A2osX/SYS/KERNEL.S.IRQ.txt

NEW
PREFIX /A2OSX.BUILD
AUTO 4,1
*--------------------------------------
* called directly by IRQ Vector $FFFE in AuxLC
* Must keep:
*  A,X,Y
*   SETREADAUX
*  if we are here, Aux ZP/Stack already On
* Exit with RTI
* if A2osX Drivers cannot clear IRQ, 
* must call regular System Handler
*--------------------------------------
MSLOT			.EQ $7f8
*--------------------------------------
K.IrqHAuxLC		sta .6+1
				pla
				pha
				and #$10				BRK?
				bne .7
				
				stx	.5+1
				sty .4+1
				
				lda $fe					Save 2 bytes in ZP
				pha
				lda $ff
				pha
				
				lda MSLOT				Save MSLOT
				pha
				
				lda RDREADAUX
				pha
				sta CLRREADAUX			Make sure we can access Dev.Table
				
				jsr K.IrqH
					
				pla						Must keep Carry
				bpl .1
				sta SETREADAUX
				
.1				pla						Get back MSLOT
				sta MSLOT
				sta .2+2

				and #$C0
				eor #$C0				....mmm...not looking link Cn....
				bne .3
				sta	$CFFF				Release $C800			
				
.2				lda $ff00				SELF MODIFIED				
				
.3				pla
				sta $ff
				pla
				sta $fe
				
.4				ldy #$ff				Self Modified
.5				ldx #$ff				Self Modified
.6				lda #$ff				Self Modified
				bcs .8
				rti
				
.7				pla						pull P
				bra *
				
.8				jmp (IRQ.OldFFFE)
*--------------------------------------
* Called by :
*  - Kernel K.IrqHAuxLC
*  - ProDOS IRQ Manager (GP)
*--------------------------------------
K.IrqH			jmp K.IrqH.DEV			Modified by INIT
*--------------------------------------
K.IrqH.TCLOCK	ldy IRQ.VBL.n0
				
				lda $c080,y
				and #$20
				beq K.IrqH.DEV
				
				lda $c080,y
				lda $c088,y
				
				inc CORE.IRQTick
				
				clc
				rts
*--------------------------------------
K.IrqH.VBL		jsr IRQ.VBL.MSM			SERVEMOUSE
				bcs K.IrqH.DEV			Not From Mouse
				
				ldx IRQ.VBL.0n
				lda $778,x
				and #$08				IRQ was caused by VBL ?
				beq K.IrqH.DEV
				
				ldx IRQ.VBL.MRM+2		$Cn
				ldy IRQ.VBL.n0
				jsr IRQ.VBL.MRM			READMOUSE

				inc CORE.IRQTick
				
				clc
				rts
*--------------------------------------			
K.IrqH.DEV		>LDYAI Dev.Table
				>STYA $fe

				ldx DevMgr.Count
				
.4				ldy #S.DEV.S
				lda ($fe),y
				and #S.DEV.S.IRQ
				beq .6
				
				phx
				jsr K.IrqHJMP
				plx
				bcc .8					CC, IRQ cleared by device
				
.6				lda $fe
				clc
				adc #S.DEV
				sta $fe
				bcc .7
				inc $ff
				
.7				dex
				bne .4
				
				sec
				
.8				rts
*--------------------------------------
IRQ.IntNum		.BS 1
*--------------------------------------
IRQ.OldFFFE		.BS 2
*--------------------------------------
IRQ.VBL.n0		.BS 1
IRQ.VBL.0n		.BS 1
IRQ.VBL.MSM		jmp $0000
IRQ.VBL.MRM		jmp $0000
*--------------------------------------
K.IrqHJMP		ldx #DEVMGR.IRQ
				jmp ($fe)
*--------------------------------------
MAN
SAVE /A2OSX.SRC/SYS/KERNEL.S.IRQ
LOAD /A2OSX.SRC/SYS/KERNEL.S
ASM
-												Kernel 0.9.1 : Move To S-C MASM 3.0
											
										
										
											2017-12-22 21:24:30 +00:00
+								NEW
-												Kernel version 0.9 : MEDIA reorganisation
											
										
										
											2017-03-29 15:48:15 +00:00
+								PREFIX /A2OSX.BUILD
-												Kernel 0.9.1 : Move To S-C MASM 3.0
											
										
										
											2017-12-22 21:24:30 +00:00
+								AUTO 4,1
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
+								*--------------------------------------
 								* called directly by IRQ Vector $FFFE in AuxLC
 								* Must keep:
 								*  A,X,Y
 								*   SETREADAUX
 								*  if we are here, Aux ZP/Stack already On
 								* Exit with RTI
 								* if A2osX Drivers cannot clear IRQ,
 								* must call regular System Handler
 								*--------------------------------------
-												Kernel 0.9.1 : KERNEL, bug fix in IRQ manager while IRQ happens in $C8xx space..
(btw, Expansion cards NOT supporting MSLOT protocol should crash!)
											
