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Kernel 0.93+

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Rémy GIBERT 2019-08-28 17:21:42 +02:00
parent f3a26b40a4
commit a28d9c361f
2 changed files with 83 additions and 65 deletions
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.Floppies/A2OSX.BUILD.po
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148
BIN/CSH.S.CORE.txt
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@ -50,8 +50,22 @@ CSH.Quit.RTS rts
CSH.Run jsr CSH.GetCharNB
bcs CSH.Quit.RTS
CSH.Run.1 cmp #'}' End of block ?
CSH.Run.1 cmp #'#'
bne .3 comments ...
.1 jsr CSH.GetNextChar
bcs .2
cmp #C.CR
bne .1
.2 jmp CSH.GetNextChar Skip CR and exit
.3 cmp #C.CR
beq .2
cmp #'}' End of block ?
bne .4
jsr CSH.CheckStack must be something on stack....
bcs .9
@ -60,26 +74,21 @@ CSH.Run.1 cmp #'}' End of block ?
tax
jmp (J.CSH.KW.END,x)
.1 cmp #C.CR
bne .2
jmp CSH.GetNextChar Skip CR and exit
.2 pha
.4 pha
jsr CSH.SavePtr Save Ptr, in case of while,for....
pla
jsr CSH.IsLetter
bcc .3
bcc .5
cmp #'#'
beq .80 comments ...
bra .99 error, todo : PREOPS ++ --.....
bra .9 error, todo : PREOPS ++ --.....
.3 >LDYA L.CSH.KW
.5 >LDYA L.CSH.KW
jsr CSH.LookupID
bcs .4 not an internal CSH keyword....
bcs .6 not an internal CSH keyword....
txa
>STA.G CSH.CmdSave
@ -87,10 +96,10 @@ CSH.Run.1 cmp #'}' End of block ?
jsr CSH.KW.JMP
bcs .9
bra .7
bra .8
.4 jsr CSH.GetVar
bcs .5
.6 jsr CSH.GetVar
bcs .7
jsr CSH.GetCharNB
bcs .9
@ -110,13 +119,13 @@ CSH.Run.1 cmp #'}' End of block ?
cmp #';'
bne .99
bra .7
bra .8
.5 lda #0 no return value type check required
.7 lda #0 no return value type check required
jsr CSH.FnEval X = function index
bcs .9
.7 jsr CSH.GetNextCharNB Skip ;
.8 jsr CSH.GetNextCharNB Skip ;
bcs .9
cmp #C.CR
@ -127,15 +136,6 @@ CSH.Run.1 cmp #'}' End of block ?
.99 lda #CSH.E.SYNTAX
sec
.9 rts
.80 jsr CSH.GetNextChar
bcs .9
cmp #C.CR
bne .80
jmp CSH.GetNextChar Skip CR
*--------------------------------------
* Built in Keywords
*--------------------------------------
@ -329,10 +329,11 @@ CSH.TYPE stx ZPVarType
lda ZPVarType
jsr CSH.ExpEval
bcs .99
lda ZPVarType
jsr CSH.SetVarValue Update value to this var
bcs .99
jsr CSH.GetChar
bcs .9
@ -404,6 +405,7 @@ CSH.FnEval ldx ZPPtr1
inc ZPPtr1+1
.4 jsr CSH.ExpEval
bcs .9
lda (ZPPtr1) no more arg in fn definition
@ -413,21 +415,31 @@ CSH.FnEval ldx ZPPtr1
bcs .9
cmp #','
bne .90
bne .6
jsr CSH.GetNextCharNB Skip ,
lda (ZPPtr1)
bne .3 Another ARG....
