plusBASIC Release History

• v0.27r (2025-12-02)
  • Backspace at begining of input beeps instead of printing a CR/LF
  • Ctrl-R in direct mode recalls previous line if current line is blank instead of reprinting the current entry
  • Ctrl-U in direct mode and INPUT deletes to beginning of entry instead of printing a CR
  • Implemented EDIT lineno
• v0.27q (2025-12-01)
  • Implemented BIN$(), SAVE COLORMAP, added RESET CHRDEF char, ,chrset option to GETCHRDEF$()
  • ImplementedAPPEND file$,addr,len, APPEND file$,@page,addr,len, APPEND file$,!extaddr,len, `APPEND file$,*var$"
  • Backspace when input buffer is empty no longer prints a BS and CR/LF, Ctrl-U backspaces to delete current line instead of printing a CR/LF
• v0.27p (2025-11-09)
  • Added SET SPRITE #spritlenum ..., GETSPRITE(), GETSPRITEX(), GETSPRITEY()
• v0.27o (2025-10-29)
  • Ignore Delete key in direct mode and INPUT
• v0.27n (2025-10-23)
  • Various internal code changes
• v0.27m (2025-10-21)
  • Various internal code changes
• v0.27l (2025-10-19)
  • Added SET KEY REPEAT ON/OFF to enable/disable Direct Mode key repeat, GETKEYRPEAT to return status
  • Key repeat now disabled on cold or warm boot
  • Added KEY REPEAT ON/OFF to enable/disable key repeat during program execution
  • ^K, ^L, ^N, ^O now ignored during INPUT
  • PAUSE jiffies clears key buffer only if interrupted by Ctrl-C
• v0.27k (2025-10-08)
  • Added String formula too complex error on nested EVAL()
• v0.27j (2025-10-01)
  • Various internal code changes
• v0.27i (2025-09-28)
  • Added VARDEF(*array)
  • Added ,ASC opttion to SAVE filespec$,*array$
  • Added LIST *array$ and LLIST array$ ro print contents of a string array.
  • Added new syntax GETPALETTE$(palnum,index) to return a single palette entry
  • Added APPEND INTLIST, APPEND RGBLIST, APPEND TILELIST, APPEND ATTRLIST, APPEND BYTELIST, and APPEND PALETTELIST
• v0.27h (2025-09-21)
  • Printing CHR$(11) now disables color printing mode.
  • NEW and LOAD basic progran clear run arguments returned by ARGS and ARGS$
  • Added parsing of delimited decimal RGB string to RGB() and RGB$
• v0.27g (2025-09-12)
  • SAVE SCREEN file_save_screen now defaults to writing only Screen RAM and Color RAM.
  • Added trailing options PALETTE and BORDERMAP to SAVE SCREEN and write options parameter to file_save_screen
• v0.27f (2025-09-09)
  • Added SET SOUND FAST ON/OFF, GETSOUNDFAST, set_soundfast, and get_soundfast
• v0.27e (2025-08-31)
  • Various internal code changes
• v0.27d (2025-08-21)
  • Fixed Ctrl-C during INPUT not causing BREAK
• v0.27c (2025-08-21)
  • Removed extended palette modes from file_load_palette and file_save_palette
  • Removed ASC/HEX/RGB mode from SAVE PALETTE and LOAD PALETTE
  • Added argument format RRGGBB to RGB$()
• v0.27b (2025-07-07)
  • Added file types hex and rgb to file_load_palette and file_save_palette
  • Added ,HEX and ,RGB options to LOAD PALETTE and SAVE PALETTE
  • Added function FGBDEC$()
  • Moved LOAD PALETTE and SAVE PALETTE to sp.baq and added tests for HEX, ASC, and RGB
• v0.27a (2025-05-25)
  • Changed OPEN var TO filespec$ FOR mode to OPEN filespec$ FOR mode AS var
  • Implemented dos_tell, FILEPOS(), and SET FILE .. POS TO ...
