mirror of
https://github.com/deater/dos33fsprogs.git
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155 lines
3.1 KiB
Plaintext
155 lines
3.1 KiB
Plaintext
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; defualt screen is -140,120 to 140,-120 with SCRUNCH .8
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; 96? -80 if splitscreen
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SCREEN
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~~~~~~
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CLEAN -- erase screen
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TEXTSCREEN (TS) -- show full screen text
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SPLITSCREEN
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FULLSCREEN
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SETCURSOR x y
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CLEARTEXT (CT)
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CLEARSCREEN (CS)
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FENCE -- enforce screen bounds
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WINDOW -- no wrap no bounds
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WRAP -- turtle wraps around edge
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SETBG -- set background color
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SETWIDTH -- 40 or 80
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GRAPHICS
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~~~~~~~~
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BACK (BK)
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FORWARD (FD)
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HIDETURTLE (HT)
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HOME -- move to center (0,0)
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LEFT (LT)
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RIGHT (RT)
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SETHEADING (SETH) -- set direction
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SETPOS [x y] -- move to X, Y (drawing if appropriate)
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SETX
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SETY
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SHOWTURTLE (ST)
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DOT [x y] -- put dot at x,y w/o moving turtle
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SETPC -- set pen color
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FILL fill area bounded by color by current color
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PENDOWN (PD)
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PENERASE (PE) -- erase instead of draw
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PENREVERSE (PX) -- xor
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PENUP (PU) -- pen up
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LOAD/SAVE
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~~~~~~~~~
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CATALOG p 194 -- lists files in current PREFIX
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SETPREFIX "BLAH -- sort of like chdir
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ERASEFILE (ERF) p 196: ERF "RR
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PR ONLINE shows list of volumes
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READ STATE
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~~~~~~~~~~
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POS -- shows position
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TOWARDS [X Y] -- returns direction you'd need to point at x,y
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XCOR -- print x
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YCOR -- print y
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BACKGROUND
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PEN
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PENCOLOR (PC) -- prints pencolor
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CURSOR -- get cursor location
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SCRUNCH factor .8 by default 280x240?
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TOOT = freq duration, duration is 1/60th of second
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VARIABLES
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~~~~~~~~~
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MAKE "A 5 - define var A with value 5
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PR :A - print value of variable A
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FUNCTIONS
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~~~~~~~~~
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TO BLAH :PARAM
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END
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TEXT (p67)
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~~~~
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( a lot, TODO)
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CHAR -- like CHR$ in BASIC
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ASSEMBLY
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~~~~~~~~
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- note, PRODOS puts things in language card, have to switch back on
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to use ROM routines
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.AUXDEPOSIT loc byte - store to AUX mem
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.AUXEXAMINE loc
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.BLOAD pathname loc
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.BSAVE pathname loc len
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.CALL loc
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.DEPOSIT loc byte
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.EXAMINE loc
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.QUIT exit back to ProDOS
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STARTUP
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~~~~~~~
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can create a file called STARTUP that starts at startup
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whatever is in the STARTUP function is run
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FREESPACE
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~~~~~~~~~
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internally in nodes. 5 Bytes?
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RECYCLE PRINT NODES shows free
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EDITOR
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~~~~~~
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EDIT "FUNCTION
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open apple-A (ALT-A on applewin) accept
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References:
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https://archive.org/details/Apple_Logo_II_Reference_Manual/page/n260/mode/1up
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https://archive.org/details/Learning_With_Apple_Logo_by_Daniel_Watt_1984/page/209/mode/2up
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Memory Map
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$00 -- zero page
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$04-$07 -- text page 1
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$08-$1f -- edit buffer
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$20-$3f -- hi-res page1
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$40-$43 -- load/save buffer
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$44-$47 -- dribble buffer
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$48-$4b -- file buffer 0
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$4c-$4f -- file buffer 1
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$50-$53 -- file buffer 2
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$54-$57 -- file buffer 3
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$58-$5b -- file buffer 4
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$5c-$5f -- file buffer 5
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$60 -- logo data
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$61-$BE -- logo code
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$BF -- free space / prodos
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$C0-$CF -- I/O
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$D0-$FF -- ProDOS
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AUX
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$00 -- zero page
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$20-$3f -- ProDOS
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$40-$7f -- text page1 (80 col)
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$80-$b6 -- node space?
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$b7-$Ba -- main help
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$BB-$BE -- editor help
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$BF -- prodos
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$C0-$CF -- I/O
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$D0-$DF -- Logo code
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$E0-$FF -- ProDOS
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Info
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$300 = max num data files *9 (usually 54)
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$10 = pointer to first page beyond node space (usually $B7)
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$301 = flag for invalid edit buffer
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Can use edit buffer for temp storage, but mark as invalid when done
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Can use the file buffer area, be sure to adjust the max data size
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Can adjust node space but have to do it right at startup
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