										
										
											2018-03-29 15:29:47 +00:00
+								MSLOT			.EQ $7f8
 								*--------------------------------------
 								K.IrqHAuxLC		sta .6+1
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
+												pla
 												pha
 												and #$10				BRK?
-												Kernel 0.9.1 : KERNEL, bug fix in IRQ manager while IRQ happens in $C8xx space..
(btw, Expansion cards NOT supporting MSLOT protocol should crash!)
											
										
										
											2018-03-29 15:29:47 +00:00
+												bne .7
 												stx	.5+1
 												sty .4+1
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
-												Kernel 0.9.1 : KERNEL, bug fix in IRQ manager while IRQ happens in $C8xx space..
(btw, Expansion cards NOT supporting MSLOT protocol should crash!)
											
										
										
											2018-03-29 15:29:47 +00:00
+												lda $fe					Save 2 bytes in ZP
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
+												pha
 												lda $ff
 												pha
-												Kernel 0.9.1 : KERNEL, bug fix in IRQ manager while IRQ happens in $C8xx space..
(btw, Expansion cards NOT supporting MSLOT protocol should crash!)
											
										
										
											2018-03-29 15:29:47 +00:00
 												lda MSLOT				Save MSLOT
 												pha
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
+												lda RDREADAUX
 												pha
-												Kernel 0.9.1 : SHELL, CSH style scripting.....(wip), Math API (wip), API reorg 
											
										
										
											2017-10-27 06:36:46 +00:00
+												sta CLRREADAUX			Make sure we can access Dev.Table
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
-												Kernel 0.9.1 : Math API
											
										
										
											2017-10-27 14:56:46 +00:00
+												jsr K.IrqH
-												Kernel version 0.9 : IRQ Manager rewrite
											
										
										
											2017-01-25 16:18:35 +00:00
 												pla						Must keep Carry
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
+												bpl .1
-												Kernel version 0.9 : IRQ Manager rewrite
											
										
										
											2017-01-25 16:18:35 +00:00
+												sta SETREADAUX
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
-												Kernel 0.9.1 : KERNEL, bug fix in IRQ manager while IRQ happens in $C8xx space..
(btw, Expansion cards NOT supporting MSLOT protocol should crash!)
											
										
										
											2018-03-29 15:29:47 +00:00
+								.1				pla						Get back MSLOT
 												sta MSLOT
 												sta .2+2
 												and #$C0
 												eor #$C0				....mmm...not looking link Cn....
 												bne .3
 												sta	$CFFF				Release $C800
 								.2				lda $ff00				SELF MODIFIED
 								.3				pla
-												Kernel version 0.9 : IRQ Manager rewrite
											
										
										
											2017-01-25 16:18:35 +00:00
+												sta $ff
 												pla
 												sta $fe
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
-												Kernel 0.9.1 : KERNEL, bug fix in IRQ manager while IRQ happens in $C8xx space..
(btw, Expansion cards NOT supporting MSLOT protocol should crash!)
											
										
										
											2018-03-29 15:29:47 +00:00
+								.4				ldy #$ff				Self Modified
 								.5				ldx #$ff				Self Modified
 								.6				lda #$ff				Self Modified
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
+												bcs .8
-												Kernel version 0.9 : IRQ Manager rewrite
											
										
										
											2017-01-25 16:18:35 +00:00
+												rti
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
-												Kernel 0.9.1 : KERNEL, bug fix in IRQ manager while IRQ happens in $C8xx space..
(btw, Expansion cards NOT supporting MSLOT protocol should crash!)
											
