Canola: lib/display.cc Source File

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00001 //
00002 // canola - canon canola 1614p emulator
00003 // Copyright (C) 2011 Peter Miller
00004 //
00005 // This program is free software; you can redistribute it and/or modify
00006 // it under the terms of the GNU General Public License, version 3, as
00007 // published by the Free Software Foundation.
00008 //
00009 // This program is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012 // General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU General Public License along
00015 // with this program. If not, see <http://www.gnu.org/licenses/>.
00016 //
00017 
00018 #include <lib/display.h>
00019 #include <lib/sizeof.h>
00020 
00021 
00022 display::~display()
00023 {
00024 }
00025 
00026 
00027 display::display() :
00028     overflow(false),
00029     negative(false),
00030     m1(false),
00031     m2(false),
00032     entry(false),
00033     column18(column18_blank),
00034     column19(column19_blank),
00035     column20(column20_blank),
00036     column21(column21_blank)
00037 {
00038 }
00039 
00040 
00041 display::display(const display &rhs) :
00042     overflow(rhs.overflow),
00043     negative(rhs.negative),
00044     m1(rhs.m1),
00045     m2(rhs.m2),
00046     entry(rhs.entry),
00047     column18(rhs.column18),
00048     column19(rhs.column19),
00049     column20(rhs.column20),
00050     column21(rhs.column21)
00051 {
00052     for (size_t j = 0; j < SIZEOF(tubes); ++j)
00053         tubes[j] = rhs.tubes[j];
00054 }
00055 
00056 
00057 display &
00058 display::operator=(const display &rhs)
00059 {
00060     if (this != &rhs)
00061     {
00062         overflow = rhs.overflow;
00063         for (size_t j = 0; j < SIZEOF(tubes); ++j)
00064             tubes[j] = rhs.tubes[j];
00065         negative = rhs.negative;
00066         m1 = rhs.m1;
00067         m2 = rhs.m2;
00068         entry = rhs.entry;
00069         column18 = rhs.column18;
00070         column19 = rhs.column19;
00071         column20 = rhs.column20;
00072         column21 = rhs.column21;
00073     }
00074     return *this;
00075 }
00076 
00077 
00078 display::tube_t::~tube_t()
00079 {
00080 }
00081 
00082 
00083 display::tube_t::tube_t() :
00084     digit(10),
00085     dot(false),
00086     tick(false)
00087 {
00088 }
00089 
00090 
00091 display::tube_t::tube_t(const tube_t &rhs) :
00092     digit(rhs.digit),
00093     dot(rhs.dot),
00094     tick(rhs.tick)
00095 {
00096 }
00097 
00098 
00099 display::tube_t &
00100 display::tube_t::operator=(const tube_t &rhs)
00101 {
00102     if (this != &rhs)
00103     {
00104         digit = rhs.digit;
00105         dot = rhs.dot;
00106         tick = rhs.tick;
00107     }
00108     return *this;
00109 }
00110 
00111 
00112 void
00113 display::set_opcode(opcode_t op)
00114 {
00115     column18 = column18_blank;
00116     column19 = column19_blank;
00117     column20 = column20_blank;
00118     column21 = column21_blank;
00119     switch (op)
00120     {
00121     case opcode_zero:
00122         goto yuck;
00123 
00124     case opcode_plus_equals:
00125         column19 = column19_plus_equals;
00126         break;
00127 
00128     case opcode_minus_equals:
00129         column19 = column19_minus_equals;
00130         break;
00131 
00132     case opcode_mul:
00133         column19 = column19_times;
00134         break;
00135 
00136     case opcode_div:
00137         column19 = column19_divide;
00138         break;
00139 
00140     case opcode_sqrt:
00141         column19 = column19_sqrt;
00142         break;
00143 
00144     case opcode_ent:
00145         column18 = column18_e;
00146         break;
00147 
00148     case opcode_sj:
00149         column18 = column18_sj;
00150         break;
00151 
00152     case opcode_ej:
00153         column18 = column18_ej;
00154         break;
00155 
00156     case opcode_mj:
00157         column18 = column18_mj;
00158         break;
00159 
00160     case opcode_uj:
00161         column18 = column18_uj;
00162         break;
