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- BBC-BASIC V 3.06 under MS-DOS
- -----------------------------
-
- This implementation operates as the original 6502 version except for :
-
- 1) No graphics are standard or VDU 0-31 calls
- 2) No inbuilt assembler
- 3) Sound is limited to a single channel unless you have a
- Datel MIDI-SYNTH board when full 3 channel sound and
- envelope support are provided.
-
- Keywords supported are :
-
- AND DIV EOR MOD OR ERROR LINE OFF
- STEP SPC TAB( ELSE THEN OPENIN PTR PAGE
- TIME LOMEM HIMEM ABS ACS ADVAL ASC ASN
- ATN BGET COS COUNT DEG ERL ERR EVAL
- EXP EXT FALSE FN GET INKEY INSTR( INT
- LEN LN LOG NOT OPENUP OPENOUT PI POINT(
- POS RAD RND SGN SIN SQR TAN TO
- TRUE USR VAL VPOS CHR$ GET$ INKEY$ LEFT$(
- MID$( RIGHT$( STR$ STRING$( EOF AUTO DELETE LOAD
- LIST NEW OLD RENUMBER SAVE PUT PTR PAGE
- TIME LOMEM HIMEM SOUND BPUT CALL CHAIN CLEAR
- CLOSE CLG CLS DATA DEF DIM DRAW END
- ENDPROC ENVELOPE FOR GOSUB GOTO GCOL IF INPUT
- LET LOCAL MODE MOVE NEXT ON VDU PLOT
- PRINT PROC READ REM REPEAT REPORT RESTORE RETURN
- RUN STOP COLOUR TRACE UNTIL WIDTH VARPTR( FREE
- VARTOP SEG DIR$ FILESEG SIZE PEEK DEEK WEEK
- OSINT HELP OSCLI WHILE ENDWHILE MKDIR RMDIR CHDIR
- MOUSE POKE DOKE WOKE SHELL LPRINT LLIST BEEP
- PLAY PROFF PRON PROMPT$ BYE
-
- The following * commands are supported (paramaters as for 6502) :
-
- *. - Do direcroy
- *BYE - Return to DOS
- *DELETE - Delete a file
- *DRIVE - Change default drive
- *EXEC - Take keyboard input from a file
- *LOAD - Load file at another address
- *RENAME - Change filename
- *RESET - Reset filing system
- *SAVE - Save are of memory
- *SPOOL - Send screen output to file
- *TYPE - Type an ASCII file to screen
-
- Implementation Notes
- --------------------
-
- Full screen editing is supported by use of cursor keys and F1 to act as
- a copy key.
- Escape works as normal to abort things.
- On all file operations, a default extension of .BBC is assumed.
-
- If you have any queries with regard to the use of the program, please contact
- me for further advice.
-
- Jon Welch
- 50 Quarrydale Road
- Sutton In Ashfield
- Notts. NG17 4DR
- Great Britain.