  • Added mode RANDOM to OPEN
  • Added (not debugged) statement PUT CHR and kernel routine page_skip_write
• v0.25e (2025-05-19)
  • Various internal code changes
• v0.25d (2025-05-18)
  • Fixed Type mismatch error in BYTE()
  • Added function CHECKDIR() and kernel routine file_check_ver
  • Hex literals, DEC() and HEX$() now support longs
  • Added statement CHECK VER
  • VER() evaluates .dev as higher than .99 (the current highest major or minor version number)
• v0.25c (2025-05-04)
  • Various internal code changes
• v0.25b (2025-05-03)
  • Various internal code changes
• v0.25a (2025-04-30)
  • Fixed Illegal quantity error in DEF SPRITE (rows,columns),spritle
  • Added functions CURSOROFFSET, CURSORX, CURSORY
• v0.25 (2025-04-23)
  • Various internal code changes
• v0.24l (2025-04-15)
  • Implemented AqExec load to and run from paged RAM
  • Added paged RAM destination to CALL
  • Fixed PUT SCREEN generating Illegal quantity error
• v0.24k (2025-04-07)
  • Fixed PLAY SAMPLE and ^G warm boot infinite loop
  • print_string_immd now preserves HL
• v0.24j (2025-03-28)
  • SAVE routines no longer close all files
  • Fixed OPEN, FILEATTR(), READ KEYS
  • Added OPEN ... APPEND, CLOSE #channel, READ #channel,var$,length, WRITE #channel,^var$
  • Temporarily disable turbo mode during Ctrl-G beep and PLAY SAMPLE
• v0.24i (2025-03-27)
  • Various internal code changes
• v0.24h (2025-03-26)
  • Modified FN_KEY to take string of keycodes instead of ASCII codes and return position in string of key pressed
  • Added REPEAT and UNTIL tokens, PAUSE UNTIL statement, kernel routine bool_setbit_long
• v0.24g (2025-03-16)
  • Renamed and added JOYx() functions. Allowed controller id as argument to JOYxx() functions
• v0.24f (2025-03-10)
  • Added OFFSET()
• v0.24e (2025-03-08)
  • Key read logic rewritten to mimic original INKEY$ logic
  • Added CLEAR KEYS statement, % binary numeric literals
  • UPRKEY, UPRKEY$, LWRKEY, and LWRKEY$ no longer wait for a keypress
  • Added JOYB(), JOYD(), JOYK(), JOYP(), and JOYxx() functions
• v0.24d (2025-02-27)
  • Added INC var and DEC var
  • Fixed ERASE *array
  • Added String length error
  • Added RESET SPRITE with Empty string and String length errors
  • Fixed Syntax arror on negative numbers after DIM var()=
• v0.24c (2025-02-17)
  • Added DEF SPRITE def$=(cols,rows),spritle
  • Fixed SET FNKEY rebooting when string is too long
• v0.24b (2025-02-16)
  • Fixed SET TILE TO CHR statement
  • Added SET TILE *array$
  • Added DEF SPRITE def$=^var$, unimplemented DEF SPRITE def$=(w,h),s
  • SET SPRITE generates Empty string error if spritedef = ""
  • Removed undocumented OPEN() function
• v0.24a (2025-02-09) -Fixed display of plusBASIC version on boot screen
• v0.24 (2025-02-09)
  • Color cycle screen skipped if /system/plusbasic/_skipsplash exists
  • DEF ATTRLIST now allows string operands.
• v0.23u (2025-02-02)
  • Fixed PAD$() overwriting string variables
  • Added PRINT @(), SET CURSOR ON/OFF, GETCURSOR
  • Added SET BORDER CHR/COLOR, RESET BORDER
  • Added GETBORDERCHR, GETBORDERCHR$, GETBORDERCOLOR, GETBORDERCOLOR$
• v0.23t (2025-02-01)
  • Added DUMP VARS
• v0.23s (2025-01-26)
  • Implemented UPR(), UPR$(), LWR(), LWR$(), UPRKEY, UPRKEY$, LWRKEY, LWRKEY$
  • Implemented BIT(string,bit#)
  • Added LONG(), LONG$(), FLOAT(), FLOAT$()
  • INKEY. INKEY$, GETKEY, GETKEY$ now respect SET BREAK OFF
  • Fixed errors in TRIMDIR$ and TRIMEXT$
  • Fixed bug in RGB() and RGB$() with string argument
• v0.23r (2024-12-14)
  • Added PAD$(number,...) where number is converted to string before padding
  • DEF RGBLIST, RGB(), and RGB$() now accept 3 byte binary string of 8-bit R,G,B values
  • Added LEN(*array) which returns length in bytes of data portion of array.
  • Added COPY *array TO ..., COPY ... TO *array, and COPY *array TO *array
• v0.23q (2024-11-29)
  • Removed SGNINT(), added INT(string$) and INT(string$,offset)
  • RGB(), RGB$(), and DEF RGBLIST now accept 8-bit RGB binary string operands
• v0.23p (2024-11-28)
  • SET BREAK OFF causes Ctrl-C to not BREAK out of INPUT
  • Syntax OUT! port,byte allows writing to protected I/O ports
  • boot.bin modified to identify and execute alternate BASIC ROMs
  • Implemented SGNINT() function
• v0.23o (2024-10-27)
  • SET BREAK OFF disables key checks between BASIC statements
  • Fixed Ctrl-D, Ctrl-F, Ctrl-U turbo mode selection
  • plusBASIC now executes ROM images via boot.bin
  • Set S3 BASIC internal revision date to same as S1/S2
  • Removed sys_ver_s3basic and S3BASIC option from VER() and VER()
• v0.23n (2024-10-25)
• Added statement SET TRACK SPEED herz and function TRACKSPEED
• Added Ctrl-U sets Unlimited Turbo while program is running
• Embedded SYSROM filename at $2FF0
• v0.23m (2024-10-21)
  • Implemented PAUSE jiffies
  • Added DEF USRINT, SET USRINT ON/OFF
• v0.23l (2024-10-20)
  • Added statement SET SPEED and function GETSPEED
• v0.23k (2024-10-19)
  • Breaking change
    • Keyword PT3 has been changed to TRACK
  • READ *var$ now parses quoted strings correctly.
