A2osX/BIN/ASM.S.SYM.txt

PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
					.LIST OFF
*---------------------------------------
* Global Symbol Record: (8+ bytes)
*  0 : Flags:
*		b7=Valid Entry
*		b6=pending
*		b0=R/W (.SE)
*  1-4 : 32 bits Value
*  5 : Len
*  6-... Name 
*    ......
* Local Symbol Record: (2 bytes)
*  2 : Local ID (1->255)
*  3 : offset from Global Symbol
*    ......
*  Ending 0
*---------------------------------------
* Global Symbol Index (Sorted)
* 0 : hGblock
* 1 : Offset in block
*---------------------------------------
* Private Symbol Record: (7 bytes)
*  0,1 : MacroID
*  2 : Private ID (0->255)
*  3-6 : Value
*---------------------------------------
* Macro Record: ( bytes)
*---------------------------------------
SYM.Init			lda #0
					ldy #SYM.iCurGBlock
					sta (pData),y
					dec
					ldy #SYM.hCurGBlock
					sta (pData),y
					
					jsr SYM.NewGBlock
					bcs .9
					
					clc
.9					rts
*---------------------------------------
SYM.Quit			ldy #SYM.LastGBlock
					lda (pData),y
					bmi .8
					
.1					clc
					adc #SYM.hGBlocks
					tay
					lda (pData),y
					>SYSCALL SYS.FreeMemA
					ldy #SYM.LastGBlock
					lda (pData),y
					dec
					sta (pData),y
					bpl .1
					
.8					clc
					rts
*---------------------------------------
SYM.Dump			>PUSHW L.MSG.SYMBOLS
					>LIBCALL hLIBSTR,LIBSTR.PRINTF
					
					ldy #SYM.DumpCount
					lda #20
					sta (pData),y
					
					jsr SYM.ResetGBlock

.1					jsr SYM.GetByteGBlock	Get Flags
					sta SRC.GLabel.Flags
					bne .10
					clc
					rts
				
.10					ldx #0
.2					jsr SYM.GetByteGBlock
					sta SRC.GLabel.Value,x
					inx
					cpx #4
					bne .2
					
					jsr SYM.GetByteGBlock
					sta SRC.GLabel.Len
					
					ldx #0
.3					jsr SYM.GetByteGBlock
					sta SRC.GLabel.Name,x
					inx
					cpx SRC.GLabel.Len
					bne .3
					
					>PUSHW L.SRC.GLabel.Len
					
					lda SRC.GLabel.Value+1
					>PUSHA
					lda SRC.GLabel.Value
					>PUSHA
					lda SRC.GLabel.Value+3
					>PUSHA
					lda SRC.GLabel.Value+2
					>PUSHA
					
					>PUSHW L.MSG.GSYMBOL
					>LIBCALL hLIBSTR,LIBSTR.PRINTF
					bcs .9
					
.4					jsr SYM.GetByteGBlock
					beq .5				End Locals...proceed next Global

					pha
					jsr SYM.GetByteGBlock
					>PUSHA
					pla
					>PUSHA
					>PUSHW L.MSG.LSYMBOL
					>LIBCALL hLIBSTR,LIBSTR.PRINTF
					bcc .4
					
.5					lda #13
					>SYSCALL SYS.CoutA
					
					ldy #SYM.DumpCount
					lda (pData),y
					dec
					bne .6
					>DEBUG					
					lda #20
.6					sta (pData),y
					jmp .1
.9					rts
*---------------------------------------
SYM.AddPrivate		
					clc
					rts
*---------------------------------------
SYM.LookupPrivate
					clc
					rts
*---------------------------------------
SYM.AddMacro
					clc
					rts
*---------------------------------------
SYM.LookupMacro
					clc
					rts
*---------------------------------------
SYM.UpdateGlobal	
*---------------------------------------
SYM.FindGlobal		jsr SYM.ResetGBlock

