179 lines
4.8 KiB
Plaintext
179 lines
4.8 KiB
Plaintext
|
mes 2,2,2 ; wordsize 2, pointersize 2
|
||
|
.1
|
||
|
rom 't.p\000' ; the name of the source file
|
||
|
hol 552,-32768,0 ; externals and buf occupy 552 bytes
|
||
|
exp $sum ; sum can be called from other modules
|
||
|
pro $sum,2 ; procedure sum; 2 bytes local storage
|
||
|
lin 8 ; code from source line 8
|
||
|
ldl 0 ; load two locals ( a and b )
|
||
|
adi 2 ; add them
|
||
|
ret 2 ; return the result
|
||
|
end 2 ; end of procedure ( still two bytes local storage )
|
||
|
.2
|
||
|
rom 1,99,2 ; descriptor of array a[]
|
||
|
exp $test ; the compiler exports all level 0 procedures
|
||
|
pro $test,226 ; procedure test, 226 bytes local storage
|
||
|
.3
|
||
|
rom 4.8F8 ; assemble Floating point 4.8 (8 bytes) in
|
||
|
.4 ; global storage
|
||
|
rom 0.5F8 ; same for 0.5
|
||
|
mes 3,-226,2,2 ; compiler temporary not referenced indirect
|
||
|
mes 3,-24,2,0 ; the same is true for i, j, b and c in test
|
||
|
mes 3,-22,2,0
|
||
|
mes 3,-4,2,0
|
||
|
mes 3,-2,2,0
|
||
|
mes 3,-20,8,0 ; and for x and y
|
||
|
mes 3,-12,8,0
|
||
|
lin 20 ; maintain source line number
|
||
|
loc 1
|
||
|
stl -4 ; j := 1
|
||
|
lni ; was lin 21 prior to optimization
|
||
|
lol -4
|
||
|
loc 3
|
||
|
mli 2
|
||
|
loc 6
|
||
|
adi 2
|
||
|
stl -2 ; i := 3 * j + 6
|
||
|
lni ; was lin 22 prior to optimization
|
||
|
lae .3
|
||
|
loi 8
|
||
|
lal -12
|
||
|
sti 8 ; x := 4.8
|
||
|
lni ; was lin 23 prior to optimization
|
||
|
lal -12
|
||
|
loi 8
|
||
|
lae .4
|
||
|
loi 8
|
||
|
dvf 8
|
||
|
lal -20
|
||
|
sti 8 ; y := x / 0.5
|
||
|
lni ; was lin 24 prior to optimization
|
||
|
loc 1
|
||
|
stl -22 ; b := true
|
||
|
lni ; was lin 25 prior to optimization
|
||
|
loc 122
|
||
|
stl -24 ; c := 'z'
|
||
|
lni ; was lin 26 prior to optimization
|
||
|
loc 1
|
||
|
stl -2 ; for i:= 1
|
||
|
2
|
||
|
lol -2
|
||
|
dup 2
|
||
|
mli 2 ; i*i
|
||
|
lal -224
|
||
|
lol -2
|
||
|
lae .2
|
||
|
sar 2 ; a[i] :=
|
||
|
lol -2
|
||
|
loc 100
|
||
|
beq *3 ; to 100 do
|
||
|
inl -2 ; increment i and loop
|
||
|
bra *2
|
||
|
3
|
||
|
lin 27
|
||
|
lol -4
|
||
|
loc 27
|
||
|
adi 2 ; j + 27
|
||
|
sil 0 ; r.r1 :=
|
||
|
lni ; was lin 28 prior to optimization
|
||
|
lol -22 ; b
|
||
|
lol 0
|
||
|
stf 10 ; r.r3 :=
|
||
|
lni ; was lin 29 prior to optimization
|
||
|
lal -20
|
||
|
loi 16
|
||
|
adf 8 ; x + y
|
||
|
lol 0
|
||
|
adp 2
|
||
|
sti 8 ; r.r2 :=
|
||
|
lni ; was lin 23 prior to optimization
|
||
|
lal -224
|
||
|
lol -4
|
||
|
lae .2
|
||
|
lar 2 ; a[j]
|
||
|
lil 0 ; r.r1
|
||
|
cal $sum ; call now
|
||
|
asp 4 ; remove parameters from stack
|
||
|
lfr 2 ; get function result
|
||
|
stl -2 ; i :=
|
||
|
4
|
||
|
lin 31
|
||
|
lol -2
|
||
|
zle *5 ; while i > 0 do
|
||
|
lol -4
|
||
|
lil 0
|
||
|
adi 2
|
||
|
stl -4 ; j := j + r.r1
|
||
|
del -2 ; i := i - 1
|
||
|
bra *4 ; loop
|
||
|
5
|
||
|
lin 32
|
||
|
lol 0
|
||
|
stl -226 ; make copy of address of r
|
||
|
lol -22
|
||
|
lol -226
|
||
|
stf 10 ; r3 := b
|
||
|
lal -20
|
||
|
loi 16
|
||
|
adf 8
|
||
|
lol -226
|
||
|
adp 2
|
||
|
sti 8 ; r2 := x + y
|
||
|
loc 0
|
||
|
sil -226 ; r1 := 0
|
||
|
lin 34 ; note the abscence of the unnecesary jump
|
||
|
lae 22 ; address of output structure
|
||
|
lol -4
|
||
|
cal $_wri ; write integer with default width
|
||
|
asp 4 ; pop parameters
|
||
|
lae 22
|
||
|
lol -2
|
||
|
loc 6
|
||
|
cal $_wsi ; write integer width 6
|
||
|
asp 6
|
||
|
lae 22
|
||
|
lal -12
|
||
|
loi 8
|
||
|
loc 9
|
||
|
loc 3
|
||
|
cal $_wrf ; write fixed format real, width 9, precision 3
|
||
|
asp 14
|
||
|
lae 22
|
||
|
lol -22
|
||
|
cal $_wrb ; write boolean, default width
|
||
|
asp 4
|
||
|
lae 22
|
||
|
cal $_wln ; writeln
|
||
|
asp 2
|
||
|
ret 0 ; return, no result
|
||
|
end 226
|
||
|
exp $_main
|
||
|
pro $_main,0 ; main program
|
||
|
.6
|
||
|
con 2,-1,22 ; description of external files
|
||
|
.5
|
||
|
rom 15.96F8
|
||
|
fil .1 ; maintain source file name
|
||
|
lae .6 ; description of external files
|
||
|
lae 0 ; base of hol area to relocate buffer addresses
|
||
|
cal $_ini ; initialize files, etc...
|
||
|
asp 4
|
||
|
lin 37
|
||
|
lae .5
|
||
|
loi 8
|
||
|
lae 2
|
||
|
sti 8 ; x := 15.9
|
||
|
lni ; was lin 38 prior to optimization
|
||
|
loc 99
|
||
|
ste 0 ; mi := 99
|
||
|
lni ; was lin 39 prior to optimization
|
||
|
lae 10 ; address of r
|
||
|
cal $test
|
||
|
asp 2
|
||
|
loc 0 ; normal exit
|
||
|
cal $_hlt ; cleanup and finish
|
||
|
asp 2
|
||
|
end 0
|
||
|
mes 4,40 ; length of source file is 40 lines
|
||
|
mes 5 ; reals were used
|