,12h ; Offset for LIDEF pointer
- dad d ; Add to table address
- mov e,m ; Get low byte LIDEF pointer
- inx h
- mov d,m ; Get high byte LIDEF pointer
- push d
- inx h ; LIPARM pointer next
- mov a,m ; Get low byte of LIPARM pointer
- sta ciptbl ; Keep
- inx h
- mov a,m ; Get high byte
- sta ciptbl+1 ; Keep
- lxi d,1eh-15h ; Offset to LODEF
- dad d
- mov e,m ; Low byte
- inx h
- mov d,m ; High byte
- inx h ; LOPARM is next entry
- mov a,m
- sta coptbl ; Keep low byte LOPARM
- inx h
- mov a,m
- sta coptbl+1 ; Keep high byte
-; Now set up port for no parity 8 bits xon/xoff protocol both ways
- xchg ; LODEF into hl register
- push h ; Needed later
- mvi a,0
- mov m,a ; Clear byte 0
- inx h
- mov m,a ; Clear byte 1
- inx h
- mvi a,099h ; XON/XOFF protocol, 8bits, no parity
- mov m,a ; Flag into byte 2
- pop h ; Restore address of LODEF
-ciflod equ $+1
- call $ ; LODEF routine (poked above)
- pop h ; LIDEF (PUSHed from de earlier)
- push h ; Needed later
- mvi a,0
- mov m,a ; Clear byte 0
- inx h
- mov m,a ; Clear byte 1
- inx h
- mvi a,099h ; XON/XOFF protocol, 8bits, no parity
- mov m,a ; Flag into byte 2
- pop h ; Restore address of LIDEF
-ciflid equ $+1
- call $ ; LIDEF routine (poked above)
- lhld ciptbl ; Get current input speed
- mov a,m
- sta speed
- sta speed+1
- mov e,a
- mov d,a
- call sysspd ; Make sure ip and op are the same
-ENDIF; cifer AND cifaux
-
- ret ; return from system-dependent routine
-
-;\f
-;
-; system-dependent termination processing
-; If we've changed anything, this is our last chance to put it back.
-sysexit:
-
-IF cifer AND NOT cifaux
- lxi d,cifero
- call prtstr
-ENDIF;cifer AND NOT cifaux
-
- ret
-
-;
-; system-dependent processing for start of CONNECT command
-;
-syscon:
- ret
-
-conmsg: ; Messages printed when entering transparent (CONNECT) mode:
-;\f
-;
-; syscls - system-dependent close routine
-; called when exiting transparent session.
-;
-syscls:
- ret
-;\f
-;
-; sysinh - help for system-dependent special functions.
-; called in response to <escape>?, after listing all the
-; system-independent escape sequences.
-;
-sysinh: lxi d,inhlps ; we got options...
- call prtstr ; print them.
-
- ret
-
-
-;additional, system-dependent help for transparent mode
-; (two-character escape sequences)
-inhlps:
-
-; [16] [18] have added super brain and Torch to the list of Breaking machines.
-
-IF (cifer AND NOT cifaux)
- db cr,lf,'B Transmit a BREAK'
-ENDIF ;(cifer AND NOT cifaux)
- db '$' ;[hh] table terminator
-
-;
-; sysint - system dependent special functions
-; called when transparent escape character has been typed;
-; the second character of the sequence is in A (and in B).
-; returns:
-; non-skip: sequence has been processed
-; skip: sequence was not recognized
-sysint: ani 137O ; convert lower case to upper, for testing...
-
-; [19] have added superbrain and torch to the list
-
-IF (cifer AND NOT cifaux)
- cpi 'B' ; send break?
- jz sendbr ; yes, go do it. return nonskip when through.
-ENDIF ;(cifer AND NOT cifaux)
-
- jmp rskp ; take skip return - command not recognized.
-
-;\f
-
-IF (cifer AND NOT cifaux)
-sendbr: lxi d,brkmes ; send a break by sending esc * "
- call prtstr ; send to screen => breaks to port
- ret
-ENDIF;cifer
-
-; sysflt - system-dependent filter.
-; called with the character in E.
-; preserves bc, de, hl.
-; note: <xon>,<xoff>,<del>, and <nul> are always discarded.
-sysflt:
- mov a,e ; get character for testing
- ret
-
-; mdmflt - modem filter [30]
-; called with character to be sent to printer in E
-; with parity set as appropriate.
-; return with accumulator = 0 do do nothing,
-; <> 0 to send char in E.
-mdmflt:
- mov a,e ;[30] get character to test
- ret
-
-
-
-; prtflt - printer filter [30]
-; called with character to be sent to printer in E
-; returns with a = 0 to do nothing
-; a <> 0 to print it.
-;
-; this routine for those printer that automatically insert
-; a lf on cr, or cr for lf. Should this be shifted to
-; the system indep. stuff, in say 4.06?
-prtflt:
- mov a,e ; [30] get character to test
- ret
-
-
-;\f
-;
-; system-dependent processing for BYE command.
-; for apmmdm, heath, and lobo, hang up the phone.
-sysbye:
- ret
-;\f
-; This is the system-dependent command to change the baud rate.
-; DE contains the two-byte value from the baud rate table; this
-; value is also stored in 'speed'.
-sysspd:
-
-IF (cifer AND NOT cifaux); This one is wierd..
- ; send an escape string to the screen to set rate.
- push d ; Save the data returned
- lxi d,cifbrt ; send the start of the escape string (esc ?)
- call prtstr ;
- pop psw ; get data into a (and flags>..)
- inr a ; need to send (a+1-1) 'N' to screen
- push psw ; we will need the data again
- call cifnos ; send a set of Ns to the screen
- pop psw ; (which then sets the VL line on the screen
- call cifnos ; processor card)
- call prcrlf ; cr will terminate.. a crlf is handy
- ret
-
-cifnos: dcr a ; if result = 0 then done
- jz cifno1 ; if done then say 'Y' for yes.
