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gno/bin/gsh/builtin.asm

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************************************************************************
*
* The GNO Shell Project
*
* Developed by:
* Jawaid Bazyar
* Tim Meekins
*
**************************************************************************
*
* BUILTIN.ASM
* By Tim Meekins
*
* Builtin command searching and execution.
*
**************************************************************************
keep o/builtin
mcopy m/builtin.mac
p_next gequ 0 ;next in global proclist
p_friends gequ p_next+4 ;next in job list
p_flags gequ p_friends+4 ;various job status flags
p_reason gequ p_flags+2 ;reason for entering this state
p_index gequ p_reason+2 ;job index
p_pid gequ p_index+2 ;process id
p_jobid gequ p_pid+2 ;process id of job leader
p_command gequ p_jobid+2 ;command (how job invoked)
p_space gequ p_command+4 ;space for structure
**************************************************************************
*
* Find a builtin command
*
**************************************************************************
builtin START
using BuiltinData
val equ 1
file equ val+2
tbl equ file+4
space equ tbl+4
argv equ space+3
argc equ argv+4
end equ argc+2
; subroutine (2:argc,4:argv),space
tsc
sec
sbc #space-1
tcs
phd
tcd
ldy #2
lda [argv]
sta file
lda [argv],y
sta file+2
ld4 builtintbl,tbl
ld2 -1,val
lda argc
jeq done
loop ldy #2
lda [tbl]
ora [tbl],y
beq done
lda [tbl],y
pha
lda [tbl]
pha
pei (file+2)
pei (file)
jsr cmpcstr
beq foundit
bpl done
add2 tbl,#10,tbl
bra loop
foundit ldy #4
lda [tbl],y
sta ourproc+1
iny
lda [tbl],y
sta ourproc+2
pei (argv+2)
pei (argv)
pei (argc)
ourproc jsl >$FFFFFF ;might want to mutex this!!!!!!
sta val
pei (argc)
pei (argv+2)
pei (argv)
jsl argfree
done ldy val
lda space
sta end-3
lda space+1
sta end-2
pld
tsc
clc
adc #end-4
tcs
tya
rtl
END
**************************************************************************
*
* Is it a built-in?
*
**************************************************************************
IsBuiltin START
using BuiltinData
tbl equ 0
space equ tbl+4
subroutine (4:name),space
ld4 builtintbl,tbl
builtinloop ldy #2
lda [tbl]
ora [tbl],y
beq nofile
lda [tbl],y
pha
lda [tbl]
pha
pei (name+2)
pei (name)
jsr cmpcstr
beq foundit
bpl nofile
add2 tbl,#10,tbl
bra builtinloop
foundit ldy #8
lda [tbl],y
bra foundbuiltin
nofile lda #-1
foundbuiltin sta tbl
return 2:tbl
END
**************************************************************************
*
* Builtin data
*
**************************************************************************
BuiltinData DATA
;
; First address is a pointer to the name, the second is a pointer to the
; command. MUST BE SORTED.
;
builtintbl dc a4'aliasname,alias',i2'0'
dc a4'bgname,bg',i2'1'
dc a4'bindkeyname,bindkey',i2'0'
dc a4'cdname,cd',i2'1'
dc a4'chdirname,chdir',i2'1'
dc a4'clearname,clear',i2'0'
dc a4'cmdname,cmdbi',i2'0'
dc a4'dfname,df',i2'0'
dc a4'dirsname,dirs',i2'0'
dc a4'echoname,echo',i2'0'
dc a4'editname,edit',i2'1'
dc a4'exitname,exit',i2'1'
dc a4'exportname,export',i2'1'
dc a4'fgname,fg',i2'1'
dc a4'hashname,hashbi',i2'0'
dc a4'hname,PrintHistory',i2'0'
dc a4'jobsname,jobs',i2'1'
dc a4'killname,kill',i2'1'
dc a4'popdname,popd',i2'1'
dc a4'pfxname,prefix',i2'1'
dc a4'psname,psbi',i2'0'
dc a4'pushdname,pushd',i2'1'
dc a4'pwdname,pwd',i2'1'
dc a4'rehashname,rehash',i2'1'
dc a4'setname,set',i2'0'
dc a4'setbugname,setdebug',i2'0'
dc a4'setenvname,setenv',i2'0'
dc a4'sourcename,source',i2'0'
dc a4'stopname,stop',i2'1'
dc a4'tsetname,tset',i2'1'
dc a4'unaliasname,unalias',i2'1'
dc a4'unhashname,unhash',i2'1'
dc a4'unsetname,unset',i2'1'
