A2osX/BIN/FORMAT.S.txt

NEW
PREFIX
AUTO 4,1
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF bin/format
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/A2OSX.I
				.INB INC/MLI.E.I
				.INB INC/KERNEL.I
				.INB INC/LIBBLKDEV.I
*--------------------------------------
				.DUMMY
				.OR ZPBIN
ZS.START
ZPPtr1			.BS 2
ZPPtr2			.BS 2
ZPPtrFD			.BS 2
ZPPtrDevName	.BS 2

ArgIndex		.BS 1

hDevID			.BS 1
hBuf			.BS 1
bLL				.BS 1
bCustomBlkSize 	.BS 1
MediaBlkSize	.BS 2
CatSize			.BS 1
CatBlkCnt		.BS 1
CatOptions		.BS 1

ZS.END
				.ED
*--------------------------------------
*			File Header (16 Bytes)
*--------------------------------------
CS.START		cld
				jmp (.1,x)
				.DA #$61				6502,Level 1 (65c02)
				.DA #1					BIN Layout Version 1
				.DA #0					S.PS.F.EVENT
				.DA #0
				.DA CS.END-CS.START		Code Size (without Constants)
				.DA DS.END-DS.START		Data SegmentSize
				.DA #32					Stack Size
				.DA #ZS.END-ZS.START	Zero Page Size
				.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1				.DA CS.INIT
				.DA CS.RUN
				.DA CS.DOEVENT
				.DA	CS.QUIT
L.LIBBLKDEV		.DA LIBBLKDEV
L.MSG.USAGE		.DA MSG.USAGE
L.MSG.OK		.DA MSG.OK
L.MSG.ERR		.DA MSG.ERR
L.MSG.NOSIZE	.DA MSG.NOSIZE
L.MSG.INIT		.DA MSG.INIT
L.FMT.BLANK		.DA FMT.BLANK
				.DA 0
*--------------------------------------
CS.INIT			>LDYA L.LIBBLKDEV
				>SYSCALL LoadLib
				bcs .9
				sta hLIBBLKDEV

.9				rts
*--------------------------------------
CS.RUN			ldy #S.PS.ARGC
				lda (pPs),y
				beq .99

.1				inc ArgIndex
				lda ArgIndex
				>SYSCALL ArgV
				bcc .11
				
				jmp .8

.11				>STYA ZPPtr1
				lda (ZPPtr1)
				cmp #'-'
				bne .4

				ldy #1 
				lda (ZPPtr1),y
				beq .99

				cmp #'0'
				bcc .2
				cmp #'9'+1
				bcs .2
				and #$0F
				sta CatSize
.10				bra .1

.2				jsr CS.RUN.CheckOpt
				bcs .99
				
				cpy #bCustomBlkSize
				bne .1
				
				inc ArgIndex
				lda ArgIndex
				>SYSCALL ArgV
				bcs .99
				
				>SYSCALL atoi
				>STYA MediaBlkSize
				bra .1
				
.99				>PUSHBI 0
				>LDYA L.MSG.USAGE
				>SYSCALL printf
				lda #E.SYN
				sec
				rts			

.4				lda hDevID
				bne .5					Already have a dev...go get VolName

				>LDYA ZPPtr1
				>SYSCALL GetDevByName
				bcs .99

				>STYA ZPPtrFD
				stx hDevID
				>LDYA ZPPtr1
				>STYA ZPPtrDevName
				bra .10

.5				ldy #$ff

.6				iny
				lda (ZPPtr1),y
				sta (pData),y			VolName
				beq .10

				cpy #16
				bcc .6
				bra .99					VolName too long

.8				lda hDevID
				beq .99
*--------------------------------------
CS.RUN.Format	jsr CS.RUN.GetBlockSize
				bcs .9
				jsr CS.RUN.InitCat
				bcs .9
				jsr CS.RUN.BuildCat
				bcs .9
				jsr CS.RUN.WriteCat
				bcs .9
				>LDYA L.MSG.OK
				>SYSCALL puts
				lda #0
				sec
				rts

.9				pha
				>PUSHA
				>PUSHBI 1
				>LDYA L.MSG.ERR
				>SYSCALL printf
				pla
				sec
				rts
*--------------------------------------
CS.RUN.GetBlockSize
				lda bCustomBlkSize
				bmi .8
				