- push psw
- mvi e,'N' ; else send a string of Ns to screen processor
- mvi c,dconio
- call bdos
- pop psw
- jmp cifnos
-cifno1: mvi e,'Y'
- mvi c,dconio
- call bdos
- ret ; sent a sring of 0 or more N then a Y
-
-cifbrt: db esc,'?$' ; start setting baud rate string
-ENDIF ;cifer AND NOT cifaux
-
-IF cifaux; [JAS] Set baud rate by massaging LIPARM/LOPARM and calling
- ;CIOPS routine
-; Set up speed byte in first location of tables
- lhld coptbl ; Now sort out baud rate
- mov a,e ; That's output speed
- mov m,a
- xchg
- lhld ciptbl
- mov m,a ; Input speed
-; Call CIOPS routine SETLNSPD with tables in appropriate rp's
-cifiop equ $+1
- call $ ; Poked by sysinit
- ret
-
-coptbl: dw 0
-ciptbl: dw 0
-ENDIF; cifaux
-
-;\f
-; Speed tables
-; (Note that speed tables MUST be in alphabetical order for later
-; lookup procedures, and must begin with a value showing the total
-; number of entries. The speed help tables are just for us poor
-; humans.
-
-; db string length,string,divisor (2 identical bytes or 1 word)
-; [Toad Hall]
-
-IF cifer
-spdtbl: db 10h ;16 entries
- db 03h,'110$', 02h,02h
- db 04h,'1200$', 07h,07h
- db 05h,'134.5$', 03h,03h
- db 03h,'150$', 04h,04h
- db 04h,'1800$', 08h,08h
- db 05h,'19200$', 0fh,0fh
- db 04h,'2000$', 09h,09h
- db 04h,'2400$', 0ah,0ah
- db 03h,'300$', 05h,05h
- db 04h,'3600$', 0bh,0bh
- db 04h,'4800$', 0ch,0ch
- db 02h,'50$', 00h,00h
- db 03h,'600$', 06h,06h
- db 04h,'7200$', 0dh,0dh
- db 02h,'75$', 01h,01h
- db 04h,'9600$', 0eh,0eh
-
-sphtbl: db cr,lf,' 50 75 110 134.5 150 300 600 1200'
- db cr,lf,' 1800 2000 2400 3600 4800 7200 9600 19200$'
-ENDIF;cifer
-
-; The following conditionals were once a huge if not statement. There
-; wasn't enough room to add the lobo to the list, so it had to be broken
-; into 2, which you can't do with an if not. I redid it as two ifs and
-; applied them to those that wouldn't set baud. [Hal Hostetler]
-;\f
-; This is the system-dependent SET PORT command.
-; HL contains the argument from the command table.
-sysprt:
-IF iobyt
- mov a,m ;Get the I/O byte
- sta prtiob ;Save the desired IO byte for this port
- inx h ;Point at next entry
- mov a,m ;Get the output function
- sta prtfun ;Save it
-ENDIF;iobyt
-
- ret
-;\f
-;
-;
-; Port tables for GENERIC CPM 2.2
-IF gener
-; help text
-prhtbl: db cr,lf,'CRT device'
- db cr,lf,'PTR device'
- db cr,lf,'TTY device'
- db cr,lf,'UC1 device'
- db cr,lf,'UR1 device'
- db cr,lf,'UR2 device$'
-
-; command table
-prttbl: db 06H ;Six devices to choose from
- db 03H,'CRT$'
- dw crtptb
- db 03H,'PTR$'
- dw ptrptb
- db 03H,'TTY$'
- dw ttyptb
- db 03H,'UC1$'
- dw uc1ptb
- db 03H,'UR1$'
- dw ur1ptb
- db 03H,'UR2$'
- dw ur2ptb
-
-; port entry table
-; table entries are:
-; db iobyte-value, BDOS output function, reserved
-crtptb: db crtio,conout,0
-ptrptb: db ptrio,punout,0
-ttyptb: db ttyio,conout,0
-uc1ptb: db uc1io,conout,0
-ur1ptb: db ur1io,punout,0
-ur2ptb: db ur2io,punout,0
-ENDIF;gener
-
-;\f
-;
-IF cifer ; no ports yet...
-prttbl EQU 0
-prhtbl EQU 0 ;
-ENDIF; cifer
-
-IF iobyt
-prtfun: db punout ;Function to use for output to comm port
-prtiob: db batio ;I/O byte to use for communicating
-ENDIF;iobyt
-
-IF NOT (iobyt OR lobo OR cifer) ;[hh]
-prttbl equ 0 ; SET PORT is not supported
-prhtbl equ 0
-ENDIF;NOT (iobyt OR lobo OR cifer)
-
-;\f
-;
-; selmdm - select modem port
-; selcon - select console port
-; selmdm is called before using inpmdm or outmdm;
-; selcon is called before using inpcon or outcon.
-; For iobyt systems, diddle the I/O byte to select console or comm port;
-; For Decision I, switches Multi I/O board to console or modem serial
-; port. [Toad Hall]
-; For the rest, does nothing.
-; preserves bc, de, hl.
-selmdm:
-IF iobyt
- lda prtiob ;Set up for output to go to the comm port
- sta iobyte ;Switch byte directly
-ENDIF;iobyt
-
- ret
-
-selcon:
-IF iobyt
- lda coniob ;Set up for output to go to the console port
- sta iobyte ;Switch directly
-ENDIF;iobyt
-
- ret
-;\f
-; Get character from console, or return zero.
-; result is returned in A. destroys bc, de, hl.
-;
-inpcon:
-IF NOT iobyt
- mvi c,dconio ;Direct console I/O BDOS call.
- mvi e,0FFH ;Input.
- call BDOS
-ENDIF;NOT iobyt
-
-IF iobyt
- call bconst ;Get the status
- ora a ;Anything there?
- rz ;No, forget it
- call bconin ;Yes, get the character
-ENDIF;iobyt
- ret
-;\f
-;
-; Output character in E to the console.
