Kernel 0.93

.Docs/Shell Developers Guide.md

@@ -64,12 +64,13 @@ where [ exp ] and [ condition ] allow to detail operators....
 | CALL      | Working | CALL function <arg> ... |
 | CASE      | Working | CASE <expression> |
 | CD        | Working | CD path or relative path |
+| ..        | Working | CD .. |
 | DATE      | Working | |
 | DEFAULT   | Working | Default CASE for SWITCH |
 | ECHO      | Working | \b,\e,\f,\n,\\\ and \\% supported <br> -N : Suppress \r\n |
 | ELSE      | Working | Optional branch for IF block |
 | END       | Working | End of SWITCH Statement |
-| EXIT      | Working | exit script or shell |
+| EXIT      | Working | exit function, script or shell |
 | FI        | Working | Terminator for IF block |
 | FUNC      | In Progress | FUNC fonction_name <br>   \<body\> <br>   END |
 | IF        | Working | [ \<condition\> ] |
@@ -81,10 +82,9 @@ where [ exp ] and [ condition ] allow to detail operators....
 | PUSHD     | Working | Save actual working directory <br> PUSHD \<dir\> do also a CD to \<dir\> |
 | PWD       | Working | Print Working Directory |
 | RD        | Working | Delete an empty directory |
-| READ      | Working | -F : Undefine all functions <br> -S : no echo (password) <br> -P : "prompt message"   |
+| READ      | Working | -S : no echo (password) <br> -P : "prompt message"   |
 | REN       | Working | Rename a file, directory or volume |
-| RETURN    | In Progress | Exit function with return code |
+| SET       | Working | -X : toggle debug mode <br> -C : toggle Control-C break mode <br> -E : toggle error printing mode <br> -F : delete all declared functions |
-| SET       | Working | -X : toggle debug mode <br> -C : toggle Control-C break mode |
 | SHIFT     | Working | Remove $1 from cmd line |
 | SLEEP     | Working | Wait \<count\> 10th sec |
 | SWITCH    | Working | SWITCH <expression> |

BIN/SH.S.CMD.txt

@@ -572,17 +572,24 @@ CMD..			lda (ZPArgVBufPtr)
 				beq .9
 				
 				>LDYA ZPArgVBufPtr
-				jmp CORE.FCALL			exec cmd file and continue
+				jsr IO.Load
+				bcs CMD.CALL.RTS
+				>LDYA ZPArgVBufPtr
+				jmp CMD.CALL			exec cmd file and continue
 
 .9				jmp CMD.Exec.CSYN
 *--------------------------------------
+CMD.CALL.UNDEF	lda #E.FUNDEF
+				sec
+CMD.CALL.RTS	rts
+*--------------------------------------
 CMD.CALL		>LDA.G hFuncList
-				beq .9
+				beq CMD.CALL.UNDEF
 
 				>PUSHW ZPArgVBufPtr
 				>LDA.G hFuncList
 				>SYSCALL SListLookup
-				bcs .9
+				bcs CMD.CALL.UNDEF
 				
 				>STYA M32.TMP			KeyID
 
@@ -592,47 +599,131 @@ CMD.CALL		>LDA.G hFuncList
 				>PUSHW M32.TMP			KeyID
 				>LDA.G hFuncList
 				>SYSCALL SListGetData
-				bcs .99
+				bcs CMD.CALL.RTS
 
 				>LDYA ZPArgVBufPtr		FUNC PARAM1 PARAM2...
-				jmp CORE.CALL			X = Func Code
+
-				
+CMD.CALL.YAX	stx M32.ACC				X=Code to Execute
-.9				lda #E.FUNDEF
+
-				sec
+				jsr CORE.ArgV.Dup		Y,A = ArgV
-.99				rts
-*--------------------------------------
-CMD.RETURN		jsr CORE.RETURN
 				bcs .9
 				