										
										
											2018-03-29 15:29:47 +00:00
+								.7				pla						pull P
-												Kernel 0.9.1 : SHELL, CSH style scripting.....(wip), bug fix in AToL
											
										
										
											2017-10-24 15:44:12 +00:00
+												bra *
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
-												Kernel 0.9.1 : More room in GP to more ROM Calls!
											
										
										
											2017-10-18 15:32:56 +00:00
+								.8				jmp (IRQ.OldFFFE)
-												Kernel version 0.9 : IRQ Manager rewrite
											
										
										
											2017-01-25 16:18:35 +00:00
+								*--------------------------------------
-												Kernel version 0.9 : Bugfix in IRQ,VBL & MOUSE DRIVER
											
										
										
											2017-06-02 15:14:42 +00:00
+								* Called by :
-												Kernel 0.9.1 : Math API
											
										
										
											2017-10-27 14:56:46 +00:00
+								*  - Kernel K.IrqHAuxLC
 								*  - ProDOS IRQ Manager (GP)
-												Kernel version 0.9 : IRQ Manager rewrite
											
										
										
											2017-01-25 16:18:35 +00:00
+								*--------------------------------------
-												Kernel 0.9.1 : APPLETALK!
Finally FIX the KM.APPLTALK module crashing at startup,
Fix in SYS Driver messing with MOUSE IRQ,
fix VSDRIVE timout
											
										
										
											2017-11-05 21:23:21 +00:00
+								K.IrqH			jmp K.IrqH.DEV			Modified by INIT
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
+								*--------------------------------------
-												Kernel 0.9.1 : Math API
											
										
										
											2017-10-27 14:56:46 +00:00
+								K.IrqH.TCLOCK	ldy IRQ.VBL.n0
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
 												lda $c080,y
 												and #$20
-												Kernel 0.9.1 : Math API
											
										
										
											2017-10-27 14:56:46 +00:00
+												beq K.IrqH.DEV
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
 												lda $c080,y
 												lda $c088,y
-												Kernel 0.9.1 : Code reorganization & move to CSTR (PS switcher, LS, IRQ & VBL)
											
										
										
											2017-09-21 15:29:45 +00:00
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
+												inc CORE.IRQTick
 												clc
 												rts
 								*--------------------------------------
-												Kernel 0.9.1 : DHGR Driver, BitBLT
											
										
										
											2017-11-23 16:51:52 +00:00
+								K.IrqH.VBL		jsr IRQ.VBL.MSM			SERVEMOUSE
 												bcs K.IrqH.DEV			Not From Mouse
-												Kernel version 0.9 : BugFix in VBL & IrqMgr
											
										
										
											2017-03-02 22:14:04 +00:00
-												Kernel 0.9.1 : Math API
											
										
										
											2017-10-27 14:56:46 +00:00
+												ldx IRQ.VBL.0n
-												Kernel version 0.9 : BugFix in VBL & IrqMgr
											
										
										
											2017-03-02 22:14:04 +00:00
+												lda $778,x
 												and #$08				IRQ was caused by VBL ?
-												Kernel 0.9.1 : Math API
											
										
										
											2017-10-27 14:56:46 +00:00
+												beq K.IrqH.DEV
-												Kernel version 0.9 : ....More IRQ/VBL enhancement
											
										
										
											2017-02-06 17:04:03 +00:00
-												Kernel 0.9.1 : DHGR Driver, BitBLT
											
										
										
											2017-11-23 16:51:52 +00:00
+												ldx IRQ.VBL.MRM+2		$Cn
-												Kernel 0.9.1 : Math API
											
										
										
											2017-10-27 14:56:46 +00:00
+												ldy IRQ.VBL.n0
-												Kernel 0.9.1 : DHGR Driver, BitBLT
											
										
										
											2017-11-23 16:51:52 +00:00
+												jsr IRQ.VBL.MRM			READMOUSE
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
 												inc CORE.IRQTick
-												Kernel version 0.9 : IRQ/VBL refactoring...
											
