📄 chap.9.infocodingii.ps
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10 f576 1923(i)N600(iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii)X576(c)X1827(c)Y1731(c)Y1635(c)Y2952 1923(c)N1827(c)Y1731(c)Y1635(c)Y2 f576 2111(Condition)N1 f776 2251(Use)N955(the)X1103(code)X1315(corresponding)X1895(to)X2000(the)X2149(instruction)X2592(as)X2703(given)X2948(in)X3054(the)X3203(M68000/CIE)X3741(Programmer's)X576 2363(Manual)N894(\(2nd)X1094(edition\))X1418(Instruction)X1859(Set)X2006(Reference.)X3 f576 2587(RTE)N1 f776 2727($4E73)N3 f576 2951(RTS)N1 f776 3091($4E75)N776 3343(RTE)N991(and)X1163(RTS)X1372(codes)X1625(are)X1777(supplied)X2137(in)X2246(hexadecimal)X2768(format)X3059(for)X3205(sake)X3410(of)X3524(brevity.)X3855(Notice)X4146(that)X576 3455(these)N811(instructions)X1297(do)X1430(not)X1590(have)X1809(any)X1985(operands,)X2392(and)X2567(hence)X2828(have)X3046(a)X3125(unique)X3423(code)X3641(with)X3848(no)X3980(variable)X576 3567(\256elds.)N3 f576 3791(9.2.)N768(Examples)X1 f776 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f1110(instruction\).)X1634(Therefore)X2046(the)X2196(displacement)X2737(is)X2833($FC.)X3078(The)X3260(complete)X3646(coding)X3940(for)X7 f4117(BEQ)X1 f576 2175(instruction)N1012(is)X1100($67FC.)X624 2343(15)N864(14)X1104(13)X1344(12)X1584(11)X1728(10)X1872(9)X1968(8)X2160(7)X2256(6)X2352(5)X2448(4)X2544(3)X2640(2)X2736(1)X2832(0)X10 f576 2359(i)N600(iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii)X1 f648 2471(0)N888(1)X1128(1)X1368(0)X1607(Condition)X2162(8-bit)X2368(displacement)X10 f576 2487(i)N600(iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii)X1 f648 2599(0)N888(1)X1128(1)X1368(0)X1632(0)X1728(1)X1824(1)X1920(1)X2160(1)X2256(1)X2352(1)X2448(1)X2544(1)X2640(1)X2736(0)X2832(0)X10 f576 2615(i)N600(iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii)X576(c)X2551(c)Y2455(c)Y792 2615(c)N2551(c)Y2455(c)Y1032 2615(c)N2551(c)Y2455(c)Y1272 2615(c)N2551(c)Y2455(c)Y1512 2615(c)N2551(c)Y2455(c)Y2088 2615(c)N2551(c)Y2455(c)Y2952 2615(c)N2551(c)Y2455(c)Y1 f776 2803(For)N939(the)X7 f1121(MOVE)X1 f1383(instruction,)X1849(the)X2 f1997(Size)X1 f2183(\256eld)X2385(is)X2480(10)X2607(\(operation)X3034(size)X3215(is)X3310(long\).)X3592(The)X3773(destination)X4227(is)X576 2915(an)N706(absolute)X1065(address)X1391(which)X1664(can)X1836(be)X1965(represented)X2447(in)X2560(a)X2641(word)X2876(size,)X3088(so)X3211(the)X2 f3367(EA.Register)X1 f3868(is)X3970(000)X4152(and)X2 f576 3027(EA.Mode)N1 f967(is)X1061(111.)X1283(The)X1463(source)X1744(is)X1838(immediate)X2276(data,)X2491(so)X2606(the)X2 f2754(EA.Register)X1 f3247(is)X3341(100)X3516(and)X3686(the)X2 f3835(EA.Mode)X1 f4227(is)X576 3139(111.)N793(There)X1043(are)X1186(2)X1259(extension)X1652(words)X1910(to)X2009(provide)X2327(the)X2469(immediate)X2901(data)X3086(and)X3249(1)X3321(extension)X3714(word)X3935(to)X4034(denote)X576 3251(the)N736(memory)X1099(location)X1452(being)X1708(used)X1926(in)X2043(the)X2203(destination.)X2716(Therefore)X3138(the)X3298(complete)X3694(coding)X3998(for)X4152(this)X576 3363(instruction)N1012(is)X1100($21FC000ADE124000.)X624 3531(15)N864(14)X1104(13)X1248(12)X1568(11)X1688(10)X1832(9)X2173(8)X2269(7)X2365(6)X2693(5)X2789(4)X2885(3)X3261(2)X3357(1)X3453(0)X10 f576 3547(i)N618(iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii)X1 f1762 3659(Destination)N2988(Source)X648 3771(0)N888(0)X1141(Size)X1488(EA.Register)X2105(EA.Mode)X2625(EA.Mode)X3145(EA.Register)X10 f576 3787(i)N618(iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii)X1 f648 3899(0)N10 f792 3915(c)N3835(c)Y3739(c)Y3643(c)Y1 f888 3899(0)N10 f1032 3915(c)N3835(c)Y3739(c)Y3643(c)Y1 f1152 3899(1)N1248(0)X10 f1416 3915(c)N3835(c)Y3739(c)Y3643(c)Y1 f1604 3899(0)N1700(0)X1796(0)X10 f2033 3915(c)N3867(c)Y3771(c)Y1 f2173 3899(1)N2269(1)X2365(1)X10 f2553 3915(c)N3835(c)Y3739(c)Y3643(c)Y1 f2693 3899(1)N2789(1)X2885(1)X10 f3073 3915(c)N3867(c)Y3771(c)Y1 f3261 3899(1)N3357(0)X3453(0)X10 f576 3915(i)N618(iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii)X1 f1400 4027(Immediate)N1837(data)X2022(\(high)X2249(word\))X2502(=)X2580($000A)X10 f576 4043(i)N618(iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii)X1 f1408 4155(Immediate)N1845(data)X2030(\(low)X2230(word\))X2483(=)X2561($DE12)X10 f576 4171(i)N618(iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii)X1 f1625 4283(Address)N1963(location)X2298(=)X2376($4000)X10 f576 4299(i)N618(iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii)X576(c)X4219(c)Y4123(c)Y4027(c)Y3931(c)Y3835(c)Y3739(c)Y3643(c)Y3690 4299(c)N4219(c)Y4123(c)Y4027(c)Y3931(c)Y3835(c)Y3739(c)Y3643(c)Y84 p%%Page: 84 712 s 0 xH 0 xS 10 f1 f3 f576 400(57:017)N872(CIE)X1 f2329(-)X2385(84)X2505(-)X3 f3717(Lecture)X4062(Notes)X1516 2867(-)N1572(THIS)X1825(PAGE)X2116(INTENTIONALLY)X2954(BLANK)X3319(-)X7 p%%Trailerxtxs⌨️ 快捷键说明
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