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6502bench/SourceGen/RuntimeData/Apple/Applesoft.sym65
Andy McFadden 14ce56ec9a Add more symbols for Applesoft and DOS 3.3
2020-01-21 22:15:36 -08:00

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; Copyright 2018 faddenSoft. All Rights Reserved.
; See the LICENSE.txt file for distribution terms (Apache 2.0).
;
; Sources:
; What's Where in the Apple, by William F. Luebbert
; S-C DocuMentor: Applesoft, by Bob Sander-Cederlof
*SYNOPSIS Applesoft BASIC addresses and constants
BAS_USRVEC @ $0A 3 ;USR() command vector
BAS_CHARAC @ $0D ;used by string utility
BAS_ENDCHR @ $0E ;used by string utility
BAS_VALTYP @ $11 2 ;flag for last FAC operation ($00=num, $FF=str)
BAS_SUBFLG @ $14 ;subscript flag ($00=allowed, $80=not)
BAS_HCOLOR1 @ $1C ;hi-res color mask
BAS_COUNTH @ $1D ;hi-res high-order byte of step for line
BAS_HBASL @ $26 ;base address for hi-res drawing (lo part)
BAS_HBASH @ $27 ;base address for hi-res drawing (hi part)
BAS_HMASK @ $30 ;hi-res graphics on-the-fly bit mask
BAS_LINNUM @ $50 2 ;line number (2b)
BAS_TEMPPT @ $52 2 ;temporary point (2b)
BAS_INDEX @ $5E 2 ;temp (stack) pointer for moving strings (2b)
BAS_TEXTTAB @ $67 2 ;pointer to start of Applesoft program (2b)
BAS_VARTAB @ $69 2 ;pointer to start of Applesoft variables (2b)
BAS_ARYTAB @ $6B 2 ;pointer to start of Applesoft array space (2b)
BAS_STREND @ $6D 2 ;pointer to end of numeric storage (2b)
BAS_FRETOP @ $6F 2 ;pointer to end of string storage (2b)
BAS_MEMSIZE @ $73 2 ;HIMEM (2b)
BAS_CURLIN @ $75 2 ;current line number (2b)
BAS_OLDLIN @ $77 2 ;last line executed (2b)
BAS_OLDTEXT @ $79 2 ;old text pointer (2b)
BAS_DATLIN @ $7B 2 ;current line # from which data is being read (2b)
BAS_DATPTR @ $7D 2 ;points to mem from which data is being read (2b)
BAS_VARNAM @ $81 2 ;holds last-used variable's name (2b)
BAS_VARPNT @ $83 2 ;pointer to last-used variable's value (2b)
BAS_FORPNT @ $85 2 ;general pointer (2b)
BAS_JMPADRS @ $90 3 ;jump address; $90 is set to $4C (3b)
BAS_TEMP1 @ $93 ;fp math register
BAS_HIGHDS @ $94 2 ;block copy pointer (2b)
BAS_HIGHTR @ $96 2 ;block copy pointer (2b)
BAS_TEMP2 @ $98 ;fp math register
BAS_LOWTR @ $9B 2 ;general pointer (2b)
BAS_FAC @ $9D 6 ;floating point accumulator (6b)
BAS_FACMO = $A0 ;middle-order byte of mantissa of FAC
BAS_FACLO = $A1 ;low-order byte of mantissa of FAC
BAS_FACSIGN @ $A2 ;single byte sign of FAC
BAS_ARG @ $A5 6 ;secondary floating point accumulator (6b)
BAS_STRNG1 @ $AB 2 ;pointer to a string (2b)
BAS_STRNG2 @ $AD 2 ;pointer to a string (2b)
BAS_PRGEND @ $AF 2 ;pointer to end of program (2b)
BAS_CHRGET @ $B1 ;get next character or Applesoft token
BAS_CHRGOT @ $B7 ;get next, but don't advance TXTPTR
BAS_TXTPTR @ $B8 2 ;points at next char or token (2b)
BAS_RND @ $C9 5 ;floating point random number (5b)
BAS_AUTORUN @ $D6 ;set to $80 to auto-run
BAS_ERRFLG @ $D8 ;$80 if onerr active
BAS_HPAG @ $E6 ;hi-res page to draw on ($20 or $40)
BAS_SCALE @ $E7 ;hi-res graphics scale factor
BAS_HSHAPE @ $E8 2 ;hi-res shape table pointer (2b)
BAS_FIRST @ $F0 ;used for lo-res plot coordinates
BAS_SPEEDZ @ $F1 ;controls text output speed
BAS_ORMASK @ $F3 ;mask for output control
BAS_REMSTK @ $F8 ;stack pointer saved before each statement
BAS_AMPERV @ $03F5 3 ;JMP to function that handles Applesoft '&' cmds
;
; Useful Applesoft routines.
