A2osX/SYS/KERNEL.S.txt

PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
				.LIST OFF
				.OP	65C02
				.OR	$D000
				.TF /A2OSX.BOOT/SYS/KERNEL
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/KERNEL.I
				.INB INC/A2OSX.I
				.INB INC/A2OSX.API.I
				.INB INC/IO.I
				.INB INC/PRODOS.I
*--------------------------------------
KERNEL			jmp S.KernelInit		KERNEL.COLDBOOT
*--------------------------------------
				jmp (.1,x)				KERNEL.SYSCALL
*--------------------------------------
.1				.DA S.GetMem			$00
				.DA S.FreeMemA
				.DA S.GetMemPtrA
				.DA S.GetMemByIDA

				.DA S.GetMemByNameA
				.DA S.GetMemByNameYA
				.DA 0
				.DA 0
*--------------------------------------
				.DA S.NewPStrYA			$10
				.DA S.PStrCpyA
				.DA S.PStrCat
				.DA S.PStrCmp
				
				.DA S.PStrGetTkn
				.DA 0
				.DA 0
				.DA 0
*--------------------------------------
				.DA S.LoadBinA			$20 
				.DA S.LoadLibYA			
				.DA S.UnloadLibA
				.DA S.LoadDrvA
				
				.DA 0
				.DA 0
				.DA 0
				.DA 0
*--------------------------------------
				.DA S.ExpandPStrA		$30
				.DA S.ExpandPStrYA
				.DA S.GetEnvVarH
				.DA S.GetEnvVarP
				
				.DA S.SetEnvVarH	
				.DA S.SetEnvVarP	
				.DA 0
				.DA 0
*--------------------------------------
				.DA S.MLICreateFile		$40
				.DA S.MLICreateDirA
				.DA S.MLICreateDirYA
				.DA S.MLIDestroyA
				
				.DA S.MLIDestroyYA
				.DA S.MLIRename
				.DA S.MLISetFileInfo
				.DA S.MLIGetFileInfoA

				.DA S.MLIGetFileInfoYA	$50
				.DA S.MLIOnline
				.DA S.MLISetPrefixA
				.DA S.MLISetPrefixYA
				
				.DA S.MLIGetPrefixA
				.DA S.MLIGetPrefixYA
				.DA S.MLIOpenA
				.DA S.MLIOpenYA

				.DA S.MLINewLine		$60
				.DA	S.MLIRead
				.DA	S.MLIWrite
				.DA S.MLICloseA

				.DA S.MLIFlushA
				.DA S.MLISetMark
				.DA S.MLIGetMarkA
				.DA S.MLISetEOF

				.DA S.MLIGetEOFA		$70
				.DA S.MLISetBuf
				.DA S.MLIGetBuf
				.DA S.MLIGetTime

				.DA S.MLIAllocIRQ
				.DA S.MLIDeallocIRQA
				.DA S.MLIReadBlock
				.DA S.MLIWriteBlock
*--------------------------------------
				.DA S.GetDevByIDA		$80
				.DA S.GetDevByNameA
				.DA S.GetDevByNameYA
				.DA 0

				.DA S.GetKeyboardEvent
				.DA 0
				.DA 0
				.DA 0
*--------------------------------------
				.DA S.ExecProcessNewEnvA	$90
				.DA S.ExecProcessA		
				.DA S.CreateProcessNewEnvA
				.DA S.CreateProcessA

				.DA S.GetPSByIDA 
				.DA 0
				.DA 0
				.DA 0
*--------------------------------------
				.DA S.CheckPrefixA		$A0
				.DA S.FileSearch 
				.DA S.LoadFileA
				.DA S.LoadFileYA

				.DA S.ListDirInitA
				.DA S.ListDirNextA
				.DA S.ListDirCloseA
				.DA 0
*--------------------------------------
				.DA S.AddNetCfg			$B0
				.DA S.SetNetCfg
				.DA S.GetNetCfgA
				.DA S.ClrNetCfgA
				
				.DA 0
				.DA 0
				.DA 0
				.DA 0
*--------------------------------------
				.DA S.ScreenSelectA		$C0
				.DA 0
				.DA S.SysScrPPSTRA
				.DA S.SysScrPPSTRYA
*--------------------------------------
S.KernelInit	sei
 				ldx	#$FF				init 6502 stack to highest
				txs
				stx A2osX.SaveSM
				stx A2osX.SaveSX
				cli

				>LDYAI D.STACK.TOP
				>STYA pStack				init Soft Stack

				stz	A2osX.SCREENS
				stz A2osX.ASCREEN
				
				stz A2osX.CSCREEN.DEV
				stz A2osX.GSCREEN.DEV
				
				jsr S.SysScrInit
				
				>LDYAI MSG.Init
				jsr S.SysScrPPSTRYA
				
				>LDYAI MSG.Init.MemMgr
				jsr S.SysScrPPSTRYA
				jsr S.MemMgrInit
				jsr S.SysScrPRCode
				bcs .1

				>LDYAI MSG.Init.TskMgr
				jsr S.SysScrPPSTRYA
				jsr S.TskMgrInit
				jsr S.SysScrPRCode
.1				bcs .2

				>LDYAI MSG.Init.DevMgr
				jsr S.SysScrPPSTRYA
				jsr S.DevMgrInit
				jsr S.SysScrPRCode
.2				bcs .3

				>LDYAI MSG.Init.EvtMgr
				jsr S.SysScrPPSTRYA
				jsr S.EvtMgrInit
				jsr S.SysScrPRCode
.3				bcs .99
				