dc a4'whichname,which',i2'0'
dc i4'0,0'
aliasname dc c'alias',h'00'
bgname dc c'bg',h'00'
bindkeyname dc c'bindkey',h'00'
chdirname dc c'chdir',h'00'
cdname dc c'cd',h'00'
clearname dc c'clear',h'00'
cmdname dc c'commands',h'00'
dirsname dc c'dirs',h'00'
dfname dc c'df',h'00'
echoname dc c'echo',h'00'
editname dc c'edit',h'00'
exitname dc c'exit',h'00'
exportname dc c'export',h'00'
fgname dc c'fg',h'00'
hashname dc c'hash',h'00'
hname dc c'history',h'00'
jobsname dc c'jobs',h'00'
killname dc c'kill',h'00'
pfxname dc c'prefix',h'00'
popdname dc c'popd',h'00'
psname dc c'ps',h'00'
pushdname dc c'pushd',h'00'
pwdname dc c'pwd',h'00'
rehashname dc c'rehash',h'00'
setbugname dc c'setdebug',h'00'
setname dc c'set',h'00'
setenvname dc c'setenv',h'00'
sourcename dc c'source',h'00'
stopname dc c'stop',h'00'
tsetname dc c'tset',h'00'
unaliasname dc c'unalias',h'00'
unhashname dc c'unhash',h'00'
unsetname dc c'unset',h'00'
whichname dc c'which',h'00'
END
**************************************************************************
*
* CD: builtin command
* syntax: cd [pathname]
*
* Changes the current prefix to pathname. If no pathname then set to $HOME
*
**************************************************************************
cd START
chdir ENTRY
dir equ 1
space equ dir+4
argc equ space+3
argv equ argc+2
end equ argv+4
; subroutine (4:argv,2:argc),space
tsc
sec
sbc #space-1
tcs
phd
tcd
lock cdmutex
lda argc
dec a
beq cdhome
dec a
jeq normalcd
showusage lda [argv]
tax
ldy #2
lda [argv],y
stx argv
sta argv+2
lda [argv],y
and #$FF
beq cdusage
ldx #^Usage2
lda #Usage2
jsr errputs
jmp exit
cdusage ldx #^Usage
lda #Usage
jsr errputs
jmp exit
;
; set prefix to home
;
cdhome jsl alloc256
sta dir
stx dir+2
sta ReadName
stx ReadName+2
ora ReadName+2
bne madeit
lda #$201
jmp ohshit
madeit Read_Variable ReadVar
lda [dir]
and #$FF
beq nohome
ph4 ReadName
jsr p2cstr
sta dir
stx dir+2
ph4 @xa
lda ReadName
ldx ReadName+2
jsl free256
pl4 ReadName
bra setprefix
nohome ldx dir+2
lda dir
jsl free256
jmp exit
;
; set prefix to specified path
;
normalcd stz ReadName
stz ReadName+2
ldy #4
lda [argv],y
sta dir
iny2
lda [argv],y
sta dir+2
lda [dir]
and #$FF
if2 @a,ne,#'-',setprefix
jmp showusage
setprefix pei (dir+2)
pei (dir)
jsr c2gsstr
sta PRecPath
sta GRecPath
stx PRecPath+2
stx GRecPath+2
GetFileInfo GRec
bcc ok
ohshit sta Err
Error Err
bra done
ok if2 GRecFT,eq,#$F,ok2
ldx dir+2
lda dir
jsr errputs
ldx #^direrr
lda #direrr
jsr errputs
bra done
ok2 SetPrefix PRec
bcs ohshit
done ph4 PRecPath
jsl nullfree
ora2 ReadName,ReadName+2,@a
beq whoaboy
ph4 ReadName
jsl nullfree
whoaboy anop
exit unlock cdmutex
lda space
sta end-3
lda space+1
sta end-2
pld
tsc
clc
adc #end-4
tcs
lda #0
rtl
cdmutex key
PRec dc i'2'
PRecNum dc i'0'
PRecPath ds 4
GRec dc i'3'
GRecPath ds 4
GRecAcc ds 2
GRecFT ds 2
ReadVar dc a4'home'
ReadName ds 4
home str 'home'
Err ds 2
Usage dc c'Usage: cd [pathname]',h'0d00'
Usage2 dc c'Usage: chdir [pathname]',h'0d00'
dirErr dc c': Not a directory',h'0d00'
END
**************************************************************************
*
* CLEAR: builtin command
* syntax: clear
*
* clears the screen
*
**************************************************************************
clear START
space equ 1
argc equ space+3
argv equ argc+2
end equ argv+4
; subroutine (4:argv,2:argc),space
tsc
phd
tcd
lda argc
dec a
beq clearit
ldx #^Usage
lda #Usage
jsr errputs
bra exit
clearit jsr clearscrn
jsr flush
exit lda space
sta end-3
lda space+1
sta end-2
pld
tsc
clc
adc #end-4
tcs
lda #0
rtl
Usage dc c'Usage: clear',h'0d00'
END
**************************************************************************
*
* ECHO: builtin command
* syntax: echo [-n] [text][...]