.1					jsr SYM.GetByteGBlock	Get Flags
					beq .9
					sta SRC.FLabel.Flags
					
					ldx #0
					
.2					jsr SYM.GetByteGBlock
					sta SRC.FLabel.Value,x
					inx
					cpx #4
					bne .2
					
					jsr SYM.GetByteGBlock
					sta SRC.FLabel.Len
					
					ldx #0
.3					jsr SYM.GetByteGBlock
					sta SRC.FLabel.Name,x
					inx
					cpx SRC.FLabel.Len
					bne .3

					cpx SRC.ELabel.Len
					bne .5

.4					lda SRC.FLabel.Name-1,x
					cmp SRC.ELabel.Name-1,x
					bne .5
					dex
					bne .4
					clc
					rts
					
.5					jsr SYM.GetByteGBlock
					beq .1
					jsr SYM.GetByteGBlock
					bra .5
					
.9					sec
					rts
*---------------------------------------
SYM.AddLToGBlock	jsr SYM.GetLastGBlock

					lda SRC.LLabel.ID
					jsr SYM.AddByteGBlock
					bcs .9
					
					lda SRC.LLabel.Offset
					jmp SYM.AddByteGBlock
.9					rts					
*---------------------------------------
SYM.AddGToGBlock	jsr SYM.GetLastGBlock
					
					ldy #SYM.hCurGBlock		1st Gblock to add?
					lda (pData),y
					ldy #SYM.iCurGBlock
					ora (pData),y
					beq .10					yes, skip closing previous one
					
					lda #0				Close Pending Global/Local
					jsr SYM.AddByteGBlock
					bcs .9
					
.10					ldx #0
.1					lda SRC.GLabel.Flags,x
					jsr SYM.AddByteGBlock
					bcs .9
					inx
					cpx #6
					bne .1
					
					ldx #0
					
.2					lda SRC.GLabel.Name,x					
					jsr SYM.AddByteGBlock
					bcs .9
					inx
					cpx SRC.GLabel.Len
					bne .2

					clc
.9					rts
*---------------------------------------
SYM.ResetGBlock		ldy #SYM.hGBlocks
					lda (pData),y
					>SYSCALL SYS.GetMemPtrA
					>STYA ZPBlockPtr
					lda #0
					ldy #SYM.hCurGBlock
					sta (pData),y
					ldy #SYM.iCurGBlock
					sta (pData),y
					rts
*---------------------------------------
SYM.GetByteGBlock	ldy #SYM.iCurGBlock
					lda (pData),y
					tay
					lda (ZPBlockPtr),y
					pha
					
					ldy #SYM.iCurGBlock
					lda (pData),y
					inc
					sta (pData),y
					bne .1
						
					ldy #SYM.hCurGBlock					
					lda (pData),y
					inc
					sta (pData),y
					jsr SYM.GetGBlockA
					
.1					pla
					clc
					rts
*---------------------------------------
SYM.GetLastGBlock	ldy #SYM.LastGBlock
					lda (pData),y
SYM.GetGBlockA		clc
					adc #SYM.hGBlocks
					tay
					lda (pData),y
					phx
					>SYSCALL SYS.GetMemPtrA
					>STYA ZPBlockPtr
					plx
					rts
*---------------------------------------
SYM.AddByteGBlock	pha
					ldy #SYM.iCurGBlock
					lda (pData),y
					tay
					
					pla
					sta	(ZPBlockPtr),y
					
					tya
					inc
					beq SYM.NewGBlock
					
					ldy #SYM.iCurGBlock
					sta (pData),y
					clc
					rts
*---------------------------------------
SYM.NewGBlock		phx
					>PUSHWI 256
					>PUSHBI S.MEM.F.INIT0
					>SYSCALL SYS.GetMem
					
					bcs .9
					>STYA ZPBlockPtr
					
					ldy #SYM.LastGBlock
					lda (pData),y
					inc
					sta (pData),y
					
					clc
					adc #SYM.hGBlocks
					tay
					
					txa
					sta (pData),y
					
					lda #0
					ldy #SYM.iCurGBlock
					sta (pData),y

					clc
.9					plx
					rts
*---------------------------------------					
MAN
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LOAD BIN/ASM.S
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