refactoring source tree
refactored sources into directory per binary in order to prepare for moving more complex, multi-file, programs onto source tree
This commit is contained in:
Tom Everett
+515
@@ -0,0 +1,515 @@
|
||||
" ds
|
||||
|
||||
lac 017777 i
|
||||
sad d8
|
||||
skp
|
||||
sys exit
|
||||
lac 017777
|
||||
tad d5
|
||||
dac .+3
|
||||
law 017
|
||||
sys creat; ..
|
||||
dac fo
|
||||
law 017
|
||||
sys creat; scrname
|
||||
spa
|
||||
jms error
|
||||
dac fso
|
||||
sys open; scrname; 0
|
||||
spa
|
||||
jms error
|
||||
dac fsi
|
||||
sys chdir; dd
|
||||
spa
|
||||
jms error
|
||||
lac d1
|
||||
sys write; pass1; 1
|
||||
law fsobuf
|
||||
dac fsopt
|
||||
dzm nfiles
|
||||
law fbuf
|
||||
dac filp
|
||||
dzm ndirs
|
||||
law dbuf
|
||||
dac dirp
|
||||
dzm fsloc
|
||||
sys open; dotdot; 0
|
||||
spa
|
||||
jms error
|
||||
dac fd
|
||||
jms readdir; dotdot
|
||||
law statbuf
|
||||
sys status; dotdot; dotdot
|
||||
spa
|
||||
jms error
|
||||
lac statbuf+12 " i index
|
||||
dac dirp i
|
||||
isz dirp
|
||||
-1
|
||||
tad nfiles
|
||||
cma
|
||||
dac ddfiles
|
||||
law fbuf
|
||||
dac ddfilp
|
||||
|
||||
loop:
|
||||
-1
|
||||
tad ndirs
|
||||
cma
|
||||
dac c1
|
||||
law dbuf
|
||||
dac i1
|
||||
|
||||
1:
|
||||
isz i1
|
||||
lac i1 i
|
||||
sad ddfilp i
|
||||
jmp 2f
|
||||
isz i1
|
||||
isz c1
|
||||
jmp 1b
|
||||
|
||||
lac ddfilp
|
||||
tad i1
|
||||
dac i1
|
||||
lac i1 i
|
||||
dac .+3
|
||||
lac fsi
|
||||
sys seek; ..; 0
|
||||
lac fsi
|
||||
sys read; scrname; 4
|
||||
law statbuf
|
||||
sys status; dotdot; scrname
|
||||
spa
|
||||
jms error
|
||||
lac statbuf+0 " flags
|
||||
and o20
|
||||
sna
|
||||
jmp 2f
|
||||
sys open; scrname; 0
|
||||
spa
|
||||
jms error
|
||||
dac fd
|
||||
jms readdir; scrname
|
||||
lac ddfilp i
|
||||
dac dirp i
|
||||
isz dirp
|
||||
|
||||
2:
|
||||
isz ddfilp
|
||||
isz ddfilp
|
||||
isz ddfiles
|
||||
jmp loop
|
||||
|
||||
" output phase
|
||||
|
||||
lac fso
|
||||
sys write; fsobuf; 64
|
||||
lac d1
|
||||
sys write; pass2; 2
|
||||
-500
|
||||
dac c1
|
||||
|
||||
1:
|
||||
law dbuf+2
|
||||
dac i1
|
||||
dzm fflg
|
||||
law fbuf
|
||||
dac i2
|
||||
-1
|
||||
tad nfiles
|
||||
cma
|
||||
dac c2
|
||||
|
||||
2:
|
||||
lac c1
|
||||
tad d501
|
||||