*
* Echo displays to stdout what is on the command (except -n).
*
* If '-n' specified then don't print newline.
*
**************************************************************************
echo START
val equ 1
nl equ val+2
ptr equ nl+2
space equ ptr+4
argc equ space+3
argv equ argc+2
end equ argv+4
; subroutine (4:argv,2:argc),space
tsc
sec
sbc #space-1
tcs
phd
tcd
stz nl
if2 argc,lt,#2,loop
ldy #4
lda [argv],y
sta ptr
iny2
lda [argv],y
sta ptr+2
ldy #1
lda [ptr]
and #$FF
if2 @a,ne,#'-',loop
lda [ptr],y
and #$FF
if2 @a,ne,#'n',showusage
iny
lda [ptr],y
and #$FF
bne showusage
inc nl
add2 argv,#4,argv
dec argc
bra loop
showusage ldx #^Usage
lda #Usage
jsr errputs
jmp exit
loop add2 argv,#4,argv
dec argc
jeq done
ldy #2
lda [argv],y
sta ptr+2
lda [argv]
sta ptr
putloop lda [ptr]
and #$FF
cmp #0
jeq doneput
cmp #'\'
jne putit
inc ptr
lda [ptr]
and #$FF
jeq doneput
if2 @a,ne,#'b',esc02
ldx #1
jsr moveleft
bra didit
esc02 if2 @a,ne,#'f',esc03
jsr clearscrn
bra didit
esc03 if2 @a,ne,#'n',esc04
lda #13
bra putit
esc04 if2 @a,ne,#'r',esc05
lda #13
bra putit
esc05 if2 @a,ne,#'t',esc06
lda #9
bra putit
esc06 if2 @a,ne,#'0',putit
stz val
ldy #1
escloop lda [ptr],y
and #$FF
beq putval
if2 @a,cc,#'0',putval
if2 @a,cs,#'9'+1,putval
sub2 @a,#'0',@a
pha
lda val
asl2 a
adc val
asl a
adc 1,s
sta val
pla
inc ptr
bra escloop
putval lda val
putit jsr putchar
didit inc ptr
jmp putloop
doneput lda #' '
jsr putchar
jmp loop
done lda nl
bne exit
jsr newline
exit jsr flush
lda space
sta end-3
lda space+1
sta end-2
pld
tsc
clc
adc #end-4
tcs
lda #0
rtl
Usage dc c'Usage: echo [-n] [strings...]',h'0d00'
END
**************************************************************************
*
* PWD: builtin command
* syntax: pwd
*
* print the working directory.
*
**************************************************************************
pwd START
ptr equ 1
space equ ptr+4
argc equ space+3
argv equ argc+2
end equ argv+4
; subroutine (4:argv,2:argc),space
tsc
sec
sbc #space-1
tcs
phd
tcd
lda argc
dec a
beq wait
ldx #^Usage
lda #Usage
jsr errputs
bra exit
wait lock pwdmutex
jsl alloc256
sta gpptr
stx gpptr+2
sta ptr
stx ptr+2
lda #256
sta [ptr]
GetPrefix gpparm
bcc ok
awshit sta err
Error err
bra done
ok ldy #2
lda [ptr],y
xba
sta [ptr],y
ldx ptr+2
lda ptr
clc
adc #3
jsr putp
jsr newline
done ldx ptr+2
lda ptr
jsl free256
unlock pwdmutex
exit lda space
sta end-3
lda space+1
sta end-2
pld
tsc
clc
adc #end-4
tcs
lda #0
rtl
pwdmutex key
gpparm dc i'2'
dc i'0'
gpptr ds 4
err ds 2
Usage dc c'Usage: pwd',h'0d00'
END
**************************************************************************
*
* WHICH: builtin command
* syntax: which [command ...]
*
* displays the location of command
*
**************************************************************************
which START
using hashdata
ptr equ 1
file equ ptr+4
space equ file+4
argc equ space+3
argv equ argc+2
end equ argv+4
; subroutine (4:argv,2:argc),space
tsc
sec
sbc #space-1
tcs
phd
tcd
;
; display usage if no arguments given
;
if2 argc,ge,#2,loop
ldx #^whicherr
lda #whicherr
jsr errputs
jmp exit
;
; loop through each argument
;
loop add2 argv,#4,argv
dec argc
jeq exit
lda [argv]
sta file
ldy #2
lda [argv],y
sta file+2
;
; see if it's an alias
;
pei (file+2)
pei (file)
jsl findalias
sta ptr
stx ptr+2
ora ptr+2
beq chkbuiltin
ldx #^aliasstr
lda #aliasstr
jsr puts
ldx ptr+2
lda ptr
jsr puts
jmp nextarg
;
; was it a built-in?
