mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-22 16:31:07 +00:00
9e960a234e
KERNEL: modification for Softcard //e (may help...or not) KERNEL: bugfix for VS/VE drive detetcion and report on KCONFIG CC: some progress on STRUCT & UNION SHARED/PrintF: removed support for /n..... (now in S-C MASM3.1 & A2osX-ASM)
1190 lines
18 KiB
Plaintext
1190 lines
18 KiB
Plaintext
NEW
|
||
AUTO 3,1
|
||
.LIST OFF
|
||
*--------------------------------------
|
||
CSH.Init lda #SL._
|
||
>SYSCALL SListNew
|
||
bcs .99
|
||
|
||
>STA.G CSH.hDefines
|
||
|
||
lda #SL._
|
||
>SYSCALL SListNew
|
||
bcs .99
|
||
|
||
>STA.G CSH.hTags
|
||
|
||
lda #SL._
|
||
>SYSCALL SListNew
|
||
bcs .9
|
||
|
||
>STA.G CSH.hSymbols
|
||
|
||
>LDYAI 256
|
||
>SYSCALL GetMem
|
||
.99 bcs .9
|
||
|
||
>STYA ZPCSHCode
|
||
txa
|
||
>STA.G CSH.hCode
|
||
|
||
>LDYAI 256
|
||
>SYSCALL GetMem
|
||
bcs .9
|
||
|
||
>STYA ZPCSHConst
|
||
txa
|
||
>STA.G CSH.hConst
|
||
|
||
>LDYAI 256
|
||
>SYSCALL GetMem
|
||
bcs .9
|
||
|
||
>STYA ZPCSHData
|
||
txa
|
||
>STA.G CSH.hData
|
||
|
||
>LDYAI 256
|
||
>SYSCALL GetMem
|
||
bcs .9
|
||
|
||
>STYA ZPCSHStack
|
||
txa
|
||
>STA.G CSH.hStack
|
||
|
||
>LDYAI 256
|
||
>SYSCALL GetMem
|
||
bcs .9
|
||
|
||
>STYA ZPCSHfDecl
|
||
txa
|
||
>STA.G CSH.hfDecl
|
||
|
||
lda #0
|
||
>STA.G CSH.ConstPtr
|
||
>STA.G CSH.StackPtr
|
||
* clc
|
||
.9 rts
|
||
*--------------------------------------
|
||
CSH.Quit >LDA.G CSH.hSymbols
|
||
beq .1
|
||
|
||
>SYSCALL SListFree
|
||
|
||
.1 >LDA.G CSH.hTags
|
||
beq .2
|
||
|
||
>SYSCALL SListFree
|
||
|
||
.2 >LDA.G CSH.hDefines
|
||
beq .3
|
||
|
||
>SYSCALL SListFree
|
||
|
||
.3 lda hInclude
|
||
beq .4
|
||
|
||
>SYSCALL FClose
|
||
|
||
.4 lda hDefine
|
||
jsr .7
|
||
|
||
>LDA.G hFileBuf
|
||
jsr .7
|
||
|
||
>LDA.G CSH.hfDecl
|
||
jsr .7
|
||
|
||
>LDA.G CSH.hStack
|
||
jsr .7
|
||
|
||
>LDA.G CSH.hData
|
||
jsr .7
|
||
|
||
>LDA.G CSH.hConst
|
||
jsr .7
|
||
|
||
>LDA.G CSH.hCode
|
||
|
||
.7 beq CSH.Quit.RTS
|
||
>SYSCALL FreeMem
|
||
CSH.Quit.RTS rts
|
||
*--------------------------------------
|
||
CSH.Run jsr CSH.GetCharNB
|
||
bcs CSH.Quit.RTS
|
||
|
||
CSH.Run.1 cmp #C.CR empty line....
|
||
beq .2
|
||
|
||
cmp #'/'
|
||
bne .3 comments ...
|
||
|
||
jmp CSH.COMMENTS
|
||
|
||
.2 jmp CSH.GetNextChar Skip CR and exit
|
||
|
||
.3 cmp #'#' directive ?
|
||
bne .4
|
||
|
||
jmp CSH.DIR
|
||
|
||
.4 cmp #'}' End of block ?
|
||
bne .10
|
||
|
||
jsr CSH.CheckStack must be something on stack....
