A2osX/SYS/KERNEL.S.IRQ.txt

PR#3
PREFIX /A2OSX.BUILD
LOMEM $A00
INC 1
AUTO 6
*--------------------------------------
* 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
*--------------------------------------
K.IrqHandlerAuxLC
				sta .12+1
				pla
				pha
				and #$10				BRK?
				bne .2
				
				stx	.11+1
				sty .10+1
				lda $fe
				pha
				lda $ff
				pha
				lda RDREADAUX
				pha
				sta CLRREADAUX			Make sure we can access DevMgr.Table
				
				jsr K.IrqHandler
					
				pla						Must keep Carry
				bpl .1
				sta SETREADAUX
				
.1				pla
				sta $ff
				pla
				sta $fe
				
.10				ldy #$ff				Self Modified
.11				ldx #$ff				Self Modified
.12				lda #$ff				Self Modified
				bcs .8
				rti
				
.2				
*				bra *					BRK
				
				lda .12+1
				
.8				jmp (K.IrqMgrOldFFFE)
*--------------------------------------
K.IrqMgrOldFFFE	.BS 2
*--------------------------------------
* Called by :
* Kernel IrqHandlerAuxLC
* ProDOS IRQ Manager (GP)
*--------------------------------------
K.IrqHandler	jmp K.IrqHandler.DEV	Modified by INIT
*--------------------------------------
K.IrqHandler.TCLOCK	
				ldy K.IrqMgrVBL.n0
				
				lda $c080,y
				and #$20
				beq K.IrqHandler.DEV
				
				lda $c080,y
				lda $c088,y
				
				inc CORE.IRQTick
				
				lda SYS.BASL0+37
				eor #$80
				sta SYS.BASL0+37

				clc
				rts
*--------------------------------------
K.IrqHandler.VBL				
				jsr K.IrqMgrVBL.MSM		SERVEMOUSE
				bcs K.IrqHandler.DEV	Not From Mouse
				
				ldx K.IrqMgrVBL.0n
				lda $778,x
				and #$08				IRQ was caused by VBL ?
				beq K.IrqHandler.DEV
				
				ldx K.IrqMgrVBL.MRM+2	$Cn
				ldy K.IrqMgrVBL.n0
				jsr K.IrqMgrVBL.MRM		READMOUSE

				inc CORE.IRQTick
				
				lda SYS.BASL0+37
				eor #$80
				sta SYS.BASL0+37
				
				clc
				rts
*--------------------------------------			
K.IrqHandler.DEV
				>LDYAI DevMgr.Table
				>STYA $fe

				ldx DevMgr.Count
				
.4				ldy #S.DEV.S
				lda ($fe),y
				and #S.DEV.S.IRQ
				beq .6
				
				phx
				jsr K.IrqHandlerJMP
				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
*--------------------------------------
K.IrqMgrVBL.n0	.BS 1
K.IrqMgrVBL.0n	.BS 1
K.IrqMgrVBL.MSM	jmp $0000
K.IrqMgrVBL.MRM	jmp $0000
*--------------------------------------
K.IrqHandlerJMP	ldx #DEVMGR.IRQ
				jmp ($fe)
*--------------------------------------
MAN
SAVE /A2OSX.SRC/SYS/KERNEL.S.IRQ
LOAD /A2OSX.SRC/SYS/KERNEL.S
ASM
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
+								PR#3
-												Kernel version 0.9 : MEDIA reorganisation
											
										
										
											2017-03-29 15:48:15 +00:00
+								PREFIX /A2OSX.BUILD
-												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
+								LOMEM $A00
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
+								INC 1
 								AUTO 6
 								*--------------------------------------
 								* 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 version 0.8 : API cleanup/reorg
											
										
										
											2016-09-21 15:20:37 +00:00
+								K.IrqHandlerAuxLC
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
+												sta .12+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 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
+												bne .2
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
+												stx	.11+1
 												sty .10+1
-												Kernel rewrite #5, IRQ Handler In Progress...
											