sad i2 i
|
||||
skp
|
||||
jmp 3f
|
||||
-1
|
||||
tad i1
|
||||
dac i3
|
||||
lac i3 i
|
||||
dac c3
|
||||
law fbuf
|
||||
dac i3
|
||||
0:
|
||||
lac i3 i
|
||||
sad c3
|
||||
jmp 0f
|
||||
isz i3
|
||||
isz i3
|
||||
jmp 0b
|
||||
0:
|
||||
lac i3
|
||||
tad d1
|
||||
dac c3
|
||||
lac c3 i
|
||||
dac .+3
|
||||
lac fsi
|
||||
sys seek; ..; 0
|
||||
lac fsi
|
||||
sys read; scrname; 4
|
||||
lac i2
|
||||
tad d1
|
||||
dac c3
|
||||
lac c3 i
|
||||
dac .+3
|
||||
lac fsi
|
||||
sys seek; ..; 0
|
||||
lac fsi
|
||||
sys read; dd; 4
|
||||
lac fflg
|
||||
sza
|
||||
jmp 0f
|
||||
|
||||
lac nlinkt
|
||||
sad nlinka
|
||||
skp
|
||||
jms fishy
|
||||
dzm nlinka
|
||||
law 012
|
||||
jms putc
|
||||
law statbuf
|
||||
sys status; scrname; dd
|
||||
spa
|
||||
jms error
|
||||
-1
|
||||
tad statbuf+9
|
||||
cma
|
||||
dac nlinkt
|
||||
-1
|
||||
dac fflg
|
||||
jms longout
|
||||
law 012
|
||||
jms putc
|
||||
0:
|
||||
isz nlinka
|
||||
jms putname; scrname
|
||||
jms putname; dd
|
||||
law 012
|
||||
jms putc
|
||||
|
||||
3:
|
||||
isz i2
|
||||
isz i2
|
||||
lac i2
|
||||
sad i1 i
|
||||
skp
|
||||
jmp .+3
|
||||
isz i1
|
||||
isz i1
|
||||
isz c2
|
||||
jmp 2b
|
||||
|
||||
isz c1
|
||||
jmp 1b
|
||||
lac nlinkt
|
||||
sad nlinka
|
||||
skp
|
||||
jms fishy
|
||||
|
||||
sys chdir; system
|
||||
jmp done
|
||||
|
||||
fishy: 0
|
||||
jms asters
|
||||
jms asters
|
||||
law 012
|
||||
jms putc
|
||||
lac d1
|
||||
sys write; 1f; 1
|
||||
jmp fishy i
|
||||
1: 052012
|
||||
|
||||
nlinka: 0
|
||||
nlinkt: 0
|
||||
|
||||
asters: 0
|
||||
-10 " Put -10 into c
|
||||
dac c
|
||||
1:
|
||||
law 052 " Print out a "*"
|
||||
jms putc
|
||||
isz c
|
||||
jmp 1b " and loop back until 10 "*" are printed out
|
||||
jmp asters i " Leave the routine
|
||||
|
||||
longout: 0
|
||||
lac statbuf+12 " i
|
||||
jms octal; -3
|
||||
lac statbuf+0 " flags
|
||||
jms octal; -2
|
||||
lac statbuf+8 " uid
|
||||
jms octal; -2
|
||||
-1
|
||||
tad statbuf+9 " nlinks
|
||||
cma
|
||||
jms octal; -2
|
||||
lac statbuf+10
|
||||
jms octal; -5
|
||||
jmp longout i
|
||||
|
||||
readdir: 0
|
||||
law 012
|
||||
jms putc
|
||||
law 012
|
||||
jms putc
|
||||
jms asters
|
||||
lac readdir i
|
||||
dac 5f
|
||||
dac .+2
|
||||
jms putname; ..