-; destroys bc, de, hl
-;
-outcon:
-
-IF NOT iobyt
- mvi c,dconio ;Console output bdos call.
- call bdos ;Output the char to the console.
-ENDIF;NOT iobyt
-
-IF iobyt
- mov c,e ;Character
- call bcnout ;to Console
-ENDIF;iobyt
- ret
-;\f
-;
-; outmdm - output a char from E to the modem.
-; the parity bit has been set as necessary.
-; returns nonskip; bc, de, hl preserved.
-outmdm:
-IF inout
- in mnprts ;Get the output done flag.
- ani output ;Is it set?
- jz outmdm ;If not, loop until it is.
- mov a,e
- out mnport ;Output it.
- ret
-ENDIF;inout
-
-IF iobyt
-;**** Note that we enter from outpkt with the I/O byte already set up for
-; output to go to the comm port
- push h
- push b
- lda prtfun ;Get the output function
- mov c,a ;Into C
- call bdos ;And output the character
- pop b
- pop h
- ret
-ENDIF;iobyt
-
-IF cifer3 ; [JAS]
- push h
- push b
- mvi c,auxout ;Output to the aux output device
- call bdos
- pop b
- pop h
- ret
-ENDIF;cifer3
-
-
-;\f
-;
-; get character from modem; return zero if none available.
-; for IOBYT systems, the modem port has already been selected.
-; destroys bc, de, hl.
-inpmdm:
-IF iobyt
- call bconst ;Is Char at COMM-Port?
- ora a ;something there?
- rz ; return if nothing there
- call bconin ; data present. read data.
-ENDIF;iobyt
-
-IF inout
-;Note: modem port should already be selected for mdI. [Toad Hall]
- in mnprts ;Get the port status into A.
- ani input ;See if the input ready bit is on.
- rz ;If not then return.
- in mnport ;If so, get the char.
-ENDIF;inout
-
-IF cifer3 ; [JAS]
- mvi c,auxist
- call bdos ;is char at auxin?
- ora a ;something there?
- rz ;no
- mvi c,auxin
- call bdos ;read char from auxin
-ENDIF;cifer3
-
-ret ; return with character in A
-
-
-;
-; flsmdm - flush comm line.
-; Modem is selected.
-; Currently, just gets characters until none are available.
-
-flsmdm: call inpmdm ; Try to get a character
- ora a ; Got one?
- jnz flsmdm ; If so, try for another
- ret ; Receiver is drained. Return.
-
-
-;\f
-;
-; lptstat - get the printer status. Return a=0 if ok, or 0ffh if not.
-lptstat:
-IF iobyte ;[33]
- call bprtst ; get status
-ENDIF ;iobyte[33]
-IF NOT iobyte ;[33]
- xra a ; assume it is ok.. this may not be necessary
-ENDIF ;iobyte [33]
- ret
-;\f
-;
-; outlpt - output character in E to printer
-; console is selected.
-; preserves de.
-outlpt:
- push d ; save DE in either case
- call prtflt ; go through printer filter [30]
- ana a ; if A = 0 do nothing,
- jz outlp1 ; [30] if a=0 do nothing
-
-IF NOT iobyte
- mvi c,lstout
- call bdos ;Char to printer
-ENDIF;NOT iobyt
-IF iobyt
- mov c,e
- call blsout
-ENDIF;iobyt
-
-outlp1: pop d ; restore saved register pair
- ret
-;\f
-;
-; Screen manipulation routines
-; csrpos - move to row B, column C
-;
-; csrpos for terminals that use a leadin sequence followed
-; by (row + 31.) and (column + 31.)
-;
-IF cifer ; [14] cifer does it colums then rows.. swap b and c
-csrpos: push b ; save coordinates
- lxi d,curldn ; get cursor leadin sequence
- call prtstr ; print it
- pop h ; restore coordinates
- mov a,l ; [obs] get column
- adi (' '-1) ; space is column one
- mov e,a
- push h
- call outcon ; output row
- pop h
- mov a,h ; [obs] get row
- adi (' '-1) ; space is row one
- mov e,a
- jmp outcon ; output it and return
-ENDIF; cifer
-
-;
-;
-; delchr - make delete look like a backspace. Unless delete is a printing
-; character, we just need to print a backspace. (we'll output clrspc
-; afterwards)
-; For Kaypro and Vector General, delete puts a blotch on the screen.
-; For Apple and Osborne 1, delete moves but doesn't print.
-delchr:
- mvi e,bs
- call outcon
-
-; erase the character at the current cursor position
-clrspc: mvi e,' '
- call outcon
- mvi e,bs ;get a backspace
- jmp outcon
-
-; erase the current line
-clrlin: lxi d,eralin
- jmp prtstr
-
-; erase the whole screen, and go home. preserves b (but not c)
-clrtop: lxi d,erascr
- jmp prtstr
-
-
-IF cifer AND NOT cifaux ;[13]
-ttytyp: db 'Cifer 1886 (Parity set to space only)$'
-ENDIF; cifer AND NOT cifaux
-
-IF cifaux ;JAS
-ttytyp: db ' Cifer 1886 $'
-ENDIF; cifaux
-
-IF cifer ;[JAS]
-sysver: db ' Cifer 1886 $' ;
-outlin: db esc,'J',cr,lf,tab,tab,'$'
-eralin: db esc,'^K$' ;Clear to end of line.
-erascr: db esc,'J$' ;Clear screen and go home.
-curldn: db esc,'P$' ;Cursor lead-in
-ttab: ;Table start location.
-ta: db esc,'A$',0 ;Cursor up.
-tb: db esc,'@$',0 ;Cursor down.
-tc: db esc,'C$',0 ;Cursor right.
-td: db esc,'D$',0 ;Cursor left.
-te: db esc,'J',0,0 ;Clear screen and home cursor
-tf: db '$',0,0,0 ;(can't) Enter Graphics mode
-tg: db '$',0,0,0 ;(can't) Exit Graphics mode
-th: db esc,'H$',0 ;Cursor home.