-				lda (ZPArgVBufPtr)
+				stx M32.ACC+1			X=ARGV
-				beq .8					no arg, exit 0
+				
-
+				lda #7
-				>LDYA ZPArgVBufPtr
+				jsr CORE.StkCheck
-				>SYSCALL AToL
 				bcs .9
-
+				
-				>PULLL M32.ACC
+				lda ZPInputBuf
+				jsr CORE.StkPush
+				
+				lda ZPInputBuf+1
+				jsr CORE.StkPush
+				
+				lda ZPInputBufPtr
+				jsr CORE.StkPush
+				
+				lda ZPInputBufPtr+1
+				jsr CORE.StkPush
+				
+				ldy #S.PS.hARGV
+				lda (pPS),y
+				jsr CORE.StkPush
+				
+				lda M32.ACC+1			new ARGV
+				ldy #S.PS.hARGV
+				sta (pPS),y
+				
 				lda M32.ACC
+				jsr CORE.StkPush
 				
-.8				clc
+				lda M32.ACC
+				>SYSCALL GetMemPtr
+				>STYA ZPInputBuf
+				>STYA ZPInputBufPtr
+
+				lda #$C0
+				jsr CORE.StkPush
+				
+				>INC.G bBatchMode
+				clc				
 .9				rts
 *--------------------------------------
 CMD.EXIT		lda (ZPArgVBufPtr)
-				beq .8					no arg, exit 0
+				beq CMD.EXIT.A			no arg, exit 0
 
 				>LDYA ZPArgVBufPtr
+				jsr EXP.GET
+				bcs CMD.EXIT.RTS
 				>SYSCALL AToL
-				bcs .9
+				bcs CMD.EXIT.RTS
 
-				>PULLL M32.ACC
+				>PULLA
-				lda M32.ACC
+				inc pStack
+				inc pStack
+				inc pStack
 				
-.8				pha
+CMD.EXIT.A		sta M32.ACC
+				>DEBUG
+.1				jsr CORE.StkPull
+				bcs	CMD.EXIT.RTS
+				
+				cmp #$C0				in CALL / . context ?
+				beq .8
+				
+				and #$3F
+				ldx #1
+				cmp #C.IF
+				beq .3
+				
+.2				ldx #3
+				cmp #C.WHILE
+				bne CMD.EXIT.99
+				
+.3				lda (pData)
+				
+.4				dec
+				dex
+				bne .4
+
+				sta (pData)
+				bra .1
+				
+.8				jsr CORE.StkPull
+				>SYSCALL freemem		Code buffer
+				
+				ldy #S.PS.hARGV
+				lda (pPS),y
+				>SYSCALL freemem		ArgV buffer
+				
+				jsr CORE.StkPull
+				ldy #S.PS.hARGV
+				sta (pPS),y
+				
+				jsr CORE.StkPull
+				sta ZPInputBufPtr+1
+
+				jsr CORE.StkPull
+				sta ZPInputBufPtr
+				
+				jsr CORE.StkPull
+				sta ZPInputBuf+1
+				
+				jsr CORE.StkPull
+				sta ZPInputBuf
+				
+				>DEC.G bBatchMode
+				
+				pha
 				lda #$FF
 				>STA.G bExit
 				pla
 				clc
-.9				rts
+CMD.EXIT.RTS	rts
+
+CMD.EXIT.99		lda #E.STACKERROR
+				sec
+				rts
 *--------------------------------------
 CMD.BREAK		jsr CORE.StkGetCtx		Get context in CORE.Test
 				bcs .9
@@ -659,6 +750,10 @@ CMD.BREAK		jsr CORE.StkGetCtx		Get context in CORE.Test
 *--------------------------------------
 CMD.SWITCH		jsr CORE.StkGetCtx
 
+				lda #2
+				jsr CORE.StkCheck
+				bcs .9
+				
 				jsr EXP.GET
 				bcs .9
 				>SYSCALL strdup
@@ -799,6 +894,14 @@ CMD.FOR			jsr CORE.StkGetCtx
 				jsr CORE.ArgV.Next
 				beq CMD.END.CSYN
 
+				lda #8
+				jsr CORE.StkCheck
+				bcs .9
+				
+				sec
+				jsr CORE.StkPushPtr		Push CmdPtr AFTER FOR
+
+				lda (ZPArgVBufPtr)
 				cmp #'('
 				beq FOR.FILE
 				
