Kernel 0.9.1 : KERNEL, Preemtive mode, Code cleaning....step by step....#2

SYS/KERNEL.S.GP.txt

@@ -239,49 +239,15 @@ GO.EXIT.JMP		jmp $FFFF				Self Modified
 GP.IrqH			cld
 
 				bit IRQ.SkipA2osX		After A2osX IRQ.H ?	
+				bmi GP.IrqH.Exit
 				
-				stz IRQ.SkipA2osX		reset flag
-				
-GP.IrqH.BPL		bpl GP.IrqH.DEV			SELF MODIFIED
-				sec
-				rts
-*--------------------------------------			
-GP.IrqH.TCLOCK	ldy IRQ.VBL.n0
-				
-				lda $c080,y
-				and #$20
-				beq GP.IrqH.DEV
-				
-				lda $c080,y
-				lda $c088,y
-				
-				inc IRQ.Tick
-				clc
-				rts
-*--------------------------------------
-GP.IrqH.VBL		jsr IRQ.VBL.MSM			SERVEMOUSE
-				bcs GP.IrqH.DEV			Not From Mouse
-				
-				ldx IRQ.VBL.0n
-				lda MOUSESTSx,x
-				and #MOUSESTSx.INTVBL	IRQ was caused by VBL ?
-				beq GP.IrqH.DEV
-				
-				ldx IRQ.VBL.MRM+2		$Cn
-				ldy IRQ.VBL.n0
-				jsr IRQ.VBL.MRM			READMOUSE
-				
-				inc IRQ.Tick
-				clc
-				rts
-*--------------------------------------			
-GP.IrqH.DEV		sta SETALTZP			switch to aux LC
+				sta SETALTZP			switch to aux LC
 				tsx
 				stx A2osX.SaveSM
 				ldx	A2osX.SaveSX
 				txs
 
-				jsr K.IrqH.DEV
+GP.IrqH.JSR		jsr K.IrqH.DEV			SELF MODIFIED
 				
 				tsx						go back to Main
 				stx A2osX.SaveSX
@@ -290,8 +256,13 @@ GP.IrqH.DEV		sta SETALTZP			switch to aux LC
 				sta CLRALTZP
 				
 				rts				
+				
+GP.IrqH.Exit	stz IRQ.SkipA2osX		reset flag
+				sec
+				rts
 *--------------------------------------
 IRQ.SkipA2osX	.BS 1
+*--------------------------------------
 IRQ.Tick		.BS 1
 IRQ.InKernel	.BS 1
 IRQ.IntNum		.BS 1
@@ -315,8 +286,8 @@ GP.CodeEnd		.BS $BEE0-*
 *--------------------------------------
 				.DA #6					60hz
 				.BS 7
-				.DA #0					ChRoot Disabled
-				.BS 7					All Slots marked as "Free"
+				.DA #0					ChRoot/Preemptive Disabled
+				.HS 00000000000000		All Slots marked as "Free"
 *--------------------------------------
 MAN
 SAVE /A2OSX.SRC/SYS/KERNEL.S.GP

SYS/KERNEL.S.INIT.txt

@@ -573,7 +573,7 @@ IrqMgrInit		>LDYAI MSG.IRQ
 				php
 				sei
 				>LDYA $FFFE
-				>STYA K.IRQ.OldFFFE
+				>STYA IRQ.OldFFFE
 				>LDYAI K.IrqHAuxLC
 				>STYA $FFFE
 
@@ -594,11 +594,9 @@ IrqMgrInit		>LDYAI MSG.IRQ
 				lda #"C"
 				sta SYS.BASL0+38
 				
-				lda #GP.IrqH.TCLOCK-GP.IrqH.BPL-2
-				sta GP.IrqH.BPL+1
-
 				>LDYAI K.IrqH.TCLOCK
 				>STYA K.IrqHAuxLC.JSR+1
+				>STYA GP.IrqH.JSR+1
 				
 				>LDYAI MSG.IRQ.CLOCK
 				>SYSCALL PrintF.YA		
@@ -612,11 +610,9 @@ IrqMgrInit		>LDYAI MSG.IRQ
 				lda #"V"
 				sta SYS.BASL0+38
 				
-				lda #GP.IrqH.VBL-GP.IrqH.BPL-2
-				sta GP.IrqH.BPL+1
-				
 				>LDYAI K.IrqH.VBL
 				>STYA K.IrqHAuxLC.JSR+1
+				>STYA GP.IrqH.JSR+1
 								
 				>LDYAI MSG.IRQ.VBL
 				>SYSCALL PrintF.YA

SYS/KERNEL.S.IRQ.txt

@@ -104,7 +104,7 @@ K.IrqHAuxLC.6	lda #$ff				Self Modified
 				bcc K.IrqHAuxLC.8
 				
 				dec IRQ.SkipA2osX		Make regular ProDOS IRQ manager skip A2osX
-				jmp (K.IRQ.OldFFFE)		Not handled, pass to ProDOS
+				jmp (IRQ.OldFFFE)		Not handled, pass to ProDOS
 K.IrqHAuxLC.8	rti				
 *--------------------------------------
 * Called by :
@@ -177,35 +177,35 @@ K.IrqH.DEV		>LDYAI Dev.Table
 
 				ldx DevMgr.Count
 				
-.4				ldy #S.DEV.S
+.1				ldy #S.DEV.S
 				lda ($fe),y
 				and #S.DEV.S.IRQ
-				beq .6
+				beq .2
 				
 				phx
-				jsr K.IrqHJMP
+				ldx #DEVMGR.IRQ
+				jsr .88
 				plx
 				bcc .8					CC, IRQ cleared by device
 				
-.6				lda $fe
+.2				lda $fe
 				clc
 				adc #S.DEV
 				sta $fe
-				bcc .7
+				bcc .3
 				inc $ff
 				
-.7				dex
-				bne .4
+.3				dex
+				bne .1
 				
 				sec
 				
 .8				clv						clear V (no task switching)
 				rts
 *--------------------------------------
-K.IRQ.OldFFFE	.BS 2
+.88				jmp ($fe)
 *--------------------------------------
-K.IrqHJMP		ldx #DEVMGR.IRQ
-				jmp ($fe)
+IRQ.OldFFFE		.BS 2
 *--------------------------------------
 MAN
 SAVE /A2OSX.SRC/SYS/KERNEL.S.IRQ