										
										
											2017-02-07 07:27:27 +00:00
-												Kernel version 0.9 : ....More IRQ/VBL enhancement
											
										
										
											2017-02-06 17:04:03 +00:00
+												clc
 												rts
-												Kernel 0.9.1 : Code reorganization & move to CSTR (PS switcher, LS, IRQ & VBL)
											
										
										
											2017-09-21 15:29:45 +00:00
+								*--------------------------------------
-												Kernel 0.9.1 : Math API
											
										
										
											2017-10-27 14:56:46 +00:00
+								K.IrqH.DEV		>LDYAI Dev.Table
-												Kernel version 0.9 : ....More IRQ/VBL enhancement
											
										
										
											2017-02-06 17:04:03 +00:00
+												>STYA $fe
-												Kernel version 0.9 : IRQ Manager rewrite
											
										
										
											2017-01-25 16:18:35 +00:00
+												ldx DevMgr.Count
-												Kernel version 0.9 : Bugfix in IRQ,VBL & MOUSE DRIVER
											
										
										
											2017-06-02 15:14:42 +00:00
+								.4				ldy #S.DEV.S
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
+												lda ($fe),y
-												Kernel version 0.9 : COM drivers and IRQ related Fixes
											
										
										
											2017-02-02 17:30:07 +00:00
+												and #S.DEV.S.IRQ
-												Kernel version 0.9 : Bugfix in IRQ,VBL & MOUSE DRIVER
											
										
										
											2017-06-02 15:14:42 +00:00
+												beq .6
-												Kernel version 0.9 : COM drivers and IRQ related Fixes
											
										
										
											2017-02-02 17:30:07 +00:00
-												Kernel version 0.9 : IRQ Manager rewrite
											
										
										
											2017-01-25 16:18:35 +00:00
+												phx
-												Kernel 0.9.1 : Math API
											
										
										
											2017-10-27 14:56:46 +00:00
+												jsr K.IrqHJMP
-												Kernel version 0.9 : IRQ Manager rewrite
											
										
										
											2017-01-25 16:18:35 +00:00
+												plx
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
+												bcc .8					CC, IRQ cleared by device
-												Kernel version 0.9 : Bugfix in IRQ,VBL & MOUSE DRIVER
											
										
										
											2017-06-02 15:14:42 +00:00
+								.6				lda $fe
-												Kernel version 0.9 : COM drivers and IRQ related Fixes
											
										
										
											2017-02-02 17:30:07 +00:00
+												clc
 												adc #S.DEV
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
+												sta $fe
-												Kernel version 0.9 : Bugfix in IRQ,VBL & MOUSE DRIVER
											
										
										
											2017-06-02 15:14:42 +00:00
+												bcc .7
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
+												inc $ff
-												Kernel version 0.9 : COM drivers and IRQ related Fixes
											
										
										
											2017-02-02 17:30:07 +00:00
-												Kernel version 0.9 : Bugfix in IRQ,VBL & MOUSE DRIVER
											
										
										
											2017-06-02 15:14:42 +00:00
+								.7				dex
 												bne .4
-												Kernel version 0.9 : IRQ Manager rewrite
											
										
										
											2017-01-25 16:18:35 +00:00
 												sec
 								.8				rts
 								*--------------------------------------
-												Kernel 0.9.1 : More room in GP to more ROM Calls!
											
										
										
											2017-10-18 15:32:56 +00:00
+								IRQ.IntNum		.BS 1
 								*--------------------------------------
 								IRQ.OldFFFE		.BS 2
 								*--------------------------------------
-												Kernel 0.9.1 : Math API
											
										
										
											2017-10-27 14:56:46 +00:00
+								IRQ.VBL.n0		.BS 1
 								IRQ.VBL.0n		.BS 1
 								IRQ.VBL.MSM		jmp $0000
 								IRQ.VBL.MRM		jmp $0000
-												Kernel version 0.9 : ....More IRQ/VBL enhancement
											
										
										
											2017-02-06 17:04:03 +00:00
+								*--------------------------------------
-												Kernel 0.9.1 : Math API
											
										
										
											2017-10-27 14:56:46 +00:00
+								K.IrqHJMP		ldx #DEVMGR.IRQ
-												Kernel version 0.9 : BLOCK DEVICES, extended S.DEV struct to store ROM entry point,BUS/DEV....moved the whole code to 16 Bytes S.DEV (Max 32 devices)
											
										
										
											2017-03-15 16:44:15 +00:00
+												jmp ($fe)
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
+								*--------------------------------------
 								MAN
-												Kernel version 0.9 : MEDIA reorganisation
											
										
										
											2017-03-29 15:48:15 +00:00
+								SAVE /A2OSX.SRC/SYS/KERNEL.S.IRQ
 								LOAD /A2OSX.SRC/SYS/KERNEL.S
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
+								ASM