										
										
											2015-12-10 18:53:30 +00:00
+												lda $fe
 												pha
 												lda $ff
 												pha
 												lda RDREADAUX
 												pha
 												sta CLRREADAUX			Make sure we can access DevMgr.Table
-												Kernel version 0.9 : IRQ Manager rewrite
											
										
										
											2017-01-25 16:18:35 +00:00
+												jsr K.IrqHandler
 												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
 								.1				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
 								.10				ldy #$ff				Self Modified
 								.11				ldx #$ff				Self Modified
 								.12				lda #$ff				Self Modified
 												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
 								.2
 								*				bra *					BRK
 												lda .12+1
 								.8				jmp (K.IrqMgrOldFFFE)
-												Kernel version 0.9 : IRQ Manager rewrite
											
										
										
											2017-01-25 16:18:35 +00:00
+								*--------------------------------------
 								K.IrqMgrOldFFFE	.BS 2
 								*--------------------------------------
-												Kernel version 0.9 : Bugfix in IRQ,VBL & MOUSE DRIVER
											
										
										
											2017-06-02 15:14:42 +00:00
+								* Called by :
 								* Kernel IrqHandlerAuxLC
 								* ProDOS IRQ Manager (GP)
-												Kernel version 0.9 : IRQ Manager rewrite
											
										
										
											2017-01-25 16:18:35 +00:00
+								*--------------------------------------
-												Kernel 0.9.1 : New IRQ manager, supporting ThunderClock Plus
											
										
										
											2017-10-11 15:37:41 +00:00
+								K.IrqHandler	jmp K.IrqHandler.DEV	Modified by INIT
 								*--------------------------------------
 								K.IrqHandler.TCLOCK
 												ldy K.IrqMgrVBL.n0
 												lda $c080,y
 												and #$20
 												beq K.IrqHandler.DEV
 												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
 												lda SYS.BASL0+37
 												eor #$80
 												sta SYS.BASL0+37
 												clc
 												rts
 								*--------------------------------------
-												Kernel 0.9.1 : Code reorganization & move to CSTR (PS switcher, LS, IRQ & VBL)
											
										
										
											2017-09-21 15:29:45 +00:00
+								K.IrqHandler.VBL
-												Kernel version 0.9 : IRQ/VBL refactoring...
											
										
										
											2017-02-07 07:27:27 +00:00
+												jsr K.IrqMgrVBL.MSM		SERVEMOUSE
-												Kernel 0.9.1 : Code reorganization & move to CSTR (PS switcher, LS, IRQ & VBL)
											
										
										
											2017-09-21 15:29:45 +00:00
+												bcs K.IrqHandler.DEV	Not From Mouse
-												Kernel version 0.9 : BugFix in VBL & IrqMgr
											
										
										
											2017-03-02 22:14:04 +00:00
 												ldx K.IrqMgrVBL.0n
 												lda $778,x
 												and #$08				IRQ was caused by VBL ?
-												Kernel 0.9.1 : Code reorganization & move to CSTR (PS switcher, LS, IRQ & VBL)
											
										
										
											2017-09-21 15:29:45 +00:00
+												beq K.IrqHandler.DEV
-												Kernel version 0.9 : ....More IRQ/VBL enhancement
											
										
										
											2017-02-06 17:04:03 +00:00
-												Kernel version 0.9 : IRQ/VBL refactoring...
											
										
										
											2017-02-07 07:27:27 +00:00
+												ldx K.IrqMgrVBL.MRM+2	$Cn
 												ldy K.IrqMgrVBL.n0
 												jsr K.IrqMgrVBL.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 : Bugfix in IRQ,VBL & MOUSE DRIVER
											
										
										
											2017-06-02 15:14:42 +00:00
+												lda SYS.BASL0+37
-												Kernel 0.9.1 : Code reorganization & move to CSTR (PS switcher, LS, IRQ & VBL)
											
										
										
											2017-09-21 15:29:45 +00:00
+												eor #$80
 												sta SYS.BASL0+37
-												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
+								*--------------------------------------
 								K.IrqHandler.DEV
 												>LDYAI DevMgr.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 version 0.8 : API cleanup/reorg
											
										
										
											2016-09-21 15:20:37 +00:00
+												jsr K.IrqHandlerJMP
-												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 version 0.9 : IRQ/VBL refactoring...
											
										
										
											2017-02-07 07:27:27 +00:00
+								K.IrqMgrVBL.n0	.BS 1
-												Kernel version 0.9 : BugFix in VBL & IrqMgr
											
										
										
											2017-03-02 22:14:04 +00:00
+								K.IrqMgrVBL.0n	.BS 1
-												Kernel version 0.9 : IRQ/VBL refactoring...
											
										
										
											2017-02-07 07:27:27 +00:00
+								K.IrqMgrVBL.MSM	jmp $0000
 								K.IrqMgrVBL.MRM	jmp $0000
-												Kernel version 0.9 : ....More IRQ/VBL enhancement
											
										
										
											2017-02-06 17:04:03 +00:00
+								*--------------------------------------
-												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
+								K.IrqHandlerJMP	ldx #DEVMGR.IRQ
 												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