				>LDYAI MSG.Init.Startup
				jsr S.SysScrPPSTRYA
				
				>LDYAI STARTUP.FILE			Build A2osX.STARTUP full path...
				jsr S.NewPStrYA
				pha							save for discard

				>PUSHA
				>PUSHWI ENV.A2osX			get KRNL root path
				ldy #S.PS.hENV
				lda TskMgr.Table,y
				>PUSHA
				jsr S.GetEnvVarP
				pha							save for discard
				>PUSHA
				jsr S.PStrCat
				pha							save for discard

				jsr S.ExecFileA
				jsr S.SysScrPRCode
				bcs *
				
				pla
				jsr S.FreeMemA
				pla
				jsr S.FreeMemA
				pla
				jsr S.FreeMemA

				>LDYAI MSG.Init.SysEnv
				jsr S.SysScrPPSTRYA

				jsr S.PrintSysEnv
	
.99				bcs *

				>LDYAI MSG.Init.OK
				jsr S.SysScrPPSTRYA
*--------------------------------------
S.KernelRun		jsr S.TskMgrRun
				bcs .98
				
				jsr S.SysScrCPULoad
				jsr S.GetEvent
				bcs S.KernelRun			CS=no event

				jsr S.DispatchEvent
				bcc S.KernelRun			CC=Event Dispatched

				lda (pEvent)
				and #S.EVT.F.TIMER		Discard any TIMER event
				beq .1
				jsr S.DestroyEvent
				bra	S.KernelRun
				
.1				lda (pEvent)
				and #S.EVT.F.KEY		any special key?
				beq .99
				
				ldy #S.EVT.DATAHI		Open-Apple?
				lda (pEvent),y
				bpl .99
				
				ldy #S.EVT.DATALO
				lda (pEvent),y
				
				cmp #$31
				bne .2
				lda #A2osX.SCREENS.S
				jsr S.ScreenSelectA
				bra .8
				
.2				cmp #$32
				bne .3
				lda #A2osX.SCREENS.C
				jsr S.ScreenSelectA
				bra .8
				
.3				cmp #$33
				bne .8	
				lda #A2osX.SCREENS.G
				jsr S.ScreenSelectA
				
.8				jsr S.DestroyEvent
				bra	S.KernelRun
				
.98				lda #A2osX.SCREENS.S
				jsr S.ScreenSelectA
				>LDYAI MSG.KRNLPANIC
				jsr	S.SysScrPPSTRYA
				bra *
				
.99				>LDYAI MSG.EVNTPANIC
				jsr	S.SysScrPPSTRYA
				jsr S.DumpEvent
				
				jsr S.DestroyEvent
				jmp S.KernelRun
*--------------------------------------
S.PrintSysEnv	ldy #S.PS.hENV
				lda TskMgr.Table,y		Get PS #0 ENV
				jsr S.GetMemPtrA
				>STYA R.AX
.1				lda (R.AX)
				beq .8					Ending 0 ?
				>LDYA R.AX
				jsr S.SysScrPPSTRYA
				jsr S.SysScrCROUT
				lda R.AL
				sec
				adc (R.AX)				Add len+1 to PTR
				sta R.AL
				bcc .1
				inc R.AH
				bra .1
.8				rts
*--------------------------------------
pDevJmp			jmp (pDev)
pCodeJmp		jmp (pCode)				
pLibJmp			jmp (pLib)
*--------------------------------------
MSG.Init		>PSTRING "A2osX[Stage2]:Init\n"
MSG.Init.MemMgr	>PSTRING "->MemMgr Init"
MSG.Init.TskMgr	>PSTRING "->TskMgr Init"
MSG.Init.DevMgr	>PSTRING "->DevMgr Init"
MSG.Init.EvtMgr	>PSTRING "->EvtMgr Init"
MSG.Init.Startup	>PSTRING "EXEC A2osX.Startup...\n"
MSG.Init.SysEnv	>PSTRING "SYS ENV:\n"
MSG.Init.OK		>PSTRING "A2osX[Stage2]:Complete."

MSG.EVNTPANIC	>PSTRING "\nEVT:F/hDev/DATA/W1/W2="
MSG.KRNLPANIC	>PSTRING "\n\n!!!Kernel Panic!!!"
*--------------------------------------
STARTUP.FILE 	>PSTRING "A2osX.STARTUP"
*--------------------------------------
ENV.A2osX		>PSTRING "A2OSX"
ENV.PATH		>PSTRING "PATH"
ENV.LIB			>PSTRING "LIB"
*--------------------------------------
				.INB SYS/KERNEL.S.MEM
				.INB SYS/KERNEL.S.SCR
				.INB SYS/KERNEL.S.STR
				.INB SYS/KERNEL.S.FS
				.INB SYS/KERNEL.S.MLI
				.INB SYS/KERNEL.S.BIN
				.INB SYS/KERNEL.S.DRV
				.INB SYS/KERNEL.S.LIB
				.INB SYS/KERNEL.S.NET
				.INB SYS/KERNEL.S.RDR
				.INB SYS/KERNEL.S.ENV
				.INB SYS/KERNEL.S.TSK
				.INB SYS/KERNEL.S.EVT
				.INB SYS/KERNEL.S.EXE
*--------------------------------------
				.INB SYS/KERNEL.S.DEV
*--------------------------------------
MAN
SAVE SYS/KERNEL.S
ASM