;
chkbuiltin pei (file+2)
pei (file)
jsl IsBuiltin
cmp #-1
beq tryhash
foundbuiltin ldx #^builtstr
lda #builtstr
jsr puts
jmp nextarg
;
; See if it was hashed
;
tryhash pei (file+2)
pei (file)
ph4 hash_table
ph4 #hash_paths
jsl search
cmp #0
bne foundhash
cpx #0
beq thispfx
;
; It was hashed, so say so.
;
foundhash jsr puts
jmp nextarg
;
; It must be in the current prefix, so check it out.
;
thispfx lock pwdmutex
;
; check for existence of file
;
pei (file+2)
pei (file)
jsr c2gsstr
sta GRecPath
stx GRecPath+2
sta ptr
stx ptr+2
GetFileInfo GRec
bcs nofile
;
; we found the file, so display the cwd
;
showcwd pei (ptr+2)
pei (ptr)
jsl nullfree
jsl alloc256
sta ptr
stx ptr+2
sta gpptr
stx gpptr+2
lda #256
sta [ptr]
GetPrefix gpparm
ldy #2
lda [ptr],y
xba
sta [ptr],y
ldx ptr+2
add2 ptr,#3,@a
jsr putp
ldx file+2
lda file
jsr puts
ldx ptr+2
lda ptr
jsl free256
stz ptr
stz ptr+2
bra donecwd
;
; No such command
;
nofile ldx #^cantdoit
lda #cantdoit
jsr puts
donecwd unlock pwdmutex
pei (ptr+2)
pei (ptr)
jsl nullfree
;
; Go try the next file.
;
nextarg jsr newline
jmp loop
exit lda space
sta end-3
lda space+1
sta end-2
pld
tsc
clc
adc #end-4
tcs
lda #0
rtl
whicherr dc c'Usage: which [file ...]',h'0d00'
builtstr dc c'Shell Built-in Command',h'00'
cantdoit dc c'Command Not Found',h'00'
aliasstr dc c'Aliased as ',h'00'
pwdmutex key
gpparm dc i'2'
dc i'0'
gpptr ds 4
GRec dc i'4'
GRecPath ds 4
ds 2
GRecFileType ds 2
GRecAuxType ds 4
END
**************************************************************************
*
* PREFIX: builtin command
* syntax: prefix [num [prefix]]
*
* sets prefix number num to prefix
*
**************************************************************************
prefix START
dir equ 1
numstr equ dir+4
space equ numstr+4
argc equ space+3
argv equ argc+2
end equ argv+4
; subroutine (4:argv,2:argc),space
tsc
sec
sbc #space-1
tcs
phd
tcd
lock mutex
lda argc
dec a
beq showall
dec a
jeq showone
dec a
jeq setprefix
ldx #^usage
lda #usage
jsr errputs
jmp done
showall jsl alloc256
sta PRecPath
stx PRecPath+2
sta dir
stx dir+2
lda #254
sta [dir]
ld2 1,PRecNum
GetBootVol PRecNum
jcs awshit
ldx #^bootstr
lda #bootstr
jsr puts
ldy #2
lda [dir],y
xba
sta [dir],y
ldx dir+2
lda dir
inc2 a
inc a
jsr putp
jsr newline
stz PRecNum
allloop GetPrefix PRec
jcs awshit
ldy #2
lda [dir],y
beq nextall
xba
sta [dir],y
Int2Dec (PRecNum,#pfxstr,#2,#0)
ldx #^pfxstr
lda #pfxstr
jsr puts
ldx dir+2
lda dir
inc2 a
inc a
jsr putp
jsr newline
nextall inc PRecNum
if2 PRecNum,cc,#32,allloop
jmp finish
showone ldy #6
lda [argv],y
sta numstr+2
pha
dey2
lda [argv],y
sta numstr
pha
jsr cstrlen
tax
Dec2Int (numstr,@x,#0),PRecNum
jsl alloc256
sta PRecPath
stx PRecPath+2
sta dir
stx dir+2
lda #254
sta [dir]
GetPrefix PRec
bcs awshit
ldy #2
lda [dir],y
xba
sta [dir],y
ldx dir+2
lda dir
inc2 a
inc a
jsr putp
jsr newline
lda PRecPath
ldx PRecPath+2
jsl free256
bra done
setprefix ldy #6
lda [argv],y
sta numstr+2
pha
dey2
lda [argv],y
sta numstr
pha
jsr cstrlen
tax
Dec2Int (numstr,@x,#0),PRecNum
ldy #2*4+2
lda [argv],y
pha
dey2
lda [argv],y
pha
jsr c2gsstr
sta PRecPath
sta GRecPath
stx PRecPath+2
stx GRecPath+2
GetFileInfo GRec
bcc okay
awshit ldx #^errorstr
lda #errorstr
jsr errputs
bra finish
okay SetPrefix PRec
bcs awshit
finish ph4 PRecPath
jsl nullfree
done unlock mutex
lda space
sta end-3
lda space+1
sta end-2
pld
tsc
clc
adc #end-4
tcs
lda #0
rtl
mutex key
errorstr dc c'prefix: could not set prefix, pathname may not exist.'