  • DIM var$(...)= requires quoted strings unless string is empty
• v0.23j (2024-10-18)
  • Breaking changes
    • FILL BITMAP BYTE is now FILL BITMAP BYTES
    • FILL BYTE is now FILL BYTES
    • FILL WORD is now FILL WORDS
  • Added BYTE(), WORD(), and WORD$() functions
  • Fixed DEC()Overflow error when argument is not a literal string
  • Fixed ASC$() corrupting argument contents
• v0.23i (2024-10-09)
  • Added ATTR(), ATTR$()
  • Implemented GETCOLOR
• v0.23h (2024-09-23)
  • Added ENDKEY, FILESTATUS$(), FILEDATETIME$(), FILEATTR(), and FILELEN()
  • Added optional position argument toASC()
  • Modified enhanced INPUT to exit on Ctrl-X, Tab, Back-Tab, Cursor-Up, and Cursor-Down
• v0.23g (2024-09-18)
  • Fixed DEF SPRITE to error on spritle 63
  • Added AqExec file support to RUN file
• v0.23f (2024-09-13)
  • Added TILEOFFSET()
  • Changed CLEAR COLOR to CLS COLOR {_fg_,_bg_}
  • Added CHR and ATTR options to COPY SCREEN TO... and COPY ... TO SCREEN
  • Enabled OUT port restrictions
• v0.23e (2024-09-07)
  • Various internal code changes
• v0.23d (2024-09-06)
  • Fixed PEEKSCREEN() and PEEKCOLOR() for both 40 and 80 column mode
• v0.23c (2024-09-01)
  • Enabled SET BREAK ON/OFF
  • Fixed PEEK$() Syntax error
  • Added ASC option to SAVE/LOAD PALETTE.
  • Added FAST option to COPY SCREEN TO ... and COPY ... TO SCEEN
  • Added CLEAR COLOR
• v0.23b (2024-08-28)
  • Added extended memory addressing !long to
    • COPY, COMPARE()
    • FILL BYTE, FILL WORD
    • LOAD, SAVE
    • POKE, PEEK(),PEEK$(),DOKE, DEEK
    • PLAY SAMPLE
  • Implemented COPY @page,address TO SCREEN
  • Fixed ARGS always returning 0, ARGS$() crashing system.
  • Fixed DIR returning wrong file size
• v0.23a (2024-08-26)
  • Fixed LOAD BITMAP incorrectly loading 9192 byte legacy bitmaps.
  • Fixed unit test for legacy bitmaps
• v0.23 (2024-08-25)
  • Fixed ptplay.bin not being loaded
  • Fixed RUN rom-files crashing system
  • Fixed LOAD FNKEY
  • Load pt3play.bin from SD card, then esp: if not found
• v0.22y (2024-08-21)
  • Breaking changes
    • FILL {@page},address,oount,byte is now FILL BYTE {@page}, address, oount, byte
    • FILL {@page},address,oount,WORD integer is now FILL WORD {@page}, address, count, integer
    • LOAD COLOR is now LOAD SCREEN ATTR
    • LOAD DIR ... \*array now loads filenames only
    • LOAD DIR ... *array$,BIN replaces old LOAD DIR ... \*array
    • SAVE filespec$,TOK to SAVE filespec$,BIN.
  • New statements and functions
    • APPEND filespec$,^var$
    • BIT(long,bit#)
    • COPY SCREEN TO @page,address
    • FILL COLORMAP
    • JOY$()
    • PT3FAST
    • SET FILE ERROR ON/OFF
    • SET PT3 FAST ON/OFF
  • Updated statements and functions
    • ATN implemented.
    • CLEAR CURSOR
    • FRE(_option_)
      • -1 - Returns the number of bytes in memory not being used by BASlC as unsigned int.
      • 0 - Returns the number of bytes in memory not being used by BASlC as signed int.
      • 1 - Returns the total size of string space (as set by the first argument of CLEAR).
      • 2 - Returns the top of BAexSIC memory (as set by the second argument of CLEAR).
