A2osX/BIN/FORMAT.S.txt

PR#3
PREFIX /A2OSX.BUILD
NEW
INC 1
AUTO 6
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF /A2OSX.BUILD/BIN/FORMAT
*--------------------------------------
				.INB /A2OSX.BUILD/INC/MACROS.I
				.INB /A2OSX.BUILD/INC/A2OSX.I
				.INB /A2OSX.BUILD/INC/LIBBLKDEV.I
*--------------------------------------
ZPPtr1			.EQ ZPBIN
ZPPtr2			.EQ ZPBIN+2
*--------------------------------------
*			File Header (16 Bytes)
*--------------------------------------
CS.START		cld
				jmp (.1,x)
				.DA #$61				6502,Level 1 (65c02)
				.DA #1					BIN Layout Version 1
				.DA 0
				.DA CS.END-CS.START		Code Length To Relocate
				.DA DS.END-DS.START		Data Segment to Allocate
				.DA 0
				.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			
				.DA 0
*--------------------------------------
CS.INIT			>SYSCALL GetArgC
				sta ArgCount
				cmp #1
				beq  .99

				stz ArgIndex
				
.1				dec ArgCount
				beq .7
				
				inc ArgIndex
				lda ArgIndex
				>SYSCALL GetArgA
				>STYA ZPPtr1
				
				lda (ZPPtr1)
				cmp #2
				bne .4
				
				ldy #1
				lda (ZPPtr1),y
				cmp #'-'
				bne .4
				
				iny 
				lda (ZPPtr1),y

				ldx OptionList
				
.2				cmp OptionList,x
				beq .3
				dex
				bne .2

.99				>LDYA L.MSG.USAGE
				>SYSCALL CPrintFYA
				lda #SYSMGR.ERRSYN
				sec
				rts
				
.3				ldy OptionVars-1,x
				lda #$80
				sta (pData),y
				bra .1
				
.4				lda (pData)
				bne .99					Already have a vol name...syntax error
				
				lda (ZPPtr1)
				cmp #16
				bcc .5
				lda #15
.5				sta (ZPPtr1)
				tay
				
.6				lda (ZPPtr1),y
				sta (pData),y
				dey
				bne .6
				bra .1					success, scan for any other args
				

				
.7				lda (pData)
				bne .8					Volume name ok
				
				ldy DefaultVolName
				
.71				lda DefaultVolName,y
				sta (pData),y
				dey
				bpl .71
				
.8				>LDYA L.LIBBLKDEV
				>SYSCALL LoadLibYA
				sta hLIBBLKDEV
				
				lda (pPs)
				ora #S.PS.F.EVENT		Now accept events
				sta (pPs)
				
				clc
				rts
*--------------------------------------
CS.RUN			ldy #bCANCEL
				lda (pData),y
				bmi .99
				
				
				
.8				clc
				rts
				
.99				lda #0
				sec
				rts
*--------------------------------------
CS.DOEVENT		sec
				rts
*--------------------------------------
CS.QUIT			lda hLIBBLKDEV
				beq .8
				
				>SYSCALL UnloadLibA
				
.8				clc
				rts
*--------------------------------------
CS.END
*--------------------------------------
OptionList		>PSTR "L"
OptionVars		.DA #bLL
*--------------------------------------
MSG.USAGE		>CSTR "Usage : FORMAT <BLOCKDEV> [VOLUME.NAME]\r\n   -L : Low-Level Format\r\n"
MSG.OK			>CSTR "[OK]\r\n"
MSG.ERR			>CSTR "[%h]\r\n"
*--------------------------------------
LIBBLKDEV		>PSTR "libblkdev.o"
DefaultVolName	>PSTR "BLANK"
ArgCount		.BS 1
ArgIndex		.BS 1
hLIBBLKDEV		.BS 1
*--------------------------------------
				.DUMMY
				.OR 0
DS.START
VolName			.BS 16
DevName			.BS 4
bCANCEL			.BS 1
bLL				.BS 1
DS.END
				.ED
*--------------------------------------
MAN
SAVE /A2OSX.SRC/BIN/FORMAT.S
ASM