Kernel 0.9.1 : Code reorganization & move to CSTR : ENV & SHELL

.Docs/KERNEL.md

@@ -92,7 +92,7 @@ Returns argument count in the process command line.
 # PutEnv.YA
 
 ## In:
-+ Y,A = PTR to String NAME=VALUE (PSTR)
++ Y,A = PTR to String NAME=VALUE (C-String)
 
 ## Out:
 
@@ -193,19 +193,6 @@ And return, if found, the full path to it.
 + PUSHW = GID
 + PUSHW = PATH
 
-# NewPStrYA
-Create a new copy of PSTR
-
-## In:
-+ Y,A = PTR to buffer
-
-## Out:
-+ CC : success 
- + Y,A = PTR to String
- + X = hMem (PSTR)
-+ CS : error
- + A = SYS error code
-
 # GetMem
 
 ## In: 
@@ -272,22 +259,27 @@ Create a new copy of PSTR
 + Y,A = ZPMemMgrSPtr = PTR to S.MEM
 + X unmodified
 
+# NewStr.YA
+Create a new copy of this C-String
+
+## In:
++ Y,A = Ptr to source C-String
+
+## Out:
++ CC : success 
+ + Y,A = PTR to String
+ + X = hMem (PSTR)
++ CS : error
+ + A = SYS error code
+
 # GetMemStat.YA
 
 ## In:
-+ Y,A = 24 bytes buffer
++ Y,A = Ptr to 24 bytes buffer
 
 ## Out:
 + Buffer filled with memory stats
 
-# GetPSByID.A
-
-## In : 
-+ A = PID
-
-## Out : 
-+ Y,A = PTR to TSKSLOT
-
 # Sleep
 Make current process suspend until next RUN
 

SBIN/SHELL.S.CMD.txt

@@ -73,13 +73,13 @@ Cmd.Exec		stz	bStartProc
 				
 				>LDYA ZPCMDBuf
 				
-Cmd.ExecYA		>SYSCALL ExpandStr.YA
+				>SYSCALL ExpandStr.YA
 				>STYA ZPPtr1			Ptr to CMD
 				
 				txa
 				>STA.G CMD.hCmdLine
 
-				>LDYA ZPPtr1
+Cmd.ExecYA		>LDYA ZPPtr1
 				>SYSCALL PrintF.YA
 				jsr Cmd.Exec.ECHO.CR
 				>DEBUG
@@ -135,7 +135,6 @@ Cmd.ExecYA		>SYSCALL ExpandStr.YA
 				cmp (ZPPtr2),y
 				bne .4
 				dey
-				dey
 				bne .5
 				
 				ply						get back Cmd Len
@@ -400,45 +399,57 @@ Cmd.Exec.STARTPROC
 				ror	bStartProc
 
 				>LDYA ZPPTR2
+				>STYA ZPPTR1
+				
 				jmp Cmd.ExecYA
 *--------------------------------------
 Cmd.Exec.SET	lda (ZPPTR2)
 				bne Cmd.Exec.SETVAR
 				
+* No arg, print all ENV
+		
 				ldy #S.PS.hENV
 				lda (pPs),y
 				>SYSCALL GetMemPtr.A
 				>STYA ZPPTR1
 
-* No arg, print all ENV
-		
 .1				lda (ZPPTR1)
 				beq .8					Ending 0 ?
 
-				lda ZPPTR1				get next for value
+				ldy #$ff
-				sec
-				adc (ZPPTR1)			Add len+1 to PTR
-				sta ZPPTR2
-				lda ZPPTR1+1
-				adc #0
-				sta ZPPTR2+1
 				
-				lda (ZPPTR2)			just in case...
+.2				iny
-				beq .8	
+				lda (ZPPTR1),y
+				bne .2
+				
+				tya
+				sec
+				adc ZPPTR1
+				sta ZPPTR2
+				lda #0
+				adc ZPPTR1+1
+				sta ZPPTR2+1
 				