|
||
bcs CSH.Quit.RTS
|
||
|
||
jsr CSH.GetNextCharNB Skip '}'
|
||
jsr CSH.Pop was expected....
|
||
jsr CSH.Pop get stacked Cmd...
|
||
tax
|
||
jmp (J.CSH.KW.END,x)
|
||
*--------------------------------------
|
||
.10 jsr CSH.IsLetter
|
||
bcc .20
|
||
|
||
* TODO: PREOPS ++ --.....
|
||
|
||
bcs .29
|
||
*--------------------------------------
|
||
.20 >LDYA L.CSH.TMODS
|
||
jsr CSH.LookupID
|
||
bcs .50
|
||
|
||
jsr CSH.tDecl
|
||
bcs .59
|
||
|
||
>STYA ZPVarType Type/Qual
|
||
|
||
jsr CSH.AddSymbol add with undef value...
|
||
bcs .29 OOM or DUP
|
||
|
||
lda ZPVarQual
|
||
bit #CSH.Q.FUNC
|
||
bne .21
|
||
|
||
jsr CSH.GetCharNB
|
||
bcs .99
|
||
|
||
cmp #';'
|
||
beq .69
|
||
|
||
cmp #'='
|
||
bne .99
|
||
|
||
jsr CSH.GetNextCharNB skip '='
|
||
bcs .99
|
||
|
||
>LDYA ZPVarType T/Q
|
||
jsr CSH.ExpEval
|
||
bcs .9
|
||
|
||
jsr CSH.SetVarValue Y,A Type/qual, Set value to this var
|
||
.29 bcs .9
|
||
|
||
bra .68
|
||
|
||
.21 jsr CSH.fDecl
|
||
bcs .9
|
||
|
||
bra .68
|
||
*--------------------------------------
|
||
.50 jsr CSH.SavePtr Save Ptr, in case of while,for....
|
||
|
||
>LDYA L.CSH.KW
|
||
jsr CSH.LookupID
|
||
bcs .6 not an internal CSH keyword....
|
||
|
||
jsr CSH.KW.JMP
|
||
.59 bcs .9
|
||
|
||
bra .8
|
||
*--------------------------------------
|
||
.6 jsr CSH.GetVar I = ?
|
||
bcs .7
|
||
|
||
>STYA ZPVarID
|
||
jsr CSH.GetVarDef Get Type & ptr...
|
||
bcs .9
|
||
|
||
lda ZPVarQual
|
||
bit #CSH.Q.FUNC
|
||
beq .60
|
||
|
||
ldy #0 func( ?
|
||
lda #0
|
||
jsr CSH.fExec
|
||
bcs .9
|
||
|
||
bra .8
|
||
*--------------------------------------
|
||
.60 jsr CSH.GetCharNB
|
||
bcs .9
|
||
|
||
cmp #'=' TODO: all AOPS
|
||
bne .99
|
||
|
||
jsr CSH.GetNextChar Skip =
|
||
bcs .99
|
||
|
||
>LDYA ZPVarType T/Q
|
||
jsr CSH.ExpEval
|
||
bcs .9
|
||
|
||
jsr CSH.SetVarValue
|
||
bcs .9
|
||
|
||
.68 jsr CSH.GetCharNB
|
||
cmp #';'
|
||
.69 beq .8
|
||
|
||
.99 lda #E.CSYN
|
||
sec
|
||
.9 rts
|
||
*--------------------------------------
|
||
.7 ldy #0 no return value type check required
|
||
lda #0
|
||
|
||
jsr CSH.fCall Y,A = Type/Qual
|
||
bcs .9
|
||
|
||
jsr CSH.GetVarSize Y,A = returned value type
|
||
clc A = Sizeof, CC to ignore Pointer hMem
|
||
adc pStack
|
||
sta pStack Discard value on stack
|
||
|
||
.8 jsr CSH.GetNextCharNB Skip ;
|
||
bcs .9
|
||
|
||
cmp #C.CR
|
||
beq .80
|
||
|
||
jmp CSH.Run.1
|
||
|
||
.80 jmp CSH.GetNextChar Skip CR
|
||
*--------------------------------------
|
||
CSH.COMMENTS jsr CSH.GetNextChar
|
||
cmp #'/'
|
||
bne .90
|
||
|
||
jmp CSH.SkipLine skip line.....
