A2osX/BIN/LSOF.S.txt
2019-02-27 15:00:56 +00:00

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NEW
PREFIX
AUTO 4,1
.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 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
lda #1
>STA.G FILE.ID
.1 tax
lda OF.Table.hFD-1,x
beq .7
>SYSCALL GetMemPtr
>STYA ZPFDPtr
>LDA.G FILE.ID
tax
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 >PUSHYA
lda (ZPFDPtr)
tax
>PUSHW L.FD.T,x
>LDA.G FILE.ID
tax
lda OF.Table.hFD-1,x
>PUSHA
txa
>PUSHA
>PUSHBI 6
>LDYA L.MSG1
>SYSCALL printf
.7 >INC.G FILE.ID
cmp #K.OF.MAX+1
bne .1
.8 lda #0 tell TSKMGR that all done ok, but
sec we do not want to stay in memory
.9 rts
*--------------------------------------
CS.EVENT sec
rts
*--------------------------------------
CS.QUIT clc
rts
*--------------------------------------
CS.END
MSG0 .AZ "hFILE hFD Type Filepath"
MSG1 .AZ "%03d $%h %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
FILE.ID .BS 1
DS.END
.ED
*--------------------------------------
MAN
SAVE USR/SRC/BIN/LSOF.S
ASM