 				>PUSHW ZPPTR2			Push value
 				>PUSHW ZPPTR1			Push name
 
 				>LDYA L.MSG.PRINTENV
 				>SYSCALL PrintF.YA
+				>DEBUG
 				bcs .9
 
-				lda ZPPTR2
+				ldy #$ff
+				
+.3				iny
+				lda (ZPPTR2),y
+				bne .3
+				
+				tya
 				sec
-				adc (ZPPTR2)			Add len+1 to PTR
+				adc ZPPTR2
 				sta ZPPTR1
-				lda ZPPTR2+1
+				lda #0
-				adc #0
+				adc ZPPTR2+1
 				sta ZPPTR1+1
 				bra .1
 				

SBIN/SHELL.S.txt

@@ -553,7 +553,7 @@ MSG.ECHO		>CSTR ">%S\r\n"
 MSG.PSTRCR		>CSTR "%S\r\n"
 MSG.PSTR		>CSTR "%S"
 MSG.ERROR		>CSTR "Err:%S [%h]\r\n"
-MSG.PRINTENV	>CSTR "%S=%S\r\n"
+MSG.PRINTENV	>CSTR "%s=%s\r\n"
 MSG.CSHERR		>PSTR "Pos %D:"
 FMT.DATE		>CSTR "%A, %B %d %Y"
 FMT.TIME		>CSTR "%H:%M:%S (%I:%M:%S%p)"

SYS/KERNEL.S.ENV.txt

@@ -24,7 +24,7 @@ K.ExpandStr.YA	stz K.ExpandStr.hPStr	Reset Intermediate string...
 .10				stz K.ExpandStr.VarLen
 				stz K.ExpandStr.bInVar
 
-.11				lda (ZPPtr2),y		End of CSTR?
+.11				lda (ZPPtr2),y			End of CSTR?
 				beq .8
 
 				iny
@@ -34,7 +34,7 @@ K.ExpandStr.YA	stz K.ExpandStr.hPStr	Reset Intermediate string...
 
 				lda K.ExpandStr.bNoExp
 				eor #$ff
-				sta K.ExpandStr.bNoExp toggle flag
+				sta K.ExpandStr.bNoExp	toggle flag
 				bra	 .11
 
 .21				bit K.ExpandStr.bNoExp
@@ -46,11 +46,11 @@ K.ExpandStr.YA	stz K.ExpandStr.hPStr	Reset Intermediate string...
 				stx K.ExpandStr.Len
 				bra .11
 
-.23				ldx K.ExpandStr.bInVar already in a var?
+.23				ldx K.ExpandStr.bInVar 	already in a var?
-				bne .3					yes....
+				bne .3					yes...
 
 				cmp #'$'				no, found one ?
-				bne .22					no, store....
+				bne .22					no, store...
 
 				sta K.ExpandStr.bFound	Toggle flag
 				sta K.ExpandStr.bInVar
@@ -186,7 +186,7 @@ K.PutEnv.YA		>STYA ZPPtr1		NAME=VALUE
 				sta K.Buf256,y
 
 				tya
-				clc
+				sec
 				adc ZPPtr1
 				sta ZPPtr2
 				lda ZPPtr1+1
@@ -207,76 +207,102 @@ K.PutEnv.YA		>STYA ZPPtr1		NAME=VALUE
 * ## Out:
 *\--------------------------------------
 K.SetEnv		jsr PullPtr1Ptr2		Ptr1=NAME,Ptr2=VALUE
-				
 K.SetEnvPtr1Ptr2
 				jsr S.UnsetEnvPtr1
 
 				jsr ENV.InitEnvPtr3		ZPPtr3 -> Env
 
-				lda ZPPtr3			Compute ENV UPPER LIMIT in Ptr4
+				ldy #0
-				clc
+				ldx #0
-				adc #K.ENV.SIZE
-				sta ZPPtr4
 				