|
||
|
||
.90 lda #E.CSYN
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
CSH.SkipLine jsr CSH.GetNextChar
|
||
bcs .9
|
||
|
||
cmp #C.CR
|
||
bne CSH.SkipLine
|
||
|
||
jmp CSH.GetNextChar Skip CR
|
||
|
||
.9 rts
|
||
*--------------------------------------
|
||
CSH.SavePtr >LDYA ZPInputBufPtr
|
||
>STYA.G CSH.BufPtrSave
|
||
rts
|
||
*--------------------------------------
|
||
CSH.LookupFN sec
|
||
.HS 90 BCC
|
||
CSH.LookupID clc
|
||
>STYA ZPPtr1
|
||
ror
|
||
>STA.G CSH.LookupOpt
|
||
jsr CSH.GetIDLen
|
||
bra CSH.Lookup
|
||
|
||
CSH.LookupOP >STYA ZPPtr1
|
||
>STZ.G CSH.LookupOpt
|
||
jsr CSH.GetOPLen
|
||
|
||
CSH.Lookup phy Y = len
|
||
ldx #0
|
||
|
||
.1 lda (ZPPtr1)
|
||
beq .9 Ending 0, not found....
|
||
|
||
pla
|
||
pha Get Back Len
|
||
cmp (ZPPtr1) Same Len ?
|
||
bne .4
|
||
|
||
tay
|
||
.2 lda (ZPPtr1),y
|
||
|
||
.3 dey
|
||
cmp (ZPInputBufPtr),y
|
||
bne .4
|
||
|
||
tya
|
||
bne .2
|
||
|
||
pla Found keyword...
|
||
clc
|
||
adc ZPInputBufPtr ..advance Ptr to char after it..
|
||
sta ZPInputBufPtr
|
||
bcc .31
|
||
|
||
inc ZPInputBufPtr+1
|
||
|
||
.31 lda ZPPtr1
|
||
sec
|
||
adc (ZPPtr1)
|
||
tay
|
||
lda ZPPtr1+1
|
||
adc #0
|
||
clc Y,A = F() def, X = F() index
|
||
.8 rts
|
||
|
||
.4 inx
|
||
inx
|
||
lda (ZPPtr1)
|
||
jsr CSH.ZPPtr1AddAp1
|
||
>LDA.G CSH.LookupOpt
|
||
bpl .1
|
||
|
||
ldy #$0 Start at Y=2 for VOID func()
|
||
|
||
.6 iny
|
||
iny
|
||
lda (ZPPtr1),y
|
||
bne .6
|
||
|
||
tya
|
||
jsr CSH.ZPPtr1AddAp1
|
||
bra .1
|
||
|
||
.9 pla
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
CSH.MainExec lda #0
|
||
>PUSHA
|
||
|
||
ldy #S.PS.ARGC
|
||
lda (pPS),y
|
||
|
||
>PUSHA push int ARGC
|
||
|
||
>PUSHW ZPCSHConst push int ARGV
|
||
|
||
stz ArgIndex
|
||
|
||
.1 lda ArgIndex
|
||
>SYSCALL ArgV
|
||
bcs .2
|
||
|
||
inc ArgIndex
|
||
|
||
pha
|
||
tya
|
||
|
||
sta (ZPCSHConst)
|
||
pla
|
||
|
||
ldy #1
|
||
sta (ZPCSHConst),y
|
||
|
||
lda ZPCSHConst
|
||
* clc
|
||
adc #2
|
||
sta ZPCSHConst
|
||
bcc .1
|
||
|
||
inc ZPCSHConst+1
|
||
bra .1
|
||
|
||
.2
|
||
*--------------------------------------
|
||
CSH.ZPPtr1GetNextW
|
||
jsr CSH.ZPPtr1NextW
|
||
*--------------------------------------
|
||
CSH.ZPPtr1GetW lda (ZPPtr1)
|
||
beq .8
|
||
|
||
pha
|
||
|
||
ldy #1
|
||
lda (ZPPtr1),y
|
||
ply
|
||
|
||
.8 rts
|
||
*--------------------------------------
|
||
CSH.ZPPtr1NextW jsr .1
|
||
|
||
.1 inc ZPPtr1
|
||
bne .8
|
||
|
||
inc ZPPtr1+1
|
||
|
||
.8 rts
|
||
*--------------------------------------
|
||
CSH.ZPPtr1AddAp1
|
||
sec
|
||
adc ZPPtr1
|
||
sta ZPPtr1
|
||
bcc .1
|
||
inc ZPPtr1+1
|
||
.1 rts
|
||
*--------------------------------------
|
||