bra .9
bra .9 extra args....error
.6 cmp #')'
bne .90
lda (ZPPtr1)
eor #CSH.T.VARIADIC
beq .8
bra .90 missing arg
.7 jsr CSH.GetCharNB
bcs .90
cmp #')'
bne .90
jsr CSH.GetNextChar Skip )
.8 jsr CSH.GetNextCharNB Skip )
plx restore X = function index
@ -446,13 +458,15 @@ CSH.FnEval ldx ZPPtr1
.91 lda #CSH.E.TMISMATCH
sec
.9 plx
.9 plx Discard function index
plx
stx ZPPtr2
plx
stx ZPPtr1+1
plx
stx ZPPtr1
plx
.99 rts
*--------------------------------------
* Input:
@ -465,12 +479,12 @@ CSH.ExpEval ldx ZPPtr1
phx
ldx ZPPtr1+1
phx
ldx ZPPtr2
ldx ZPPtr2 local : VarType
phx
ldx ZPPtr2+1 One local : BOP1
ldx ZPPtr2+1 local : BOP1
phx
sta ZPPtr2 save Type
sta ZPPtr2
.10 lda #$ff
sta ZPPtr2+1 Reset BOP1
@ -481,14 +495,16 @@ CSH.ExpEval ldx ZPPtr1
.20 jsr CSH.IsLetter Fnc or Var ?
bcs .2
lda ZPPtr2 var type
jsr CSH.GetVar
bcs .1
ldx ZPPtr2 var type
jsr CSH.GetVarValue Get value on stack
bcs .99
bra .11
.1 jsr CSH.FnEval X = function index
.1 lda ZPPtr2 var type
jsr CSH.FnEval X = function index
bcs .99
bra .11
@ -747,8 +763,8 @@ CSH.AddVar sta ZPVarType
.1 ldy #2
lda ZPVarType
>PUSHA Push Var Type On stack...
sta ZPVarData
and #CSH.Q.PPPOINTER
bne .2 Pointer, always 2 bytes
@ -761,19 +777,17 @@ CSH.AddVar sta ZPVarType
lda #0
>PUSHYA DataLen
>PUSHW pStack
>PUSHW ZPVarData
>PUSHW ZPVarID
>LDA.G CSH.hSymbols
>SYSCALL SListAddData
bcs .9
>LDYA ZPVarType
>LDYA ZPVarID
.9 rts
*--------------------------------------
CSH.GetVar sta ZPVarType
>DEBUG
>PUSHW ZPFileBufPtr
CSH.GetVar >PUSHW ZPFileBufPtr
>LDA.G CSH.hSymbols
>SYSCALL SListLookup
bcs .9
@ -787,37 +801,32 @@ CSH.GetVar sta ZPVarType
bcc .1
inc ZPFileBufPtr+1
.1 ldx ZPVarType
cpx ZPVarData
bne .99
clc
rts
.99 lda #CSH.E.TMISMATCH
sec
.1
.9
CSH.GetVar.RTS rts
*--------------------------------------
* Input : ZPFileBufPtr, A = Var Type
* Output : Value on Stack
* Input : ZPFileBufPtr, X = Var Type (or 0)
* Output : Value on Stack, X = Var Type
*--------------------------------------
CSH.GetVarValue sta ZPVarType
CSH.GetVarValue stx ZPVarType
.1 >PUSHWI 0
>PUSHWI 6
>PUSHWI ZPVarData
>PUSHWI ZPVarID
>PUSHW ZPVarID
>LDA.G CSH.hSymbols
>SYSCALL SListGetData
bcs CSH.GetVar.RTS
CSH.PushValueOnStack
ldx ZPVarType
beq .1
cpx ZPVarData
bne .99
.1 ldx ZPVarData
ldy CSH.TSIZE,x
.2 lda ZPVarData,y
@ -827,14 +836,15 @@ CSH.PushValueOnStack
clc
rts
.99 lda #CSH.E.TMISMATCH
sec
.9 rts
*--------------------------------------
CSH.SetVarValue cmp ZPVarType
bne .9
sta ZPVarData
tax
ldy CSH.TSIZE,x Byte count to transfer
@ -847,7 +857,15 @@ CSH.SetVarValue cmp ZPVarType
dey
bne .1
clc
>PUSHBI 0
ldx ZPVarType
lda CSH.TSIZE,x
inc +1 including TYPE
>PUSHA
>PUSHWI ZPVarData
>PUSHW ZPVarID
>LDA.G CSH.hSymbols
>SYSCALL SListSetData
rts
.9 lda #CSH.E.TMISMATCH