dc h'0d00'
usage dc c'Usage: prefix prefixnum prefixname',h'0d00'
bootstr dc c' *: ',h'00'
pfxstr dc c'00: ',h'00'
PRec dc i'2'
PRecNum dc i'0'
PRecPath ds 4
GRec dc i'2'
GRecPath ds 4
GRecAcc ds 2
END
**************************************************************************
*
* REHASH: builtin command
* syntax: rehash
*
* rehashes the path
*
**************************************************************************
*
* UNHASH: builtin command
* syntax: unhash
*
* turns off command hashing
*
**************************************************************************
rehash START
unhash ENTRY
space equ 1
argc equ space+3
argv equ argc+2
end equ argv+4
tsc
phd
tcd
lda argc
dec a
beq doit
ldx #^Usage
lda #Usage
jsr errputs
ldy #2
lda [argv],y
tax
lda [argv]
jsr errputs
lda #13
jsr errputchar
bra exit
doit jsr dispose_hash ;remove old table
lda [argv]
tax
ldy #2
lda [argv],y
sta argv+2
stx argv
lda [argv]
and #$FF
jsr tolower
if2 @a,eq,#'u',exit ;if 'rehash' do the hashing.
jsl hashpath ;hash the path
exit lda space
sta end-3
lda space+1
sta end-2
pld
tsc
clc
adc #end-4
tcs
lda #0
rtl
Usage dc c'Usage: ',h'00'
END
**************************************************************************
*
* DF: builtin command
* syntax: df
*
* displays volumes and free space
*
**************************************************************************
df START
using FSTData
space equ 1
argc equ space+3
argv equ argc+2
end equ argv+4
tsc
phd
tcd
lock mutex
lda argc
dec a
beq showall
ldx #^Usage
lda #Usage
jsr errputs
bra exit
showall ldx #^hdr
lda #hdr
jsr puts
ld2 1,DIDevNum
allloop DInfo DIParm
bcs exit
jsr showdev
inc DIDevNum
bra allloop
exit unlock mutex
lda space
sta end-3
lda space+1
sta end-2
pld
tsc
clc
adc #end-4
tcs
lda #0
rtl
showdev lda #'.'
jsr putchar
lda #'d'
jsr putchar
lda DIdevnum
cmp #10
bcs dev10
clc
adc #'0'
jsr putchar
lda #' '
jsr putchar
bra endnum
dev10 UDivide (DIdevnum,#10),(@a,@x)
phx
clc
adc #'0'
jsr putchar
pla
clc
adc #'0'
jsr putchar
endnum lda #' '
jsr putchar
Volume VolParm
jcc okdev
lda DIid
cmp #$20
bcc okdid
lda #0
okdid asl2 a
tay
ldx idtbl+2,y
lda idtbl,y
jsr puts
short a
ldy devname
lda #' '
dev5 cpy #17
bcs dev6
sta devname+2,y
iny
bra dev5
dev6 lda #16
sta devname+1
long a
ldx #^devname+1
lda #devname+1
jsr putp
lda #' '
jsr putchar
jmp newline
okdev ldy volname
short a
lda #' '
dev1 cpy #17
bcs dev2
sta volname+2,y
iny
bra dev1
dev2 lda #16
sta volname+1
ldy devname
lda #' '
dev3 cpy #17
bcs dev4
sta devname+2,y
iny
bra dev3
dev4 lda #16
sta devname+1
long a
ldx #^volname+1
lda #volname+1
jsr putp
lda #' '
jsr putchar
ldx #^devname+1
lda #devname+1
jsr putp
lda #' '
jsr putchar
Long2Dec (VolFree,#numbuf,#7,#0)
ldx #^numbuf
lda #numbuf
jsr puts
Long2Dec (VolTot,#numbuf,#7,#0)
ldx #^numbuf
lda #numbuf
jsr puts
;
; [(total - free) * 100] / total
;
lda VolFree
ora VolFree+2
beq put100
clc ;why clc, need to investigate :)
lda VolTot
sbc VolFree
tax
lda VolTot+2
sbc VolFree+2
LongMul (@ax,#100),(@ax,@y)
LongDivide (@xa,VolTot),(@ax,@y)
Long2Dec (@xa,#capbuf+3,#3,#0)
ldx #^capbuf
lda #capbuf
jsr puts
bra putsys
put100 ldx #^cap100buf
lda #cap100buf
jsr puts
putsys lda VolSysID
cmp #$E
bcc oksys
lda #0
oksys asl2 a
tay
ldx FSTtable+2,y
lda FSTtable,y
jsr puts
jmp newline
hdr dc c'.d## Volume Device Free Total Capacity System',h'0d'
