📄 ic.1
字号:
4581(Octal)S4839(or)S4962(Binary.)S4392 V1080(While)S1356(the)S(input)206 1509 A1745(base)S1954(is)S2051(hexadecimal)S2590(the)S2743(letters)S10 I3020(a)S10 R(through)312 3100 A10 I3442(f)S10 R3500(are)S3654(used)S3868(to)S3976(represent)S4375(the)S4527(decimal)S4875(values)S5161(10)S4512 V(through)312 1080 A1417(15.)S4680 V1080(When)S1359(the)S(input)206 1521 A1766(base)S1984(is)S2090(decimal:)S(multiply,)365 2476 A2880(divide)S3170(and)S3354(remainder)S3802(are)S3965(signed,)S4291(otherwise)S4722(they)S4934(are)S5098(per-)S4800 V1080(formed)S1396(unsigned.)S4968 V1080(The)S1266(output)S1551(base)S1759(may)S1961(also)S2152(be)S2276(changed)S2640(to)S2747(ASCII)S3040(\()S10 I3074(a)S10 R3124(\),)S3212(this)S3386(causes)S3678(the)S3830(least)S4044(signi\256cant)S4492(7)S4571(bits)S4746(of)S4860(a)S4935(value)S5183(to)S5088 V1080(be)S1203(displayed)S1616(as)S1728(a)S1801(character.)S2225(To)S(input)206 2365 A2599(an)S2722(ASCII)S3013(value)S3258(the)S3408(translate)S3777(\()S10 I3811(t)S10 R3839(\))S3900(command)S4323(may)S4523(be)S4645(used,)S4881(it)S(accepts)297 4964 A5208 V1080(one)S1250(character)S1646(as)S1755(its)S1875(argument.)S5376 V870(C)S872(Ca)S941(al)S988(lc)S1018(cu)S1065(ul)S1117(la)S1147(at)S1194(ti)S1224(io)S1254(on)S1306(ns)S1358(s)S5496 V1080(The)S1267(arithmetic)S1706(operations)S(supported)396 2155 A2581(are:)S2763(Negate)S3079(\('.'\),)S3296(Add)S3500(\('+'\),)S3749(Subtract)S4116(\(')S10 Y4184(-)S10 R4239('\),)S(Multiply)351 4363 A4745(\('*'\),)S4987(Divide)S5616 V1080(\('/'\),)S1296(and)S1467(Remainder)S1935(\('%'\).)S2231(The)S2414(logical)S2714(\(Boolean\))S3143(operations)S3588(available)S3978(are:)S4156(NOT)S(\('\304'\),)195 4390 A(AND)219 4611 A4856(\('&'\),)S5121(OR)S5736 V1080(\('|'\),)S1286(and)S1456(EXCLUSIVE-OR)S(\('\303'\).)195 2217 A5904 V1080(After)S1319(one)S1489(of)S1598(these)S1830(operations)S2274(the)S2422(last)S2587(top)S2740(of)S2849(stack)S3081(value)S3324(is)S3416(saved.)S3695(It)S3782(may)S3980(be)S4100(restored)S4450(by)S4575(pressing)S10 I4935(l)S10 R4988(\(L\).)S6072 V870(S)S872(Sa)S930(av)S977(vi)S1029(in)S1059(ng)S1111(g)S1188(R)S1190(Re)S1259(es)S1306(su)S1347(ul)S1399(lt)S1429(ts)S1459(s)S6192 V1080(Ten)S1269(temporary)S1715(registers)S2089(are)S2245(available.)S2666(The)S2855(Store)S3101(\()S10 I3135(s)S10 R3174(\))S3241(command)S3670(followed)S4061(by)S4194(a)S4272(digit)S4489(\('0'..'9'\))S(will)157 4876 A(copy)195 5066 A6312 V1080(the)S1234(top)S1393(of)S1508(the)S1662(stack)S1900(to)S2009(the)S2163(speci\256ed)S2552(register.)S2910(The)S(Recall)258 3097 A3385(\()S10 I3419(r)S10 R3458(\))S3522(command)S3948(pushes)S4251(the)S4404(contents)S4769(of)S4883(a)S4958(register)S6432 V1080(onto)S1283(the)S1431(top)S1584(of)S1693(the)S1841(stack.)S6600 V1080(If)S1174(the)S1323(Store)S1562(command)S1984(is)S2077(followed)S2461(by)S2587(a)S2658('+')S(preceding)397 2809 A3232(the)S3381(digit,)S3616(then)S3815(the)S3964(top)S4118(of)S4228(the)S4377(stack)S(will)157 4610 A4794(be)S4916(added)S5183(to)S6720 V1080(the)S1228(speci\256ed)S('accumulator')566 1611 A2202(register.)S6888 V1080(Values)S1388(may)S1589(also)S1779(be)S(written)286 1902 A2216(to)S2322(a)S2395(\256le.)S2577(The)S10 I2762(w)S10 R2857(command)S3281(writes)S3556(the)S3707(top)S3863(of)S3975(the)S4126(stack,)S4386(using)S4632(the)S4784(current)S5099(out-)S7008 V1080(put)S1244(base,)S1484(to)S1598(a)S1679(\256le)S1844(called)S2121('pad')S2370(in)S2484(the)S2643(current)S2965(directory.)S3415(If)S3519(the)S3678(user)S3882(does)S4101(not)S4264(have)S4489(write)S(access)258 