A2osX/BIN/LSOF.S.txt

NEW
  AUTO 3,1
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF bin/lsof
*--------------------------------------
				.INB inc/macros.i
				.INB inc/mli.i
				.INB inc/a2osx.i
				.INB inc/kernel.i
*--------------------------------------
ZPFDPtr			.EQ ZPBIN
FILE.ID			.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		CS
				.DA DS.END-DS.START		DS
				.DA #16					SS
				.DA #4					ZP
				.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1				.DA CS.INIT
				.DA CS.RUN
				.DA CS.EVENT		
				.DA	CS.QUIT
L.MSG0			.DA MSG0
L.MSG1			.DA MSG1
L.FD.T			.DA FD.T.REG
				.DA FD.T.DIR
				.DA FD.T.CDEV
				.DA FD.T.BDEV
				.DA FD.T.LNK
				.DA FD.T.DSOCK
				.DA FD.T.SSOCK
				.DA FD.T.PIPE
				.DA 0
*--------------------------------------
CS.INIT			clc
				rts
*--------------------------------------
CS.RUN			>LDYA L.MSG0
				>SYSCALL PutS

				ldx #1
				stx FILE.ID

.1				lda OF.Table.hFD-1,x
				beq .7

				>SYSCALL GetMemPtr
				>STYA ZPFDPtr
				
				>PUSHW L.MSG1
				
				lda FILE.ID
				tax
				>PUSHA
				lda OF.Table.hFD-1,x
				>PUSHA

				ldx FILE.ID
				lda OF.Table.hPath-1,x
				bne .2

				lda OF.Table.hFD-1,x
				tax

				lda Dev.Table-1,x
				sta ZPFDPtr
				clc
				adc #S.FD.DEV
				tay
				lda Dev.Table,x
				sta ZPFDPtr+1
				adc /S.FD.DEV

				bra .3
				
.2				>SYSCALL GetMemPtr

.3				pha
				lda (ZPFDPtr)
				tax
				>PUSHW L.FD.T,x
				pla

				>PUSHYA

				>PUSHBI 6
				
				>SYSCALL PrintF
				
.7				inc FILE.ID
				ldx FILE.ID
				cpx #K.OF.MAX+1
				bne .1

.8				lda #0
				sec
.9				rts
*--------------------------------------
CS.EVENT		sec
				rts
*--------------------------------------
CS.QUIT			clc
				rts
*--------------------------------------
CS.END
MSG0			.AZ "hFILE hFD Type  Filepath"
MSG1			.AZ "%3d   %3d %5s %s\r\n"
FD.T.REG		.AZ "REG"
FD.T.DIR		.AZ "DIR"
FD.T.CDEV		.AZ "CDEV"
FD.T.BDEV		.AZ "BDEV"
FD.T.LNK		.AZ "LNK"
FD.T.DSOCK		.AZ "DSOCK"
FD.T.SSOCK		.AZ "SSOCK"
FD.T.PIPE		.AZ "PIPE"
*--------------------------------------
				.DUMMY
				.OR 0
DS.START
DS.END  		.ED
*--------------------------------------
MAN
SAVE usr/src/bin/lsof.s
ASM