      • "" - Garbage collect and return free string space
    • INPUT (_col_,_row_),_minlen_,_maxlen_,INT _var_
    • LOAD CHRSET
      • 768 byte file loads to characters 32 to 127 (standard ASCII printable)
      • 1024 byte file loads to characters 128 to 255 (high ASCII)
      • 2048 byte file loads entire character set
    • LOAD DIR ... *array$,ASC loads formatted directory
  • Operational changes
    • CLEAR, NEW, and RUN close all files
    • LOAD filespec,@page,address now load more than 64k
    • LOAD BITMAP generates Error 49 if file size does not exactly match one of the supported formats.
    • LOAD basic program sets FILE ERROR ON
    • LOAD binary closes file
    • Renamed Disk I/O error to I/O error
  • Statements and functions now respecting SET FILE ERROR OFF
    • LOAD FNKEYS
    • SAVE/LOAD PALETTE
    • LOAD string
    • LOAD array
    • LOAD DIR
    • DEL
    • MKDIR
    • CD and CD$
  • Bug fixes
    • Syntax error on LOAD filespec$,@page :
    • Syntax error in SET SPRITE ... PALETTE
  • Added unit test front end au.bas, chained unit test programs
  • Updated unit test framework an unit tests
  • Restricted kernel page writes to not write past USER_END.
  • System IRQ handler now preserves all registers
• v0.22x (2024-05-25)
  • Added LOAD TILESET and SAVE TILESET
  • Added SET CHRDEF, GETCHRDEF$(), and SAVE CHRSET
  • Fixed characters 128 - 255 of default character set being overridden
  • INPUT and READ now parse hexademical numbers
  • Added DIM var()=list, READ *var
• v0.22w (2024-05-20)
• Added WAIT, SET BREAK ON/OFF
• Implemented RGB(), DEF USR
• Added syntax OUT port,byte|string$;port,byte|string$...
• Syntax {@page,}address,byte;... to POKE, POKE COLOR, POKE SCREEN, and DOKE
• • ^ operator string substition gives Missing or Too many operands errors. v0.22v (2024-05-19)
• Added JOIN statement
• Added CLEAR *array
• All statements that write to multiple elements of string array, first zero out the array contents, then do a garbage collecion.
• Fixed DIM causes Syntax error after VARPTR()
• v0.22u
• Added string slicing in the form var$[pos] and var$[start TO end]
• Added Bad range error
• Fixed null string causing String too long error when used as an argument in % string substitution
• v0.22t (2024-05-15)
• Added PAD$ function
• v0.22s (2024-05-13)
• Added LOAD BITMAP and SAVE BITMAP
• v0.22r (2024-05-12)
• Added comments starting with apostrophe.
• Fixed silent abort on duplicate line number in LOAD with ASC option.
• v0.22q (2024-05-11)
• Changed DEF TILE TO CHR to SET TILE TO CHR
• Wrote demo program /pbdemo/chrsprite.bas
• v0.22p (2024-05-10)
• Added DEF TILE TO CHR and DEF BYTELIST
• v0.22o (2024-05-09)
• Implemented SAVE SCREEN and LOAD SCREEN statements
• v0.22n (2024-05-08)
• Added SPLIT command
• v0.22m (2024-04-28)
• Fixed spaces after escaped string being tokenized.
• v0.22l (2024-04-21)
• Added INMEM function
• Fixed stomping of temporay string in string trimming functions functions.
• v0.22k (2024-03-24)
• Added SAVE filespec$,CAQ to override SET SAVE ASC and SAVE filespec$,TOK to save raw tokenized program.
• Updated load_basic_program accordingly
• v0.22j (2024-03-20)
• Implemented COPY FILE
• v0.22i (2024-03-20)
• Removed LOAD STRING stub from source and README.md. Add LOAD and SAVE ^var$ to README.md.
• v0.22h (2024-03-19)
• Single PSET, PRESET, and POINT(), along with underlying routines.
• Single FILL BITMAP and CLEAR BITMAP along with underlying routines.
• Replaced SET BITMAP?? with COLOR, GETBITMAP?? with POSX, POSY, and COLOR
• Bitmap routines use EXT_FLAGS bits to determine
• Added DRAW token, USE SCREEN stub.