* Input : ZPInputBufPtr
|
||
* Output : Y,A = VarID
|
||
*--------------------------------------
|
||
CSH.AddSymbol >LDA.G CSH.hSymbols
|
||
jsr CSH.NewKey
|
||
bcs .9
|
||
|
||
>STYA ZPVarID
|
||
|
||
>LDYA ZPVarType
|
||
jsr CSH.GetVarSize CS if pointer
|
||
sta ZPVarSizeOf
|
||
|
||
* clc / sec
|
||
|
||
lda ZPCSHData
|
||
sta ZPVarDataPtr
|
||
adc ZPVarSizeOf
|
||
sta ZPCSHData
|
||
|
||
lda ZPCSHData+1
|
||
sta ZPVarDataPtr+1
|
||
adc ZPVarSizeOf+1
|
||
sta ZPCSHData+1
|
||
|
||
>LDA.G CSH.DataPtr
|
||
clc
|
||
adc ZPVarSizeOf
|
||
sta (pData),y
|
||
|
||
bcs .99
|
||
|
||
jsr CSH.GetCharNB
|
||
bcs .8
|
||
|
||
cmp #'('
|
||
beq .7
|
||
|
||
lda ZPVarQual
|
||
and #CSH.Q.FUNC
|
||
beq .8
|
||
|
||
lda #E.CSYN
|
||
sec
|
||
rts
|
||
|
||
.7 lda #CSH.Q.FUNC
|
||
tsb ZPVarQual
|
||
|
||
lda ZPCSHfDecl
|
||
sta ZPVarDefPtr
|
||
|
||
lda ZPCSHfDecl+1
|
||
sta ZPVarDefPtr+1
|
||
|
||
.8 >PUSHB.G CSH.hSymbols
|
||
>PUSHW ZPVarID
|
||
>PUSHWI ZPVarDef
|
||
>PUSHWI 8
|
||
>SYSCALL SListAddData
|
||
.9 rts
|
||
|
||
.99 lda #E.OOM
|
||
* sec
|
||
rts
|
||
*--------------------------------------
|
||
* ZPVarDataPtr = fDef
|
||
*--------------------------------------
|
||
CSH.fExec ldx ZPPtr1
|
||
phx
|
||
ldx ZPPtr1+1 local : fdef Ptr
|
||
phx
|
||
ldx ZPPtr2 local : type
|
||
phx
|
||
ldx ZPPtr2+1 local : qual
|
||
phx
|
||
ldx ZPPtr3 local : variadic size
|
||
phx
|
||
ldx ZPPtr3+1 local : f
|
||
phx
|
||
|
||
>STYA ZPPtr2 save Type/qual
|
||
|
||
>LDYA ZPVarDefPtr
|
||
>STYA ZPPtr1
|
||
|
||
stz ZPPtr3 Reset VARIADIC byte count
|
||
|
||
jsr CSH.GetNextCharNB skip '('
|
||
bcs .10
|
||
|
||
jsr CSH.ZPPtr1GetW Y,A = Return value Type/Qual
|
||
|
||
ldx ZPPtr2
|
||
beq .1 no check required
|
||
|
||
cpy ZPPtr2
|
||
bne .91
|
||
|
||
cmp ZPPtr2+1
|
||
bne .91
|
||
|
||
.1 eor #CSH.Q.FUNC
|
||
>STYA ZPPtr2 this will be the returned type/qual
|
||
|
||
jsr CSH.ZPPtr1GetNextW advance to arg list type
|
||
beq .7 end of list, go check ending ')'
|
||
*--------------------------------------
|
||
.3 cpy #CSH.T.VARIADIC if VARIADIC, don't advance to next arg and assume type = 0
|
||
bne .4
|
||
|
||
ldy #0
|
||
lda #0
|
||
|
||
.4 jsr CSH.ExpEval Y,A = 0 if VARIADIC
|
||
bcs .93
|
||
|
||
jsr CSH.GetVarSize Y,A = Var Type/Qual
|
||
|
||
tax
|
||
lda (ZPPtr1)
|
||
eor #CSH.T.VARIADIC
|
||
bne .5
|
||
|
||
txa
|
||
clc make sure pointer only 2 bytes
|
||
adc ZPPtr3
|
||
sta ZPPtr3 Add to byte count
|
||
bra .51 stay on VARIADIC tag
|
||
|
||
.5 jsr CSH.ZPPtr1NextW
|
||
|
||
.51 jsr CSH.GetCharNB
|
||
.10 bcs .90
|
||
|
||
cmp #','
|
||
bne .6
|
||
|
||
jsr CSH.GetNextCharNB Skip ','
|
||
|
||
jsr CSH.ZPPtr1GetW
|
||
bne .3 Another ARG....