-				lda ZPPtr3+1
+.10				lda (ZPPtr3)			End of ENV
-				adc /K.ENV.SIZE
+				beq .15
-				sta ZPPtr4+1
 				
-				ldy ZPPtr3+1
+.11				iny						Compute ENV size in X,Y
-				lda ZPPtr3			Compute New Env Upper limit in A,Y
+				bne .12
+				inx
+				
+.12				inc ZPPtr3
+				bne .13
+				inc ZPPtr3+1
+				
+.13				lda (ZPPtr3)			End of string
+				bne .11
+
+				iny
+				bne .14
+				inx
+				
+.14				inc ZPPtr3
+				bne .10
+				inc ZPPtr3+1
+				bra .10
+
+.15				sty ZPPtr4
+				stx ZPPtr4+1
+
+				ldy #0
+				
+.16				lda (ZPPtr1),y
+				beq .17
+				iny
+				bne .16
+				
+.17				tya
 				sec
-				adc (ZPPtr1)		add NAME len +1
+				adc ZPPtr4
-				bcc .1
+				sta ZPPtr4
-				iny
+				bcc .18
+				inc ZPPtr4+1
 				
-.1				sec						
+.18				ldy #0
-				adc (ZPPtr2)		add VALUE len +1
-				bcc .2
-				iny
 
-.2				cmp ZPPtr4			GE than hMem Upper limit ?
+.19				lda (ZPPtr2),y
-				tya
+				beq .20
-				sbc ZPPtr4+1
+				iny
+				bne .19
+				
+.20				tya
+				sec
+				adc ZPPtr4
+				tax
+				bcc .21
+				inc ZPPtr4+1
+	
+.21				cpx #K.ENV.SIZE
+				lda ZPPtr4+1
+				sbc /K.ENV.SIZE
 				bcs .99
 				
-.3				lda (ZPPtr3)		Scan until ending 0...
+				ldy #$ff
-				beq .4
 				
-				inc	ZPPtr3
+.22				iny
-				bne .3
+				lda (ZPPtr1),y
+				sta (ZPPtr3),y
+				bne .22
+				
+				tya
+				sec
+				adc ZPPtr3
+				sta ZPPtr3
+				bcc .23
 				inc ZPPtr3+1
-				bne .3
 				
-.4				lda (ZPPtr1)
+.23				ldy #$ff
-				sta (ZPPtr3)
-				tay
 
-.5				lda (ZPPtr1),y
+.24				iny
+				lda (ZPPtr2),y
 				sta (ZPPtr3),y
-				dey
+				bne .24
-				bne .5
 
-				jsr ENV.NextEnvPtr3
+				iny
-				
+.25				lda #0
-				lda (ZPPtr2)
+				sta (ZPPtr3),y			don't forget array ending 0
-				sta (ZPPtr3)
-				tay
-				
-.6				lda (ZPPtr2),y
-				sta (ZPPtr3),y
-				dey
-				bne .6
-				
-				jsr ENV.NextEnvPtr3
-				
-.8				lda #0
-				
-				sta (ZPPtr3)
 				clc
 				rts
 				
 .99				lda #SYSMGR.ERRENVF
-				sec
+*				sec
 				rts
 */--------------------------------------
 * # GetEnv.YA
@@ -487,17 +513,24 @@ ENV.DiscardVarPtr3
 				ldy #0
 
 .1				lda (ZPPtr3),y			Move back CSTRs...
+
 .2				sta (ZPPtr4),y
-				beq .2					0 ended....
+				beq .3					0 ended....
 				iny
 				bne .1
-				inc ZPPtr3
+				inc ZPPtr3+1
-				inc ZPPtr4
+				inc ZPPtr4+1
 				bra .1
 
 .3				iny
-				lda (ZPPtr3),y
+				bne .4
-				bne .3					Until array ending 0
+
+				inc ZPPtr3+1
+				inc ZPPtr4+1
+
+.4				lda (ZPPtr3),y
+				bne .2					Until array ending 0
+				sta (ZPPtr4),y
 