-ti: db esc,'@$',0 ;reverse linfeed
-tj: db esc,'B$',0 ;Clear to end of screen
-tk: db esc,'K$',0 ;Clear to end of line.
-ENDIF;cifer
-;
-IF cifer AND NOT cifaux ;[JAS]
-; Setup string for the Cifer.. called as a prtstr param. from sysinit
-ciferi: db esc,'/' ;Setup cifer for on line
- db esc,'*[' ; direct mode on
- db esc,'%' ; protocol on host line on
- db esc,'*~x' ; protocol is xon/xoff
- db esc,'*(' ; protocol out on host is xon/xoff
- db esc,'? NNNY',cr ; set VL port to space parity
- ; It cannot do NONE.. Thanks a lot
- db '$' ; all done
-; Finish string for the Cifer.. called as a prtstr param. from sysexit
-cifero: db esc,'&' ; Host input protocol off
- db esc,'*)' ; Host output protocol off
- db esc,'*]' ; Direct mode off
- db esc,'\' ; Setup cifer for off line
- db '$'
-; Break string for cifer VL port.
-brkmes: db esc,'*"$' ;Send a break command string
-ENDIF;cifer AND NOT cifaux [13]
-
-ovlend equ $ ; End of overlay
-
- END
-\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a
+IF NOT lasm\r
+.printx * CPXCIF.ASM *\r
+ENDIF ;NOT lasm\r
+; KERMIT - (Celtic for "FREE")\r
+;\r
+; This is the CP/M-80 implementation of the Columbia University\r
+; KERMIT file transfer protocol.\r
+;\r
+; Version 4.0\r
+;\r
+; Copyright June 1981,1982,1983,1984,1985\r
+; Columbia University\r
+;\r
+; Originally written by Bill Catchings of the Columbia University Center for\r
+; Computing Activities, 612 W. 115th St., New York, NY 10025.\r
+;\r
+; Contributions by Frank da Cruz, Daphne Tzoar, Bernie Eiben,\r
+; Bruce Tanner, Nick Bush, Greg Small, Kimmo Laaksonen, Jeff Damens, and many\r
+; others.\r
+;\r
+; This file contains the system dependent part for Cifer systems, and\r
+; is based on code contributed by John Shearwood of Birmingham\r
+; University. This file was originally CPXTOR.ASM but now an \r
+; FAMILY file on its own.\r
+;\r
+; This file has code that supports Cifer 1886/2886 systems, running \r
+; either CP/M Version 2.2 or 3.0, and driving the VL or AUX port.\r
+; xxx is a three letter abbrev. for the system you are adding.\r
+;\r
+; revision history:\r
+;\r
+; edit 2, 21 July, 1987 by OBSchou to bring it into line for use with \r
+; CPXCOM.ASM.\r
+;\r
+; edit 1, 14 July by OBSchou for John Shearwood of Birmingham University, UK.\r
+; His edits ar based on the former CPXTOR.ASM family file.\r
+;\r
+; edit 4, Apr 7 1987, JA Shearwood. Add support for Cifer Aux port.\r
+; edit 2, Mar 17 1987, JA Shearwood Add support for Cifer CP/M Plus\r
+;\r
+; Keep module name, edit number, and last revision date in memory.\r
+family: db 'CPXCIF.ASM (2) 14-Jul-87 $'\r
+;\f\r
+; Assembly time message to let me know I'm building the right version.\r
+; LASM generates an 'S' error along with the message, which is messy, but\r
+; better than trying to put everything inside a IF m80 OR mac80 conditional,\r
+; because LASM doesn't like nested IF's, either.\r
+\r
+IF cifer\r
+.printx * Assembling Kermit-80 for Cifer 1886 *\r
+ENDIF\r
+\r
+IF cifer3\r
+.printx * with CP/M Plus\r
+ENDIF\r
+\r
+IF cifaux\r
+.printx * with AUX port\r
+ENDIF\r
+\r
+;\f\r
+;=========================================================================\r
+; I/O Byte assignments (2-bit fields for 4 devices at loc 3)\r
+;\r
+;bits 6+7 LIST field\r
+; 0 LIST is Teletype device (TTY:)\r
+; 1 LIST is CRT device (CRT:)\r
+; 2 LIST is Lineprinter (LPT:)\r
+; 3 LIST is user defined (UL1:)\r
+;\r
+;bits 4+5 PUNCH field\r
+; 0 PUNCH is Teletype device (TTY:)\r
+; 1 PUNCH is high speed punch (PUN:)\r
+; 2 PUNCH is user defined #1 (UP1:)\r
+; 3 PUNCH is user defined #2 (UP2:)\r
+;\r
+;bits 2+3 READER field\r
+; 0 READER is Teletype device (TTY:)\r
+; 1 READER is high speed reader (RDR:)\r
+; 2 READER is user defined #1 (UR1:)\r
+; 3 READER is user defined #2 (UR2:)\r
+;\r
+;bits 0+1 CONSOLE field\r
+; 0 CONSOLE is console printer (TTY:)\r
+; 1 CONSOLE is CRT device (CRT:)\r
+; 2 CONSOLE is in Batch-mode (BAT:);READER = Input,\r
+; LIST = Output\r
+; 3 CONSOLE is user defined (UC1:)\r
+;\r
+;=========================================================================\r
+\r
+iobyte EQU 03H ;Location of I/O byte\r
+\r
+IF cifer ;[13]\r
+batio equ 80h ; tty: as console\r
+defio equ 81h ; crt: as console\r
+z80 SET TRUE ; although it really is...\r