|
||
|
||
.52 bra .90 extra args....error
|
||
|
||
.6 cmp #')'
|
||
bne .90
|
||
|
||
jsr CSH.ZPPtr1GetW
|
||
beq .8 no more arg after ')', exit
|
||
|
||
cpy #CSH.T.VARIADIC
|
||
bne .90 missing arg
|
||
|
||
>PUSHB ZPPtr3 push VARIADIC byte count
|
||
|
||
.7 jsr CSH.GetCharNB
|
||
bcs .90
|
||
|
||
cmp #')'
|
||
bne .90
|
||
|
||
.8 jsr CSH.GetNextCharNB Skip )
|
||
|
||
* ldx ZPPtr3+1
|
||
* jsr CSH.Exec
|
||
* bcs .93
|
||
|
||
>LDYA ZPPtr2 type/qual
|
||
bra .93
|
||
|
||
.90 lda #E.CSYN
|
||
bra .92
|
||
|
||
.91 lda #E.TMISMATCH
|
||
|
||
.92 sec
|
||
|
||
.93 plx
|
||
stx ZPPtr3+1
|
||
plx
|
||
stx ZPPtr3
|
||
|
||
plx
|
||
stx ZPPtr2+1
|
||
plx
|
||
stx ZPPtr2
|
||
|
||
plx
|
||
stx ZPPtr1+1
|
||
plx
|
||
stx ZPPtr1
|
||
|
||
.99 rts
|
||
*--------------------------------------
|
||
CSH.fDecl >ENTER 2
|
||
|
||
lda #0
|
||
sta (pStack) hLocal
|
||
|
||
lda ZPVarType
|
||
jsr CSH.fDeclAddA
|
||
lda ZPVarQual
|
||
jsr CSH.fDeclAddA
|
||
|
||
jsr CSH.GetNextCharNB Skip (
|
||
bcs .9
|
||
|
||
.1 cmp #')'
|
||
beq .6
|
||
|
||
.2 jsr CSH.fDeclGetArg
|
||
bcs .99
|
||
|
||
pha
|
||
|
||
tya
|
||
jsr CSH.fDeclAddA
|
||
|
||
pla
|
||
jsr CSH.fDeclAddA
|
||
|
||
jsr CSH.GetCharNB
|
||
bcs .9
|
||
|
||
jsr CSH.IsLetter
|
||
bcs .5
|
||
|
||
* TODO: AddLocal
|
||
|
||
.3 jsr CSH.GetNextCharNB
|
||
bcs .9
|
||
|
||
jsr CSH.IsLetterOrDigit
|
||
bcc .3
|
||
|
||
|
||
|
||
.5 cmp #')'
|
||
beq .6
|
||
|
||
cmp #','
|
||
bne .9
|
||
|
||
jsr CSH.GetNextCharNB Skip ,
|
||
bcs .9
|
||
|
||
bra .2
|
||
|
||
.6 jsr CSH.GetNextCharNB Skip )
|
||
bcs .9
|
||
|
||
cmp #';'
|
||
beq .7
|
||
|
||
|
||
* TODO: f() body
|
||
|
||
bra .9
|
||
*--------------------------------------
|
||
.7 lda #0
|
||
* sta ZPVarDataPtr
|
||
* sta ZPVarDataPtr+1
|
||
|
||
.8 lda #0
|
||
jsr CSH.fDeclAddA
|
||
|
||
clc
|
||
bra .99
|
||
|
||
.9 lda #E.CSYN
|
||
sec
|
||
|
||
.99 >LEAVE
|
||
rts
|
||
*--------------------------------------
|
||
CSH.fDeclGetArg lda (ZPInputBufPtr)
|
||
cmp #'.'