• v0.22g (2024-03-11)
• Added bitmap_read_sysvars, GETBITMAPBC, GETBITMAPBX, and GETBITMAPBY
• Added bitmap_write_color, bitmap_write_xpos, bitmap_write_ypos, and SET BITMAPBC BITMAPBX BITMAPBY
• Added bitmapc_read_sysvars, GETBITMAPCC, GETBITMAPCX, and GETBITMAPCY
• PSETB, PRESETB, POINTB, PSETC, PRESETC, and POINTC update last-x and last-y system variables
• Changed CLEAR BITMAP to CLEAR BITMAPB, matching syntax of other BITMAP keywords
• Added bitmapc_write_color, bitmapc_write_xpos, bitmapc_write_ypos, and SET BITMAPCC BITMAPCX BITMAPCY
• If PSETB color operand not specified, use color from SET BITMAPCC
• Renamed and reorganized several module assembly language files
• Added bitmap_move
• v0.22f (2024-03-09)
• Implemented PSETC, PRESETC, and POINTC
• Fixed Y-coordinate clipping in PSETB, PRESETB, POTNTB
• v0.22e (2024-03-09)
• Implemented POINTB(), added CLEAR BITMAPC and FILL BITMAPC
• v0.22d (2024-03-08)
• Added CLEAR BITMAP, FILL BITMAP.
• Implemented PSETB and PRESETB
• v0.22c (2024-03-06)
• v0.22c (2024-03-06)
• Fixed syntax error on extended functions VER through VARPTR
• v0.22b (2024-03-04)
• Added KEY(-1)
• v0.22a (2024-03-04)
• Added KEY("keys")
• v0.22 (2024-03-04)
• Added PT3STATUS, PT3LOOP, SET PT3 ON/OFF and fixed PAUSE PT3 while PT3 LOOP is active
• v0.21z (2024-03-01)
• Added pseudovariable ARGS and ARGS$(0)
• v0.21y (2024-02-25)
• Added SWAP VARS statement, ERASE statement, MID$ statement, and INDEX() function
• v0.21x (2024-02-24)
• Added TRIM$, TRIML$, and TRIMR$ functions
• v0.21w (2024-02-21)
• Added GETCHRSET function
• Improved screen switch/swap
• Fixed 80-column color mode printing
• Tweaked Latin-1 character sets
• v0.21v (2024-02-14)
• Added LOAD DIR filename$,*array$
• LOAD array$ ASC and LOAD DIR start at array index 1, put number of lines in index 0
• Updated read/write page checking to match new memory structure
• v0.21u (2024-02-13)
• Added LOAD filename$,*array$,ASC
• v0.21s (2024-02-13)
• Implemented DEF FNx and FNx
• v0.21r (2024-02-13)
• Added function INSTR, kernel routine str_instr
• v0.21q (2024-02-12)
• Added VARPTR() and STRPTR()
• v0.20p (2024-02-12)
• Replaced SCREEN SAVE, SCREEN RESTORE, and SCREEN SWAP with STASH SCREEN, RESTORE SCREEN, and SWAP SCREEN.
• v0.21o (2024-02-12)
• Removed character ROM data from sysrom binary, makerom script now does a simple copy with concatenate
• v0.21n (2024-02-11)
• Fixed 'Unknown error' bug in SAVE paged binary over 32k in length
• v0.21m (2024-02-11)
• Added MOUSEW
• v0.21j (2024-0209)
• Added SAVE/LOAD string arrays
• v0.21h (2024-02-05)
• Modified legal write pages, PLAY SAMPLE allowed pages
• v0.21g (2024-02-03)
• Reactivated JP descramble_rom in files.asm
• v0.21f (2024-02-03)
• Loads ptplay.bin from ESP: instead of SD card
• v0.21e (2024-01-31)
• Added LOOP PT3 [filename]
• v0.21c (2024-01-31)
• Separated pt3player code into loadable module
• v0.21b (2024-01-29)
• Load default and Latin-1 character sets from ESP filesystem
• v0.21a (2024-01-29)
• Added USE CHRSET filename$, changed Ctrl-O to switch to custom chrset, removed Ctrl-P option
• v0.21 (2024-01-27)
• SYSROM loaded in pages 60 through 62 as SoftROM
• v0.20w (2024-01-22)
• Fixed tokenization bug when RUNing BASIC progam files in ASCII format
• v0.20v (2024-01-21)
• Fixed DEF SPRITE [...] x-offset bug
• v0.20u (2024-01-18)
• Added SET SPRITE var$ TILECLIP and debugged str_length
• v0.20s (2024-01-17)
• Added GET/PUT TILEMAP ... ^var$, debugged FILL [@page,]address,WORD int, fixed ASC$() bug.
• v0.20r (2024-01-16)
  • Added TRON and TROFF statements and Extended BASIC jump table. Debugged graphics DEF statements.