+ENDIF;cifer [13]\r
+\r
+defesc EQU ']'-100O ;The default escape character.\r
+\r
+; Select initial setting for VT-52 emulation flag.\r
+vtval EQU 1\r
+\r
+IF iobyt ; only CP/M 2.2 and VL port use coniob in CPXCOM\r
+ ; rest use this one\r
+coniob: db 0 ; default console bit pattern\r
+ENDIF ;iobyt\r
+\r
+\r
+\r
+sysxin: ;system initialisation not covered by sysinit\r
+ mvi a,defio\r
+ sta coniob\r
+\r
+IF cifer AND NOT cifaux ; [JAS] Not if AUX port\r
+ lxi d,ciferi\r
+ call prtstr\r
+ENDIF ;cifer AND NOT cifaux\r
+\r
+IF cifaux ; [JAS] Only Aux Port\r
+ lhld 00047h ; Get address of CIOPS table\r
+ lxi d,6fh\r
+ dad d ; Calculate address of SETLNSPD\r
+ shld cifiop\r
+ inx h\r
+ inx h\r
+ inx h\r
+ shld ciflod ; Next entry LODEF\r
+ lxi d,81h-72h\r
+ dad d ; Calculate address of LIDEF\r
+ shld ciflid\r
+ lhld 00045h ; Get address of SYSPTRS table\r
+ lxi d,12h ; Offset for LIDEF pointer\r
+ dad d ; Add to table address\r
+ mov e,m ; Get low byte LIDEF pointer\r
+ inx h\r
+ mov d,m ; Get high byte LIDEF pointer\r
+ push d\r
+ inx h ; LIPARM pointer next\r
+ mov a,m ; Get low byte of LIPARM pointer\r
+ sta ciptbl ; Keep\r
+ inx h\r
+ mov a,m ; Get high byte\r
+ sta ciptbl+1 ; Keep\r
+ lxi d,1eh-15h ; Offset to LODEF\r
+ dad d\r
+ mov e,m ; Low byte\r
+ inx h\r
+ mov d,m ; High byte\r
+ inx h ; LOPARM is next entry\r
+ mov a,m\r
+ sta coptbl ; Keep low byte LOPARM\r
+ inx h\r
+ mov a,m\r
+ sta coptbl+1 ; Keep high byte\r
+; Now set up port for no parity 8 bits xon/xoff protocol both ways\r
+ xchg ; LODEF into hl register\r
+ push h ; Needed later\r
+ mvi a,0\r
+ mov m,a ; Clear byte 0\r
+ inx h\r
+ mov m,a ; Clear byte 1\r
+ inx h\r
+ mvi a,099h ; XON/XOFF protocol, 8bits, no parity\r
+ mov m,a ; Flag into byte 2\r
+ pop h ; Restore address of LODEF\r
+ciflod equ $+1\r
+ call $ ; LODEF routine (poked above)\r
+ pop h ; LIDEF (PUSHed from de earlier)\r
+ push h ; Needed later\r
+ mvi a,0\r
+ mov m,a ; Clear byte 0\r
+ inx h\r
+ mov m,a ; Clear byte 1\r
+ inx h\r
+ mvi a,099h ; XON/XOFF protocol, 8bits, no parity\r
+ mov m,a ; Flag into byte 2\r
+ pop h ; Restore address of LIDEF\r
+ciflid equ $+1\r
+ call $ ; LIDEF routine (poked above)\r
+ lhld ciptbl ; Get current input speed\r
+ mov a,m\r
+ sta speed\r
+ sta speed+1\r
+ mov e,a\r
+ mov d,a\r
+ call sysspd ; Make sure ip and op are the same\r
+ENDIF; cifer AND cifaux \r
+\r
+ ret ; return from system-dependent routine\r
+\r
+;\f\r
+;\r
+; system-dependent termination processing\r
+; If we've changed anything, this is our last chance to put it back.\r
+sysexit:\r
+\r
+IF cifer AND NOT cifaux\r
+ lxi d,cifero\r
+ call prtstr\r
+ENDIF;cifer AND NOT cifaux\r
+\r
+ ret\r
+\r
+;\r
+; system-dependent processing for start of CONNECT command\r
+;\r
+syscon:\r
+ ret\r
+\r
+conmsg: ; Messages printed when entering transparent (CONNECT) mode:\r
+;\f\r
+;\r
+; syscls - system-dependent close routine\r
+; called when exiting transparent session.\r
+;\r
+syscls:\r
+ ret\r
+;\f\r
+;\r
+; sysinh - help for system-dependent special functions.\r
+; called in response to <escape>?, after listing all the\r
+; system-independent escape sequences.\r
+;\r
+sysinh: lxi d,inhlps ; we got options...\r
+ call prtstr ; print them.\r
+\r
+ ret\r
+\r
+\r
+;additional, system-dependent help for transparent mode\r
+; (two-character escape sequences)\r
+inhlps:\r
+\r
+; [16] [18] have added super brain and Torch to the list of Breaking machines.\r
+\r
+IF (cifer AND NOT cifaux)\r
+ db cr,lf,'B Transmit a BREAK'\r
+ENDIF ;(cifer AND NOT cifaux)\r
+ db '$' ;[hh] table terminator\r
+\r
+;\r
+; sysint - system dependent special functions\r
+; called when transparent escape character has been typed;\r
+; the second character of the sequence is in A (and in B).\r
+; returns:\r
+; non-skip: sequence has been processed\r
+; skip: sequence was not recognized\r
+sysint: ani 137O ; convert lower case to upper, for testing...\r
+\r
+; [19] have added superbrain and torch to the list\r
+\r
+IF (cifer AND NOT cifaux)\r
+ cpi 'B' ; send break?\r
+ jz sendbr ; yes, go do it. return nonskip when through.\r
+ENDIF ;(cifer AND NOT cifaux)\r
+\r
+ jmp rskp ; take skip return - command not recognized.\r
+\r
+;\f\r
+\r
+IF (cifer AND NOT cifaux)\r
+sendbr: lxi d,brkmes ; send a break by sending esc * "\r