|
||
bne .5
|
||
|
||
ldx #2
|
||
|
||
.1 jsr CSH.GetNextChar
|
||
bcs .9
|
||
|
||
cmp #'.'
|
||
bne .9
|
||
|
||
dex
|
||
bne .1
|
||
|
||
jsr CSH.GetNextCharNB
|
||
bcs .9
|
||
|
||
eor #')'
|
||
bne .9
|
||
|
||
ldy #CSH.T.VARIADIC Type
|
||
* lda #0 Qual
|
||
* clc
|
||
rts
|
||
|
||
.5 >LDYA L.CSH.TMODS
|
||
jsr CSH.LookupID
|
||
bcs .9
|
||
|
||
jsr CSH.tDecl
|
||
bcs .9
|
||
|
||
* Y,A = Type/Qual
|
||
|
||
bra .8
|
||
|
||
.9 lda #E.CSYN
|
||
sec
|
||
|
||
.8 rts
|
||
*--------------------------------------
|
||
CSH.fDeclAddA sta (ZPCSHfDecl)
|
||
inc ZPCSHfDecl
|
||
bne .8
|
||
|
||
inc ZPCSHfDecl+1
|
||
|
||
.8 rts
|
||
*--------------------------------------
|
||
CSH.tDecl >ENTER 2
|
||
lda #0
|
||
sta (pStack) Type
|
||
ldy #1
|
||
sta (pStack),y Qual
|
||
|
||
jsr .7
|
||
bcs .99
|
||
|
||
ldy #1
|
||
lda (pStack),y
|
||
pha
|
||
lda (pStack)
|
||
tay Y = Type
|
||
pla A = Qual
|
||
|
||
clc
|
||
|
||
.99 >LEAVE
|
||
rts
|
||
|
||
.7 jmp (J.CSH.TMODS,x)
|
||
*--------------------------------------
|
||
CSH.NewKey >PUSHA
|
||
>PUSHW ZPInputBufPtr
|
||
>SYSCALL SListNewKey
|
||
bcs .9
|
||
|
||
pha
|
||
phy
|
||
|
||
txa
|
||
* clc
|
||
adc ZPInputBufPtr
|
||
sta ZPInputBufPtr
|
||
bcc .1
|
||
|
||
inc ZPInputBufPtr+1
|
||
|
||
.1 clc
|
||
ply
|
||
pla
|
||
.9 rts
|
||
*--------------------------------------
|
||
* Y,A = Type/Qual
|
||
*--------------------------------------
|
||
CSH.SetVarValue cpy ZPVarType
|
||
bne .99
|
||
|
||
cmp ZPVarQual
|
||
bne .99
|
||
|
||
ldy #0
|
||
|
||
.1 lda (pStack)
|
||
sta (ZPVarDataPtr),y
|
||
inc pStack
|
||
iny
|
||
cpy ZPVarSizeOf
|
||
bne .1
|
||
|
||
clc
|
||
rts
|
||
|
||
.99 lda #E.TMISMATCH
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
CSH.GetDefine >PUSHB.G CSH.hDefines
|
||
|
||
jsr CSH.Get
|
||
bcs .9
|
||
|
||
pha
|
||
phy
|
||
>PUSHB.G CSH.hDefines
|
||
ply
|
||
pla
|
||
>PUSHYA KeyID
|
||
|
||
>PUSHWZ Allocate..
