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+CLib.s
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; ______________________________________________________________________________
; ..............................................................................
; ...................................................................2222222....
; ................................................................22222222220...
; ...................................................222........222222.....222..
; ..............................................2202222222222..22000............
; ..................................22000.....20222222222200000200002...........
; .................................2002202...2222200222.220000000200000000022...
; ....................220002......22222200..2200002.......2200000...20000000000.
; ....................22222202....2220000022200000..........200002........200000
; .....200000.........2222200000222200220000000002..........200002........20000.
; .....00222202........2220022000000002200002000002........2000002000020000000..
; ....2222200000.......220002200000002.2000000000000222222000000..2000000002....
; ....220000200002......20000..200002..220000200000000000000002.......22........
; ...2220002.220000 2....220002...22.....200002..0000000000002...................
; ...220000..222000002...20000..........200000......2222........................
; ...000000000000000000..200000..........00002..................................
; ..220000000022020000002.200002.........22.......______________________________
; ..0000002........2000000220022.................|
; .200000............2002........................| AMOSPro Compiler
; .200002........................................| Internal library
; 220002.........................................|______________________________
; ______________________________________________________________________________
;
Include "+CLib_Size.S"
Include "+AMOS_Includes.s"
Include "+Version.s"
; ______________________________________________________________________________
Start dc.l C_Lib-C_Off
dc.l 0
dc.l C_End-C_Lib
dc.l 0
dc.w 0
;---------------------------------------------------------------------
; Creates the pointers to functions
;---------------------------------------------------------------------
MCInit
C_Off
REPT Lib_Size
MC
ENDR
;---------------------------------------------------------------------
Lib_Ini 0
;---------------------------------------------------------------------
C_Lib
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; Reservatioin du STACK si <>4k ***
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Lib_Cmp Stack_Reserve
; - - - - - - - - - - - - -
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; RESERVATION / LIBERATION MEMOIRE (ancienne!)
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; Mise a zero!
; ~~~~~~~~~~~~~~~~~~
Lib_Cmp RamFast
move.l a0,-(sp)
SyCall MemFastClear
move.l a0,d0
move.l (sp)+,a0
rts
Lib_Cmp RamFast2
move.l a0,-(sp)
SyCall MemFast
move.l a0,d0
move.l (sp)+,a0
rts
Lib_Cmp RamChip
move.l a0,-(sp)
SyCall MemChipClear
move.l a0,d0
move.l (sp)+,a0
rts
Lib_Cmp RamChip2
move.l a0,-(sp)
SyCall MemChip
move.l a0,d0
move.l (sp)+,a0
rts
Lib_Cmp RamFree
move.l a0,-(sp)