+ call prtstr ; send to screen => breaks to port\r
+ ret\r
+ENDIF;cifer\r
+\r
+; sysflt - system-dependent filter.\r
+; called with the character in E.\r
+; preserves bc, de, hl.\r
+; note: <xon>,<xoff>,<del>, and <nul> are always discarded.\r
+sysflt:\r
+ mov a,e ; get character for testing\r
+ ret\r
+\r
+; mdmflt - modem filter [30]\r
+; called with character to be sent to printer in E\r
+; with parity set as appropriate.\r
+; return with accumulator = 0 do do nothing,\r
+; <> 0 to send char in E.\r
+mdmflt:\r
+ mov a,e ;[30] get character to test\r
+ ret\r
+\r
+\r
+\r
+; prtflt - printer filter [30]\r
+; called with character to be sent to printer in E\r
+; returns with a = 0 to do nothing\r
+; a <> 0 to print it.\r
+;\r
+; this routine for those printer that automatically insert\r
+; a lf on cr, or cr for lf. Should this be shifted to \r
+; the system indep. stuff, in say 4.06?\r
+prtflt:\r
+ mov a,e ; [30] get character to test\r
+ ret\r
+\r
+\r
+;\f\r
+;\r
+; system-dependent processing for BYE command.\r
+; for apmmdm, heath, and lobo, hang up the phone.\r
+sysbye:\r
+ ret\r
+;\f\r
+; This is the system-dependent command to change the baud rate.\r
+; DE contains the two-byte value from the baud rate table; this\r
+; value is also stored in 'speed'.\r
+sysspd:\r
+\r
+IF (cifer AND NOT cifaux); This one is wierd.. \r
+ ; send an escape string to the screen to set rate.\r
+ push d ; Save the data returned\r
+ lxi d,cifbrt ; send the start of the escape string (esc ?)\r
+ call prtstr ;\r
+ pop psw ; get data into a (and flags>..)\r
+ inr a ; need to send (a+1-1) 'N' to screen\r
+ push psw ; we will need the data again\r
+ call cifnos ; send a set of Ns to the screen\r
+ pop psw ; (which then sets the VL line on the screen \r
+ call cifnos ; processor card)\r
+ call prcrlf ; cr will terminate.. a crlf is handy\r
+ ret\r
+\r
+cifnos: dcr a ; if result = 0 then done\r
+ jz cifno1 ; if done then say 'Y' for yes.\r
+ push psw\r
+ mvi e,'N' ; else send a string of Ns to screen processor\r
+ mvi c,dconio\r
+ call bdos\r
+ pop psw\r
+ jmp cifnos\r
+cifno1: mvi e,'Y'\r
+ mvi c,dconio\r
+ call bdos\r
+ ret ; sent a sring of 0 or more N then a Y\r
+\r
+cifbrt: db esc,'?$' ; start setting baud rate string\r
+ENDIF ;cifer AND NOT cifaux\r
+\r
+IF cifaux; [JAS] Set baud rate by massaging LIPARM/LOPARM and calling\r
+ ;CIOPS routine\r
+; Set up speed byte in first location of tables\r
+ lhld coptbl ; Now sort out baud rate\r
+ mov a,e ; That's output speed\r
+ mov m,a\r
+ xchg\r
+ lhld ciptbl\r
+ mov m,a ; Input speed\r
+; Call CIOPS routine SETLNSPD with tables in appropriate rp's\r
+cifiop equ $+1\r
+ call $ ; Poked by sysinit\r
+ ret\r
+\r
+coptbl: dw 0\r
+ciptbl: dw 0\r
+ENDIF; cifaux\r
+\r
+;\f\r
+; Speed tables\r
+; (Note that speed tables MUST be in alphabetical order for later\r
+; lookup procedures, and must begin with a value showing the total\r
+; number of entries. The speed help tables are just for us poor\r
+; humans.\r
+\r
+; db string length,string,divisor (2 identical bytes or 1 word)\r
+; [Toad Hall]\r
+\r
+IF cifer \r
+spdtbl: db 10h ;16 entries\r
+ db 03h,'110$', 02h,02h\r
+ db 04h,'1200$', 07h,07h\r
+ db 05h,'134.5$', 03h,03h\r
+ db 03h,'150$', 04h,04h\r
+ db 04h,'1800$', 08h,08h\r
+ db 05h,'19200$', 0fh,0fh\r
+ db 04h,'2000$', 09h,09h\r
+ db 04h,'2400$', 0ah,0ah\r
+ db 03h,'300$', 05h,05h\r
+ db 04h,'3600$', 0bh,0bh\r
+ db 04h,'4800$', 0ch,0ch\r
+ db 02h,'50$', 00h,00h\r
+ db 03h,'600$', 06h,06h\r
+ db 04h,'7200$', 0dh,0dh\r
+ db 02h,'75$', 01h,01h\r
+ db 04h,'9600$', 0eh,0eh\r
+\r
+sphtbl: db cr,lf,' 50 75 110 134.5 150 300 600 1200'\r
+ db cr,lf,' 1800 2000 2400 3600 4800 7200 9600 19200$'\r
+ENDIF;cifer \r
+\r
+; The following conditionals were once a huge if not statement. There\r
+; wasn't enough room to add the lobo to the list, so it had to be broken\r
+; into 2, which you can't do with an if not. I redid it as two ifs and\r
+; applied them to those that wouldn't set baud. [Hal Hostetler]\r
+;\f\r
+; This is the system-dependent SET PORT command.\r
+; HL contains the argument from the command table.\r
+sysprt:\r
+IF iobyt\r
+ mov a,m ;Get the I/O byte\r
+ sta prtiob ;Save the desired IO byte for this port\r
+ inx h ;Point at next entry\r
+ mov a,m ;Get the output function\r