|
||
>PUSHWZ len = 0 (string mode)
|
||
>PUSHWZ From Start
|
||
>SYSCALL SListGetData
|
||
bcs .9
|
||
|
||
stx hDefine
|
||
|
||
>LDYA ZPInputBufPtr
|
||
>STYA.G CSH.SaveDefine
|
||
|
||
txa
|
||
>SYSCALL GetMemPtr
|
||
>STYA ZPInputBufPtr
|
||
|
||
.9 rts
|
||
*--------------------------------------
|
||
CSH.GetVar >PUSHB.G CSH.hSymbols
|
||
|
||
CSH.Get >PUSHW ZPInputBufPtr
|
||
>SYSCALL SListLookup
|
||
bcs .9
|
||
|
||
pha
|
||
|
||
txa
|
||
* clc
|
||
adc ZPInputBufPtr
|
||
sta ZPInputBufPtr
|
||
bcc .1
|
||
|
||
inc ZPInputBufPtr+1
|
||
clc
|
||
|
||
.1 pla Y,A = VarID
|
||
|
||
.9 rts
|
||
*--------------------------------------
|
||
CSH.GetVarDef phy
|
||
pha
|
||
>PUSHB.G CSH.hSymbols
|
||
|
||
pla
|
||
>PUSHA
|
||
pla
|
||
>PUSHA KeyID
|
||
|
||
>PUSHWI ZPVarDef
|
||
>PUSHWI 8 8 bytes
|
||
>PUSHWZ From Start
|
||
>SYSCALL SListGetData
|
||
rts
|
||
*--------------------------------------
|
||
* Input : Value on Stack, Y,A = Type/Qual
|
||
* Output : CC = true, CS = false
|
||
*--------------------------------------
|
||
CSH.IsValue0 cpy #CSH.T.FLOAT
|
||
bcc .1 char,int,long
|
||
|
||
lda CSH.TYPESIZE-1,y
|
||
lda (ZPVarDataPtr),y
|
||
bne .9
|
||
|
||
.8 clc
|
||
rts
|
||
|
||
.1 jsr CSH.GetVarSize
|
||
tax
|
||
|
||
lda #0
|
||
|
||
.2 ora (pStack)
|
||
inc pStack
|
||
dex
|
||
bne .2
|
||
|
||
tax
|
||
beq .8
|
||
|
||
.9 sec
|
||
rts
|
||
*--------------------------------------
|
||
* Stack
|
||
*--------------------------------------
|
||
CSH.CheckStack tax
|
||
>LDA.G CSH.StackPtr
|
||
beq .9
|
||
|
||
tay
|
||
txa
|
||
cmp (ZPCSHStack),y
|
||
bne .9
|
||
|
||
clc
|
||
rts
|
||
|
||
.9 lda #E.CSYN
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
CSH.Push pha
|
||
>LDA.G CSH.StackPtr
|
||
dec
|
||
beq .9
|
||
sta (pData),y
|
||
tay
|
||
pla
|
||
sta (ZPCSHStack),y
|
||
clc
|
||
rts
|
||
|
||
.9 pla
|
||
lda #E.STKOVERFLOW
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
CSH.Pop >LDA.G CSH.StackPtr
|
||
beq .9
|
||
|
||
pha
|
||
inc
|
||
sta (pData),y
|
||
ply
|
||
lda (ZPCSHStack),y
|
||
clc
|
||
rts
|
||
|
||
.9 lda #E.STACKERROR
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
* CHAR related Subs.....
|
||
*--------------------------------------
|
||
CSH.GetOPLen ldy #0
|
||
.1 iny
|
||
lda (ZPInputBufPtr),y
|
||
beq .8
|
||
|
||
jsr CSH.IsOPChar
|
||
bcc .1
|
||
.8 tya
|
||
rts
|
||
*--------------------------------------
|
||
CSH.GetIDLen ldy #0
|
||
.1 iny
|
||
lda (ZPInputBufPtr),y
|
||
beq .8
|
||
|
||
jsr CSH.IsLetterOrDigit
|
||
bcc .1
|
||
.8 tya
|
||
rts
|
||
*--------------------------------------
|
||
CSH.SkipStatement
|
||
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
CSH.SkipBlock ldy #0 not in "", TOTO:skip comments
|
||
|
||
ldx #1 starting with 1 '{' for now....
