mirror of https://github.com/A2osX/A2osX.git
997 lines
15 KiB
Plaintext
997 lines
15 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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* Built in Keywords
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*--------------------------------------
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CC.KW.IF jsr CC.KW.BEGIN00
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bcs .99
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jsr CC.GetCharNB
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bcs .9
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cmp #'('
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bne .9
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jsr CC.GetNextCharNB
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bcs .9
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jsr CC.EXP.Eval00 Any var type
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bcs .99
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jsr CC.KW.TestZero Y,A=T/Q
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lda #'E'
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jsr CC.SYM.LookupA
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bcs .99
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lda #$4C emit JMP else
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jsr CODE.TOABSYX
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bcs .99
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jsr CC.GetCharNB
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bcs .99
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cmp #')'
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bne .9
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jmp CC.KW.STMT
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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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CC.KW.IF.END jsr CC.GetCharNBNL
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bcs .1
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cmp #';'
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beq .1
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>LDYA L.CC.KW2.IF Check allowed KW for IF....
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jsr CC.LookupID
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bcc .2
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.1 lda #'E' define ELSE Label
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jsr CC.KW.NewLabel
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bcs .99
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clv pop context
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rts
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*--------------------------------------
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.2 lda #'X'
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jsr CC.SYM.LookupA
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bcs .99
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lda #$4C emit JMP exit
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jsr CODE.TOABSYX
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bcs .99
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lda #'E' define ELSE Label
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jsr CC.KW.NewLabel
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bcs .99
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inc CStackPtr pop ; or }
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lda #4 replace IF by ELSE keyword
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ldy CStackPtr
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sta (ZPCCStack),y
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jsr CC.KW.STMT
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bcs .99
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bit .99 set V : DONT pop context
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rts
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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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CC.KW.ELSE lda #E.CSYN illegal
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sec
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rts
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*--------------------------------------
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CC.KW.ELSE.END lda #'X' define EXIT Label
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jsr CC.KW.NewLabel
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bcs .99
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clv pop context
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.99 rts
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*--------------------------------------
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CC.KW.WHILE jsr CC.KW.BEGIN00
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bcs .99
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lda #'C' define CONT Label
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jsr CC.SYM.NewA
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bcs .99
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jsr CC.GetCharNB
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bcs .9
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cmp #'('
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bne .9
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jsr CC.GetNextCharNB
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bcs .9
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jsr CC.EXP.Eval00 Any var type
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bcs .99
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jsr CC.KW.TestZero
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lda #'B'
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jsr CC.SYM.LookupA
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bcs .99
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lda #$4C emit JMP break:
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jsr CODE.TOABSYX
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bcs .99
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jsr CC.GetCharNB
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bcs .99
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cmp #')'
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bne .9
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jmp CC.KW.STMT
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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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CC.KW.WHILE.END lda #'C'
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jsr CC.KW.GetLabel
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bcs .99
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lda #$4C
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jsr CODE.TOABSYX emit JMP cont:
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bcs .99
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lda #'B' define BREAK Label
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jsr CC.KW.NewLabel
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bcs .99
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clv pop context
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.99 rts
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*--------------------------------------
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CC.KW.DO jsr CC.KW.BEGIN00
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bcs .99
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lda #'C' define CONT Label
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jsr CC.SYM.NewA
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bcs .99
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jmp CC.KW.STMT
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.99 rts
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*--------------------------------------
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CC.KW.DO.END >LDYA L.CC.KW2.DO Check allowed KW for DO....
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jsr CC.LookupID
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bcs .9
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jsr CC.GetCharNB
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bcs .9
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cmp #'('
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bne .9
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jsr CC.GetNextCharNB
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bcs .9
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jsr CC.EXP.Eval00 Any var type
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bcs .99
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jsr CC.KW.TestnZero
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lda #'C'
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jsr CC.KW.GetLabel
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bcs .99
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lda #$4C emit JMP cont
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jsr CODE.TOABSYX
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bcs .99
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lda #'B' define BREAK Label
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jsr CC.KW.NewLabel
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bcs .99
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jsr CC.GetCharNB
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bcs .99
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cmp #')'
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bne .9
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jsr CC.GetNextCharNB
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bcs .9
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clv pop context
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clc
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rts
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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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* for (s1;e2;s3) s;
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*
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* { <- new scope : allows for(int i=1; ....)
