mirror of
https://github.com/A2osX/A2osX.git
synced 2024-06-01 07:41:51 +00:00
366 lines
6.8 KiB
Plaintext
366 lines
6.8 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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NEW
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INC 1
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AUTO 6
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.LIST OFF
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*---------------------------------------
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* Global Symbol Record: (8+ bytes)
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* 0 : Flags:
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* b7=Valid Entry
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* b6=pending
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* b0=R/W (.SE)
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* 1-4 : 32 bits Value
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* 5 : Len
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* 6-... Name
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* ......
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* Local Symbol Record: (2 bytes)
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* 2 : Local ID (1->255)
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* 3 : offset from Global Symbol
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* ......
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* Ending 0
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*---------------------------------------
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* Global Symbol Index (Sorted)
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* 0 : hGblock
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* 1 : Offset in block
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*---------------------------------------
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* Private Symbol Record: (7 bytes)
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* 0,1 : MacroID
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* 2 : Private ID (0->255)
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* 3-6 : Value
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*---------------------------------------
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* Macro Record: ( bytes)
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*---------------------------------------
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SYM.Init lda #0
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ldy #SYM.iLastGBlock
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sta (pData),y
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dec
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ldy #SYM.pLastGBlock
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sta (pData),y
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jsr SYM.NewGBlock
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bcs .9
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clc
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.9 rts
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*---------------------------------------
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SYM.Quit ldy #SYM.pLastGBlock
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lda (pData),y
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bmi .8
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.1 clc
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adc #SYM.hGBlocks
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tay
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lda (pData),y
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>SYSCALL FreeMemA
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ldy #SYM.pLastGBlock
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lda (pData),y
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dec
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sta (pData),y
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bpl .1
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.8 clc
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rts
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*---------------------------------------
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SYM.Dump >LDYA L.MSG.SYMBOLS
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>SYSCALL CPrintFYA
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ldy #SYM.DumpCount
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lda #20
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sta (pData),y
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jsr SYM.ResetGBlockPtr
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.1 jsr SYM.GetByteGBlock Get Flags
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sta SRC.GLabel.Flags
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bne .10
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clc
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rts
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.10 ldx #0
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.2 jsr SYM.GetByteGBlock
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sta SRC.GLabel.Value,x
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inx
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cpx #5
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bne .2 Get Value+Len
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ldx #0
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.3 jsr SYM.GetByteGBlock
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sta SRC.GLabel.Name,x
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inx
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cpx SRC.GLabel.Len
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bne .3
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>PUSHW L.SRC.GLabel.Len
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lda SRC.GLabel.Value+1
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>PUSHA
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lda SRC.GLabel.Value
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>PUSHA
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lda SRC.GLabel.Value+3
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>PUSHA
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lda SRC.GLabel.Value+2
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>PUSHA
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>LDYA L.MSG.GSYMBOL
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>SYSCALL CPrintFYA
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bcs .9
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.4 jsr SYM.GetByteGBlock
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beq .5 End Locals...proceed next Global
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pha
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jsr SYM.GetByteGBlock
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>PUSHA
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pla
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>PUSHA
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>LDYA L.MSG.LSYMBOL
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>SYSCALL CPrintFYA
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bcc .4
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rts
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.5 lda #13
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>SYSCALL PutCA
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ldy #SYM.DumpCount
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lda (pData),y
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dec
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bne .6
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lda #20
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.6 sta (pData),y
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jmp .1
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.9 rts
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*---------------------------------------
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SYM.AddPrivate
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clc
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rts
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*---------------------------------------
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SYM.LookupPrivate
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clc
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rts
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*---------------------------------------
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SYM.AddMacro
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clc
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rts
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*---------------------------------------
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SYM.LookupMacro
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clc
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rts
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*---------------------------------------
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SYM.UpdateGlobal
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clc
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rts
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*---------------------------------------
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SYM.SearchLocal
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clc
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rts
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*---------------------------------------
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SYM.SearchGlobal >STYA ZPSymbolPtr
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jsr SYM.ResetGBlockPtr
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.1 ldy #SYM.iCurGBlock
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lda (pData),y
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sta SYM.iCurGBlock.Save
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ldy #SYM.pCurGBlock
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lda (pData),y
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sta SYM.pCurGBlock.Save
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jsr SYM.GetByteGBlock Get Flags
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beq .9
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sta SRC.FLabel.Flags
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ldx #0
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.2 jsr SYM.GetByteGBlock
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sta SRC.FLabel.Value,x
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inx
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cpx #5
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bne .2 Get Value+Len
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ldx #0
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.3 jsr SYM.GetByteGBlock
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sta SRC.FLabel.Name,x
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inx
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cpx SRC.FLabel.Len
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bne .3
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txa
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ldy #5
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cmp (ZPSymbolPtr),y
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bne .5
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ldx #0
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.4 inx
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iny
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lda SRC.FLabel.Name-1,x
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cmp (ZPSymbolPtr),y
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bne .5
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cpx SRC.FLabel.Len
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bne .4
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lda SYM.pCurGBlock.Save
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ldy #SYM.pCurGBlock
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sta (pData),y
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lda SYM.iCurGBlock.Save
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ldy #SYM.iCurGBlock
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sta (pData),y
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jmp SYM.GetGBlockA
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.5 jsr SYM.GetByteGBlock skip Locals
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beq .1
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jsr SYM.GetByteGBlock
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bra .5
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.9 sec
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rts
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*---------------------------------------
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SYM.AddGToGBlockYA >STYA ZPSymbolPtr
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jsr SYM.SetGBlockPtr
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ldy #SYM.pLastGBlock 1st Gblock to add?