; TODO: there are many more
;
BAS_ERROR @ $D412 ;print error based on X-reg
BAS_FRMNUM @ $DD67 ;call FRMEVL, confirm expr is numeric
BAS_FRMEVL @ $DD7B ;eval expr at TXTPTR (num/str), result into FAC
BAS_SYN_ERROR @ $DEC9 ;throw SYNTAX ERROR
BAS_CHKCOM @ $DEBE ;checks TXTPTR for comma
BAS_ILLQ_ERROR @ $E199 ;throw ILLEGAL QUANTITY ERROR
BAS_GETADR @ $E752 ;convert FAC to 2-byte integer in LINNUM
BAS_GETBYT @ $E6F8 ;gets byte, in X/FACLO
BAS_QINT @ $EBF2 ;converts FP value in FAC to int in FAC+1..FAC+4
BAS_HFNS @ $F6B9 ;get hi-res x/y for hplot
;
; Applesoft BASIC tokens.
;
*TAG Applesoft-Tokens
TOK_END = $80
TOK_FOR = $81
TOK_NEXT = $82
TOK_DATA = $83
TOK_INPUT = $84
TOK_DEL = $85
TOK_DIM = $86
TOK_READ = $87
TOK_GR = $88
TOK_TEXT = $89
TOK_PR = $8a
TOK_IN = $8b
TOK_CALL = $8c
TOK_PLOT = $8d
TOK_HLIN = $8e
TOK_VLIN = $8f
TOK_HGR2 = $90
TOK_HGR = $91
TOK_HCOLOR = $92
TOK_HPLOT = $93
TOK_DRAW = $94
TOK_XDRAW = $95
TOK_HTAB = $96
TOK_HOME = $97
TOK_ROT = $98
TOK_SCALE = $99
TOK_SHLOAD = $9a
TOK_TRACE = $9b
TOK_NOTRACE = $9c
TOK_NORMAL = $9d
TOK_INVERSE = $9e
TOK_FLASH = $9f
TOK_COLOR = $a0
TOK_POP = $a1
TOK_VTAB = $a2
TOK_HIMEM = $a3
TOK_LOMEM = $a4
TOK_ONERR = $a5
TOK_RESUME = $a6
TOK_RECALL = $a7
TOK_STORE = $a8
TOK_SPEED = $a9
TOK_LET = $aa
TOK_GOTO = $ab
TOK_RUN = $ac
TOK_IF = $ad
TOK_RESTORE = $ae
TOK_AMPER = $af
TOK_GOSUB = $b0
TOK_RETURN = $b1
TOK_REM = $b2
TOK_STOP = $b3
TOK_ON = $b4
TOK_WAIT = $b5
TOK_LOAD = $b6
TOK_SAVE = $b7
TOK_DEF = $b8
TOK_POKE = $b9
TOK_PRINT = $ba
TOK_CONT = $bb
TOK_LIST = $bc
TOK_CLEAR = $bd
TOK_GET = $be
TOK_NEW = $bf
TOK_TAB = $c0
TOK_TO = $c1
TOK_FN = $c2
TOK_SPC = $c3
TOK_THEN = $c4
TOK_AT = $c5
TOK_NOT = $c6
TOK_STEP = $c7
TOK_PLUS = $c8
TOK_MINUS = $c9
TOK_MULT = $ca
TOK_DIV = $cb
TOK_EXPOP = $cc
TOK_AND = $cd
TOK_OR = $ce
TOK_GREATER = $cf
TOK_EQUAL = $d0
TOK_LESSER = $d1
TOK_SGN = $d2
TOK_INT = $d3
TOK_ABS = $d4
TOK_USR = $d5
TOK_FRE = $d6
TOK_SCRN = $d7
TOK_PDL = $d8
TOK_POS = $d9
TOK_SQR = $da
TOK_RND = $db
TOK_LOG = $dc
TOK_EXP = $dd
TOK_COS = $de
TOK_SIN = $df
TOK_TAN = $e0
TOK_ATN = $e1
TOK_PEEK = $e2
TOK_LEN = $e3
TOK_STR = $e4
TOK_VAL = $e5
TOK_ASC = $e6
TOK_CHR = $e7
TOK_LEFT = $e8
TOK_RIGHT = $e9
TOK_MID = $ea
; end of tokens
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