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* s1;
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* loop:
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* while (e2) jmp break:
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* {
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* s; jsr s:
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* cont:
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* s3; jmp loop:
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* }
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* s:
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* <s>;
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* break:
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* }
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*--------------------------------------
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CC.KW.FOR jsr CC.GetCharNB
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bcs .29
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cmp #'('
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bne .29
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jsr CC.KW.BEGIN00
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bcs .29
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jsr CC.GetNextCharNB skip '('
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bcs .29
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>LDYA L.CC.TYPEQUAL
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jsr CC.LookupID
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bcs .1
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jsr CC.DECL
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bcc .2
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.19 rts
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.1 jsr CC.STMT get s1
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bcs .19
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* jsr CC.KW.StackDiscard
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.2 jsr CC.GetCharNB
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bcs .9
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cmp #';'
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bne .9
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jsr CC.GetNextCharNB skip ';'
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bcs .9
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*--------------------------------------
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lda #'L' LOOP Label
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jsr CC.SYM.NewA
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bcs .99
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jsr CC.EXP.Eval00 get e2
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.29 bcs .99
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jsr CC.KW.TestZero
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bcs .99
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lda #'B'
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jsr CC.SYM.LookupA
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bcs .99
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lda #$4C emit JMP break:
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jsr CODE.TOABSYX
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lda #'S'
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jsr CC.SYM.LookupA
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bcs .99
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lda #$20 emit JSR s:
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jsr CODE.TOABSYX
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jsr CC.GetCharNB
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bcs .9
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cmp #';'
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bne .9
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jsr CC.GetNextCharNB skip ';'
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bcs .9
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*--------------------------------------
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lda #'C' CONT Label
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jsr CC.SYM.NewA
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bcs .99
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jsr CC.STMT get s3
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bcs .99
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* jsr CC.KW.StackDiscard
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jsr CC.GetCharNB
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bcs .9
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cmp #')'
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bne .9
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lda #'L'
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jsr CC.SYM.LookupA
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bcs .99
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lda #$4C
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jsr CODE.TOABSYX emit JMP loop
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lda #'S' S Label
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jsr CC.SYM.NewA
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bcs .99
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jmp CC.KW.STMT
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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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CC.KW.FOR.END lda #$60
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jsr CODE.EmitByte set RTS for JSR code;
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bcs .99
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lda #'B' define BREAK Label
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jsr CC.KW.NewLabel
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bcs .99
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clv pop context
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.99 rts
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*--------------------------------------
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CC.KW.SWITCH jsr CC.GetCharNB
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bcs .98
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cmp #'('
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bne .98
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jsr CC.GetNextCharNB
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bcs .98
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jsr CC.EXP.Eval00 Any var type
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bcs .99 Y,A=T/Q
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tax
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bne .97
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cpy #SYM.T.UCHAR
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bcc .97
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cpy #SYM.T.FLOAT
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bcs .97
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phy
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tya
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jsr CC.Push push integral type
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ply
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bcs .99
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lda CC.TYPESIZE-1,y
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jsr CC.Push push SizeOf(type)
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bcs .99
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jsr CC.KW.BEGIN
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bcs .99
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jsr CC.GetCharNB
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bcs .99
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cmp #')'
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bne .98
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jmp CC.KW.STMT
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.97 lda #E.TMISMATCH
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sec
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rts
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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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CC.KW.SWITCH.END
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lda #'B' define BREAK Label
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jsr CC.KW.NewLabel
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bcs .99
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clv pop context
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.99 rts
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*--------------------------------------
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CC.KW.CASE ldy CStackPtr
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beq .9
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iny skip ; or }
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lda (ZPCCStack),y
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cmp #10 SWITCH ??
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bne .9
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lda CStackPtr
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clc
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adc #7
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tay
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lda (ZPCCStack),y type
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tay
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lda #0 for integral type
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jsr CC.EXP.Eval
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bcs .99
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jsr CC.GetCharNB
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bcs .9
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cmp #':'
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bne .9
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jsr CC.GetNextCharNB skip ':'
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clc
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rts
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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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CC.KW.DEFAULT ldy CStackPtr
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beq .9
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iny skip ; or }
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lda (ZPCCStack),y
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cmp #10 SWITCH ??
