A2osX/BIN/CHTYP.S.txt

PR#3
PREFIX /A2OSX.BUILD
NEW
INC 1
AUTO 6
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF BIN/CHTYP
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/A2OSX.I
				.INB INC/LIBSTR.I
*--------------------------------------
* Main entry point
*--------------------------------------
* Code signature and INIT table
*--------------------------------------
* CLD 			$D8
* JMP (*,x)		$7C
* 				#JMPTABLE
*				/JMPTABLE
*--------------------------------------
CS.START		cld
				jmp (.1,x)
.1				.DA CS.INIT
				.DA CS.RUN
				.DA CS.DOEVENT		
				.DA	CS.QUIT
L.LIB.LIBSTR	.DA LIB.LIBSTR
L.MSG.VOL.HEADER	.DA MSG.VOL.HEADER
L.MSG.DIR.HEADER	.DA MSG.DIR.HEADER
L.MSG.VOL		.DA MSG.VOL
L.MSG.DIR		.DA MSG.DIR
L.MSG.FILE		.DA MSG.FILE
L.MSG.VOL.END	.DA MSG.VOL.END
L.MSG.DIR.END	.DA MSG.DIR.END
L.PRODOS.FT.TXT	.DA PRODOS.FT.TXT
				.DA 0
				.DA CS.END-CS.START		Code Length To Relocate
				.DA DS.END-DS.START		Data Segment to Allocate
*--------------------------------------
CS.INIT			>LIBLOADP L.LIB.LIBSTR
				sta hLIBSTR
				stz hDIRPATH
				stz hS.LISTDIR
				stz hVOLHEADER
				stz hDIRHEADER
				stz bSTOP
				stz bCANCEL
				
				ldy #S.PS.hARGS
				lda (pPsContext),y
				beq .99					no arg, exit with err=0
				
				>PUSHA
				>PUSHBI $20				Push SEP=' '
				>PUSHBI 1				Push 1 for getting First arg
				>SYSCALL SYS.PStrGetTkn
				bcs .99					error, exit with error code
				sta hArg
				
				>SYSCALL SYS.GetMemPtrA
				>STYA ZPQuickPtr1
				lda (ZPQuickPtr1)
				beq .99
				ldy #1
				lda (ZPQuickPtr1),y
				cmp #'$'				is it a TYPE ?
				bne .11


.11				cmp #'/'
				bne .10
				ldy #S.PS.hARGS
				bra .2
				
.10				ldy #S.PS.hARGS
				lda (pPsContext),y
				>PUSHA
				ldy #S.PS.hPREFIX
				lda (pPsContext),y
				>PUSHA
				>SYSCALL SYS.PStrCat
				sta hDIRPATH
				bra .3
				
.1				ldy #S.PS.hPREFIX
.2				lda (pPsContext),y
				
.3				>SYSCALL SYS.ListDirInitA
				bcs .98
				sta hS.LISTDIR
				
				lda (pPsContext)
				ora #S.PS.F.EVENT		Now accept events
				sta (pPsContext)
				clc
				rts
				
.98				pha
				lda hLIBSTR
				>SYSCALL SYS.FreeMemA
				pla
.99				sec
				rts
*--------------------------------------
CS.RUN			lda bCANCEL
				beq .1
				sec
				rts
				
.1				lda bSTOP
				beq .2
				clc
				rts
				
.2				lda hS.LISTDIR
				>SYSCALL SYS.ListDirNextA
				bcc .3
				
				jmp Push.Footer
				
.3				pha
				>SYSCALL SYS.GetMemPtrA
				>STYA ZPQuickPtr1
				lda (ZPQuickPtr1)
				pha
				
				and #$0F
				sta (ZPQuickPtr1)		Adjust Filename len
				
				pla
				and #$F0
				cmp #$F0				Volume ($F) HEADER ?
				bne .31
				
				pla
				sta hVOLHEADER
				>PUSHW ZPQuickPtr1
				>PUSHW L.MSG.VOL.HEADER
				>LIBCALL hLIBSTR,LIBSTR.PRINTF
				clc
				rts
				
.31				cmp #$E0				Dir ($E) HEADER ?
				bne .4
				
				pla
				sta hDIRHEADER

				>PUSHW ZPQuickPtr1
				>PUSHW L.MSG.DIR.HEADER
				>LIBCALL hLIBSTR,LIBSTR.PRINTF
				clc
				rts
				
.4				cmp #$D0				Directory ?
				bne .5
				jsr Push.Dates
				jsr Push.Dir
				>PUSHW L.MSG.DIR
				bra .8
				
.5				cmp #$C0				Volume Name ?
				bne .6

				>PUSHW ZPQuickPtr1
				>PUSHW L.MSG.VOL
				bra .8
				
.6				jsr Push.Dates			File
				jsr Push.File
				>PUSHW L.MSG.FILE
				
.8				>LIBCALL hLIBSTR,LIBSTR.PRINTF

.9				pla
				>SYSCALL SYS.FreeMemA
				clc
				rts
*--------------------------------------
Push.Dir		ldy #$1E				get access mask
				lda (ZPQuickPtr1),y
				>PUSHA
				>PUSHW ZPQuickPtr1
				rts
*--------------------------------------
Push.File		>PUSHBI 0				4th byte of file len=0
				ldy #$17				get file len (3 bytes)
				lda (ZPQuickPtr1),y
				>PUSHA
				dey
				lda (ZPQuickPtr1),y
				>PUSHA
				dey
				lda (ZPQuickPtr1),y
				>PUSHA
				
				ldy #$1E				get access mask
				lda (ZPQuickPtr1),y
				>PUSHA
				
				ldy #$20				get aux type
				lda (ZPQuickPtr1),y
				>PUSHA
				dey
				lda (ZPQuickPtr1),y
				>PUSHA
				
				ldy #$10				get filetype
				
				lda L.PRODOS.FT.TXT
				sta ZPQuickPtr2
				lda L.PRODOS.FT.TXT+1
				sta ZPQuickPtr2+1
				ldx #0
				