SyCall MemFree
move.l (sp)+,a0
rts
;
; Reserve / Libere le buffer temporaire
; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lib_Cmp ResTempBuffer
ResTempBuffer
movem.l d1/a1,-(sp)
move.l d0,d1
; Libere l'ancien buffer
move.l TempBuffer(a5),d0
beq.s .NoLib
move.l d0,a1
move.l -(a1),d0
addq.l #4,d0
SyCall MemFree
clr.l TempBuffer(a5)
; Reserve le nouveau
.NoLib move.l d1,d0
beq.s .Exit
addq.l #4,d0
SyCall MemFastClear
beq.s .Exit
move.l d1,(a0)+
move.l a0,TempBuffer(a5)
move.l d1,d0
; Branche les routines de liberation automatique
movem.l a0-a2/d0-d1,-(sp)
lea .LibClr(pc),a1
lea Sys_ClearRoutines(a5),a2
SyCall AddRoutine
lea .LibErr(pc),a1
lea Sys_ErrorRoutines(a5),a2
SyCall AddRoutine
movem.l (sp)+,a0-a2/d0-d1
.Exit movem.l (sp)+,d1/a1
rts
; Structures liberation
; ~~~~~~~~~~~~~~~~~~~~~
.LibClr dc.l 0
moveq #0,d0
bra.s ResTempBuffer
.LibErr dc.l 0
moveq #0,d0
bra.s ResTempBuffer
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; Wait vbl multi tache
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Lib_Cmp Sys_WaitMul
; - - - - - - - - - - - - -
movem.l a0-a1/a6/d0-d1,-(sp)
; Inhibition
SyCall Test_Cyclique
; Attente multitache
move.l T_GfxBase(a5),a6
jsr -270(a6)
movem.l (sp)+,a0-a1/a6/d0-d1
rts
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; Retourne le message default resource D0
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Lib_Cmp Def_GetMessage
; - - - - - - - - - - - - -
move.l Sys_Resource(a5),a0
add.l 6(a0),a0
Rbra L_GetMessage
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; Retourne le message system D0
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Lib_Cmp Sys_GetMessage
; - - - - - - - - - - - - -
move.l Sys_Messages(a5),a0
Rbra L_GetMessage
; - - - - - - - - - - - - -
Lib_Cmp GetMessage
; - - - - - - - - - - - - -
move.w d1,-(sp)
clr.w d1
cmp.l #0,a0
beq.s .Big
addq.l #1,a0
bra.s .In
.Loop move.b (a0),d1
cmp.b #$ff,d1
beq.s .Big
lea 2(a0,d1.w),a0
.In subq.w #1,d0
bgt.s .Loop
.Out move.w (sp)+,d1
move.b (a0)+,d0
rts
.Big lea .Fake(pc),a0
bra.s .Out
.Fake dc.b 0,0,0,0
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; ADDITIONNE LE PATH DU SYSTEME AU NOM A0 >>> NAME1
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Lib_Cmp Sys_AddPath
; - - - - - - - - - - - - -
Rbsr L_Sys_GetPath Va chercher le path du systeme
movem.l a1/a2,-(sp)
move.l Name1(a5),a2
move.l a0,a1
.Ess move.b (a1)+,d0
cmp.b #":",d0
beq.s .Cop2
tst.b d0
bne.s .Ess
lea Sys_Pathname(a5),a1
.Cop1 move.b (a1)+,(a2)+
bne.s .Cop1
subq.l #1,a2
.Cop2 move.b (a0)+,(a2)+
bne.s .Cop2
movem.l (sp)+,a1/a2
rts
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; TROUVE LE PATH DU SYSTEME
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Lib_Cmp Sys_GetPath
; - - - - - - - - - - - - -
tst.b Sys_Pathname(a5)
bne.s .Fin
; Demande le path si non defini
movem.l a0-a3/d0-d7,-(sp)
moveq #1,d0 Acces au path
Rbsr L_Sys_GetMessage
move.l a0,d1 Demande le lock
moveq #-2,d2
DosCall _LVOLock
tst.l d0
Rbeq L_DiskError
Rbsr L_AskDir2 Demande le directory
move.l Buffer(a5),a0 Copie le directory
lea 384(a0),a0
lea Sys_Pathname(a5),a1
.CC move.b (a0)+,(a1)+
bne.s .CC
movem.l (sp)+,a0-a3/d0-d7
; Termine!
.Fin rts
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; ROUTINES DE DEBUGGAGE!
