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