|
||||
jms asters
|
||||
law 012
|
||||
jms putc
|
||||
law 012
|
||||
jms putc
|
||||
isz readdir
|
||||
isz ndirs
|
||||
lac filp
|
||||
dac dirp i
|
||||
isz dirp
|
||||
0:
|
||||
jms copyz; buf; 64
|
||||
lac fd
|
||||
sys read; buf; 64
|
||||
spa
|
||||
jms error
|
||||
sna
|
||||
jmp 4f
|
||||
-8
|
||||
dac c1
|
||||
law buf
|
||||
dac i1
|
||||
1:
|
||||
lac i1 i
|
||||
sna
|
||||
jmp 3f
|
||||
|
||||
isz nfiles
|
||||
dac filp i
|
||||
isz filp
|
||||
lac fsloc
|
||||
dac filp i
|
||||
tad d4
|
||||
dac fsloc
|
||||
isz filp
|
||||
lac i1
|
||||
tad d1
|
||||
dac .+4
|
||||
law statbuf
|
||||
sys status; 5:..; ..
|
||||
spa
|
||||
jms error
|
||||
jms longout
|
||||
lac i1
|
||||
tad d1
|
||||
dac .+2
|
||||
jms putname; ..
|
||||
law 012
|
||||
jms putc
|
||||
lac i1
|
||||
dac 8
|
||||
lac 8 i
|
||||
dac fsopt i
|
||||
isz fsopt
|
||||
lac 8 i
|
||||
dac fsopt i
|
||||
isz fsopt
|
||||
lac 8 i
|
||||
dac fsopt i
|
||||
isz fsopt
|
||||
lac 8 i
|
||||
dac fsopt i
|
||||
isz fsopt
|
||||
law fsobuf+64
|
||||
sad fsopt
|
||||
skp
|
||||
jmp 3f
|
||||
lac fso
|
||||
sys write; fsobuf; 64
|
||||
law fsobuf
|
||||
dac fsopt
|
||||
|
||||
3:
|
||||
law 8
|
||||
tad i1
|
||||
dac i1
|
||||
isz c1
|
||||
jmp 1b
|
||||
jmp 0b
|
||||
4:
|
||||
lac fd
|
||||
sys close
|
||||
jmp readdir i
|
||||
|
||||
putname: 0
|
||||
-1
|
||||
tad putname i
|
||||
dac 8
|
||||
-4
|
||||
dac c
|
||||
1:
|
||||
lac 8 i
|
||||
lrss 9
|
||||
jms putc
|
||||
llss 9
|
||||
jms putc
|
||||
isz c
|
||||
jmp 1b
|
||||
isz putname
|
||||
jmp putname i
|
||||
|
||||
octal: 0
|
||||
lmq " Move the negative argument into the MQ
|
||||
" as we will use shifting to deal with the
|
||||
" number by shifting groups of 3 digits.
|
||||
lac d5 " By adding 5 to the negative count and
|
||||
tad octal i " complementing it, we set the actual
|
||||
cma " loop count up to 6 - count. So, if we
|
||||
dac c " want to print 2 digits, we lose 6 - 2 = 4 digits
|
||||
1:
|
||||
llss 3 " Lose top 3 bits of the MQ
|
||||
isz c " Do we have any more to lose?
|
||||
jmp 1b " Yes, keep looping
|
||||
lac octal i " Save the actual number of print digits into c
|
||||
dac c " as a negative number.
|
||||
1:
|
||||
cla
|
||||
llss 3 " Shift 3 more bits into AC
|
||||
tad o60 " Add AC to ASCII '0'
|
||||
jms putc " and print out the digit
|
||||
isz c " Any more characters to print out?
|
||||
jmp 1b " Yes, loop back
|
||||
law 040 " Print out a space
|
||||
jms putc
|
||||
isz octal " Move return address 1 past the argument
|
||||
jmp octal i " and return from subroutine
|
||||
|
||||
error: 0
|
||||
-1
|
||||
tad error
|
||||
hlt
|
||||
sys save
|
||||
|
||||
copyz: 0
|
||||
-1
|
||||
tad copyz i
|
||||
dac 8
|
||||
isz copyz
|
||||
-1
|
||||
tad copyz i
|
||||
cma
|
||||
dac 2f
|
||||
isz copyz
|
||||
1:
|
||||
dzm 8 i
|
||||
isz 2f
|
||||
jmp 1b
|
||||
jmp copyz i
|
||||
2: 0
|
||||
|
||||
done:
|
||||
lac noc
|
||||
sna
|
||||
sys exit
|
||||
and d1
|
||||
sna cla
|
||||
jmp 1f
|
||||
jms putc
|
||||
jmp done
|
||||
1:
|
||||
lac noc
|
||||
rcr
|
||||
dac 1f
|
||||
lac fo
|
||||
sys write; obuf; 1;..