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bne .9
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jsr CC.GetCharNB
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bcs .9
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cmp #':'
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bne .9
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jsr CC.GetNextCharNB skip ':'
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clc
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rts
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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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CC.KW.BREAK lda #'B'
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jsr CC.KW.LookupLabel
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bcs .9
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lda #$4C emit JMP break
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jmp CODE.TOABSYX
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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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CC.KW.CONTINUE lda #'C'
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jsr CC.KW.LookupLabel
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bcs .9
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lda #$4C emit JMP cont
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jmp CODE.TOABSYX
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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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CC.KW.RETURN ldy CStackPtr
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beq .9
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.1 iny skip ; or }
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lda (ZPCCStack),y
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bmi .7 f()
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tya
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clc
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adc #5 skip CPStmt (6 bytes)
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tay
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bcc .1
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.9 lda #E.STACKERROR
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sec
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.99 rts
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.7 iny skip bState
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iny skip Locals
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iny
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iny skip CPSID
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iny get SYM.T
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lda (ZPCCStack),y
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pha
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iny get SYM.Q
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lda (ZPCCStack),y
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ply
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jsr CC.EXP.Eval
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bcs .99
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jsr CC.SYM.GetYASizeOfInAXC Y,A=T/Q
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tax X = sizeof
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jsr CODE.SetRetValue
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bcs .99
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>LDYA L.PCC.LEAVE
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jmp CODE.EmitPCC
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*--------------------------------------
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CC.KW.SIZEOF
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lda #E.CSYN
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sec
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rts
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*--------------------------------------
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CC.KW.STRUCT clc
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.HS B0 BCS
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*--------------------------------------
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CC.KW.UNION sec
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stz ZPPtr2 bNewTagDef
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ror ZPPtr2+1 bStrucUnion
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bit bPass2
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bpl CC.KW.SU.1 Pass 1: create def
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*--------------------------------------
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CC.KW.SU.2 jsr CC.GetNextCharNB
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bcs .98
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cmp #'{'
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beq .1 no TAG
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jsr CC.KW.GetTag
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bcs .99
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|
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jsr CC.GetNextCharNBNL
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bcs .98
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|
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cmp #'{'
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bne .2
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.1 jsr CC.GetNextCharNBNL skip '{'