				>PUSHEA.G DIB
				lda hDevID

				>SYSCALL GetDevStatus
				bcs .9

				>LDA.G DIB+S.DIB.SIZE
				tax
				iny
				ora (pData),y
				beq .9
				
				lda (pData),y
				sta MediaBlkSize+1
				stx MediaBlkSize
.8				clc
				rts

.9				>LDYA L.MSG.NOSIZE
				>SYSCALL puts
				lda #MLI.E.IO
				sec
				rts
*--------------------------------------
CS.RUN.InitCat	lda CatSize
				bne .1

				lda #4
				sta CatSize

.1				>LDA.G VolName
				bne .8					Volume name ok

				>PUSHW A2osX.TIMER16
				>PUSHW A2osX.RANDOM16
				>PUSHBI 4
				>PUSHW L.FMT.BLANK
				>LEA.G VolName
				>SYSCALL sprintf
				rts

.8				clc
				rts
*--------------------------------------
CS.RUN.BuildCat	>PUSHEA.G VolName
				>PUSHW MediaBlkSize
				>PUSHW ZPPtrDevName

				>PUSHBI 6
				>LDYA L.MSG.INIT
				>SYSCALL printf
				bcs .9

				jsr .7

				>LIBCALL hLIBBLKDEV,LIBBLKDEV.GetProDOSCatSize			
				bcs .9

				stx CatBlkCnt

				>SYSCALL GetMem0		BufferSize
				bcs .9
				>STYA.G IOCTL+S.IOCTL.BUFPTR
				stx hBuf
				jsr .7
				>PUSHEA.G VolName
				>PUSHW.G IOCTL+S.IOCTL.BUFPTR
				>LIBCALL hLIBBLKDEV,LIBBLKDEV.BuildProDOSCat
.9				rts

.7				>PUSHW MediaBlkSize
				>PUSHB CatSize
				>PUSHB CatOptions
				rts
*--------------------------------------
CS.RUN.WriteCat	>PUSHEA.G IOCTL
				>PUSHBI IOCTL.WRITEBLOCK		
				lda hDevID

				>SYSCALL IOCTL
				bcs .9
				lda #'.'
				>SYSCALL PutChar
				>LDA.G IOCTL+S.IOCTL.BUFPTR+1
				inc
				inc
				sta (pData),y
				>INC.G IOCTL+S.IOCTL.BLKNUM
				>SLEEP
				dec CatBlkCnt
				bne CS.RUN.WriteCat
.9				rts
*--------------------------------------
CS.DOEVENT		sec
				rts
*--------------------------------------
CS.QUIT			lda hBuf
				beq .1
				>SYSCALL FreeMem
.1				lda hLIBBLKDEV
				beq .8
				>SYSCALL UnloadLib
.8				clc
				rts
*--------------------------------------
CS.RUN.CheckOpt	ldy #1 
				lda (ZPPtr1),y

				ldx #OptionVars-OptionList-1

.2				cmp OptionList,x
				beq .3
				dex
				bpl .2

				sec
				rts

.3				ldy OptionVars,x
				ldx #$ff
				stx 0,y
				clc
				rts
*--------------------------------------
CS.END
*--------------------------------------
LIBBLKDEV		.AZ "libblkdev"
hLIBBLKDEV		.BS 1
*--------------------------------------
MSG.USAGE		.AS "Usage : FORMAT <BLOCKDEV> [VOLUME.NAME]\r\n"
				.AS "   -L : Low-Level Format\r\n"
				.AS "   -B xxxx : override Device block size\r\n"
				.AZ " -1-9 : Catalog Size (Blocks)\r\n"
MSG.OK			.AZ "[OK]"
MSG.ERR			.AZ "[%h]\r\n"
MSG.NOSIZE		.AZ "Unable to get media size."
MSG.INIT		.AZ "Formatting %s (%D Blks),Volname:%s..."
FMT.BLANK		.AZ "BLANK%H%H"
*--------------------------------------
OptionList		.AS "LlBb"
OptionVars		.DA #bLL,#bLL,#bCustomBlkSize,#bCustomBlkSize
*--------------------------------------
				.DUMMY
				.OR 0
DS.START
VolName			.BS 16

IOCTL			.BS S.IOCTL
DIB				.BS S.DIB
DS.END			.ED
*--------------------------------------
MAN
SAVE USR/SRC/BIN/FORMAT.S
ASM