4732 A5025(to)S5138(the)S7128 V1080(current)S1392(directory)S1782(then)S1981(the)S2130(\256le)S10 I(/tmp/pad_$USER)704 2285 A10 R3015(is)S3108(used)S3318(as)S3428(the)S3577(scratch)S3889(pad.)S4085(The)S4268(scratch)S4581(pad)S4753(\256le)S4909(is)S5003(erased)S7248 V1080(on)S1205(the)S1353(\256rst)S1535(use)S1694(of)S1803(the)S10 I1951(w)S10 R2043(command)S2464(within)S(each)185 2746 A2956(new)S(invocation)424 3149 A3598(of)S3707('ic'.)S7903 V720(Page)S941(1)S4455(September)S4911(13,)S(1996)200 5061 A8143 VEP%%Page: 2 2BP/slant 0 def/height 0 def480 V10 R720(IC)S829(\()S871(1)S929(\))S2696(Eighth)S(Edition)296 2989 A5018(IC)S5127(\()S5169(1)S5227(\))S960 V870(M)S872(Mi)S963(is)S993(sc)S1034(ce)S1081(el)S1128(ll)S1158(la)S1188(an)S1235(ne)S1287(eo)S1334(ou)S1386(us)S1438(s)S1080 V1080(The)S1262(Quit)S1466(\()S10 I1500(q)S10 R1550(\))S1609(key)S1779(causes)S2067(an)S2187(immediate)S2637(exit.)S2838(The)S10 I3020(m)S10 R3119(command)S3541(temporarily)S4037(leaves)S10 I4315(ic)S10 R4414(by)S(invoking)356 4540 A4922(the)S5071(shell)S1200 V1080(as)S1201(a)S1282(sub-process.)S1843(For)S2019(help)S2228(while)S2488(using)S10 I2741(ic)S10 R2814(,)S2875(hit)S3017(the)S10 I3176(h)S10 R3262(key.)S3468(If)S3572(an)S3703(erroneous)S4136(key)S4317(is)S4420(pressed)S4758(the)S4917(bell)S(will)157 5104 A1320 V(sound.)264 1080 A1488 V870(C)S872(Co)S941(om)S993(mm)S1073(ma)S1153(an)S1200(nd)S1252(d)S1329(S)S1331(Su)S1389(um)S1441(mm)S1521(ma)S1601(ar)S1648(ry)S1684(y)S1608 V1080(Note)S1306(that)S1488(many)S1742(commands)S2208(have)S2429(an)S2555(alternative)S3012(key-code)S3412(available)S3807(on)S3938(the)S4092(extended)S4486(AT)S(keyboard.)399 4652 A5082(This)S1728 V1080(aids)S1267(entry)S1499(by)S1624(including)S2028(most)S2248(commands)S2708(on)S2833(the)S2981(right)S3196(side)S3383(of)S3492(the)S(keyboard.)399 3640 A1896 V1260(ENTER)S2160(Enter)S2404(\(push)S2652(up\))S2016 V1260(BS)S1408(\(DEL\))S2160(Clear)S2404(top)S2557(of)S2666(stack)S2136 V1260(h)S2160(Help)S2256 V1260(i)S(Input)212 2160 A2397(base)S2626(\(h,)S2760(d,)S2860(o,)S2960(b\))S2376 V1260(l)S(\(PGDN\))343 1338 A2160(Last)S2359(top)S2512(of)S2621(stack)S2496 V1260(m)S8 R2160(MINIX)S10 R2426(shell)S2616 V1260(o)S2160(Output)S2464(base)S2668(\(h,)S2802(d,)S2902(o,)S3002(b,)S3102(a\))S2736 V1260(p)S1360(\(DOWN\))S2160(Pop)S2341(stack)S2573(\(roll)S2772(down\))S2856 V1260(q)S1360(\(END\))S2160(Quit)S2976 V1260(r)S1344(\(LEFT\))S(Recall)258 2160 A2443(\(0-9\))S3096 V1260(s)S1349(\(RIGHT\))S2160(Store)S2398([+])S2548(\(0-9\))S3216 V1260(t)S2160(Translate)S2561(\(char\))S3336 V1260(w)S1383(\(PGUP\))S2160(Write)S2415(top)S2568(of)S2677(stack)S2909(to)S3012(scratch)S3323(pad)S3456 V1260(x)S1360(\(UP\))S2160(Exchange)S2582(top)S2735(of)S2844(stack)S3576 V1260(z)S1355(\(HOME\))S2160(Zero)S2376(all)S2502(state)S3696 V1260(.)S2160(Change)S2492(sign)S3816 V1260(+)S1367(\(+\))S2160(Add)S3936 V1260(-)S(\(-\))102 1344 A2160(Subtract)S4056 V1260(*)S(Multiply)351 2160 A4176 V1260(/)S2160(Divide)S4296 V1260(%)S1394(\(sh/5\))S2160(Remainder)S4416 V(\(tilde\))247 1260 A2160(Not)S4536 V1260(&)S2160(And)S4656 V1260(|)S2160(Or)S4776 V1260(\303)S2160(Exclusive-or)S4944 V870(A)S872(Au)S947(ut)S999(th)S1029(ho)S1081(or)S1133(r)S5064 V10 I1080(Ic)S10 R1184(was)S(written)286 1366 A1677(by)S1802(Terrence)S2187(W.)S2332(Holm.)S7903 V720(September)S1176(13,)S(1996)200 1326 A4990(Page)S5211(2)S8143 VEP%%Trailer%%DocumentFonts: Times-Roman Times-Bold Times-Italic Symbol%%Pages: 2⌨️ 快捷键说明
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