mirror of
https://github.com/A2osX/A2osX.git
synced 2024-07-14 04:29:02 +00:00
311 lines
5.3 KiB
Plaintext
311 lines
5.3 KiB
Plaintext
NEW
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PREFIX /A2OSX.BUILD
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AUTO 4,1
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*---------------------------------------
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* Global Symbol Record: (8+ bytes)
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* 0 : Len (6)
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* 1 : Flags:
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* b7=0=pending,1=resolved
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* b6=R/W (.SE)
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* 2-5 : 32 bits Value
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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 >SYSCALL SListNew
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bcs .9
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>STA.G SYM.hGlobals
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>LDYAI 256
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>SYSCALL GetMem.YA
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bcs .9
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>STYA ZPLocalBuf
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txa
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>STA.G SYM.hLocalBuf
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>LDYAI 256
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>SYSCALL GetMem.YA
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bcs .9
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>STYA ZPMacroBuf
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txa
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>STA.G MAC.hBuf
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.9 rts
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*---------------------------------------
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SYM.Quit >LDA.G MAC.hBuf
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beq .1
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>SYSCALL FreeMem.A
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.1 >LDA.G SYM.hLocalBuf
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beq .2
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>SYSCALL FreeMem.A
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.2 >LDA.G SYM.hGlobals
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beq .8
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>SYSCALL SListFree.A
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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 PrintF.YA
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stz ZPLinePtr
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stz ZPLinePtr+1
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.1 >PUSHB.G SYM.hGlobals
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>PUSHW ZPLinePtr
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>PUSHW ZPTmpBuf
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>SYSCALL SListGetByID
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bcs .8
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>STYA ZPLinePtr
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>PUSHW ZPTmpBuf Label (PString)
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lda (ZPTmpBuf)
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sec
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adc ZPTmpBuf
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sta ZPPtr1
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lda ZPTmpBuf+1
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adc #0
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sta ZPPtr1+1
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ldx #4
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ldy #2
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.2 lda (ZPPtr1),y
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>PUSHA
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iny
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dex
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bne .2
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>LDYA L.MSG.GSYMBOL
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>SYSCALL PrintF.YA
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bcc .1
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rts
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.8 clc
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rts
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*---------------------------------------
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SYM.AddGlobalPC ldx #4
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ldy #ASM.PC
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.1 lda (pData),y
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pha
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iny
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dex
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bne .1
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ldx #4
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ldy #SYM.Global+SYM.V+3
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.2 pla
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sta (pData),y
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dey
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dex
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bne .2
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*---------------------------------------
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SYM.AddGlobal lda #SYM.F.RESOLVED
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>STA.G SYM.Global+SYM.F
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lda #5 F+DWORD
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>STA.G SYM.Global+SYM.LEN
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>PUSHB.G SYM.hGlobals
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>PUSHW ZPLinePtr
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>PUSHEA.G SYM.Global
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>SYSCALL SListAdd
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bcs .9
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adc ZPLinePtr
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sta ZPLinePtr
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bcc .1
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inc ZPLinePtr+1
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clc
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.1 tya
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>STA.G SYM.ID+1
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dey
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txa
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sta (pData),y
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.9 rts
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*---------------------------------------
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SYM.LookupGlobal >PUSHB.G SYM.hGlobals
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>PUSHW ZPLinePtr
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>PUSHEA.G SYM.Lookup
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>SYSCALL SListLookup
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bcs .9
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adc ZPLinePtr
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sta ZPLinePtr
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bcc .1
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inc ZPLinePtr+1
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clc
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.1 tya
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>STA.G SYM.ID+1
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txa
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>STA.G SYM.ID
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.9 rts
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*---------------------------------------
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SYM.UpdateGlobalAcc ldx #3
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ldy #SYM.Global+SYM.V+3
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.1 lda SRC.ACC,x
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sta (pData),y
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dey
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dex
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bpl .1
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*---------------------------------------
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SYM.UpdateGlobal lda #SYM.F.RESOLVED
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>STA.G SYM.Global+SYM.F
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lda #5 F+DWORD
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>STA.G SYM.Global+SYM.LEN
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>PUSHB.G SYM.hGlobals
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>PUSHW.G SYM.ID
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>PUSHEA.G SYM.Global
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>SYSCALL SListUpdateByID
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rts
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*---------------------------------------
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SYM.AddLocalPC tax Save ID
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>LDA.G SYM.LocalIndex
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tay
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clc
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adc #6
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bcs .9
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txa Get Back ID
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sta (ZPLocalBuf),y
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iny
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lda #SYM.F.RESOLVED
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sta (ZPLocalBuf),y
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iny
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phy
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ldx #4
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ldy #ASM.PC+3
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.1 lda (pData),y
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pha
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dey
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dex
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bne .1
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ldx #4
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ply
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.2 pla
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sta (ZPLocalBuf),y
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iny
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dex
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bne .2
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lda #0
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sta (ZPLocalBuf),y
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tya
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>STA.G SYM.LocalIndex
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* clc
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rts
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.9 lda #ERR.TOO.MANY.LOCAL
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* sec
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rts
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*---------------------------------------
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SYM.AddLocalPending tax Save ID
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>LDA.G SYM.LocalIndex
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tay
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clc
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adc #6
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bcs .9
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txa Get Back ID
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sta (ZPLocalBuf),y
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ldx #6 F+DWORD+Ending 0
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lda #0
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.1 iny
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sta (ZPLocalBuf),y
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iny
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dex
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bne .1
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>STA.G SYM.LocalIndex
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* clc
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rts
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.9 lda #ERR.TOO.MANY.LOCAL
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* sec
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rts
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*---------------------------------------
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SYM.GetLocal
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clc
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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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MAN
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SAVE /A2OSX.BUILD/BIN/DEV/ASM.S.SYM
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LOAD /A2OSX.BUILD/BIN/DEV/ASM.S
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ASM
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