mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-22 16:31:07 +00:00
499 lines
7.8 KiB
Plaintext
499 lines
7.8 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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F.Decl jsr SCOPE.New function (
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bcs .99
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lda (ZPSymBufPtr) #SYM.T
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pha
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ldy #SYM.Q
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lda (ZPSymBufPtr),y
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and #SYM.Q.PPPOINTER+SYM.Q.AAARRAY
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ply
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cpy #SYM.T.VOID
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bne .10
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tax
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beq .11 function is void
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.10 lda #'R'
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jsr SYM.NewLabelA
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bcs .99
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.11 jsr CORE.GetNCharNBNL Skip (
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bcs .9
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cmp #')' func()
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beq .6
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*--------------------------------------
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.1 jsr F.DeclGetTQ
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bcs .99
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>STYA ZPPtr2 Save T/Q
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jsr SYM.AddWord
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bcs .99
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cpy #SYM.T.VARIADIC
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beq .5
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jsr CC.GetCharNB
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bcs .9
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jsr CC.IsLetter
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bcs .2
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jsr F.NewArg will update LocalPtr,FrameSize
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bcs .99
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.2 jsr CC.GetCharNB
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bcs .9
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cmp #')'
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beq .6
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cmp #','
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bne .9
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jsr CORE.GetNCharNB Skip ,
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bcc .1
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.9 lda #E.CSYN
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sec
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.99 rts
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*--------------------------------------
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.5 jsr CC.GetCharNB
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bcs .9
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cmp #')'
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bne .9
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.6 jsr SYM.Add0000 definition End
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bcs .99
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jsr CORE.GetNCharNBNL Skip ')'
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bcs .9
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cmp #';'
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bne .7
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jsr SCOPE.Close function ();
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bcs .99
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jmp SYM.Update Store this declaration & exit
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rts
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*--------------------------------------
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.7 cmp #'{'
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bne .9
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*--------------------------------------
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F.Def >LDA.G CC.bInitCode
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bmi .1
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lda #$60 RTS
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jsr CODE.EmitByte Close INIT code
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bcs .99
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lda #$FF
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>STA.G CC.bInitCode
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.1 jsr SYM.SetAddrCCode f() Code starts HERE
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jsr SYM.Update Store f() Declaration
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bcs .99
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ldy #SYM.SizeOf
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lda (ZPSymBufPtr),y
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beq .2 void f()
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.2 ldy ScopePtr
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iny
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iny
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iny
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lda (ScopeStk),y #SCOPE.FrameSize
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jsr CODE.LDAI A = f() ARGS size
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bcs .99
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>LDYA L.PCC.ENTER
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jsr CODE.EmitPCC Start Definition
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bcs .99
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lda #$ff
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>STA.G CC.CmdSave
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jsr STMT.New00
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bcs .99
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jsr STMT.SetTypeCP type = {}
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bcs .99
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jmp SCOPE.AddLocal function () {
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.99 rts
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*--------------------------------------
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F.Def.END lda #'X' define EXIT Label
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jsr SYM.NewLabelA
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bcs .9
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jsr SCOPE.RemLocal function () {}
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bcs .9
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jsr STMT.Close
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bcs .9
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>LDYA L.PCC.LEAVE
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jsr CODE.EmitPCC
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bcs .9
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jsr SCOPE.Close function () {};
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bcs .9
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.9 rts
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*--------------------------------------
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F.DeclGetTQ lda (ZPLineBufPtr)
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cmp #'.'
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bne .5
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ldx #2
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.1 jsr CC.GetNextChar
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bcs .9
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cmp #'.'
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bne .9
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dex
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bne .1
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jsr CORE.GetNCharNB
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bcs .9
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eor #')'
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bne .9
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ldy #SYM.T.VARIADIC Type
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* lda #0 Qual
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* clc
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rts
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*--------------------------------------
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.5 jsr SYM.Lookup var or func() ?
