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A2osX/BIN/ASM.S.SYM.txt
Rémy GIBERT fe5e44dc5a Kernel version 0.8 : BUGFIX in CD: not processing .. correctly, missing ending / when changing to another volume. BUGFIX in LS:File count missing one. 
Additional Kernel API Documentation
LIBSTR deleted, now Kernel API
2016-10-24 17:54:43 +02:00

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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.iLastGBlock
sta (pData),y
dec
ldy #SYM.pLastGBlock
sta (pData),y
jsr SYM.NewGBlock
bcs .9
clc
.9 rts
*---------------------------------------
SYM.Quit ldy #SYM.pLastGBlock
lda (pData),y
bmi .8
.1 clc
adc #SYM.hGBlocks
tay
lda (pData),y
>SYSCALL FreeMemA
ldy #SYM.pLastGBlock
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.ResetGBlockPtr
.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 #5
bne .2 Get Value+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
rts
.5 lda #13
>SYSCALL COutA
ldy #SYM.DumpCount
lda (pData),y
dec
bne .6
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
clc
rts
*---------------------------------------
SYM.SearchLocal
clc
rts
*---------------------------------------
SYM.SearchGlobal >STYA ZPSymbolPtr
jsr SYM.ResetGBlockPtr
.1 ldy #SYM.iCurGBlock
lda (pData),y
sta SYM.iCurGBlock.Save
ldy #SYM.pCurGBlock
lda (pData),y
sta SYM.pCurGBlock.Save
jsr SYM.GetByteGBlock Get Flags
beq .9
sta SRC.FLabel.Flags
ldx #0
.2 jsr SYM.GetByteGBlock
sta SRC.FLabel.Value,x
inx
cpx #5
bne .2 Get Value+Len
ldx #0
.3 jsr SYM.GetByteGBlock
sta SRC.FLabel.Name,x
inx
cpx SRC.FLabel.Len
bne .3
txa
ldy #5
cmp (ZPSymbolPtr),y
bne .5
ldx #0
.4 inx
iny
lda SRC.FLabel.Name-1,x
cmp (ZPSymbolPtr),y
bne .5
cpx SRC.FLabel.Len
bne .4
lda SYM.pCurGBlock.Save
ldy #SYM.pCurGBlock
sta (pData),y
lda SYM.iCurGBlock.Save
ldy #SYM.iCurGBlock
sta (pData),y
jmp SYM.GetGBlockA
.5 jsr SYM.GetByteGBlock skip Locals
beq .1
jsr SYM.GetByteGBlock
bra .5
.9 sec
rts
*---------------------------------------
SYM.AddGToGBlockYA >STYA ZPSymbolPtr
jsr SYM.SetGBlockPtr
ldy #SYM.pLastGBlock 1st Gblock to add?
lda (pData),y
ldy #SYM.iLastGBlock
ora (pData),y
beq .10 yes, skip closing previous one
lda #0 Close Pending Global/Local
jsr SYM.AddByteGBlock
bcs .9
.10 ldy #0
.1 lda (ZPSymbolPtr),y
jsr SYM.AddByteGBlock
bcs .9
iny
cpy #5
bne .1 moved Flags & Value to GBlock....
lda (ZPSymbolPtr),y Get Len
tax
jsr SYM.AddByteGBlock
bcs .9
.2 iny
lda (ZPSymbolPtr),y
jsr SYM.AddByteGBlock
bcs .9
dex
bne .2
clc
.9 rts
*---------------------------------------
SYM.AddLToGBlock jsr SYM.SetGBlockPtr
lda SRC.LLabel.ID
jsr SYM.AddByteGBlock
bcs .9
lda SRC.LLabel.Offset
jmp SYM.AddByteGBlock
.9 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.pCurGBlock
lda (pData),y
inc
sta (pData),y
jsr SYM.GetGBlockA
.1 pla
clc
rts
*---------------------------------------
SYM.ResetGBlockPtr lda #0
ldy #SYM.pCurGBlock
sta (pData),y
ldy #SYM.iCurGBlock
sta (pData),y
bra SYM.GetGBlockA
*---------------------------------------
SYM.SetGBlockPtr ldy #SYM.pLastGBlock
lda (pData),y
SYM.GetGBlockA clc
adc #SYM.hGBlocks
tay
lda (pData),y
phx
>SYSCALL GetMemPtrA
>STYA ZPBlockPtr
plx
rts
*---------------------------------------
SYM.AddByteGBlock phx
phy
pha
ldy #SYM.iLastGBlock
lda (pData),y
tay
pla
sta (ZPBlockPtr),y
tya
inc
beq SYM.NewGBlock2
ldy #SYM.iLastGBlock
sta (pData),y
ply
plx
clc
rts
*---------------------------------------
SYM.NewGBlock phx
phy
SYM.NewGBlock2 >PUSHWI 256
>PUSHBI S.MEM.F.INIT0
>SYSCALL GetMem
bcs .9
>STYA ZPBlockPtr
ldy #SYM.pLastGBlock
lda (pData),y
inc
sta (pData),y
clc
adc #SYM.hGBlocks
tay
txa
sta (pData),y
lda #0
ldy #SYM.iLastGBlock
sta (pData),y
clc
.9 ply
plx
rts
*---------------------------------------
MAN
SAVE BIN/ASM.S.SYM
LOAD BIN/ASM.S
ASM
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