+ sta prtfun ;Save it\r
+ENDIF;iobyt\r
+\r
+ ret\r
+;\f\r
+;\r
+;\r
+; Port tables for GENERIC CPM 2.2\r
+IF gener\r
+; help text\r
+prhtbl: db cr,lf,'CRT device'\r
+ db cr,lf,'PTR device'\r
+ db cr,lf,'TTY device'\r
+ db cr,lf,'UC1 device'\r
+ db cr,lf,'UR1 device'\r
+ db cr,lf,'UR2 device$'\r
+\r
+; command table\r
+prttbl: db 06H ;Six devices to choose from\r
+ db 03H,'CRT$'\r
+ dw crtptb\r
+ db 03H,'PTR$'\r
+ dw ptrptb\r
+ db 03H,'TTY$'\r
+ dw ttyptb\r
+ db 03H,'UC1$'\r
+ dw uc1ptb\r
+ db 03H,'UR1$'\r
+ dw ur1ptb\r
+ db 03H,'UR2$'\r
+ dw ur2ptb\r
+\r
+; port entry table\r
+; table entries are:\r
+; db iobyte-value, BDOS output function, reserved\r
+crtptb: db crtio,conout,0\r
+ptrptb: db ptrio,punout,0\r
+ttyptb: db ttyio,conout,0\r
+uc1ptb: db uc1io,conout,0\r
+ur1ptb: db ur1io,punout,0\r
+ur2ptb: db ur2io,punout,0\r
+ENDIF;gener\r
+\r
+;\f\r
+;\r
+IF cifer ; no ports yet...\r
+prttbl EQU 0\r
+prhtbl EQU 0 ;\r
+ENDIF; cifer\r
+\r
+IF iobyt\r
+prtfun: db punout ;Function to use for output to comm port\r
+prtiob: db batio ;I/O byte to use for communicating\r
+ENDIF;iobyt\r
+\r
+IF NOT (iobyt OR lobo OR cifer) ;[hh]\r
+prttbl equ 0 ; SET PORT is not supported\r
+prhtbl equ 0\r
+ENDIF;NOT (iobyt OR lobo OR cifer)\r
+\r
+;\f\r
+;\r
+; selmdm - select modem port\r
+; selcon - select console port\r
+; selmdm is called before using inpmdm or outmdm;\r
+; selcon is called before using inpcon or outcon.\r
+; For iobyt systems, diddle the I/O byte to select console or comm port;\r
+; For Decision I, switches Multi I/O board to console or modem serial\r
+; port. [Toad Hall]\r
+; For the rest, does nothing.\r
+; preserves bc, de, hl.\r
+selmdm:\r
+IF iobyt\r
+ lda prtiob ;Set up for output to go to the comm port\r
+ sta iobyte ;Switch byte directly\r
+ENDIF;iobyt\r
+\r
+ ret\r
+\r
+selcon:\r
+IF iobyt\r
+ lda coniob ;Set up for output to go to the console port\r
+ sta iobyte ;Switch directly\r
+ENDIF;iobyt\r
+\r
+ ret\r
+;\f\r
+; Get character from console, or return zero.\r
+; result is returned in A. destroys bc, de, hl.\r
+;\r
+inpcon:\r
+IF NOT iobyt\r
+ mvi c,dconio ;Direct console I/O BDOS call.\r
+ mvi e,0FFH ;Input.\r
+ call BDOS\r
+ENDIF;NOT iobyt\r
+\r
+IF iobyt\r
+ call bconst ;Get the status\r
+ ora a ;Anything there?\r
+ rz ;No, forget it\r
+ call bconin ;Yes, get the character\r
+ENDIF;iobyt\r
+ ret\r
+;\f\r
+;\r
+; Output character in E to the console.\r
+; destroys bc, de, hl\r
+;\r
+outcon:\r
+\r
+IF NOT iobyt\r
+ mvi c,dconio ;Console output bdos call.\r
+ call bdos ;Output the char to the console.\r
+ENDIF;NOT iobyt\r
+\r
+IF iobyt\r
+ mov c,e ;Character\r
+ call bcnout ;to Console\r
+ENDIF;iobyt\r
+ ret\r
+;\f\r
+;\r
+; outmdm - output a char from E to the modem.\r
+; the parity bit has been set as necessary.\r
+; returns nonskip; bc, de, hl preserved.\r
+outmdm:\r
+IF inout\r
+ in mnprts ;Get the output done flag.\r
+ ani output ;Is it set?\r
+ jz outmdm ;If not, loop until it is.\r
+ mov a,e\r
+ out mnport ;Output it.\r
+ ret\r
+ENDIF;inout\r
+\r
+IF iobyt\r
+;**** Note that we enter from outpkt with the I/O byte already set up for\r
+; output to go to the comm port\r
+ push h\r
+ push b\r
+ lda prtfun ;Get the output function\r
+ mov c,a ;Into C\r
+ call bdos ;And output the character\r
+ pop b\r
+ pop h\r
+ ret\r
+ENDIF;iobyt\r
+\r
+IF cifer3 ; [JAS]\r
+ push h\r
+ push b\r
+ mvi c,auxout ;Output to the aux output device\r
+ call bdos\r
+ pop b\r
+ pop h\r
+ ret\r
+ENDIF;cifer3\r
+\r
+\r
+;\f\r
+;\r
+; get character from modem; return zero if none available.\r
+; for IOBYT systems, the modem port has already been selected.\r
+; destroys bc, de, hl.\r
+inpmdm:\r
+IF iobyt\r
+ call bconst ;Is Char at COMM-Port?\r
+ ora a ;something there?\r
+ rz ; return if nothing there\r
+ call bconin ; data present. read data.\r
+ENDIF;iobyt\r
+\r
+IF inout\r
+;Note: modem port should already be selected for mdI. [Toad Hall]\r
+ in mnprts ;Get the port status into A.\r
+ ani input ;See if the input ready bit is on.\r
+ rz ;If not then return.\r
+ in mnport ;If so, get the char.\r
+ENDIF;inout\r
+\r
+IF cifer3 ; [JAS]\r
+ mvi c,auxist\r
+ call bdos ;is char at auxin?\r
+ ora a ;something there?\r
+ rz ;no\r
+ mvi c,auxin\r
+ call bdos ;read char from auxin\r
+ENDIF;cifer3\r
+\r
+ret ; return with character in A\r