00163 
00164     case opcode_fj:
00165         column18 = column18_fj;
00166         break;
00167 
00168     case opcode_suj:
00169         column18 = column18_suj;
00170         break;
00171 
00172     case opcode_sfj:
00173         column18 = column18_sfj;
00174         break;
00175 
00176     case opcode_srj:
00177         column18 = column18_srj;
00178         break;
00179 
00180     case opcode_m1:
00181     case opcode_m2:
00182     case opcode_m3:
00183     case opcode_m4:
00184     case opcode_m5:
00185     case opcode_m6:
00186     case opcode_m7:
00187     case opcode_m8:
00188     case opcode_m9:
00189     case opcode_m10:
00190     case opcode_m11:
00191     case opcode_m12:
00192     case opcode_m13:
00193     case opcode_m14:
00194         {
00195             int n = op - (opcode_m1 - 1);
00196             column19 = column19_m_plus;
00197             if (n >= 10)
00198             {
00199                 column20 = column20_n1;
00200                 n -= 10;
00201             }
00202             column21 = column21_t(column21_n0 + n);
00203         }
00204         break;
00205 
00206     case opcode_mm1:
00207     case opcode_mm2:
00208         column19 = column19_m_minus;
00209         column21 = column21_t(column21_n0 + (op - (opcode_mm1 - 1)));
00210         break;
00211 
00212     case opcode_sm3:
00213     case opcode_sm4:
00214     case opcode_sm5:
00215     case opcode_sm6:
00216     case opcode_sm7:
00217     case opcode_sm8:
00218     case opcode_sm9:
00219     case opcode_sm10:
00220     case opcode_sm11:
00221     case opcode_sm12:
00222     case opcode_sm13:
00223     case opcode_sm14:
00224         {
00225             int n = op - (opcode_sm3 - 3);
00226             column19 = column19_sm;
00227             if (n >= 10)
00228             {
00229                 column20 = column20_n1;
00230                 n -= 10;
00231             }
00232             column21 = column21_t(column21_n0 + n);
00233         }
00234         break;
00235 
00236     case opcode_rm1:
00237     case opcode_rm2:
00238     case opcode_rm3:
00239     case opcode_rm4:
00240     case opcode_rm5:
00241     case opcode_rm6:
00242     case opcode_rm7:
00243     case opcode_rm8:
00244     case opcode_rm9:
00245     case opcode_rm10:
00246     case opcode_rm11:
00247     case opcode_rm12:
00248     case opcode_rm13:
00249     case opcode_rm14:
00250         {
00251             int n = op - (opcode_rm1 - 1);
00252             column19 = column19_rm;
00253             if (n >= 10)
00254             {
00255                 column20 = column20_n1;
00256                 n -= 10;
00257             }
00258             column21 = column21_t(column21_n0 + n);
00259         }
00260         break;
00261 
00262     case opcode_clear_indicator:
00263         column18 = column18_ce;
00264         break;
00265 
00266     case opcode_cm1:
00267     case opcode_cm2:
00268     case opcode_cm3:
00269     case opcode_cm4:
00270     case opcode_cm5:
00271     case opcode_cm6:
00272     case opcode_cm7:
00273     case opcode_cm8:
00274     case opcode_cm9:
00275     case opcode_cm10:
00276     case opcode_cm11:
00277     case opcode_cm12:
00278     case opcode_cm13:
00279     case opcode_cm14:
00280         {
00281             int n = op - (opcode_cm1 - 1);
00282             column18 = column18_cm;
00283             if (n >= 10)
00284             {
00285                 column20 = column20_n1;
00286                 n -= 10;
00287             }
00288             column21 = column21_t(column21_n0 + n);
00289         }
00290         break;
00291 
00292     case opcode_dot:
00293         column20 = column20_dot;
00294         break;
00295 
00296     case opcode_rv:
00297         column18 = column18_rv;
00298         break;
00299 
00300     case opcode_right:
00301         column18 = column18_right;
00302         break;
00303 
00304     case opcode_chg_sign:
00305         column18 = column18_cs;
00306         break;
00307 
00308     case opcode_round_down:
00309         column20 = column20_round_down;