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Lib_Cmp BugBug
; - - - - - - - - - - - - -
movem.l d0-d2/a0-a2,-(sp)
.Ll move.w #$FF0,$DFF180
btst #6,$BFE001
bne.s .Ll
move.w #20,d0
.L0 move.w #10000,d1
.L1 move.w d0,$DFF180
dbra d1,.L1
dbra d0,.L0
btst #6,$BFE001
beq.s .Ill
movem.l (sp)+,d0-d2/a0-a2
rts
.Ill EcCalD AMOS_WB,0
movem.l (sp)+,d0-d2/a0-a2
illegal
rts
; - - - - - - - - - - - - -
Lib_Cmp PreBug
; - - - - - - - - - - - - -
btst #6,$BFE001
Rbeq L_BugBug
rts
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; RECOP
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Lib_Cmp ReCop
; - - - - - - - - - - - - -
SyCall WaitVbl
EcCall CopForce
rts
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; GESTION DES LISTES
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; Cree un element de liste en CHIP MEM
; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lib_Cmp Lst.ChipNew
move.l #Chip|Clear|Public,d1
Rbra L_Lst.Cree
; Cree une element de liste en FAST MEM
; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lib_Cmp Lst.New
move.l #Clear|Public,d1
Rbra L_Lst.Cree
; Cree un élément en tete de liste A0 / longueur D0 / Memoire D1
; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lib_Cmp Lst.Cree
movem.l a0/d0,-(sp)
addq.l #8,d0
SyCall MemReserve
move.l a0,a1
movem.l (sp)+,a0/d1
beq.s .Out
move.l (a0),(a1)
move.l a1,(a0)
move.l d1,4(a1)
move.l a1,d0
.Out rts
; Efface une liste entiere A0
; ~~~~~~~~~~~~~~~~~~~~~~~~
Lib_Cmp Lst.DelAll
bra.s .In
.Loop move.l d0,a1
Rbsr L_Lst.Del
.In move.l (a0),d0
bne.s .Loop
rts
; Efface un élément de liste A1 / Debut liste A0
; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lib_Cmp Lst.Del
movem.l a0/d0-d2,-(sp)
move.l a1,d0
move.l a0,a1
move.l (a1),d2
beq.s .NFound
.Loop move.l a1,d1
move.l d2,a1
cmp.l d0,a1
beq.s .Found
move.l (a1),d2
bne.s .Loop
bra.s .NFound
; Enleve de la liste
.Found move.l d1,a0
move.l (a1),(a0)
move.l 4(a1),d0
addq.l #8,d0
SyCall MemFree
.NFound movem.l (sp)+,a0/d0-d2
rts
; INSERE un élément A1 en tete de liste A0
; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lib_Cmp Lst.Insert
move.l (a0),(a1)
move.l a1,(a0)
rts
; Enleve un élément de liste A1 / Debut liste A0
; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lib_Cmp Lst.Remove
movem.l a0/a1/d0-d2,-(sp)
move.l a1,d0
move.l a0,a1
move.l (a1),d2
beq.s .NFound
.Loop move.l a1,d1
move.l d2,a1
cmp.l d0,a1
beq.s .Found
move.l (a1),d2
bne.s .Loop
bra.s .NFound
; Enleve de la liste
.Found move.l d1,a0
move.l (a1),(a0)
.NFound movem.l (sp)+,a0/a1/d0-d2
rts
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; Trouve le directory courant >
; >>> Buffer + 384
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Lib_Cmp AskDir
; - - - - - - - - - - - - -
move.l Buffer(a5),a0
clr.w (a0)
clr.w 384(a0)
move.l a0,d1
moveq #-2,d2
DosCall _LVOLock
tst.l d0
Rbne L_AskDir2
rts
; - - - - - - - - - - - - -
Lib_Cmp AskDir2
; - - - - - - - - - - - - -
clr.l -(sp)
ADir0: move.l d0,-(sp)
move.l d0,d1
DosCall _LVOParentDir
tst.l d0
bne.s ADir0
* Redescend les LOCKS en demandant le NOM!
move.l Buffer(a5),a2
lea 384(a2),a2
clr.b (a2)
moveq #":",d2
ADir1: move.l (sp)+,d1
beq.s ADir4
move.l Buffer(a5),a1
movem.l d1/d2/a1/a2,-(sp)
move.l a1,d2
DosCall _LVOExamine
movem.l (sp)+,d1/d2/a1/a2
tst.l d0
beq.s ADir3
lea 8(a1),a1
ADir2: move.b (a1)+,(a2)+
bne.s ADir2
move.b d2,-1(a2)
clr.b (a2)
moveq #"/",d2
ADir3 DosCall _LVOUnLock
bra.s ADir1
ADir4 moveq #0,d0
rts
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; TOKENISATEUR POUR LE COMPILATEUR
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Lib_Cmp Tokenisation
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bra Tokenise
bra Tok_Init
bra Tok_Del
; Initialisation des tables de tokenisation
; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Tok_Init
tst.l Ed_BufT(a5)
bne MTokX
; Reserve le buffer de tokenisation...
; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
move.l #EdBTT,d0
Rjsr L_RamFast
beq MTError
move.l d0,Ed_BufT(a5)
; Fabrique les tables de tokenisation
; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
move.l #1024*12,d0
Rjsr L_ResTempBuffer
beq MTError
lea AdTokens(a5),a3
lea AdTTokens(a5),a4
moveq #-4,d7
MTok1 addq.w #4,d7
cmp.w #26*4,d7
bcc MTokX
move.l 0(a3,d7.w),d6
beq.s MTok1
move.l d6,a1
addq.l #6,a1
; Premiere table
move.l TempBuffer(a5),a6
move.l a6,a0
lea 2048(a0),a2
moveq #0,d0
MTok2 move.l a1,d1
lea 4(a1),a1
MTok0 move.b (a1)+,d0
bpl.s MTok3
and.w #$7f,d0
subq.l #1,a1
MTok3 cmp.b #"!",d0
beq.s MTok0
cmp.b #" ",d0
beq.s MTok0
bsr MnD0
cmp.b #"a",d0
bcs.s MTok4
cmp.b #"z",d0
bhi.s MTok4
move.w d0,(a0)+
sub.l d6,d1
move.w d1,(a2)+
MTok4 bsr EdlNext
bne.s MTok2
move.w #-1,(a0)+
; Deuxieme table
move.l a0,d0
sub.l a6,d0
add.l #26*4+2+4,d0
move.l d0,d1
Rjsr L_RamFast
beq MTError
move.l d0,a0
move.l a0,0(a4,d7.w)
move.l a0,a1
move.l a0,d3
move.l d1,(a1)+
lea 26*2+2(a1),a2
moveq #"a",d5
move.w #2048,d4
MTok5 move.l a2,d0
sub.l d3,d0
move.w d0,(a1)+
move.l a6,a0
MTok6 move.w (a0)+,d0
bmi.s MTok7
cmp.w d0,d5
bne.s MTok6
move.w -2(a0,d4.w),(a2)+
bra.s MTok6
MTok7 clr.w (a2)+
addq.w #1,d5
cmp.w #"z",d5
bls.s MTok5
clr.w (a1)+
bra MTok1
MTokX moveq #0,d0
Rjsr L_ResTempBuffer
moveq #0,d0
rts
; Out of memory!
; ~~~~~~~~~~~~~~
MTError moveq #0,d0
Rjsr L_ResTempBuffer
moveq #1,d0
rts
; Routine: token suivant
; ~~~~~~~~~~~~~~~~~~~~~~
EdlNext tst.b (a1)+ ; Saute le nom
bpl.s EdlNext
.Tkln1 tst.b (a1)+ ; Saute les params
bpl.s .Tkln1
move.w a1,d1
btst #0,d1 ; Rend pair
beq.s .Tkln2
addq.l #1,a1
.Tkln2 tst.w (a1)
rts
; Routine: D0 minuscule
MnD0 cmp.b #"A",d0
bcs.s .Mnd0a
cmp.b #"Z",d0
bhi.s .Mnd0a
add.b #32,d0
.Mnd0a rts
; Effacement de la tokenisation
; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Tok_Del
; Efface le buffer de tokenisation
move.l Ed_BufT(a5),d0
beq.s DlTkX
clr.l Ed_BufT(a5)
move.l d0,a1
move.l #EdBTT,d0
Rjsr L_RamFree
; Efface les tables de tokens rapide
lea AdTTokens(a5),a2
moveq #25,d1
DlTk1 move.l (a2)+,d0
beq.s DlTk2
clr.l -4(a2)
move.l d0,a1
move.l (a1),d0
Rjsr L_RamFree
DlTk2 dbra d1,DlTk1
DlTkX rts
;+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
;+ TOKENISE LA LIGNE COURANTE
;+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Tokenise:
movem.l a1-a6/d2-d7,-(sp) * Sauve le debut de la ligne
move.l a1,a4
move.l a0,a3
pea 512(a4)
clr.w d5 * RAZ de tous les flags
clr.w (a4)+
; ----- Compte les TABS
moveq #0,d1
TokT: addq.w #1,d1
move.b (a3)+,d0
beq TokVide
cmp.b #32,d0
beq.s TokT
subq.l #1,a3
cmp.w #127,d1
bcs.s TokT1
moveq #127,d1
TokT1: move.b d1,-1(a4)
; ----- Un chiffre au debut de la ligne?
move.b (a3),d0
cmp.b #"0",d0
bcs.s TokT2
cmp.b #"9",d0
bhi.s TokT2
bset #1,d5 * Flag VARIABLE
bset #4,d5 * Flag LABEL
move.l a4,TkAd(a5)
move.w #_TkVar,(a4)+
clr.l (a4)+
move.b (a3)+,(a4)+
; ----- Une apostrophe en debut de ligne?