 .8				rts
 *--------------------------------------
@@ -529,14 +562,15 @@ ENV.AppendPtr3ToBuf
 				lda	K.Buf256,x
 				bne .1
 
-				ldy #0
+				ldy #$ff
+				dex
 
-.2				lda (ZPPtr3),y
+.2				iny
+				inx
+				lda (ZPPtr3),y
 				sta K.Buf256,x
 				bne .2
 
-				inx
-				stz K.Buf256,x	
 				rts
 *--------------------------------------
 MAN

SYS/KERNEL.S.INIT.txt

@@ -779,16 +779,27 @@ TskMgrInit		>LDYAI MSG.TSK
 				>MLICALL MLIGETPREFIX
 				bcs .9
 				
-				>LDYAI K.Buf256	
+				ldy K.Buf256
-				jsr K.NewCStr.YA
+				iny
-				bcs .9
+				lda #0
-				
+				jsr K.GetMem.YA
+				>STYA ZPPtr1
 				txa
 				ldy #S.PS.hPREFIX
 				sta (pPs),y
 				
-				>PUSHWI K.Buf256		push ENV value
+				ldy K.Buf256
-				>PUSHWI I.ENV.A2osX		push ENV name
+				lda #0
+				sta (ZPPtr1),y
+				
+.4				lda K.Buf256,y
+				dey
+				sta (ZPPtr1),y
+				bne .4
+				
+				>PUSHW ZPPtr1			push ENV value = PREFIX
+
+				>PUSHWI I.ENV.A2osX		push ENV name = A2OSX
 				>SYSCALL SetEnv
 				bcs .9
 

SYS/KERNEL.S.JMP.txt

@@ -414,73 +414,7 @@ PullPtr1Ptr2	clc
 				bcc .9
 				>PULLW ZPPtr3
 .9				rts
-*/--------------------------------------
-* # NewPStrYA
-* Create a new copy of PSTR
-* ## In:
-*  Y,A = PTR to buffer
-* ## Out:
-*  CC : success 
-*   Y,A = PTR to String
-*   X = hMem (PSTR)
-*  CS : error
-*   A = SYS error code
-*\--------------------------------------
-K.NewPStr.YA	>STYA ZPPtr2
-				lda (ZPPtr2)
-				inc
-				tay
-				lda #0					Y,A = len of new string
-				jsr K.GetMem.YA
-				bcs .9
-
-				>STYA ZPPtr1
-
-				lda (ZPPtr2)
-				sta (ZPPtr1)
-				tay
-				beq .2
-				
-.1				lda (ZPPtr2),y
-				sta (ZPPtr1),y
-				dey
-				bne .1
-				
-.2				>LDYA ZPPtr1
-
-				clc
-.9				rts
 *--------------------------------------
-K.NewCStr.YA	>STYA ZPPtr1
-				lda (ZPPtr1)
-				inc
-				tay
-				lda #0					Y,A = len of new string
-				jsr K.GetMem.YA
-				bcs .9
-
-				>STYA ZPPtr2
-
-				lda (ZPPtr1)
-				tay
-				phy
-				beq .2
-				
-.1				lda (ZPPtr1),y
-				dey
-				sta (ZPPtr2),y
-				bne .1
-				
-.2				ply
-				lda #0
-				sta (ZPPtr2),y
-				
-				>LDYA ZPPtr1
-
-				clc
-.9				rts
-*--------------------------------------
-
 MAN
 SAVE /A2OSX.SRC/SYS/KERNEL.S.JMP
 LOAD /A2OSX.SRC/SYS/KERNEL.S

SYS/KERNEL.S.MEM.txt

@@ -366,7 +366,7 @@ K.FreeMem.A	    phy
 				>PUSHYA
 				
 				>LDYAI K.FreeMem.A.ERR
-				jsr K.PrintF.YA
+				>SYSCALL PrintF.YA
 				
 .91				ldx #$ff				
 				bit $C000,x