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bcs .6
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ldy #SYM.SC
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lda (ZPLookupSymPtr),y
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cmp #SYM.SC.TYPEDEF
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bne .9
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jmp TYPE.GetTQInYA2
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.6 >LDYA L.CC.TYPEQUAL
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jsr CC.LookupID
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bcs .9
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jmp TYPE.GetTQInYA
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.9 lda #E.CSYN
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sec
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rts
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*--------------------------------------
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F.NewArg >LDYA.G CC.SymID
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>STYA.G CC.SymIDSave
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>LEA.G CC.ArgBuf
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>STYA ZPSymBufPtr
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>LDYA ZPPtr2
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ldx #SYM.SC.AUTO
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sec Reset Buffer
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jsr SYM.New
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bcs .9
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jsr SYM.Store
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bcs .9
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>LDA.G CC.hSymBuf
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>SYSCALL GetMemPtr
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>STYA ZPSymBufPtr
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>LDYA.G CC.SymIDSave
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>STYA.G CC.SymID
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.9
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F.NewArg.RTS rts
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*--------------------------------------
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* in : ZPSymPtr
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* Y,A = Expected T/Q
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*--------------------------------------
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F.CallNoRetV ldy #0 no expected T/Q
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tya
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clc
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.HS B0 BCS
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F.CallRetV sec
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ldx ZPPtr1 local : variadic size
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phx
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ldx ZPPtr1+1 local : bRetV
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phx
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ldx ZPPtr2 local : expected T
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phx
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ldx ZPPtr2+1 local : expected Q
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phx
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>STYA ZPPtr2
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ror ZPPtr1+1 bRetV
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bpl .1
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jsr EXP.GetYASizeOfInAX
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jsr CODE.AddLocal add room for return value
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bcs F.NewArg.RTS
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.1 jsr CORE.GetNCharNB skip '('
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bcs .90
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jsr SYM.LookupCheckTQ
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bcs .93
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*--------------------------------------
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stz ZPPtr1 Reset VARIADIC byte count
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lda #SYM.Def
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>STA.G CC.LookupSymPtr
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jsr F.GetTQ get First Arg T/Q
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beq .7 end of list, go check ending ')'
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.3 cpy #SYM.T.VARIADIC
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bne .4
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lda #0 Expected T/Q = 0 if VARIADIC
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tay
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.4 and #$F0 CONST+VOLATILE+FUNC+FASTCALL
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jsr EXP.Eval
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bcs .93
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jsr EXP.GetYASizeOfInAX
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tax save Sizeof in X
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jsr F.GetTQ
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cpy #SYM.T.VARIADIC
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bne .50 if VARIADIC, don't advance to next arg
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txa
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clc make sure pointer only 2 bytes
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adc ZPPtr1
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sta ZPPtr1 Add to byte count
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bra .5
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.50 >LDA.G CC.LookupSymPtr
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clc
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adc #2
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sta (pData),y
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.5 jsr CC.GetCharNB
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bcs .90
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cmp #','
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bne .6
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jsr CORE.GetNCharNBNL Skip ','
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jsr F.GetTQ
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bne .3 Another ARG....
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bra .90 extra args....error
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.6 cmp #')'
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bne .90
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jsr F.GetTQ
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beq .8 no more arg after ')', exit
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cpy #SYM.T.VARIADIC
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bne .90 missing arg
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lda ZPPtr1 push VARIADIC byte count
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jsr CODE.PUSHI
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.7 jsr CC.GetCharNB
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bcs .90
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cmp #')'
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bne .90
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.8 jsr CORE.GetNCharNB Skip )
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jsr F.Call2
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bra .93
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.90 lda #E.CSYN
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.92 sec
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.93 plx
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stx ZPPtr2+1
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plx
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stx ZPPtr2
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plx
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stx ZPPtr1+1
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plx
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stx ZPPtr1
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.99 rts
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*--------------------------------------
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* X = last var size
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*--------------------------------------
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F.Call2 ldy #SYM.Q
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lda (ZPLookupSymPtr),y
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and #SYM.Q.FASTCALL
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beq .1
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ldy #SYM.Def Get first (only) argument
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jsr F.GetTQAtY
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jsr TYPE.SizeOf
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dex
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bne .19
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jsr CODE.PULLA
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bra .1
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.19 jsr CODE.PULLYA
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.1 jsr F.Call3
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bcs .9
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bit ZPPtr1+1 bRetV
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bmi .5
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* NO Return Value : call & discard stack if not in Y,A
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>LDYA ZPPtr2 function T/Q
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jsr TYPE.SizeOf
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txa
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beq .11 void
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cpx #3 A or Y,A
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bcc .11
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.10 jsr CODE.INCPSTACK
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dex
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bne .10
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.11 clc
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.9 rts
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* Return Value : call & put result on stack if in Y,A
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.5
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ldy #SYM.Addr+1
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lda (ZPLookupSymPtr),y
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cmp #3+LIBS.MAX
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bcs .8 not a SYS/FPU/LIB call...Ret value on stack
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>LDYA ZPPtr2 function T/Q
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jsr TYPE.SizeOf
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cpx #3
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bcs .8 leave on stack
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dex
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bne .60
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jsr CODE.PUSHA push ONE byte on stack
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bra .8
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.60 jsr CODE.PUSHYA push TWO bytes on stack
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.8 >LDYA ZPPtr2 T/Q
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clc
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rts
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*--------------------------------------
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F.Call3 ldy #SYM.Addr+1
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lda (ZPLookupSymPtr),y
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beq .9
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pha
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dey
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lda (ZPLookupSymPtr),y
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tax
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ply Y=HI,X=LO
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cpy #1
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bne .1
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jmp CODE.SYSCALL
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.1 cpy #2
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bne .2
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jmp CODE.FPUCALL
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.2 cpy #3+LIBS.MAX
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bcs .3
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jmp CODE.LIBCALL
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.3 lda #$EA NOP
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jsr CODE.EmitByte
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bcs .99
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lda #$EA NOP
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jsr CODE.EmitByte
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bcs .99
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lda #$20 JSR abs
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jmp CODE.TOABSYX
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.9 bit bPass2
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bmi .91
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lda #5 leave room for LDX #imm, JSR abs
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clc
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adc ZPCCCode
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sta ZPCCCode
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bcc .90
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inc ZPCCCode+1
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.90 clc
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rts
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.91 lda #E.FUNDEF
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sec
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.99 rts
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*--------------------------------------
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F.GetTQ >LDA.G CC.LookupSymPtr
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tay
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F.GetTQAtY lda (ZPLookupSymPtr),y
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pha
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iny
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lda (ZPLookupSymPtr),y
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ply
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rts
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*--------------------------------------
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MAN
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SAVE usr/src/bin/cc.s.f
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LOAD usr/src/bin/cc.s
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ASM
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