TokT2: cmp.b #"'",d0
bne.s TokLoop
addq.l #1,a3
move.w #_TkRem2,(a4)+
bra TkKt2
; ----- Prend une lettre
TokLoop:
cmp.l (sp),a4
bhi TokFin
move.b (a3)+,d0
beq TokFin
* Rem en route?
btst #5,d5
beq.s TkROn
move.b d0,(a4)+
bra.s TokLoop
TkROn:
* Variable en route?
btst #1,d5
bne TkVD
* Chaine en route?
btst #0,d5
beq.s TkC2
cmp.b TkChCar(a5),d0
beq.s TkC1
move.b d0,(a4)+
bra.s TokLoop
* Fin d'une chaine alphanumerique
TkChf: subq.l #1,a3
TkC1: bclr #0,d5
move.l a4,d0
btst #0,d0
beq.s TkC0
clr.b (a4)+
TkC0: move.l TkAd(a5),a0
sub.l a0,d0
subq.w #4,d0
move.w d0,2(a0)
bra.s TokLoop
* Debut d'une chaine alphanumerique?
TkC2: cmp.b #'"',d0
beq TkC2a
cmp.b #"'",d0
bne TkOtre
TkC2a: move.b d0,TkChCar(a5)
move.l a4,TkAd(a5)
cmp.b #"'",d0
beq.s TkC2b
move.w #_TkCh1,(a4)+
bra.s TkC2c
TkC2b: move.w #_TkCh2,(a4)+
TkC2c: clr.w (a4)+
bset #0,d5
bra.s TokLoop
* Variable en route
TkVD: bsr Minus
* Numero de ligne en route
TkFV: moveq #0,d1
move.l TkAd(a5),a0
btst #4,d5
beq.s TkV2
cmp.b #"0",d0
bcs.s TkV0
cmp.b #"9",d0
bls.s TkV3
TkV0: bset #3,d5 Fin du debut de ligne!
bclr #4,d5 Fin du numero de ligne
cmp.b #":",d0
beq.s TkV1
subq.l #1,a3
bra.s TkV1
* Variable normale / label
TkV2: cmp.b #"_",d0
beq.s TkV3
cmp.b #"0",d0
bcs.s TkV4
cmp.b #"9",d0
bls.s TkV3
cmp.b #"a",d0
bcs.s TkV4
cmp.b #"z",d0
bls.s TkV3
cmp.b #128,d0
bls.s TkV4
TkV3: move.b d0,(a4)+
bra TokLoop
* Fin de la variable/label/label goto
TkV4: bset #3,d5 * Si pas debut de ligne
bne.s TkV5
cmp.b #":",d0 * Si :
bne.s TkV5
TkV1: move.w #_TkLab,(a0)
bra.s TkV7
TkV5: subq.l #1,a3
moveq #2,d1
cmp.b #"$",d0
beq.s TkV6
moveq #1,d1
cmp.b #"#",d0
beq.s TkV6
moveq #0,d1
bra.s TkV7
TkV6: addq.w #1,a3
TkV7: move.w a4,d2 * Rend pair
btst #0,d2
beq.s TkV8
clr.b (a4)+
TkV8: move.l a4,d0
sub.l a0,d0
subq.l #6,d0
move.b d0,4(a0) * Poke la longueur
move.b d1,5(a0) * Poke le flag
bclr #1,d5
bra TokLoop
* Saute les 32
TkOtre: cmp.b #" ",d0
beq TokLoop
* Est-ce un chiffre?
lea -1(a3),a0 Pointe le debut du chiffre
moveq #0,d0 Ne pas tenir compte du signe (valtok)
Rbsr L_CValRout
bne.s TkK
move.l a0,a3
move.w d1,(a4)+
move.l d3,(a4)+
cmp.w #_TkDFl,d1
bne TokLoop
move.l d4,(a4)+
bra TokLoop
TkK:
; ----- Tokenisation RAPIDE!
moveq #-4,d7 * D7--> Numero de l'extension
lea AdTokens(a5),a6
moveq #0,d3
lea -10(sp),sp
* Prend le premiere caractere...
moveq #0,d0
move.b -1(a3),d0
bsr MinD0
move.l d0,d2
lea Dtk_Operateurs(pc),a1 Operateur, LENTS en 1er...
bra TkLIn
* Lent ou rapide?