@@ -806,15 +909,9 @@ CMD.FOR			jsr CORE.StkGetCtx
 				bne FOR.LIST
 
 				jmp FOR.EXEC
+.9				rts				
 *--------------------------------------
-FOR.LIST		lda #8
+FOR.LIST		>LDYA ZPArgVBufPtr
-				jsr CORE.StkCheck
-				bcs .9
-				
-				sec
-				jsr CORE.StkPushPtr		Push CmdPtr AFTER FOR
-				
-				>LDYA ZPArgVBufPtr
 				>SYSCALL strdup
 				bcs .9
 				
@@ -851,14 +948,7 @@ FOR.LIST		lda #8
 				
 .9				rts
 *--------------------------------------
-FOR.FILE		lda #8
+FOR.FILE		jsr CORE.ArgV.NextChar	skip "("
-				jsr CORE.StkCheck
-				bcs FOR.FILE.9
-				
-				sec
-				jsr CORE.StkPushPtr		Push CmdPtr AFTER FOR
-
-				jsr CORE.ArgV.NextChar	skip "("
 
 				>PUSHWI 0				Aux type
 				>PUSHBI S.FI.T.TXT
@@ -897,14 +987,7 @@ FOR.FILE		lda #8
 				
 FOR.FILE.9		rts	
 *--------------------------------------
-FOR.EXEC		lda #8
+FOR.EXEC		jsr CORE.ArgV.NextChar	skip "`"
-				jsr CORE.StkCheck
-				bcs FOR.FILE.9
-				
-				sec
-				jsr CORE.StkPushPtr		Push CmdPtr AFTER FOR
-
-				jsr CORE.ArgV.NextChar	skip "`"
 
 				jsr IO.Pipe.Out
 				bcs .9
@@ -1222,6 +1305,7 @@ CMD.IF			jsr CORE.StkGetCtx
 *--------------------------------------
 CMD.LOOP		jsr CORE.StkPull
 				bcs .9
+				
 				tax
 				and #$3F
 				cmp #C.WHILE
@@ -1231,8 +1315,8 @@ CMD.LOOP		jsr CORE.StkPull
 				bmi .8
 								
 				lda (pData)
-				sec
+				dec
-				sbc #2					Discard loop Ptr
+				dec						Discard loop Ptr
 				sta (pData)
 
 				clc				

BIN/SH.S.CORE.txt

@@ -71,7 +71,8 @@ CORE.Run		>LDYA ZPInputBufPtr		Save Actual cmd for looping
 				jsr CORE.GetCharNB
 				bcc .11
 				
-				jsr CORE.RETURN
+				lda #0					EOF
+				jsr CMD.EXIT.A
 				bcs .9
 
 				jsr IO.Reset
@@ -321,100 +322,6 @@ CORE.SkipLine	jsr CORE.GetNextCharNB
 				jsr CORE.GetNextChar	skip CR...
 