+\r
+\r
+;\r
+; flsmdm - flush comm line.\r
+; Modem is selected.\r
+; Currently, just gets characters until none are available.\r
+\r
+flsmdm: call inpmdm ; Try to get a character\r
+ ora a ; Got one?\r
+ jnz flsmdm ; If so, try for another\r
+ ret ; Receiver is drained. Return.\r
+\r
+\r
+;\f\r
+;\r
+; lptstat - get the printer status. Return a=0 if ok, or 0ffh if not.\r
+lptstat:\r
+IF iobyte ;[33]\r
+ call bprtst ; get status\r
+ENDIF ;iobyte[33]\r
+IF NOT iobyte ;[33]\r
+ xra a ; assume it is ok.. this may not be necessary\r
+ENDIF ;iobyte [33]\r
+ ret\r
+;\f\r
+;\r
+; outlpt - output character in E to printer\r
+; console is selected.\r
+; preserves de.\r
+outlpt:\r
+ push d ; save DE in either case\r
+ call prtflt ; go through printer filter [30]\r
+ ana a ; if A = 0 do nothing,\r
+ jz outlp1 ; [30] if a=0 do nothing\r
+\r
+IF NOT iobyte\r
+ mvi c,lstout\r
+ call bdos ;Char to printer\r
+ENDIF;NOT iobyt\r
+IF iobyt\r
+ mov c,e\r
+ call blsout\r
+ENDIF;iobyt\r
+\r
+outlp1: pop d ; restore saved register pair\r
+ ret\r
+;\f\r
+;\r
+; Screen manipulation routines\r
+; csrpos - move to row B, column C\r
+;\r
+; csrpos for terminals that use a leadin sequence followed\r
+; by (row + 31.) and (column + 31.)\r
+;\r
+IF cifer ; [14] cifer does it colums then rows.. swap b and c\r
+csrpos: push b ; save coordinates\r
+ lxi d,curldn ; get cursor leadin sequence\r
+ call prtstr ; print it\r
+ pop h ; restore coordinates\r
+ mov a,l ; [obs] get column\r
+ adi (' '-1) ; space is column one\r
+ mov e,a\r
+ push h\r
+ call outcon ; output row\r
+ pop h\r
+ mov a,h ; [obs] get row\r
+ adi (' '-1) ; space is row one\r
+ mov e,a\r
+ jmp outcon ; output it and return\r
+ENDIF; cifer \r
+\r
+;\r
+;\r
+; delchr - make delete look like a backspace. Unless delete is a printing\r
+; character, we just need to print a backspace. (we'll output clrspc\r
+; afterwards)\r
+; For Kaypro and Vector General, delete puts a blotch on the screen.\r
+; For Apple and Osborne 1, delete moves but doesn't print.\r
+delchr:\r
+ mvi e,bs\r
+ call outcon\r
+\r
+; erase the character at the current cursor position\r
+clrspc: mvi e,' '\r
+ call outcon\r
+ mvi e,bs ;get a backspace\r
+ jmp outcon\r
+\r
+; erase the current line\r
+clrlin: lxi d,eralin\r
+ jmp prtstr\r
+\r
+; erase the whole screen, and go home. preserves b (but not c)\r
+clrtop: lxi d,erascr\r
+ jmp prtstr\r
+\r
+\r
+IF cifer AND NOT cifaux ;[13]\r
+ttytyp: db 'Cifer 1886 (Parity set to space only)$'\r
+ENDIF; cifer AND NOT cifaux\r
+\r
+IF cifaux ;JAS\r
+ttytyp: db ' Cifer 1886 $'\r
+ENDIF; cifaux\r
+\r
+IF cifer ;[JAS]\r
+sysver: db ' Cifer 1886 $' ;\r
+outlin: db esc,'J',cr,lf,tab,tab,'$'\r
+eralin: db esc,'^K$' ;Clear to end of line.\r
+erascr: db esc,'J$' ;Clear screen and go home.\r
+curldn: db esc,'P$' ;Cursor lead-in\r
+ttab: ;Table start location.\r
+ta: db esc,'A$',0 ;Cursor up.\r
+tb: db esc,'@$',0 ;Cursor down.\r
+tc: db esc,'C$',0 ;Cursor right.\r
+td: db esc,'D$',0 ;Cursor left.\r
+te: db esc,'J',0,0 ;Clear screen and home cursor\r
+tf: db '$',0,0,0 ;(can't) Enter Graphics mode\r
+tg: db '$',0,0,0 ;(can't) Exit Graphics mode\r
+th: db esc,'H$',0 ;Cursor home.\r
+ti: db esc,'@$',0 ;reverse linfeed\r
+tj: db esc,'B$',0 ;Clear to end of screen\r
+tk: db esc,'K$',0 ;Clear to end of line.\r
+ENDIF;cifer\r
+;\r
+IF cifer AND NOT cifaux ;[JAS]\r
+; Setup string for the Cifer.. called as a prtstr param. from sysinit\r
+ciferi: db esc,'/' ;Setup cifer for on line\r
+ db esc,'*[' ; direct mode on\r
+ db esc,'%' ; protocol on host line on\r
+ db esc,'*~x' ; protocol is xon/xoff\r
+ db esc,'*(' ; protocol out on host is xon/xoff\r
+ db esc,'? NNNY',cr ; set VL port to space parity\r
+ ; It cannot do NONE.. Thanks a lot\r
+ db '$' ; all done\r
+; Finish string for the Cifer.. called as a prtstr param. from sysexit\r
+cifero: db esc,'&' ; Host input protocol off\r
+ db esc,'*)' ; Host output protocol off\r
+ db esc,'*]' ; Direct mode off\r
+ db esc,'\' ; Setup cifer for off line\r
+ db '$'\r
+; Break string for cifer VL port.\r
+brkmes: db esc,'*"$' ;Send a break command string\r
+ENDIF;cifer AND NOT cifaux [13]\r
+\r
+ovlend equ $ ; End of overlay\r
+\r
+ END\r
+\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\1a\r
projects / kermit-80.git / blobdiff