mirror of https://github.com/A2osX/A2osX.git
210 lines
3.2 KiB
Plaintext
210 lines
3.2 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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STMT.Get jsr CC.GetCharNB
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jsr CC.IsLetter
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ldx #$ff
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bcc .20
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>LDYA L.CC.PREOPS ++var ?
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jsr CC.LookupOP
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bcs .9
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.20 stx StmtPreOp
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jsr SYM.Lookup var or func() ?
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bcs .99
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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 .60
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*--------------------------------------
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jsr CORE.GetNCharNB
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bcs .9
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* >DEBUG
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ldy #SYM.Q
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lda (ZPLookupSymPtr),y
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pha
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lda (ZPLookupSymPtr)
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pha
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jsr SYM.LookupFree
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ply
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pla
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sec Reset Buffer
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jmp DECL.YAC
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*--------------------------------------
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.60 ldy #SYM.Q
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lda (ZPLookupSymPtr),y
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bit #SYM.Q.FUNC
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beq .61
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bit StmtPreOp
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bpl .9 ++func ????????
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jsr F.CallNoRetV func( ... );
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bcs .99
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jmp SYM.LookupFree
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*--------------------------------------
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.61 jsr STMT.SetVar
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bcs .99
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jmp SYM.LookupFree
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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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STMT.SetVar stz ExpState
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jsr EXP.POSTOPS var++, var[0]... ?
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bcs .99
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ldx StmtPreOp
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jsr EXP.PREOPS apply ++var, ....
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bcs .99
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jsr CC.GetCharNB
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bcs .90
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jsr CC.IsEndArg var++; or ++var; ?
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bcc .8
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jsr CC.LookupAOP var=, var+= ... ?
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bcs .90
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cpx #0 TOTO : all AOPS
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bne *
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lda ExpState
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bmi .90 VonStack
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asl
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bmi .7 AinPTR
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asl
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bmi .6 AonStack
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jsr EXP.GetAddr1
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bcc .7
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rts
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.6 >LDYA L.PCC.PopAddr1
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jsr CODE.EmitPCC
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bcs .99
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.7 ldy #SYM.Q
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lda (ZPLookupSymPtr),y
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pha
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lda (ZPLookupSymPtr)
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tay
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pla get expected T/Q
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jsr EXP.Eval
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bcs .99
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jmp SYM.PopValue
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.8 clc
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rts
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.90 lda #E.CSYN
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sec
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.99 rts
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*--------------------------------------
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*--------------------------------------
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* X = KW.ID
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*--------------------------------------
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CC.STMT.CPStmt.NEW
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>LDA.G CC.CPSID+1
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jsr CC.Push
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bcs .99
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>LDA.G CC.CPSID
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jsr CC.Push
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bcs .99
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lda LocalPtr Locals
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jsr CC.Push
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bcs .99
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lda #0 bState
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jsr CC.Push
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bcs .99
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txa
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jsr CC.Push
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bcs .99
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lda #'}'
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jmp CC.Push
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.99 rts
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*--------------------------------------
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CC.STMT.Stmt.END
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jsr CC.Get
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bcs .8
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cmp #'}'
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beq .8
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cmp #';' must be ';' on stack....
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bra CC.STMT.POP
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.8 clc
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CC.STMT.Stmt.RTS
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rts
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*--------------------------------------
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CC.STMT.CPStmt.END
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jsr CC.Get
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bcs CC.STMT.Stmt.RTS
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cmp #'}' must be '}' on stack....
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CC.STMT.POP bne .98
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iny
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lda (ZPCCStack),y
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jsr .7
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bcs .99
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bvs .1 DONT POP reused context (ELSE....)
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lda CStackPtr
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* clc
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adc #7
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sta CStackPtr
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jsr CC.Pop Locals
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sta LocalPtr
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.1 clc
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rts
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*--------------------------------------
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.7 tax
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bmi .8
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jmp (J.CC.KW.END,x)
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.8 jmp F.Def.END
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.98 lda #E.CSYN
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sec
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.99 rts
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*--------------------------------------
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MAN
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SAVE usr/src/bin/cc.s.stmt
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LOAD usr/src/bin/cc.s
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ASM
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