|
||||
sys exit
|
||||
|
||||
putc: 0
|
||||
and o177 " Keep the lowest 7 bits and save into 2f+1
|
||||
dac 2f+1
|
||||
lac opt " Save the pointer to the empty buffer
|
||||
dac 2f " position to 2f
|
||||
add o400000 " Flip the msb and save back into opt
|
||||
dac opt " This also has the effect of incrementing
|
||||
" the opt pointer every second addition!
|
||||
spa " If the bit was set, we already have one
|
||||
jmp 1f " character at 2f+1. If no previous character,
|
||||
lac 2f i " merge the old and new character together
|
||||
xor 2f+1
|
||||
jmp 3f " and go to the "save it in buffer" code
|
||||
1:
|
||||
lac 2f+1 " Move the character up into the top half
|
||||
alss 9
|
||||
3:
|
||||
dac 2f i " Save the word into the buffer
|
||||
isz noc " Add 1 to the char count, never skipping
|
||||
lac noc " Have we reached 128 characters, 64 words?
|
||||
sad d128
|
||||
skp
|
||||
jmp putc i " No, so return (more room still in the buffer)
|
||||
lac fo " Load fd1 (i.e stdout)
|
||||
sys write; obuf; 64 " and write out the 64 words in the buffer
|
||||
lac iopt
|
||||
dac opt " Set opt pointing back to base of buffer
|
||||
dzm noc " Set the number of chars in the buffer to 0
|
||||
jmp putc i " and return
|
||||
|
||||
2: 0;0 " Current input and output word pointers
|
||||
opt: obuf " Pointer to the output buffer
|
||||
iopt: obuf " Pointer to the output buffer
|
||||
noc: 0 " Number of output characters
|
||||
fo: 1 " Output file descriptor, fd 1 is stdout
|
||||
|
||||
d1: 1
|
||||
o177: 0177
|
||||
o400000: 0400000
|
||||
d128: 128
|
||||
d4: 4
|
||||
d5: 5
|
||||
d8: 8
|
||||
o60: 060
|
||||
o20: 020
|
||||
d501: 501
|
||||
" Names of files and directories
|
||||
dd:
|
||||
<dd>; 040040; 040040; 040040 " dd
|
||||
dotdot:
|
||||
056056; 040040; 040040; 040040 " ..
|
||||
system:
|
||||
<sy>;<st>;<em>; 040040 " system
|
||||
scrname:
|
||||
<*s>;<rc>;040040;040040 " *src
|
||||
pass2:
|
||||
<i " i
|
||||
pass1:
|
||||
<i 012 " i\n
|
||||
|
||||
fso: .=.+1
|
||||
fsi: .=.+1
|
||||
fsloc: .=.+1
|
||||
nfiles: .=.+1
|
||||
fflg: .=.+1
|
||||
buf: .=.+64
|
||||
obuf: .=.+64 " Output buffer
|
||||
fd: .=.+1
|
||||
filp: .=.+1
|
||||
ddfilp: .=.+1
|
||||
ddfiles: .=.+1
|
||||
statbuf: .=.+13
|
||||
c: .=.+1
|
||||
i1: .=.+1
|
||||
i2: .=.+1
|
||||
i3: .=.+1
|
||||
c1: .=.+1
|
||||
c2: .=.+1
|
||||
c3: .=.+1
|
||||
ndirs: .=.+1
|
||||
dirp: .=.+1
|
||||
fsopt: .=.+1
|
||||
fsobuf: .=.+64
|
||||
dbuf: .=.+100
|
||||
fbuf:
|
||||
Reference in New Issue
Block a user