The PowerPC 604 RISC Microprocessor - eisber.net

32 Pascal Implementation: Compiler and Assembler/Interpreter Compiler Listing 33104918501851185210531854105518561857185818591860106118621863186418651866186718681869187018711872187318741875187618771878187918801881188210831884188518861887188818891890189118921893189418951896189/189818991900190119021903190419051906190719081909191019111912elseboginIf lop m 38 thanbegin write(prr,"");with cetptrlfp21" dobeginfor k im 1 to elgth do write(prr,evel1k1:1);for k am elgth+1 to etrglgth do writo(prr,' ');andwriteln(prr,"")endelse if fop - 42 then writeln(prc,chr(fp2))else writeln(prr,fp2112);mee(fop)endend;is 1- lc + 1end (*gent*) 1procedure gen2(fopi oprenge; fpl,fp2t integer);var k 1 integer;beginif prcodo thenbegin putici writs(prroln1fop1e4);ceee top of45,50,54,561writeln(prr,' ,fpli3,fp218);41,48,49,52,53,551begin writs(prr,chr(fp1));if chr(fpl) m 'm' then writs(prr,fp2ill);writeln(prr)end;51,case Ypl of1, writein(prWi ',tp2);21 begin write(prr,'r I );with cetptrlfp21" dofor k tm 1 to otrglgth do write(prr,rval1k1);writeln(prr)end;31 writeln(prr,'b41 writeln(prr,'n');61 writeln(prr,'c '":3,chr(fp2),"");Si begin write(prr,'(');with cstptr(fp2)" dofor k 1m setlow to sethigh doif k in pvel then write(prr,k13)1writeln(prr,')')endendend;end;is 1- is + 1; mee(fop)end (Agen2A)procedure gentypindicstor(fept etp);beginif fepOnil thanwith for domom form ofscaler{ if ferintptr then write(prr,'i')elseif tep-boolptr than write(prr,'b')also1913 it fopmcharptr than write(prr,'c')1914 else1915 if scslkind m declared then wrItu(prr,'1')1916 else write(prWr');1917 eubrangoi gontypindicetor(rengetype);1918 pointer' write(prr, g a');1919 powers write(prWe');1920 cecorde,arreyet write(prr s 'm');1921 filee,tegfld,vArientt error(500)1922 end1923 end (*typindicator");19241925 procedure genOt(fopt oprAnges for etp);1926 begin1927 if prcode then1928 begin putic;1929 write(prr,mn(fop)14);1930 gentypindicetor(fop);1931 writeln(prr);19)2 end;1933 lc is + 1; mee(fop)1934 and (*genOt")119351936 procedure genit(fopt opt-tinge; fp21 integer; lap: etp);1937 begin1938 if prcodo then1939 begin putic;1940 write(prr,mnifopj14);1941 gentypindtcator(fep);1942 writeln(prr,fp2i11)1943 end;1944 is is + I; mee(fop)1945 and (ogenitA)11946•1947 procedure gen2t(fopt oprnnne; fpl,fp2: integer; fop: etp);1948 begin1949 if prcode then1950 begin putic;1951 write(prr,mn(fop)1 4);1952 gentypindicator(fep);19531954writeln(prr,fpl13+5"ord(ebe(fp1))99),4218):end;1955 Ic is + 1; mee(fop)1956 end ( 4 gen20);19571958 procedure load;1959 begin1960 with gattr do1961 It typtr nil then1962 begin1963 CASO kind of1964 cot, if (typtr".form - scaler) end (typtr realptr) then1965 if typtr - boolptr then gen2(51(*Idc"),3,cvel.lvel)1966 elee1967 if typtr ■ charptr then1968 gen2(51( 0 1dc"),6,cval.ival)1969 else gen2(51(Aldc*),1,cval.iyAl)1970 else1911 if typtr1972 elsenilptr then gen2(51( , 1dc"). 4 .0)if cetptrix >- cetoccmax then error(254)1974 elee19731975 begin chtptrix t ■ cetptrlx + 1;1976 cetptrIcetptrixl 1.* cvel.volp;