.1				lda (ZPQuickPtr1),y
				cmp PRODOS.FT.ID,x
				beq .3
				lda ZPQuickPtr2
				clc
				adc #4
				sta ZPQuickPtr2
				bcc .2
				inc ZPQuickPtr2+1
.2				inx
				cpx PRODOS.FT.COUNT
				bne .1
				
				lda (ZPQuickPtr1),y
				lsr
				lsr
				lsr
				lsr
				tax
				lda HEXDIGIT,x
				sta PRODOS.FT.DFLT+2
				lda (ZPQuickPtr1),y
				and #$0F
				tax
				lda HEXDIGIT,x
				sta PRODOS.FT.DFLT+3
				
.3				>PUSHW ZPQuickPtr2
				>PUSHW ZPQuickPtr1
				>LIBCALL hLIBSTR,LIBSTR.LCASEP
				>PUSHW ZPQuickPtr1
				rts
*--------------------------------------
Push.Dates		ldy #$24				get modification time
				lda (ZPQuickPtr1),y
				>PUSHA
				dey
				lda (ZPQuickPtr1),y
				>PUSHA
				ldy #$22
				lda (ZPQuickPtr1),y
				>PUSHA
				dey
				lda (ZPQuickPtr1),y
				>PUSHA
				ldy #$1B				get creation time
				lda (ZPQuickPtr1),y
				>PUSHA
				dey
				lda (ZPQuickPtr1),y
				>PUSHA
				ldy #$19
				lda (ZPQuickPtr1),y
				>PUSHA
				dey
				lda (ZPQuickPtr1),y
				>PUSHA
				rts					
*--------------------------------------
Push.Footer		lda hVOLHEADER
				beq .20

				>SYSCALL SYS.GetMemPtrA 
				>STYA ZPQuickPtr1
				
				ldy #22					file_count
				lda (ZPQuickPtr1),y
				>PUSHA
				dey
				lda (ZPQuickPtr1),y
				>PUSHA
				
				>PUSHW L.MSG.VOL.END
				>LIBCALL hLIBSTR,LIBSTR.PRINTF
				
.20				lda hDIRHEADER
				beq .21

				>SYSCALL SYS.GetMemPtrA 
				>STYA ZPQuickPtr1

				ldy #22					file_count
				lda (ZPQuickPtr1),y
				>PUSHA
				dey
				lda (ZPQuickPtr1),y
				>PUSHA

				>PUSHW L.MSG.DIR.END
				>LIBCALL hLIBSTR,LIBSTR.PRINTF
				
.21				sec
				rts
*--------------------------------------
CS.DOEVENT		ldy #S.EVT.hDEV		is Event from active IN device?
				lda (pEvent),y
				ldy #S.PS.hINDEV
				cmp (pPsContext),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
				sta bCANCEL
				bra .8
.1				cmp #$13				Ctrl-S
				bne .8
				lda bSTOP
				eor #$FF
				sta bSTOP
.8				>SYSCALL SYS.DestroyEvent
				clc
				rts
				
.9				sec
				rts
*--------------------------------------
CS.QUIT			lda hVOLHEADER
				beq .1
				
				>SYSCALL SYS.FreeMemA
				
.1				lda hDIRHEADER
				beq .2
				
				>SYSCALL SYS.FreeMemA
				
.2				lda hS.LISTDIR
				>SYSCALL SYS.ListDirCloseA
				
				lda hDIRPATH
				beq .3
				>SYSCALL SYS.FreeMemA
				
.3				lda hLIBSTR
				>SYSCALL SYS.UnloadLibA
				
				clc
				rts
*--------------------------------------
CS.END
LIB.LIBSTR		>PSTRING "libstr.o"
MSG.VOL.HEADER	>CSTRING "Volume Listing Of %S\n"
MSG.DIR.HEADER	>CSTRING "Directory Listing Of %S\n"
MSG.VOL			>CSTRING "/%S\n"
MSG.DIR			>CSTRING "/%15S  <dir>   %a          %T %t %T %t\n"
MSG.FILE		>CSTRING "%15S %S $%H %a %8L %T %t %T %t\n"
MSG.VOL.END		>CSTRING "%D Files In Volume.\n"
MSG.DIR.END		>CSTRING "%D Files In Directory.\n"
*--------------------------------------
PRODOS.FT.COUNT	.HS 07
PRODOS.FT.ID	.HS 0406FAFCFDE2FF
PRODOS.FT.TXT	
T04				>PSTRING "TXT"
T06				>PSTRING "BIN"
TFA				>PSTRING "S-C"
TFC				>PSTRING "BAS"
TFD				>PSTRING "VAR"
TE2				>PSTRING "ATK"
TFF				>PSTRING "SYS"
PRODOS.FT.DFLT	>PSTRING "$  "
HEXDIGIT		.AS '0123456789ABCDEF'
*--------------------------------------
DS.START
hLIBSTR			.BS	1
hDIRPATH		.BS 1
hS.LISTDIR		.BS 1
hVOLHEADER		.BS 1
hDIRHEADER		.BS 1
bSTOP			.BS 1
bCANCEL			.BS 1
DS.END
*--------------------------------------
MAN
SAVE BIN/CHTYP.S
ASM