mirror of
https://github.com/A2osX/A2osX.git
synced 2024-06-13 11:29:44 +00:00
349 lines
6.1 KiB
Plaintext
349 lines
6.1 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: (6+ bytes)
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* 0 : Len
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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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* b2,b1,b0 : Size (in bytes)
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* 2-5 : 32 bits Value
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* 6+ : Local Symbols.....
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*---------------------------------------
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* Local Symbol Record: (6 bytes)
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* 0 : Local ID (1->255)
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* 1 : Flags:
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* b7=0=pending,1=resolved
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* 2-5 : 32 bits Value (PC)
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*---------------------------------------
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* Private Symbol Record: (9 bytes)
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* 0 : Len (8)
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* 1 : Flags:
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* b7=0=pending,1=resolved
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* 2-5 : 32 bits Value (PC)
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* 6,7 : MCID (Macro Context ID)
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* 8 : Private ID (0->255)
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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 ZPGlobalBuf
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txa
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>STA.G SYM.hGlobalBuf
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>LDYAI 256
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>SYSCALL GetMem.YA
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bcs .9
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>STYA ZPLookupBuf
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txa
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>STA.G SYM.hLookupBuf
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.9 rts
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*---------------------------------------
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SYM.Reset lda #0
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sta (ZPGlobalBuf)
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rts
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*---------------------------------------
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SYM.Quit >LDA.G SYM.hLookpBuf
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beq .1
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>SYSCALL FreeMem.A
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.1 >LDA.G SYM.hGlobalBuf
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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 stz ZPLinePtr
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stz ZPLinePtr+1
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>LDA.G ASM.LI.ON
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bpl .1
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>LDYA L.MSG.SYMBOLS
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>SYSCALL PrintF.YA
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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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stx ZPLinePtr Save Next ID
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sty ZPLinePtr+1
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>LDA.G ASM.LI.ON
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bpl .1
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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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ldy #SYMG.F Get Symbol Size
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lda (ZPPtr1),y
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and #SYMG.F.SIZE
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beq .3
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pha
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tax
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iny SYMG.V
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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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pla
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asl
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.3 tax
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ldy L.MSG.EQU0,x
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lda L.MSG.EQU0+1,x
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>SYSCALL PrintF.YA
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>PUSHW ZPTmpBuf Label (PString)
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>LDYA L.MSG.PSTRCRLF
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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.NewGlobal >LDYA ZPLinePtr
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>STYA SYM.GlobalPtr
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jsr SYM.PC2Global A=PC Size
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ora #SYMG.F.RESOLVED PC is always known
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ldy #SYMG.F
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sta (ZPGlobalBuf),y
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lda #SYMG.SIZE-1
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* ldy #SYMG.LEN
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sta (ZPGlobalBuf)
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clc
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rts
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*---------------------------------------
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SYM.GetGlobal >PUSHB.G SYM.hGlobals
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>PUSHW ZPLinePtr
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>PUSHW ZPGlobalBuf
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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.GlobalID+1
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txa
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>STA.G SYM.GlobalID
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.9 rts
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*---------------------------------------
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SYM.AddGlobal >PUSHB.G SYM.hGlobals
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>PUSHW ZPLinePtr
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>PUSHW ZPGlobalBuf
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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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.1 clc
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.HS B0 BCS
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.9 sec
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tya
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>STA.G SYM.GlobalID+1
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dey
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txa
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sta (pData),y
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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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>PUSHW ZPLookupBuf
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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 .8
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inc ZPLinePtr+1
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clc
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.8
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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+SYMG.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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lda SRC.ACC.SIZE
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*---------------------------------------
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SYM.UpdateGlobal ora #SYMG.F.RESOLVED
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>STA.G SYM.Global+SYMG.F
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lda #SYMG.SIZE-1 F+V+LSID
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>STA.G SYM.Global+SYMG.LEN
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>PUSHB.G SYM.hGlobals
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>PUSHW.G SYM.GlobalID
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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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SYMG.FlushGlobal clc
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rts
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*---------------------------------------
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SYM.PC2Global 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 #SYMG.V+3
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.2 pla
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sta (ZPGlobalBuf),y
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dey
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dex
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bne .2
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ldx #4
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ldy #ASM.PC+3
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.3 lda (ZPGlobalBuf),y
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bne .4
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dex
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dey
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bne .3
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.4 txa
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ora #SYMG.F.RESOLVED
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ldy #SYMG.F
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sta (ZPGlobalBuf),y
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txa A=PC Size
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rts
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*---------------------------------------
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SYM.AddLocal tax Save ID
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lda (ZPGlobalBuf)
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tay
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clc
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adc #SYML.SIZE
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bcs .9
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txa Get Back ID
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sta (ZPGlobalBuf),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 (ZPGlobalBuf),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 (ZPGlobalBuf),y
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tya
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sta (ZPGlobalBuf)
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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.LookupLocal lda #2
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sta SRC.ACC.SIZE
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lda #$FF
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sta SRC.ACC
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sta SRC.ACC+1
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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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