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

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This commit is contained in:
Rémy GIBERT 2018-04-27 16:35:55 +02:00
parent fa3273bebb
commit a260cfe2eb
6 changed files with 26 additions and 59 deletions
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.Floppies/A2OSX.BOOT.po
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.Floppies/A2OSX.BUILD.po
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.Floppies/A2OSX.SRC.po
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51
SYS/KERNEL.S.GP.txt
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@ -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
@ -289,9 +255,14 @@ GP.IrqH.DEV sta SETALTZP switch to aux LC
txs
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

12
SYS/KERNEL.S.INIT.txt
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@ -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
@ -612,12 +610,10 @@ 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

22
SYS/KERNEL.S.IRQ.txt
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@ -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