dc c'---- ---------------- ---------------- ------- ------- -------- -----------',h'0d00'
Usage dc c'Usage: df',h'0d00'
numbuf dc c' ',h'00'
capbuf dc c' % ',h'00'
cap100buf dc c' 100% ',h'00'
mutex key
DIParm dc i2'8'
DIDevNum ds 2
dc a4'devbuf'
dc i2'0'
dc i4'0'
dc i2'0'
dc i2'0'
dc i2'0'
DIid dc i2'0'
VolParm dc i2'5'
dc a4'devname'
dc a4'volbuf'
VolTot ds 4
VolFree ds 4
VolSysID ds 2
devbuf dc i'35'
devname ds 33
volbuf dc i'260'
volname ds 258
idtbl dc a4'id00,id01,id02,id03,id04,id05,id06,id07,id08'
dc a4'id09,id0a,id0b,id0c,id0d,id0e,id0f,id10,idff'
dc a4'id12,id13,id14,id15,id16,id17,id18,id19,id1a'
dc a4'id1b,id1c,id1d,id1e,id1f'
dc a4'idff'
idff dc c'<unknown> ',h'00'
id00 dc c'Apple 5.25 Drive ',h'00'
id01 dc c'Profile 5MB ',h'00'
id02 dc c'Profile 10MB ',h'00'
id03 dc c'Apple 3.5 Drive ',h'00'
id04 dc c'SCSI ',h'00'
id05 dc c'SCSI Hard Drive ',h'00'
id06 dc c'SCSI Tape Drive ',h'00'
id07 dc c'SCSI CD-ROM ',h'00'
id08 dc c'SCSI Printer ',h'00'
id09 dc c'Serial Modem ',h'00'
id0a dc c'Console Driver ',h'00'
id0b dc c'Serial Printer ',h'00'
id0c dc c'Serial LaserWrit ',h'00'
id0d dc c'AppleTalk LaserW ',h'00'
id0e dc c'RAM Disk ',h'00'
id0f dc c'ROM Disk ',h'00'
id10 dc c'File Server ',h'00'
id12 dc c'Apple Desktop Bu ',h'00'
id13 dc c'Hard Drive ',h'00'
id14 dc c'Floppy Drive ',h'00'
id15 dc c'Tape Drive ',h'00'
id16 dc c'Character dev dr ',h'00'
id17 dc c'MFM-encoded ',h'00'
id18 dc c'AppleTalk net ',h'00'
id19 dc c'Sequential dev ',h'00'
id1a dc c'SCSI Scanner ',h'00'
id1b dc c'Scanner ',h'00'
id1c dc c'LaserWriter SC ',h'00'
id1d dc c'AppleTalk Main ',h'00'
id1e dc c'AppleTalk fsd ',h'00'
id1f dc c'AppleTalk RPM ',h'00'
END
**************************************************************************
*
* FST descriptions
*
**************************************************************************
FSTData DATA
FSTtable dc a4'fst0,fst1,fst2,fst3,fst4,fst5,fst6,fst7,fst8'
dc a4'fst0,fsta,fstb,fstc,fstd'
fst0 dc c'[Unknown]',h'00'
fst1 dc c'ProDOS',h'00'
fst2 dc c'DOS 3.3',h'00'
fst3 dc c'DOS 3.2',h'00'
fst4 dc c'Pascal',h'00'
fst5 dc c'MFS',h'00'
fst6 dc c'HFS',h'00'
fst7 dc c'Lisa (get real)',h'00'
fst8 dc c'CP/M',h'00'
fsta dc c'MS-DOS',h'00'
fstb dc c'High Sierra',h'00'
fstc dc c'ISO 9660',h'00'
fstd dc c'AppleShare',h'00'
END
**************************************************************************
*
* EXIT: builtin command
* syntax: exit
*
* exit gsh
*
**************************************************************************
exit START
using global
space equ 0
subroutine (4:argv,2:argc),space
inc exitamundo
return
END
**************************************************************************
*
* SETDEBUG: builtin command
* syntax: setdebug (val | [+|-]flag)
*
* sets debugging in kernel
*
**************************************************************************
setdebug START
arg equ 0
newdebug equ arg+4
mode equ newdebug+2
space equ mode+2
subroutine (4:argv,2:argc),space
lda argc
dec a
bne ok
showusage ldx #^usage
lda #usage
jsr errputs
jmp return
ok stz mode
mv2 globaldebug,newdebug
dec argc
add2 argv,#4,argv
loop lda [argv]
sta arg
ldy #2
lda [argv],y
sta arg+2
lda [arg]
and #$FF
if2 @a,eq,#'-',turnoff
if2 @a,eq,#'+',turnon
ldx mode
bne showusage
ldx argc
dex
bne showusage
if2 @a,cc,#'0',showusage
if2 @a,cs,#'9'+1,showusage
pei (arg+2)
pei (arg)
jsr cstrlen
tax
Dec2Int (arg,@x,#0),@a