 .8				rts
-*--------------------------------------			
-CORE.FCALL		>STYA ZPPtr1			ArgV
-				>PUSHWI 0				Aux type
-				>PUSHBI S.FI.T.TXT
-				>PUSHBI	O.RDONLY
-				
-				>LDYA ZPPtr1
-				>SYSCALL LoadTxtFile
-				bcs CORE.CALL.9
-				
-				>LDYA ZPPtr1
-				
-CORE.CALL		stx M32.ACC				X=Code to Execute
-
-				jsr CORE.ArgV.Dup		Y,A = ArgV
-				bcs CORE.CALL.9
-				
-				stx M32.ACC+1			X=ARGV
-				
-				lda #7
-				jsr CORE.StkCheck
-				bcs CORE.CALL.9
-				
-				lda ZPInputBuf
-				jsr CORE.StkPush
-				
-				lda ZPInputBuf+1
-				jsr CORE.StkPush
-				
-				lda ZPInputBufPtr
-				jsr CORE.StkPush
-				
-				lda ZPInputBufPtr+1
-				jsr CORE.StkPush
-				
-				ldy #S.PS.hARGV
-				lda (pPS),y
-				jsr CORE.StkPush
-				
-				lda M32.ACC+1			new ARGV
-				ldy #S.PS.hARGV
-				sta (pPS),y
-				
-				lda M32.ACC
-				jsr CORE.StkPush
-				
-				lda M32.ACC
-				>SYSCALL GetMemPtr
-				>STYA ZPInputBuf
-				>STYA ZPInputBufPtr
-
-				lda #$C0
-				jsr CORE.StkPush
-				
-				>INC.G bBatchMode
-*				clc				
-CORE.CALL.9		rts
-*--------------------------------------			
-CORE.RETURN		jsr CORE.StkPull
-				bcs	.90
-				
-				cmp #$C0
-				bne .90
-				
-				jsr CORE.StkPull
-				>SYSCALL freemem		Code buffer
-				
-				ldy #S.PS.hARGV
-				lda (pPS),y
-				>SYSCALL freemem		ArgV buffer
-				
-				jsr CORE.StkPull
-				ldy #S.PS.hARGV
-				sta (pPS),y
-				
-				jsr CORE.StkPull
-				sta ZPInputBufPtr+1
-
-				jsr CORE.StkPull
-				sta ZPInputBufPtr
-				
-				jsr CORE.StkPull
-				sta ZPInputBuf+1
-				
-				jsr CORE.StkPull
-				sta ZPInputBuf
-				
-				>DEC.G bBatchMode
-*				clc
-				rts
-				
-.90				lda #E.STACKERROR
-				sec
-				rts
 *--------------------------------------
 * search ZPInputBufPtr/ZPArgVBufPtr in Y,A table
 *--------------------------------------
@@ -779,15 +686,6 @@ CORE.StkPushPtr	bcs .1
 				txa
 				bra CORE.StkPush
 *--------------------------------------
-CORE.StkPullPtr	jsr CORE.StkPull
-				bcs CORE.StkPullPtr.9
-				sta ZPInputBufPtr+1
-				jsr CORE.StkPull
-				bcs CORE.StkPullPtr.9
-				sta ZPInputBufPtr
-CORE.StkPullPtr.9		
-				rts				
-*--------------------------------------
 CORE.StkPushYA	phy
 				jsr CORE.StkPush
 				pla
@@ -846,6 +744,15 @@ CORE.StkGetCtx	jsr CORE.StkGet
 				txa
 				rts
 *--------------------------------------
+CORE.StkPullPtr	jsr CORE.StkPull
+				bcs CORE.StkPullPtr.9
+				sta ZPInputBufPtr+1
+				jsr CORE.StkPull
+				bcs CORE.StkPullPtr.9
+				sta ZPInputBufPtr
+CORE.StkPullPtr.9		
+				rts				
+*--------------------------------------
 CORE.StkPull	jsr CORE.StkGet
 				bcs .9
 				

BIN/SH.S.IO.txt

@@ -7,7 +7,16 @@ IO.Reset		jsr IO.Reset.In
 				jsr IO.Reset.Out
 				jsr IO.Reset.Err
 IO.Reset.9		rts
-*--------------------------------------			
+*--------------------------------------
+IO.Load			pha
+				>PUSHWI 0				Aux type
+				>PUSHBI S.FI.T.TXT
+				>PUSHBI	O.RDONLY
+				
+				pla
+				>SYSCALL LoadTxtFile
+				rts
+*--------------------------------------
 IO.Pipe.In		>LDA.G IO.hOut
 				ldy #S.PS.hStdOut
 				sta (pPS),y
@@ -21,7 +30,7 @@ IO.Pipe.In		>LDA.G IO.hOut
 
 				>SYSCALL fopen
 				bcs IO.Set.RTS
-*--------------------------------------			
+*--------------------------------------
 IO.Set.In		pha
 				jsr IO.Reset.In
 				ldy #S.PS.hStdIn
@@ -31,7 +40,7 @@ IO.Set.In		pha
 				ldy #S.PS.hStdIn
 				sta (pPS),y
 IO.Set.RTS		rts
-*--------------------------------------			
+*--------------------------------------
 IO.Reset.In		>LDA.G IO.hIn
 				beq .8
 				