|
||
|
||
.1 jsr CSH.GetNextCharNB
|
||
bcs .9
|
||
|
||
cmp #'{'
|
||
bne .2
|
||
|
||
tya
|
||
bmi .1
|
||
|
||
inx
|
||
bra .1
|
||
|
||
.2 cmp #'}'
|
||
bne .3
|
||
|
||
tya
|
||
bmi .1
|
||
|
||
dex
|
||
bne .1
|
||
|
||
clc
|
||
rts
|
||
.3 cmp #'"'
|
||
bne .1
|
||
|
||
tya
|
||
eor #$ff
|
||
tay
|
||
bra .1
|
||
|
||
.9 rts
|
||
*--------------------------------------
|
||
CSH.GetCharNB jsr CSH.GetChar
|
||
bcs CSH.GetNextCharNB.RTS
|
||
|
||
jsr CSH.CheckCharNB
|
||
bcc CSH.GetNextCharNB.RTS
|
||
*--------------------------------------
|
||
CSH.GetNextCharNB
|
||
jsr CSH.GetNextChar
|
||
bcs CSH.GetNextCharNB.RTS
|
||
|
||
jsr CSH.CheckCharNB
|
||
bcs CSH.GetNextCharNB
|
||
|
||
CSH.GetNextCharNB.RTS
|
||
rts
|
||
*--------------------------------------
|
||
CSH.CheckSpace jsr CSH.GetChar
|
||
bcs .90
|
||
|
||
cmp #C.SPACE
|
||
bne .90
|
||
|
||
jsr CSH.GetNextCharNB
|
||
bcc .99
|
||
|
||
.90 lda #E.CSYN
|
||
sec
|
||
.99 rts
|
||
*--------------------------------------
|
||
CSH.CheckCharNB cmp #C.SPACE
|
||
beq .9
|
||
|
||
cmp #C.LF
|
||
beq .9
|
||
|
||
cmp #C.TAB
|
||
beq .9
|
||
|
||
clc
|
||
.9 rts
|
||
*--------------------------------------
|
||
CSH.GetNextChar inc ZPInputBufPtr
|
||
bne CSH.GetChar
|
||
|
||
inc ZPInputBufPtr+1
|
||
*--------------------------------------
|
||
CSH.GetChar lda (ZPInputBufPtr)
|
||
bne .8
|
||
|
||
lda hDefine
|
||
beq .1
|
||
|
||
stz hDefine
|
||
|
||
phx
|
||
phy
|
||
>SYSCALL FreeMem
|
||
|
||
>LDYA.G CSH.SaveDefine
|
||
>STYA ZPInputBufPtr
|
||
|
||
ply
|
||
plx
|
||
bra CSH.GetChar
|
||
|
||
.1 lda hInclude
|
||
beq .9
|
||
|
||
stz hInclude
|
||
phx
|
||
phy
|
||
>SYSCALL FreeMem
|
||
|
||
>LDYA.G CSH.SaveInclude
|
||
>STYA ZPInputBufPtr
|
||
|
||
ply
|
||
plx
|
||
bra CSH.GetChar
|
||
|
||
.8 clc
|
||
rts
|
||
|
||
.9 lda #MLI.E.EOF
|
||
sec
|
||
rts
|
||
*---------------------------------------
|
||
CSH.IsEndArg
|
||
*---------------------------------------
|
||
CSH.IsOPChar ldx #CSH.OPChars.Cnt-1
|
||
|
||
.1 cmp CSH.OPChars,x
|
||
beq .8
|
||
|
||
dex
|
||
bpl .1
|
||
|
||
sec
|
||
rts
|
||
|
||
.8 clc
|
||
rts
|
||
*---------------------------------------
|
||
CSH.IsLetterOrDigit
|
||
jsr CSH.IsDigit10
|
||
bcc CSH.IsLetterRTS
|
||
*---------------------------------------
|
||
CSH.IsLetter cmp #'_'
|
||
bne .1
|
||
|
||
clc
|
||
rts
|
||
|
||
.1 cmp #'A'
|
||
bcc .9
|
||
|
||
cmp #'Z'+1
|
||
bcc CSH.IsLetterRTS
|
||
|
||
cmp #'a'
|
||
bcc .9
|
||
|
||
cmp #'z'+1
|
||
|
||
rts CC if lowercase
|
||
|
||
.9 sec
|
||
CSH.IsLetterRTS rts
|
||
*---------------------------------------
|
||
CSH.IsDigit10 cmp #'0'
|
||
bcc .9
|
||
|
||
cmp #'9'+1
|
||
rts cc if ok, cs if not
|
||
|
||
.9 sec
|
||
rts
|
||
*--------------------------------------
|
||
* in : Y,A = type/qual
|
||
* out : A = size
|
||
*--------------------------------------
|
||
CSH.GetVarSize and #CSH.Q.PPPOINTER
|
||
bne .2
|
||
|
||
lda CSH.TYPESIZE-1,y
|
||
|
||
clc
|
||
rts
|
||
|
||
.2 lda #2 pointer
|
||
sec +1 for hMem Storage
|
||
rts
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE usr/src/bin/csh.s.core
|
||
LOAD usr/src/bin/csh.s
|
||
ASM
|