sta newdebug
jmp done
turnoff jsr findflag
eor #$FFFF
and newdebug
bra turnnext
turnon jsr findflag
ora newdebug
turnnext sta newdebug
ld2 1,mode
add2 argv,#4,argv
dec argc
beq done
jmp loop
done setdebug newdebug
mv2 newdebug,globaldebug
return return
findflag inc arg
ldy #0
findloop phy
lda nametbl,y
ora nametbl+2,y
beq nofind
lda nametbl+2,y
pha
lda nametbl,y
pha
pei (arg+2)
pei (arg)
jsr cmpcstr
beq foundit
pla
add2 @a,#4,@y
bra findloop
foundit pla
lsr a
tax
lda bittbl,x
rts
nofind pla
ldx arg+2
lda arg
jsr errputs
ldx #^errstr
lda #errstr
jsr errputs
lda #-1
pla ;rts address
jmp showusage
usage dc c'Usage: setdebug (value | [+|-]flag ... )',h'0d0d'
dc c'Flags: gsostrace - Trace GS/OS calls',h'0d'
dc c' gsosblocks - Trace GS/OS parameter blocks',h'0d'
dc c' gsoserrors - Trace GS/OS errors',h'0d'
dc c' pathtrace - Trace GS/OS pathnames',h'0d'
dc c' sigtrace - Trace signals',h'0d'
dc c' systrace - Trace system calls',h'0d'
dc h'00'
errstr dc c': Unknown flag',h'0d0d00'
nametbl dc a4'str01,str02,str03,str04,str05,str06,0'
str01 dc c'gsostrace',h'00'
str02 dc c'pathtrace',h'00'
str03 dc c'gsoserrors',h'00'
str04 dc c'sigtrace',h'00'
str05 dc c'systrace',h'00'
str06 dc c'gsosblocks',h'00'
bittbl dc i2'%000001'
dc i2'%000010'
dc i2'%000100'
dc i2'%001000'
dc i2'%010000'
dc i2'%100000'
globaldebug dc i2'0'
END
**************************************************************************
*
* PS: builtin command
* syntax: ps
*
* display process status
*
**************************************************************************
psbi START
using pdata
myuid equ 0
t equ myuid+2
ps2 equ t+4
pr2 equ ps2+4
pr equ pr2+4
ps equ pr+4
space equ ps+4
subroutine (4:argv,2:argc),space
lda argc
dec a
beq ok
showusage ldx #^usage
lda #usage
jsr errputs
jmp return
ok getuid
sta myuid
kvm_open
sta ps
stx ps+2
ora2 @a,ps+2,@a
bne ok2
ldx #^kvmerrstr
lda #kvmerrstr
jsr errputs
jmp done
ok2 ldx #^header
lda #header
jsr puts
loop kvmnextproc ps
sta pr
stx pr+2
ora2 @a,pr+2,@a
jeq done
ldy #94 ;ps->p_uid
lda [pr],y
cmp myuid
jne skip
ldy #2
lda [ps],y ;ps->pid
Int2Dec (@a,#pidstr,#4,#0)
ldx #^pidstr
lda #pidstr
jsr puts
ldy #2
lda [pr],y ;pr->processState
cmp #9
bcc okstate
lda #9
okstate asl a
asl a
asl a
tax
ldy #8
putstate lda statetbl,x
phx
phy
jsr putchar
ply
plx
inx
dey
bne putstate
ldy #6
lda [pr],y ;pr->ttyID
beq ttnul
cmp #3
bne ttnum
lda #'c'
jsr putchar
lda #'o'
bra showuser
ttnul lda #'n'
jsr putchar
lda #'u'
bra showuser
ttnum ldy #0
ttnumlup cmp #10
bcc ttnum0
sec
sbc #10
iny
bra ttnumlup
ttnum0 pha
tya
clc
adc #'0'
jsr putchar
pla
clc
adc #'0'
showuser jsr putchar
ldy #4
lda [pr],y ;pr->userID
Int2Hex (@a,#userstr+1,#4)
ldx #^userstr
lda #userstr
jsr puts
ldy #94
lda [pr],y ;pr->puid
Int2Hex (@a,#puidstr,#4)
ldx #^puidstr
lda #puidstr
jsr puts
ldy #50
lda [pr],y ;pr->ticks
tax
iny2
lda [pr],y
LongDivide (@ax,#60),(@ax,@yy)
LongDivide (@xa,#60),(t,@ax)
Long2Dec (@xa,#timestr+4,#2,#0)
Long2Dec (t,#timestr,#3,#0)
lda timestr+4
and #$FF
cmp #' '
bne time0
short a
lda #'0'
sta timestr+4
long a
time0 ldx #^timestr
lda #timestr
jsr puts
ldy #34
lda [pr],y ;pr->args
tax
iny2
lda [pr],y
jne goodcmd
cpx #0
jne goodcmd
lda pjoblist ;check for name in job list
ldx pjoblist+2
jobloop sta pr2
stx pr2+2
ora pr2+2
beq childof
ldy #p_pid
lda [pr2],y
ldy #2
cmp [ps],y ;ps->pid
bne loop2
ldy #p_command+2