TkUn cmp.b #"a",d2
bcs.s Tkl1
cmp.b #"z",d2
bhi.s Tkl1
bset #31,d2
move.w d2,d6
sub.w #"a",d6
lsl.w #1,d6
* Mode rapide: init!
Tkr1 lea AdTTokens(a5),a2
move.l 0(a2,d7.w),d0
beq.s Tkl1
move.l d0,a2
move.w 4(a2,d6.w),d0
add.w d0,a2 * A2-> Adresse des adresses
bset #31,d6
bra TkRNext
* Tokens lents
Tkl1 move.l 0(a6,d7.w),d0
beq TkNext
move.l d0,a1
addq.l #6,a1
TkLIn bclr #31,d6
cmp.b #"!",d2 Entree pour les operateurs...
beq TkKF
cmp.b #"?",d2
bne.s Tkl2
move.l a3,a0
Tkl1a move.b (a0)+,d0 * ? PRINT / ? PRINT #
beq.s Tkl1b
cmp.b #"#",d0
beq.s Tkl1c
cmp.s #" ",d0
beq.s Tkl1a
Tkl1b move.w #_TkPr,d4
bra TkKt0
Tkl1c move.l a0,a3
move.w #_TkHPr,d4
bra TkKt0
Tkl2 move.l a1,d4 * Recherche la 1ere lettre
lea 4(a1),a1
move.w d2,d0
Tkl0 move.b (a1)+,d1
bmi Tkl4
cmp.b #" ",d1
beq.s Tkl0
cmp.b #"!",d1
beq.s Tkl0
cmp.b d0,d1
beq.s TkRe0
Tkl3 bsr TklNext
bne.s Tkl2
* Tableau de token suivant!
TkNext addq.l #4,d7
beq TkUn
cmp.l #4*26,d7
bcc.s .TrouV
tst.l d2
bpl.s Tkl1
bra Tkr1
.TrouV tst.w d3
beq TkKF
move.l (sp),d4
move.l 4(sp),a3
move.w 8(sp),d7
bra TklT
* Trouve 1 lettre lent?
Tkl4 subq.l #1,a1
and.b #$7f,d1
cmp.b #" ",d1
beq TklT
cmp.b d0,d1
bne.s Tkl3
bra TklT
* Token rapide suivant
TkRNext move.w (a2)+,d0
beq TkNext
move.l 0(a6,d7.w),a1
add.w d0,a1
move.l a1,d4
lea 5(a1),a1
move.b -1(a1),d0
cmp.b #"!",d0
beq.s TkRe0a
cmp.b #" ",d0
bne.s TkRe0
TkRe0a addq.l #1,a1
* Explore les autres lettres du token
TkRe0 move.l a3,a0
TkRe1 move.b (a0)+,d0
bsr MinD0
TkRe2 move.b (a1)+,d1
bmi.s TkKt
cmp.b #" ",d1
bne.s TkRe3
cmp.b d1,d0
bne.s TkRe2
beq.s TkRe1
TkRe3 cmp.b d0,d1
beq.s TkRe1
* Mot cle suivant
TkRe4 tst.l d6
bpl Tkl3
bmi.s TkRNext
* Mot trouve?