• v0.20q (2024-01-14)
  • Finalized esp, paged, dos, and file_io jump table entries
• v0.20n (2024-01-13)
  • Added syntax LIST$(NEXT), replaced all usage of SBUFF in paged memory with STRBUF in main memory
• v0.20m (2024-01-11)
• Added FILL [@page,] start, count, |byte|WORD int|, sys_fill_word, tokens VARS and WORD
• Fixed spurious FC error in GET SCREEN
• Finished GET TILEMAP, PUT_TILEMAP, tilemap_get, and tilemap_put
• v0.20k (2024-01-08)
• Implemented SET TILEMAP (x,y) and tilemap_set_tile
• v0.20j (2024-01-07)
• Allow both , and ; as delimiters in DEF INTLIST
• Fixed ATTR attrs and PALETTE palette# causing syntax error after FILL TILEMAP tile#
• . treated as 0 in hex literal strings and ASC$ function
• v0.20i (2024-01-06)
• Added BASIC functions FILEEXT$(), FILEDIR$(), TRIMDIR$(), TRIMEXT$()
• Added kernel routines file_get_ext, file_trim_dir, file_get_dir, file_trim_ext
• Allow unquoted filename operand for RUN in direct mode
• Added direct mode syntax DEL file file file...
• Added syntax LOAD filename$,@page and SAVE filename$,@page
• Added cartridge diagnostic mode assembly option
• v0.20h (2024-01-02)
• Fixed 8k carts not working
• v0.20g (2023-12-30)
• FILL SCREEN, GET SCREEN, PUT SCREEN now work in both 40 column and 80 column mode
• v0.20f (2023-12-30)
• Added optional comma between end-coordinate and fill character in FILL SCREEN
• v0.20e (2023-12-29)
• Added KEY() function
• v0.20d (2023-12-29)
• Added DEC() function, fixed esp_get_version/VER(0)/VER$(0)
• v0.20c (2023-12-23)
• Refactored (and hopefully fixed) cartridge boot code
• v0.20b (2023-12-17)
• Fixed bug in init_charram
• v0.20a (2023-12-17)
  • Clear BASIC RAM before starting cart. Add IRQ and hook disable, screen reset to hardware cart startup
• v0.20u (2023-12-14)
  • Fixed GETPALETTE$, modded file_load_pt3 to stop any running pt3play process
• v0.19t (2023-12-13)
  • Replaced RESET PT3 with STOP PT3, added PAUSE PT3 and RESUME PT3
• v0.19s (2023-12-12)
  • Fixed CLS when SET COLOR is active
• v0.19r (2023-12-12)
  • Fixed PLAY PT3 and RESET PT3
• v0.19q (2023-12-13)
  • PLAY PT3 fixes
• v0.19p (2023-12-11)
  • implemented PT3 PLAY
• v0.19n (2023-12-08)
  • Added LOAD PALLETE, SAVE PALETTE, RESET PALETTE and RESET SCREEN
• v0.19m (2023-12-08)
  • Fixed routine screen_pos_addr which had broken GET SCREEN and PUT SCREEN
  • Implemented LOAD PT3 statement
• v0.19j (2023-12-04)
  • Fixed printing to screen after SET COLOR
• v0.19i (2023-12-03)
  • Converted plusBASIC patches to hooks to increase cartridge compatibility
• v0.19h (2023-12-02)
  • Fixed ?Syntax error when RUNning ROM
• v0.19g (2023-12-01)
  • Added SET SAVE ASC ON/OFF, preset DAC to $80 to eliminate click at begining of first sample
• v0.19f (2023-11-29)
  • Fixed bank 1 not restored after, clicking in play_sample
• v0.19e (2023-11-28)
  • Moved Extended BASIC hook routines into Bank 1 ROM
• v0.19d (2023-11-27)
  • Moved dos and fileio modules into Aux ROM
• v0.19c (2023-11-26)
  • Consolidated 256-byte aligned tables into tables.asm
  • Fixed Disk I/O error when trying to LOAD/RUN esp:settings
• v0.19b (2023-11-26)
  • DIR now shows 0B instead of B for zero length files.
• v0.19a (2023-11-26)
  • Added /r and /t escape sequences
• v0.19 (2023-11-25)
  • Added backslash escaped strings
• v0.18y (2023-11-24)
  • LOAD and RUN now autodect CAQ vs ASCII when loading BASIC programs. Removed ,ASC option from LOAD.