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cmp #'}'
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bne .1
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jsr CC.GetNextCharNBNL skip '}'
|
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|
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cmp #';'
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bne .2
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jsr CC.GetNextCharNB skip ';'
|
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|
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clc
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rts
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|
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.2 clc reuse buffer
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|
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jsr CC.SYM.Lookup
|
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bcs .99
|
||
|
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jsr CC.GetCharNB
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bcs .98
|
||
|
||
cmp #','
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bne .3
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|
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jsr CC.GetNextCharNBNL
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bcc .2
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bcs .98
|
||
|
||
.3 cmp #';'
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bne .98
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|
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clc
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rts
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|
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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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CC.KW.SU.1 ldy #SYM.T.SU
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lda #0
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ldx #SYM.SC.TAG
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sec reset buffer
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jsr CC.SYM.BufInitYAX
|
||
|
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jsr CC.GetNextCharNB
|
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bcs .98
|
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|
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cmp #'{'
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beq .30 no TAG
|
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|
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jsr CC.KW.NewTag
|
||
bcc .20
|
||
|
||
jsr CC.KW.GetTag
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bcs .99
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*--------------------------------------
|
||
.20 jsr CC.GetNextCharNBNL
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bcs .98
|
||
|
||
cmp #'{'
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beq .30
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||
|
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bit ZPPtr2 bNewTagDef
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bmi .98
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|
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bra .41 go create vars...
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*--------------------------------------
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.30 jsr CC.GetNextCharNBNL skip '{' of ';'
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bcs .98
|
||
|
||
cmp #'}'
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beq .38
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||
|
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>LDYA L.CC.TYPEQUAL
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jsr CC.LookupID
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bcs .98
|
||
|
||
cpx #4 no const nor volatile
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bcc .98
|
||
|
||
jsr CC.TYPE.Decl
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||
bcs .99
|
||
|
||
jsr CC.TYPE.SizeOf get sizeof in X
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|
||
jsr CC.KW.SU.AddYAX
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||
bcs .99
|
||
|
||
jsr CC.SYM.Add0000 TODO: bitO & bitW
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bcs .99
|
||
|
||
jsr CC.SYM.AddName
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||
bcs .99
|
||
|
||
jsr CC.GetCharNB
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cmp #';'
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bne .98
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|
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bra .30
|
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|
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.38 jsr CC.GetNextCharNB skip '}'
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bcs .98
|
||
|
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jsr CC.SYM.Add0000 Close F definition
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bcs .99
|
||
|
||
cmp #';'
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bne .40
|
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|
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jsr CC.GetNextCharNB skip ';'
|
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|
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bit ZPPtr2 bNewTagDef
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||
bpl .98 no tag & no var, error