00310         break;
00311 
00312     case opcode_round_off:
00313         column20 = column20_round_off;
00314         break;
00315 
00316     case opcode_round_up:
00317         column20 = column20_round_up;
00318         break;
00319 
00320     case opcode_print:
00321         column19 = column19_print;
00322         break;
00323 
00324     case opcode_fd:
00325         column20 = column20_fd;
00326         break;
00327 
00328     case opcode_n0:
00329     case opcode_n1:
00330     case opcode_n2:
00331     case opcode_n3:
00332     case opcode_n4:
00333     case opcode_n5:
00334     case opcode_n6:
00335     case opcode_n7:
00336     case opcode_n8:
00337     case opcode_n9:
00338     case opcode_n10:
00339     case opcode_n11:
00340     case opcode_n12:
00341     case opcode_n13:
00342     case opcode_n14:
00343         {
00344             int n = op - opcode_n0;
00345             if (n >= 10)
00346             {
00347                 column20 = column20_n1;
00348                 n -= 10;
00349             }
00350             column21 = column21_t(column21_n0 + n);
00351         }
00352         break;
00353 
00354     case opcode_extended_c:
00355     case opcode_extended_start:
00356     case opcode_extended_m3_tilde:
00357     case opcode_extended_sm3_tilde:
00358     case opcode_extended_rm3_tilde:
00359     case opcode_extended_cm3_tilde:
00360     case opcode_extended_off:
00361     case opcode_extended_program_print:
00362     case opcode_extended_display_print:
00363     case opcode_extended_paper_feed:
00364     case opcode_extended_rounding_switch_up:
00365     case opcode_extended_rounding_switch_off:
00366     case opcode_extended_rounding_switch_down:
00367     case opcode_extended_decimal_point_selector_0:
00368     case opcode_extended_decimal_point_selector_1:
00369     case opcode_extended_decimal_point_selector_2:
00370     case opcode_extended_decimal_point_selector_3:
00371     case opcode_extended_decimal_point_selector_4:
00372     case opcode_extended_decimal_point_selector_5:
00373     case opcode_extended_decimal_point_selector_6:
00374     case opcode_extended_decimal_point_selector_7:
00375     case opcode_extended_decimal_point_selector_8:
00376     case opcode_extended_decimal_point_selector_9:
00377     case opcode_extended_decimal_point_selector_10:
00378     case opcode_extended_decimal_point_selector_11:
00379     case opcode_extended_decimal_point_selector_12:
00380     case opcode_extended_decimal_point_selector_float:
00381     case opcode_extended_goto_000:
00382     case opcode_extended_goto_001:
00383     case opcode_extended_goto_002:
00384     case opcode_extended_goto_003:
00385     case opcode_extended_goto_004:
00386     case opcode_extended_goto_005:
00387     case opcode_extended_goto_006:
00388     case opcode_extended_goto_007:
00389     case opcode_extended_goto_008:
00390     case opcode_extended_goto_009:
00391     case opcode_extended_goto_010:
00392     case opcode_extended_goto_011:
00393     case opcode_extended_goto_012:
00394     case opcode_extended_goto_013:
00395     case opcode_extended_goto_014:
00396     case opcode_extended_goto_015:
00397     case opcode_extended_goto_100:
00398     case opcode_extended_goto_101:
00399     case opcode_extended_goto_102:
00400     case opcode_extended_goto_103:
00401     case opcode_extended_goto_104:
00402     case opcode_extended_goto_105:
00403     case opcode_extended_goto_106:
00404     case opcode_extended_goto_107:
00405     case opcode_extended_goto_108:
00406     case opcode_extended_goto_109:
00407     case opcode_extended_goto_110:
00408     case opcode_extended_goto_111:
00409     case opcode_extended_goto_112:
00410     case opcode_extended_goto_113:
00411     case opcode_extended_goto_114:
00412     case opcode_extended_goto_115:
00413     case opcode_extended_goto_200:
00414     case opcode_extended_goto_201:
00415     case opcode_extended_goto_202:
00416     case opcode_extended_goto_203:
00417     case opcode_extended_goto_204:
00418     case opcode_extended_goto_205:
00419     case opcode_extended_goto_206:
00420     case opcode_extended_goto_207:
00421     case opcode_extended_goto_208:
00422     case opcode_extended_goto_209:
00423     case opcode_extended_goto_210:
00424     case opcode_extended_goto_211:
00425     case opcode_extended_goto_212:
00426     case opcode_extended_goto_213:
00427     case opcode_extended_goto_214:
00428     case opcode_extended_goto_215:
00429     case opcode_extended_goto_300:
00430     case opcode_extended_goto_301:
00431     case opcode_extended_goto_302:
00432     case opcode_extended_goto_303:
00433     case opcode_extended_goto_304:
00434     case opcode_extended_goto_305:
00435     case opcode_extended_goto_306:
00436     case opcode_extended_goto_307:
00437     case opcode_extended_goto_308:
00438     case opcode_extended_goto_309:
00439     case opcode_extended_goto_310:
00440     case opcode_extended_goto_311:
00441     case opcode_extended_goto_312:
00442     case opcode_extended_goto_313:
00443     case opcode_extended_goto_314:
00444     case opcode_extended_goto_315:
00445     case opcode_extended_goto_400:
00446     case opcode_extended_goto_401:
00447     case opcode_extended_goto_402:
00448     case opcode_extended_goto_403:
00449     case opcode_extended_goto_404:
00450     case opcode_extended_goto_405:
00451     case opcode_extended_goto_406:
00452     case opcode_extended_goto_407:
00453     case opcode_extended_goto_408:
00454     case opcode_extended_goto_409:
00455     case opcode_extended_goto_410:
00456     case opcode_extended_goto_411:
00457     case opcode_extended_goto_412:
00458     case opcode_extended_goto_413:
00459     case opcode_extended_goto_414:
00460     case opcode_extended_goto_415:
00461     case opcode_extended_goto_500:
00462     case opcode_extended_goto_501:
00463     case opcode_extended_goto_502:
00464     case opcode_extended_goto_503:
00465     case opcode_extended_goto_504:
00466     case opcode_extended_goto_505:
00467     case opcode_extended_goto_506:
00468     case opcode_extended_goto_507:
00469     case opcode_extended_goto_508:
00470     case opcode_extended_goto_509:
00471     case opcode_extended_goto_510:
00472     case opcode_extended_goto_511:
00473     case opcode_extended_goto_512:
00474     case opcode_extended_goto_513:
00475     case opcode_extended_goto_514:
00476     case opcode_extended_goto_515:
00477     case opcode_extended_goto_600:
00478     case opcode_extended_goto_601:
00479     case opcode_extended_goto_602:
00480     case opcode_extended_goto_603:
00481     case opcode_extended_goto_604:
00482     case opcode_extended_goto_605:
00483     case opcode_extended_goto_606:
00484     case opcode_extended_goto_607:
00485     case opcode_extended_goto_608:
00486     case opcode_extended_goto_609:
00487     case opcode_extended_goto_610:
00488     case opcode_extended_goto_611:
00489     case opcode_extended_goto_612:
00490     case opcode_extended_goto_613:
00491     case opcode_extended_goto_614:
00492     case opcode_extended_goto_615:
00493     case opcode_extended_goto_700:
00494     case opcode_extended_goto_701:
00495     case opcode_extended_goto_702:
00496     case opcode_extended_goto_703:
00497     case opcode_extended_goto_704:
00498     case opcode_extended_goto_705:
00499     case opcode_extended_goto_706:
00500     case opcode_extended_goto_707:
00501     case opcode_extended_goto_708:
00502     case opcode_extended_goto_709:
00503     case opcode_extended_goto_710:
00504     case opcode_extended_goto_711:
00505     case opcode_extended_goto_712:
00506     case opcode_extended_goto_713:
00507     case opcode_extended_goto_714:
00508     case opcode_extended_goto_715:
00509         // nothing for extended opcodes
00510         break;
00511 
00512     default:
00513         yuck:
00514         if ((int)op < 128)
00515         {
00516             // used to indicate an invalid opcode
00517             column18 = column18_minus;
00518         }
00519         break;
00520     }
00521 }