• v0.18x (2023-11-24)
  • Added SAVE file$,ASC
• v0.18w (2023-11-24
  • Added unpack_line, OUTDO hooks and LINE$() function
• v0.18v (2023-11-23
  • LOAD prog$,ASC allows empty lines, requires line numbers, enforces line number order
• v0.18u (2023-11-22
  • Renamed play_raw to play_paged, then play_sample
  • Added PLAY SAMPLE command, raw2saq.py, and example directory /play_
• v0.18t (2023-11-21
  • Fixed CD and CD$ crash, added preliminary digital sample routine play_raw
• v0.18s (2023-11-20
  • Moved routines into Aux ROM to make more room in System ROM
• v0.18r (2023-11-20
  • Call clear_all_errvars during RUN [Issue #55]
• v0.18q (2023-11-19
  • Added LOAD filnam$,ASC and incomplete OPEN() and LINE INPUT #
• v0.18p (2023-11-18
  • Made CHEAD callable. At end of init_basic_program, jump through basic_link_lines to CHEAD
• v0.18o (2023-11-17
  • Added pair of 256 bytes buffer between stack and string space, fixed CLS in 80 column mode after Ctrl-W
• v0.18m (2023-11-16
  • Added PEEKSCREEN, PEEKSCREEN$, PEEKCOLOR, and PEEKCOLOR$ functions
• v0.18k (2023-11-16
  • Added SAVE FNKEYS, LOAD FNKEYS, and PAUSE string
• v0.18j (2023-11-15
  • Added POKE SCREEN and POKE COLOR statements
• v0.18h (2023-11-14
  • Added Ctrl-T, Ctrl-Y, and Ctrl-W to switch between 40 column screens and 80 column screen in direct mode
• v0.18g (2023-11-14
  • Implemented color printing and scrolling in 80 column mode
• v0.18f (2023-11-14)
  • Added SET COLOR statement, printing and scrolling color text
• v0.18e (2023-11-13)
  • Buffer and restore screens when switching between SCREEN 1, 2 and 3
• v0.18d (2023-11-13)
  • Added 80-column text screen support to PSET/PRESET
• v0.18c (2023-11-13)
  • Added 80 column text screen support, updated LOCATE accordingly
• v0.18b (2023-11-12)
  • Moved cold boot code into Auxiliary ROM
• v0.18a (2023-11-12)
  • Added fpga cores to RUN
• v0.18 (2023-11-12)
  • Moved extended control key evaluation and direct mode function key expansion into Auxiliary ROM
• v0.17w (2023-11-11)
  • Fixed Ctrl-F/Ctrl-D SOUND conflict, F-Key definitions, cold boot custom character ROM not persisting,
• v0.17v (2023-11-10)
  • Added hook to SOUNDS routine to adjust SOUND command and ^G beep in turbo mode
• v0.17u (2023-11-10)
• Fixed error in page_write_word, DOKE @page
• v0.17s (2023-11-10)
  • Moved subroutine STRNGX from s3basic.asm to s3hooks.asm
• v0.17r (2023-11-09)
• Moved all label processing routine from s3basic.asm to s3hooks.asm and misc.asm
• v0.17q (2023-11-08)
• Made precedence of MOD same as multiply and divide
• v0.17p (2023-11-08)
• Added MOD and XOR operators
• v0.17n (2023-11-08)
• Call dos_open_read instead of esp_open. Reset system state before running cartridge. Start/Stop IRQs based on TIMER state.
• v0.17m (2023-11-08)
• Added asm timer routine and Basic TIMER pseudovar. Implemented IM1 interrupt handler with call to timer_click and enabled interrupts on cold start.
• v0.17k (2023-11-07)
• Modified module page.asm to use Bank 1 instead of Bank 2 when doing page to page copies
• v0.17j (2023-11-06)
• Added set SET FNKEY TO string, which assignes autotype strings to F-Keys
• v0.17i (2023-11-06)
• Added LOAD SCREEN, if basic program autoexec exists, run it after cold boot.
• v0.17h (2023-11-06)
• LOAD basic program and LOAD array generate trappable BASIC errors
• v0.17g (2023-11-06)
• Added return to LIST to _scan_label. ON GOTO/GOSUB, LIST, and RUN now accept line labels
• v0.17f (2023-11-05)
• LOAD filename$,address generates BASIC errors
• v0.17d (2023-11-05)
• LOAD filename$,@page,address generates BASIC errors
• v0.17d (2023-11-05)
• Renamed fileio.asm to files.asm, created new fileio.asm, moved dos_load_chrset in dos.asm to file_load_chrset in fileio.asm
• v0.17c (2023-11-05)
• LOAD CHRSET generates BASIC errors
• v0.17b (2023-11-05)
• DIR generates trappable errors
• v0.17 (2023-11-04)
• Added variable-tilde-suffix syntax
• v0.16f (2023-11-04)
• Disable turbo mode at boot
• v0.16e (2023-11-03)
• Added GETSCREENCHR, PUTSCREENCHR, GETSCREENATTR, PUTSCREENATTR
• v0.16d (2023-11-01)
• Simplified SCREEN statement operand list
• v0.16c (2023-10-30)
• Refactore screen_save, screen_restore, ad screen_swap to use either set of screen buffers
• v0.16b (2023-10-30)
• CLEAR issues OVERR if trying to set TOPMEM less than $8400.