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lda (pData),y
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ldy #SYM.iLastGBlock
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ora (pData),y
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beq .10 yes, skip closing previous one
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lda #0 Close Pending Global/Local
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jsr SYM.AddByteGBlock
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bcs .9
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.10 ldy #0
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.1 lda (ZPSymbolPtr),y
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jsr SYM.AddByteGBlock
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bcs .9
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iny
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cpy #5
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bne .1 moved Flags & Value to GBlock....
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lda (ZPSymbolPtr),y Get Len
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tax
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jsr SYM.AddByteGBlock
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bcs .9
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.2 iny
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lda (ZPSymbolPtr),y
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jsr SYM.AddByteGBlock
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bcs .9
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dex
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bne .2
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clc
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.9 rts
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*---------------------------------------
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SYM.AddLToGBlock jsr SYM.SetGBlockPtr
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lda SRC.LLabel.ID
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jsr SYM.AddByteGBlock
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bcs .9
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lda SRC.LLabel.Offset
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jmp SYM.AddByteGBlock
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.9 rts
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*---------------------------------------
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SYM.GetByteGBlock ldy #SYM.iCurGBlock
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lda (pData),y
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tay
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lda (ZPBlockPtr),y
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pha
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ldy #SYM.iCurGBlock
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lda (pData),y
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inc
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sta (pData),y
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bne .1
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ldy #SYM.pCurGBlock
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lda (pData),y
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inc
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sta (pData),y
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jsr SYM.GetGBlockA
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.1 pla
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clc
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rts
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*---------------------------------------
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SYM.ResetGBlockPtr lda #0
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ldy #SYM.pCurGBlock
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sta (pData),y
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ldy #SYM.iCurGBlock
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sta (pData),y
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bra SYM.GetGBlockA
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*---------------------------------------
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SYM.SetGBlockPtr ldy #SYM.pLastGBlock
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lda (pData),y
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SYM.GetGBlockA clc
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adc #SYM.hGBlocks
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tay
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lda (pData),y
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phx
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>SYSCALL GetMemPtrA
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>STYA ZPBlockPtr
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plx
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rts
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*---------------------------------------
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SYM.AddByteGBlock phx
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phy
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pha
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ldy #SYM.iLastGBlock
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lda (pData),y
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tay
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pla
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sta (ZPBlockPtr),y
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tya
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inc
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beq SYM.NewGBlock2
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ldy #SYM.iLastGBlock
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sta (pData),y
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ply
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plx
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clc
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rts
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*---------------------------------------
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SYM.NewGBlock phx
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phy
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SYM.NewGBlock2 >PUSHWI 256
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>PUSHBI S.MEM.F.INIT0
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>SYSCALL GetMem
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bcs .9
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>STYA ZPBlockPtr
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ldy #SYM.pLastGBlock
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lda (pData),y
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inc
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sta (pData),y
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clc
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adc #SYM.hGBlocks
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tay
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txa
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sta (pData),y
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lda #0
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ldy #SYM.iLastGBlock
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sta (pData),y
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clc
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.9 ply
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plx
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rts
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*---------------------------------------
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MAN
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SAVE BIN/ASM.S.SYM
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LOAD BIN/ASM.S
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ASM
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