PR#3
PREFIX /A2OSX.BUILD
LOMEM $A00
INC 1
AUTO 6
				.LIST OFF
*--------------------------------------
* KERNEL CONSTANTS DEFINITON
*--------------------------------------
K.ENV.SIZE		.EQ 256
K.FLT.MAX		.EQ 4
K.EVT.MAX		.EQ 8
K.DEV.MAX		.EQ 32
K.PS.MAX		.EQ 32
*--------------------------------------
H.BIN.T			.EQ 0
H.BIN.T.DRV65		.EQ $4CD8			6502:cld,jmp abs
H.BIN.T.LIB65		.EQ $7CD8			6502:cld,jmp (abs,x)
H.BIN.T.BIN65		.EQ $7CD8			6502:cld,jmp (abs,x)
*H.BIN.T.LIB80		.EQ $A28D			Z80:		
*H.BIN.T.BIN80		.EQ $A28D			Z80:
H.BIN.JMP			.EQ 2
*H.BIN.CODE.TYPE	.EQ 4
*H.BIN.VERSION		.EQ 5
H.BIN.CODE.LEN		.EQ 8
*
H.BIN.EXE.DS.SIZE	.EQ 10
H.BIN.EXE.SS.SIZE	.EQ 12
H.BIN.EXE.ZP.SIZE	.EQ 13
H.BIN.EXE.REL.TABLE	.EQ 16
*
H.BIN.DRV.HEADER.O	.EQ 10
H.BIN.DRV.CODE.O	.EQ 12
H.BIN.DRV.CODE.LEN	.EQ 14
H.BIN.DRV.REL.TABLE	.EQ 0
*--------------------------------------
ZPKERNEL		.EQ $0
ZPMEMMGR		.EQ $8
*--------------------------------------
* $42-$47   ProDOS Block Device Drivers	Main
*--------------------------------------
* $5E-$C8 	RESERVED APPLESOFT			Main/Aux (ROM Call, no need to switch back MainZP)
*--------------------------------------
SIGNFLG			.EQ $16					COS,SIN,TAN
INDEX			.EQ $5E					->$5F
FORPNT			.EQ $85					->$86
FAC				.EQ $9D					->$A1
FAC.SIGN		.EQ $A2
*FAC.EXTENSION	.EQ $AC
TXTPTR			.EQ $B8
*--------------------------------------
* ROM Entry Point
*--------------------------------------
ROM.FSUB		.EQ 0
ROM.FADD		.EQ 2
ROM.LTOF		.EQ 4
ROM.LOG			.EQ 6
ROM.FMULT		.EQ 8
ROM.SETARG		.EQ 10
ROM.FDIV		.EQ 12
ROM.SETFAC		.EQ 14

ROM.GETFAC		.EQ 16					Copy FAC to (FORPNT)
ROM.FCOMP		.EQ 18
ROM.QINT		.EQ 20
ROM.FIN			.EQ 22
ROM.FOUT		.EQ 24
ROM.SQR			.EQ 26
ROM.PWR			.EQ 28
ROM.EXP			.EQ 30

ROM.COS			.EQ 32
ROM.SIN			.EQ 34
ROM.TAN			.EQ 36
ROM.ATAN		.EQ 38
*--------------------------------------
* Memory Map
*--------------------------------------
A2osX.SaveSM	.EQ $100				Aux
A2osX.SaveSX	.EQ $101				Aux
*--------------------------------------
* Main $200 -> 2FF : (Used By ProDOS,Clock DRV....)
* Main $300 -> 3EF : <free>
* Main $3F0 -> 3FF : SYS Vectors (reset,IRQ...)
* Aux  $200 -> 3FD : /RAM Driver
* Aux  $3FE -> 3FF : IRQ Vector
*--------------------------------------
K.S.STAT		.EQ $0300				S.STAT for internal kernel operations
K.S.DSTAT		.EQ $0340				S.DSTAT=25 or higher depends on dev type
K.SP.PARAMS		.EQ $0360				Max 9 bytes
K.MLI.PATH		.EQ $0369				64+1
K.MLI.PARAMS	.EQ $03AA				Main, 18 bytes min for GetFileInfo (ATLK needs MORE!!!...32 max for now)
*--------------------------------------
K.STACKTOP		.EQ $03EF				down to $3E0
*--------------------------------------
*** $3F0-$3FF IRQ Handler.... ***
*--------------------------------------
* Main/Aux $400	-> $7FF : TXT PAGE1		System Screen
* Main/Aux $800	-> $BFF : TXT PAGE2		Console Screen
*--------------------------------------
* free $0C00->$17FF = $C00 (3072)		Aux
*--------------------------------------
K.Buf256		.EQ $0C00				Main
*--------------------------------------
PS.Table.PID	.EQ $0D00				K.PS.MAX
PS.Table.hMem	.EQ $0D20				K.PS.MAX
*--------------------------------------
Evt.Table		.EQ	$0D40				K.EVT.MAX*S.EVT.SIZE=8*8=64b
*--------------------------------------
Flt.Table		.EQ $0D80				K.FLT.MAX*S.FLT.SIZE=4*32=128b
*--------------------------------------
Dev.Table		.EQ	$0E00				K.DEV.MAX*S.DEV=32*16=512b
*--------------------------------------
*** Z80 Reserved $1000-10FF***
*--------------------------------------
Z80JMP			.EQ $1000				(00000h) Up To $10FF
Z80STACK		.EQ $10FF				(000FFh) Down to $1000
*--------------------------------------
* CORE $1100->$17FF = $700				Main
*--------------------------------------
* MemMgr : $1800->$1FFF	MAIN/AUX		(2 kBytes)
*--------------------------------------
Mem.Table		.EQ $1800				Slot 0 is Reserved
Mem.LoMem		.EQ $1800
Mem.Free		.EQ $1802
Mem.HiMem		.EQ $1804
Mem.LastSlot	.EQ $1806
*--------------------------------------
Mem.MLoMem		.EQ $2000
Mem.MHiMem		.EQ $BD00
Mem.XLoMem		.EQ $2000
Mem.XHiMem		.EQ $C000
*--------------------------------------
DevMgr.HiMem	.EQ $FFFA				Protect IRQ vectors in Aux LC
*--------------------------------------
MAN
SAVE /A2OSX.BUILD/INC/KERNEL.I
LOAD /A2OSX.SRC/SYS/KERNEL.S
ASM