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||
|
||
jmp CC.KW.StoreTag
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*--------------------------------------
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.98 lda #E.CSYN
|
||
sec
|
||
.99 rts
|
||
*--------------------------------------
|
||
.40 bit ZPPtr2 bNewTagDef
|
||
bpl .41
|
||
|
||
jsr CC.KW.StoreTag
|
||
bcs .99
|
||
|
||
.41 clc reuse buffer
|
||
|
||
ldy #SYM.T.SU
|
||
lda #0
|
||
jsr CC.DECL.YAC
|
||
bcs .99
|
||
|
||
jsr CC.GetCharNB
|
||
bcs .98
|
||
|
||
cmp #','
|
||
bne .42
|
||
|
||
jsr CC.GetNextCharNBNL
|
||
bcc .41
|
||
bcs .98
|
||
|
||
.42 cmp #';'
|
||
bne .98
|
||
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
CC.KW.SU.AddYAX jsr CC.SYM.AddWord add T/Q
|
||
bcs .99
|
||
|
||
bit ZPPtr2+1 bStrucUnion
|
||
bmi .1
|
||
|
||
ldy #SYM.SizeOf
|
||
lda (ZPSymBufPtr),y
|
||
pha
|
||
iny
|
||
lda (ZPSymBufPtr),y
|
||
ply
|
||
|
||
jsr CC.SYM.AddWord Add Y/A Offset
|
||
bcs .99
|
||
|
||
txa
|
||
|
||
ldy #SYM.SizeOf
|
||
* clc
|
||
adc (ZPSymBufPtr),y
|
||
sta (ZPSymBufPtr),y
|
||
bcc .99
|
||
|
||
iny
|
||
lda #0
|
||
adc (ZPSymBufPtr),y
|
||
sta (ZPSymBufPtr),y
|
||
|
||
* clc
|
||
|
||
.99 rts
|
||
|
||
.1 txa
|
||
ldy #SYM.SizeOf
|
||
cmp (ZPSymBufPtr),y
|
||
bcs .2
|
||
|
||
sta (ZPSymBufPtr),y
|
||
|
||
.2 jmp CC.SYM.Add0000 Add Y/A Offset (always 0 for union)
|
||
*--------------------------------------
|
||
CC.KW.ENUM
|
||
lda #E.CSYN
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
CC.KW.NewTag >LDA.G CC.hTags
|
||
jsr CC.SYM.NewKey
|
||
bcs .9
|
||
|
||
>STYA ZPPtr1 TagID
|
||
dec ZPPtr2 bNewTagDef = true
|
||
|
||
jsr CC.SkipX
|
||
|
||
.9 rts
|
||
*--------------------------------------
|
||
CC.KW.GetTag >PUSHB.G CC.hTags
|
||
>PUSHW ZPLineBufPtr
|
||
|
||
>SYSCALL SListLookup
|
||
bcs .9
|
||
|
||
phy Y,A = KeyID
|
||
pha
|
||
|
||
jsr CC.SkipX X = KeyLen
|
||
|
||
>PUSHB.G CC.hTags
|
||
pla
|
||
>PUSHA
|
||
pla
|
||
>PUSHA
|
||
>PUSHW ZPSymBufPtr
|
||
>PUSHWI 65535 all
|
||
>PUSHWZ From Start
|
||
>SYSCALL SListGetData
|
||
.9 rts
|
||
*--------------------------------------
|
||
CC.KW.StoreTag >PUSHB.G CC.hTags
|
||
>PUSHW ZPPtr1
|
||
>PUSHW ZPSymBufPtr
|
||
>PUSHBI 0
|
||
ldy #SYM.DefSize
|
||
lda (ZPSymBufPtr),y
|
||
>PUSHA
|
||
|
||
>SYSCALL SListAddData
|
||
rts
|
||
*--------------------------------------
|
||
CC.KW.BEGIN00 lda #0
|
||
jsr CC.Push no T/Q
|
||
bcs CC.KW.BEGIN.RTS
|
||
|
||
jsr CC.Push
|
||
bcs CC.KW.BEGIN.RTS
|
||
|
||
CC.KW.BEGIN jsr CC.SYM.NewCPSID
|
||
bcs .99
|
||
|
||
>LDA.G CC.CPSPFX+3
|
||
jsr CC.Push
|
||
bcs .99
|
||
|
||
>LDA.G CC.CPSPFX+2
|
||
jsr CC.Push
|
||
bcs .99
|
||
|
||
lda LocalPtr Locals
|
||
jsr CC.Push
|
||
bcs .99
|
||
|
||
lda #0 bState
|
||
jsr CC.Push
|
||
bcs .99
|
||
|
||
>LDA.G CC.CmdSave
|
||
jmp CC.Push
|
||
|
||
.99
|
||
CC.KW.BEGIN.RTS rts
|
||
*--------------------------------------
|
||
CC.KW.STMT jsr CC.GetNextCharNBNL
|
||
bcs .9
|
||
|
||
cmp #'{'
|
||
bne .1
|
||
|
||
jsr CC.GetNextCharNB skip '{'
|
||
bcs .99
|
||
|
||
lda #'}'
|
||
jmp CC.Push
|
||
|
||
.1 lda #';'
|
||
jmp CC.Push
|
||
|
||
.9 lda #E.CSYN
|
||
sec
|
||
.99 rts
|
||
*--------------------------------------
|
||
CC.KW.NewLabel pha
|
||
|
||
lda CStackPtr
|
||
clc
|
||
adc #4
|
||
tay
|
||
|
||
lda (ZPCCStack),y
|
||
pha
|
||
iny
|
||
lda (ZPCCStack),y
|
||
ply
|
||
>STYA.G CC.CPSPFX+2
|
||
|
||
pla
|
||
jmp CC.SYM.NewA
|
||
*--------------------------------------
|
||
CC.KW.GetLabel pha
|
||
|
||
lda CStackPtr
|
||
clc
|
||
adc #4
|
||
tay
|
||
|
||
lda (ZPCCStack),y
|
||
pha
|
||
iny
|
||
lda (ZPCCStack),y
|
||
ply
|
||
>STYA.G CC.CPSPFX+2
|
||
|
||
pla
|
||
jmp CC.SYM.LookupA
|
||
*--------------------------------------
|
||
CC.KW.LookupLabel
|
||
pha
|
||
|
||
ldy CStackPtr
|
||
sty ArgIndex
|
||
|
||
.1 ldy ArgIndex
|
||
beq .9
|
||
|
||
iny skip ; or }
|
||
|
||
lda (ZPCCStack),y
|
||
bmi .9 f()
|
||
|
||
iny
|
||
iny
|
||
iny
|
||
|
||
lda (ZPCCStack),y
|
||
pha
|
||
iny
|
||
lda (ZPCCStack),y
|
||
iny
|
||
|
||
iny
|
||
iny
|
||
|
||
sty ArgIndex
|
||
|
||
ply
|
||
>STYA.G CC.CPSPFX+2
|
||
|
||
pla
|
||
pha
|
||
jsr CC.SYM.LookupA
|
||
bcs .1
|
||
|
||
pla
|
||
.8 rts
|
||
|
||
.9 pla
|
||
lda #E.CSYN
|
||
sec
|
||
.99 rts
|
||
*--------------------------------------
|
||
* Input : Value on Stack, Y,A = Type/Qual
|
||
*--------------------------------------
|
||
CC.KW.TestZero jsr CC.EXP.GetYASizeOfInAXC
|
||
tax
|
||
cpx #1
|
||
bne .1
|
||
|
||
>LDYA L.PCC.TestZero1
|
||
jmp CODE.EmitPCC
|
||
|
||
.1 cpx #2
|
||
bne .2
|
||
|
||
>LDYA L.PCC.TestZero2
|
||
jmp CODE.EmitPCC
|
||
|
||
.2 jsr CODE.LDXI
|
||
bcs .9
|
||
|
||
>LDYA L.PCC.TestZeroX
|
||
jmp CODE.EmitPCC
|
||
|
||
.9 rts
|
||
*--------------------------------------
|
||
* Input : Value on Stack, Y,A = Type/Qual
|
||
*--------------------------------------
|
||
CC.KW.TestnZero jsr CC.EXP.GetYASizeOfInAXC
|
||
tax
|
||
cpx #1
|
||
bne .1
|
||
|
||
>LDYA L.PCC.TestnZero1
|
||
jmp CODE.EmitPCC
|
||
|
||
.1 cpx #2
|
||
bne .2
|
||
|
||
>LDYA L.PCC.TestnZero2
|
||
jmp CODE.EmitPCC
|
||
|
||
.2 jsr CODE.LDXI
|
||
bcs .9
|
||
|
||
>LDYA L.PCC.TestnZeroX
|
||
jmp CODE.EmitPCC
|
||
|
||
.9 rts
|
||
*--------------------------------------
|
||
* Input : Value on Stack, Y,A = Type/Qual
|
||
*--------------------------------------
|
||
CC.KW.StackDiscard
|
||
|
||
jsr CC.TYPE.SizeOf
|
||
txa
|
||
beq .8 void
|
||
|
||
jsr CODE.AddLocal
|
||
|
||
.8 clc
|
||
.9 rts
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE usr/src/bin/cc.s.kw
|
||
LOAD usr/src/bin/cc.s
|
||
ASM
|