@@ -49,7 +58,7 @@ IO.Reset.In		>LDA.G IO.hIn
 				>STZ.G IO.hIn
 .8				clc
 IO.Reset.In.RTS	rts
-*--------------------------------------			
+*--------------------------------------
 IO.Pipe.Out		>SYSCALL pipe
 				bcs IO.Reset.In.RTS
 				>STA.G IO.hPipe

BIN/SH.S.txt

@@ -31,24 +31,23 @@ C.TIME			.EQ 17
 C.PUSHD			.EQ 18
 C.POPD			.EQ 19
 C.FUNC			.EQ 20
-C.RETURN		.EQ 21
+C.CALL			.EQ 21
-C.CALL			.EQ 22
+C.BREAK			.EQ 22
-C.BREAK			.EQ 23
+C.SWITCH		.EQ 23
-C.SWITCH		.EQ 24
+C.CASE			.EQ 24
-C.CASE			.EQ 25
+C.DEFAULT		.EQ 25
-C.DEFAULT		.EQ 26
+C.END			.EQ 26
-C.END			.EQ 27
 *--------------------------------------
-C.FOR			.EQ 28
+C.FOR			.EQ 27
 C.FOR.LIST			.EQ 0
 C.FOR.FILE			.EQ 2
 C.FOR.EXEC			.EQ 4
-C.WHILE			.EQ 29
+C.WHILE			.EQ 28
-C.IF			.EQ 30
+C.IF			.EQ 29
-C.NEXT			.EQ 31
+C.NEXT			.EQ 30
-C.LOOP			.EQ 32
+C.LOOP			.EQ 31
-C.ELSE			.EQ 33
+C.ELSE			.EQ 32
-C.FI			.EQ 34
+C.FI			.EQ 33
 *--------------------------------------
 E.CSYN			.EQ $C0
 E.ESYN			.EQ $C1
@@ -150,7 +149,6 @@ J.CMD			.DA CMD...
 				.DA CMD.PUSHD
 				.DA CMD.POPD
 				.DA CMD.FUNC
-				.DA CMD.RETURN
 				.DA CMD.CALL
 				.DA CMD.BREAK
 				.DA CMD.SWITCH
@@ -218,9 +216,14 @@ CS.RUN			jsr CL.Init
 				lda (pPS),y
 				>SYSCALL GetMemPtr
 
-				jsr CORE.FCALL			Exec file an exit
+				jsr IO.Load
 				bcs CS.INIT.RTS
-				
+				phx
+				ldy #S.PS.hARGV
+				lda (pPS),y
+				>SYSCALL GetMemPtr
+				plx
+				jsr CMD.CALL.YAX
 				bra CS.RUN.LOOP
 *--------------------------------------				
 .1				jsr CMD.CD.HOME
@@ -239,7 +242,10 @@ CS.RUN			jsr CL.Init
 				bcs CS.RUN.LOOP			no profile...
 
 				>LDYA L.HOME.PROFILE
-				jsr CORE.FCALL			exec profile and continue
+				jsr IO.Load
+				bcs CS.RUN.LOOP
+				>LDYA L.HOME.PROFILE
+				jsr CMD.CALL.YAX		exec profile and continue
 				
 *				bcs CS.RUN.LOOP
 *--------------------------------------
@@ -347,7 +353,7 @@ CS.RUN.INTERACTIVE
 				>SYSCALL GetMemPtr		Y,A =ARGV
 				
 				plx
-				jsr CORE.CALL			X = Copy of CL
+				jsr CMD.CALL.YAX		X = Copy of CL
 
 .6				jsr CORE.Run
 				
@@ -442,7 +448,7 @@ CS.RUN.BATCH	>LDA.G bSET.C
 				bne CS.RUN.LOOP.END
 				
 				pha
-				jsr CORE.RETURN
+				jsr CMD.EXIT.A
 
 				lda (pData)
 				bne .6
@@ -614,7 +620,6 @@ CMD				.AZ ".."
 				.AZ "PUSHD"
 				.AZ "POPD"
 				.AZ "FUNC"
-				.AZ "RETURN"
 				.AZ "CALL"
 				.AZ "BREAK"
 				.AZ "SWITCH"