lda [pr2],y
tax
ldy #p_command
lda [pr2],y
jsr puts
bra next
loop2 ldy #p_next+2
lda [pr2],y
tax
ldy #p_next
lda [pr2],y
bra jobloop
childof ldx #^forkstr
lda #forkstr
jsr puts
kvm_open
sta ps2
stx ps2+2
lda [pr]
tay
kvmgetproc (ps2,@y)
sta pr2
stx pr2+2
kvm_close ps2
ldy #34
lda [pr2],y ;pr2->args
tax
iny2
lda [pr2],y
bne goodcmd
cpx #0
bne goodcmd
ldx #^forkstr2
lda #forkstr2
jsr puts
bra next
goodcmd tay
txa
tyx
clc
adc #8
jsr puts
next jsr newline
skip jmp loop
done kvm_close ps
return return
usage dc c'Usage: ps',h'0d00'
kvmerrstr dc c'ps: error in kvm_open()',h'0d00'
header dc c' ID STATE TT MMID UID TIME COMMAND',h'0d00'
pidstr dc c'0000 ',h'00'
userstr dc c' 0000 ',h'00'
puidstr dc c'0000 ',h'00'
timestr dc c'000:00 ',h'00'
forkstr dc c'forked child of ',h'00'
forkstr2 dc c'an unknown process',h'00'
test1 dc c'getuid = $'
test1a dc c'0000',h'0d00'
statetbl dc c'defunct '
dc c'running '
dc c'ready '
dc c'blocked '
dc c'ready '
dc c'suspend '
dc c'waiting '
dc c'waiting '
dc c'paused '
dc c'unknown '
END
**************************************************************************
*
* HASH: builtin command
* syntax: hash
*
* display hashed commands
*
**************************************************************************
hashbi START
using hashdata
sv equ 0
q equ sv+4
p equ q+4
space equ p+4
subroutine (4:argv,2:argc),space
ph2 t_size
jsl sv_alloc
sta sv
stx sv+2
lda hash_table
ora hash_table+2
beq exit
mv4 hash_table,p
lda hash_numexe
beq doneadd
ldy #0
ldx t_size
beq doneadd
;
; loop through every hashed file and add it the string vector
;
addloop lda [p],y
sta q
iny
iny
lda [p],y
sta q+2
iny
iny
ora q
beq skip
phy
phx
pei (sv+2)
pei (sv)
pei (q+2)
lda q
inc a
inc a
pha
pea 1
jsl sv_add
plx
ply
skip dex
bne addloop
doneadd anop
doneprint pei (sv+2)
pei (sv)
jsl sv_sort
pei (sv+2)
pei (sv)
jsl sv_colprint
pei (sv+2)
pei (sv)
jsl sv_dispose
exit return
END
**************************************************************************
*
* SOURCE: builtin command
* syntax: source file [arguments...]
*
* executes a shell file w/o pushing environment
*
**************************************************************************
source START
retval equ 0
space equ retval+2
subroutine (4:argv,2:argc),space
stz retval
dec argc
bne ok
ldx #^usage
lda #usage
jsr errputs
lda #1
sta retval
bra exit
ok add2 argv,#4,argv
ldy #2
lda [argv],y
pha
lda [argv]
pha
pei (argc)
pei (argv+2)
pei (argv)
pea 0
jsl ShellExec
sta retval
exit return 2:retval
usage dc c'usage: source file [arguments...]',h'0d00'
END
**************************************************************************
*
* COMMANDS: builtin command
* syntax: hash
*
* display builtin commands
*
**************************************************************************
cmdbi START
using BuiltinData
sv equ 0
space equ sv+4
subroutine (4:argv,2:argc),space
ph2 #50
jsl sv_alloc
sta sv
stx sv+2
ldx #0
;
; loop through every hashed file and add it the string vector
;
addloop lda builtintbl,x
ora builtintbl+2,x
beq doneadd
phx
pei (sv+2)
pei (sv)
lda builtintbl+2,x
pha
lda builtintbl,x
pha
pea 1
jsl sv_add
pla
clc
adc #10
tax
bra addloop
doneadd anop
doneprint pei (sv+2)
pei (sv)
jsl sv_sort
pei (sv+2)
pei (sv)
jsl sv_colprint
pei (sv+2)
pei (sv)
jsl sv_dispose
exit return
END
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