A2osX/BIN/LS.S.txt

PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF /A2OSX.BOOT/BIN/LS
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/A2OSX.I
				.INB INC/LIBSTR.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.LIBSTR		.DA LIBSTR
L.MSG.VOL		.DA MSG.VOL
L.MSG.DIR		.DA MSG.DIR
L.MSG.FILE		.DA MSG.FILE
L.PRODOS.FT.TXT	.DA PRODOS.FT.TXT
				.DA 0
*--------------------------------------
CS.INIT			>LDYA L.LIBSTR
				>SYSCALL SYS.LoadLibYA
				sta hLIBSTR
				
				>SYSCALL SYS.GetArgC
				cmp #1
				bne .1

				ldy #S.PS.hPREFIX
				lda (pPs),y
				>SYSCALL SYS.GetMemPtrA
				>SYSCALL SYS.NewPStrYA	no arg, go get current prefix
				stx hFullPath
				bra .2
				
.1				lda #1
				>SYSCALL SYS.GetArgA

				>SYSCALL SYS.GetFullPathYA
				stx hFullPath
				
.2				>SYSCALL SYS.OPENDIRYA
				bcs .99
				ldy #hDIR
				sta (pData),y

				jsr .99
				
				lda (pPs)
				ora #S.PS.F.EVENT		Now accept events
				sta (pPs)
				
				clc
				rts
				
.99				pha
				lda hFullPath
				>SYSCALL SYS.FreeMemA
				pla
				sec
				rts
*--------------------------------------
CS.RUN			ldy #bCANCEL
				lda (pData),y
				beq .1
				sec
				rts
				
.1				ldy #bSTOP
				lda (pData),y
				beq .2
				clc
				rts
				
.2				ldy #hDIR
				lda (pData),y
				>SYSCALL SYS.READDIRA
				bcc .20
				rts
				
.20				phx						Save hDIRENT
				>STYA ZPPtr1
				
.3				lda (ZPPtr1)
			
				beq .8
				
				lda ZPPtr1
				sec
				adc (ZPPtr1)
				sta ZPPtr2
				lda ZPPtr1+1
				adc #0
				sta ZPPtr2+1
				
				ldy #S.STAT.PRODOS.TYPE
				lda (ZPPtr2),y
				cmp #$0F				Directory ?
				bne .31

				>PUSHW ZPPtr1
				>LDYA L.MSG.DIR
				>SYSCALL SYS.PrintFYA
				bra .7
				
.31				ldy #S.STAT.PRODOS.AUXTYPE+1
				lda (ZPPtr2),y
				>PUSHA
				dey
				lda (ZPPtr2),y
				>PUSHA
				
				dey
				lda (ZPPtr2),y
				jsr FileType2PSTR
				>PUSHYA
				
				>PUSHW ZPPtr1
				>LDYA L.MSG.FILE
				>SYSCALL SYS.PrintFYA
				
.7				lda ZPPtr2
				clc
				adc #S.STAT
				sta ZPPtr1
				lda ZPPtr2+1
				adc #0
				sta ZPPtr1+1
				bra .3
				
.8				pla
				>SYSCALL SYS.FreeMemA
				clc
				rts
*--------------------------------------
CS.DOEVENT		ldy #S.EVT.hDEV		is Event from active IN device?
				lda (pEvent),y
				ldy #S.PS.hINDEV
				cmp (pPs),y
				bne .9

				lda (pEvent)
				and #S.EVT.F.KEY		is it a KEY event?
				beq .9

				ldy #S.EVT.DATAHI		is it an O or SAPPLE key ?
				lda (pEvent),y
				bne	.9

				ldy #S.EVT.DATALO	
				lda (pEvent),y
				cmp #$03				Ctrl-C
				bne .1

				lda #$FF
				ldy #bCANCEL
				sta (pData),y
				bra .8
				
.1				cmp #$13				Ctrl-S
				bne .8
				
				ldy #bSTOP
				lda (pData),y
				eor #$FF
				sta (pData),y

.8				clc
				rts
				
.9				sec
				rts
*--------------------------------------
CS.QUIT			ldy #hDIR
				lda (pData),y
				
				>SYSCALL SYS.CLOSEDIRA
				
				ldy #hDIRPATH
				lda (pData),y
				beq .3
				>SYSCALL SYS.FreeMemA
				
.3				lda hLIBSTR
				>SYSCALL SYS.UnloadLibA
				
				clc
				rts
*--------------------------------------
FileType2PSTR	ldy #0
								
.1				cmp PRODOS.FT.HEX,y
				beq .3
				
.2				iny
				cpy #PRODOS.FT.TXT-PRODOS.FT.TXT
				bne .1
				
				pha
				lsr
				lsr
				lsr
				lsr
				tax
				lda HEXDIGIT,x
				sta PRODOS.FT.DFLT+2
				
				pla
				and #$0F
				tax
				lda HEXDIGIT,x
				sta PRODOS.FT.DFLT+3
				
.3				tya				
				asl
				asl						CC
				adc L.PRODOS.FT.TXT
				tay
				lda L.PRODOS.FT.TXT+1
				adc #0
				rts
*--------------------------------------
CS.END
LIBSTR			>PSTRING "libstr.o"
MSG.VOL			>CSTRING "/%S\n"
MSG.DIR			>CSTRING "/%15S  <dir>\n"
MSG.FILE		>CSTRING "%15S %S $%H\n"
*--------------------------------------
PRODOS.FT.HEX	.HS 0406FAFCFDE2FF
PRODOS.FT.TXT	>PSTRING "TXT"
				>PSTRING "BIN"
				>PSTRING "S-C"
				>PSTRING "BAS"
				>PSTRING "VAR"
				>PSTRING "ATK"
				>PSTRING "SYS"
PRODOS.FT.DFLT	>PSTRING "$  "
HEXDIGIT		.AS '0123456789ABCDEF'
hLIBSTR			.BS	1
hFullPath		.BS 1
*--------------------------------------
				.DUMMY
				.OR 0
DS.START
hDIRPATH		.BS 1
hDIR			.BS 1
hVOLHEADER		.BS 1
hDIRHEADER		.BS 1
bSTOP			.BS 1
bCANCEL			.BS 1
DS.END
				.ED
*--------------------------------------
MAN
SAVE BIN/LS.S
ASM