TkKt: subq.l #1,a0
subq.l #1,a1
and.b #$7f,d1
cmp.b #" ",d1
beq.s TkKt1
cmp.b d0,d1
bne.s TkRe4
addq.l #1,a0
TkKt1:
tst.l d6
bpl.s TklTl
move.l a1,d0
sub.l d4,d0
cmp.w d3,d0
bls.s TkRe4
move.w d0,d3
move.l d4,(sp)
move.l a0,4(sp)
move.w d7,8(sp)
bra.s TkRe4
TklTl move.l a0,a3
** Token trouve!
TklT tst.w d7 Une extension
bgt TkKtE
beq.s .Norm Un operateur?
lea Dtk_OpFin(pc),a0
sub.l a0,d4
bra.s TkKt0
.Norm sub.l AdTokens(a5),d4 Un token librairie principale
TkKt0: lea 10(sp),sp
move.w d4,(a4)+
bclr #4,d5 Plus de numero de ligne
bset #3,d5 Plus debut de ligne
cmp.w #_TkEqu,d4 Tokens de structure?
bcs.s .SkS
cmp.w #_TkStruS,d4
bls TkKt5
.SkS cmp.w #_TkOn,d4
beq.s TkKt7
cmp.w #_TkData,d4
beq TkKt3
cmp.w #_TkRem1,d4
beq.s TkKt2
cmp.w #_TkFor,d4
beq.s TkKt3
cmp.w #_TkRpt,d4
beq.s TkKt3
cmp.w #_TkWhl,d4
beq.s TkKt3
cmp.w #_TkDo,d4
beq.s TkKt3
cmp.w #_TkExit,d4
beq.s TkKt4
cmp.w #_TkExIf,d4
beq.s TkKt4
cmp.w #_TkIf,d4
beq.s TkKt3
cmp.w #_TkElse,d4
beq.s TkKta
cmp.w #_TkElsI,d4
beq.s TkKt3
cmp.w #_TkThen,d4
beq.s TkKtb
cmp.w #_TkProc,d4
beq.s TkKt6
cmp.w #_TkDPre,d4
beq.s TkKDPre
bra TokLoop
* ON
TkKt7: clr.l (a4)+
bra TokLoop
* Debut d'une REM
TkKt2: clr.w (a4)+
move.l a4,TkAd(a5)
bset #5,d5
bra TokLoop
* Poke les blancss
TkKt6 clr.w (a4)+ 8 octets
TkKt5 clr.w (a4)+ 6 octets
TkKt4 clr.w (a4)+ 4 octets
TkKt3 clr.w (a4)+ 2 octets
bra TokLoop
* Token double precision: flags à 1
TkKDPre or.b #%10000011,MathFlags(a5)
bra TokLoop
* Token d'extension! .w EXT/.b #Ext/.b Nb Par/.w TOKEN
TkKtE: lea 10(sp),sp
move.w #_TkExt,(a4)+
move.w d7,d0
lsr.w #2,d0
move.b d0,(a4)+
clr.b (a4)+
lea AdTokens(a5),a6
sub.l 0(a6,d7.w),d4
move.w d4,(a4)+
bclr #4,d5
bset #3,d5
bra TokLoop
* ELSE/THEN: regarde si numero de ligne apres!
TkKta: clr.w (a4)+
TkKtb: move.l a3,a0
TkKtc: move.b (a0)+,d0
beq TokLoop
cmp.b #" ",d0
beq TkKtc
cmp.b #"0",d0
bcs TokLoop
cmp.b #"9",d0
bhi TokLoop
move.l a0,a3
move.w #_TkLGo,d1
bra.s TkKf2
; ----- Rien trouve ===> debut d'une variable
TkKF: lea 10(sp),sp
move.w #_TkVar,d1
move.b -1(a3),d0
TkKf0: cmp.b #"A",d0
bcs.s TkKf1
cmp.b #"Z",d0
bhi.s TkKf1
add.b #"a"-"A",d0
TkKf1: cmp.b #"_",d0
beq.s TkKf2
cmp.b #128,d0
bcc.s TkKf2
cmp.b #"a",d0
bcs TokLoop
cmp.b #"z",d0
bhi TokLoop
TkKf2: move.l a4,TkAd(a5)
move.w d1,(a4)+
clr.l (a4)+
move.b d0,(a4)+
bset #1,d5
bra TokLoop
* Appel d'un label?
TkKf3: move.w #_TkLGo,d1
cmp.b #"0",d0
bcs.s TkKf0
cmp.b #"9",d0
bls.s TkKf2
bra.s TkKf0
; ----- Fin de la tokenisation