• v0.16a (2023-10-29)
• SCREEN SAVE, RESTORE, and SWAP now save and restore cursor state
• v0.16 (2023-10-29)
• Fixed generated ROM length
• Updated SCREEN RESET command and demo programs
• v0.15p (2023-10-28)
• Moved run_cmd to fileio.asm, s3_ctrl_keys to s3hooks.asm. Added FILL SCREEN COLOR
• v0.15o (2023-10-28)
• Moved all screen buffers to page 29. Added code to initialize screen switch buffers on startup
• v0.15o (2023-10-28)
• Added stub for LOAD PALETTE
• v0.15n (2023-10-28)
• Reassigned tokens for ARGS, FILL. Added keywords DOKE, DEEK, ELSE, WRITE. Updated esp_get_mouse, added MOUSEW function and float_signed_byte.
• Direct mode enables text, disables graphics. All other VCTRL bits unchanged. Move main_ext and _stuffh_ext to s3hooks.asm.
• v0.15m (2023-10-28)
• DIR,MKDIR,DEL,CD allow unquoted literal strings in direct mode
• Complete rewrite of SCREEN statement. Added VER(), PAUSE, SCREEN RESET. Cold boot clears entire 80-column screen
• v0.15k (2023-10-24)
• Complete rewrite of SCREEN statement. Added VER(), PAUSE, SCREEN RESET. Cold boot clears entire 80-column screen
• v0.15i (2023-10-23)
• Added VER$() function, fixed Ctrl-O,N,P blowing away text pointer
• Updated and retokenized demo programs
• v0.15h (2023-10-23)
• Shifted extended tokens ($83 and $8E unusable), updated bas2baq and baq3bas accordingly
• v0.15g (2023-10-22)
• Fill visible RAM from $3900 through $BFFF with 0 during cold start
• v0.15f (2023-10-22)
• Modified ISCNTC hook to eat Crtl-D and Ctrl-F
• v0.15e (2023-10-21)
• Breaking Changes: reassigned tokens, changed POKE!, PEEK! COPY!, to POKEINT, PEEKINT, COPY ... FAST. Added SET FAST ON/OFF
• v0.15d (2023-10-21)
• Ctrl-F, Ctrl-D enables/disables turbo mode while BASIC program is running
• v0.15c (2023-10-15)
• Moved keyboard buffer init from _coldboot to _reset
• v0.15b (2023-10-14)
• Enabled and tested FILL TILEMAP statement
• v0.15a (2023-10-11)
• Changed GETCOLOR to GETPALETTE
• v0.15 (2023-10-11)
• Changed COLOR to PALETTE, CHRSET to USE CHRSET, added DEF RGBLIST
• v0.14d (2023-10-04)
• Copy AQUACII charROM to cust charROM buffer on cold start
• v0.14c (2023-10-04)
• Added ^K, ^L, and ^P in direct mode
• v0.14a (2023-10-03)
• Added BASYSCTL system variable (bit 2 = key repeat)
• v0.14 (2023-10-01)
• reset key mode to ascii in direct mode. New statement SET KEY mode
• v0.13j (2023-10-01)
• Fixed errors in SCREEN SET 0 and SCREEN SET 1
• v0.13i (2023-10-01)
• Swapped Ctrl-N and Ctrl-O character set switching - v0.13h (2023-10-01)
• v0.13h (2023-10-01)
• Added ESP write protect error reporting
• v0.13g (2023-09-30)
  • Changed SCREEN SET filename$ to call new routine dos_load_charram
• v0.13f (2023-09-30)
  • Added SCREEN SET filename$
• v0.13e (2023-09-30)
  • Added character set switchng
• v0.13d (2023-09-30)
  • S3BASIC boot screen calls read_key_ascii through vector at $2012
• v0.13c (2023-09-28)
  • activated key read from port $FA
• v0.13a (2023-09-27)
  • Added HOOK18 handler to read keyboard.
• v0.13 (2023-09-26)
  • Added COPY! statement, page_fast_copy; renamed existing fast page routines
• v0.12s (2023-09-26)
  • Fixed esp_get_mouse after fixing DIR date and time
• v0.12r (2023-09-26)
  • Fixed date and time display in DIR, mapped PgUp, PgDn, Home, End to shifted cursor keys
• v0.12q (2023-09-25)
  • MOUSE functions, esp routine return -1 when no mouse is found instead of ?Not found error
• v0.12q (2023-09-25)
  • Fixed SCREEN statement, screen_set_mode routine
• v0.12p (2023-09-24)
  • Moved text screen restore to READY hook. Enabled SET SCREEN OFFSET
• v0.12m (2023-09-24)
  • Modified S3BASIC and plusBASIC to revert to text only after Ctrl-C, STOP, or END
• v0.12l (2023-09-23)
  • Added ASC$(hex$)
• 0.12k (2023-09-23)
  • Added PEEK$([@page], addr, len)