void gem_main(void) { WORD i; const BITBLK *tmpadbi; sh_rdinf(); /* get start of emudesk.inf */ if (!gl_changerez) /* can't be here because of rez change, */ process_inf1(); /* so see if .inf says we need to change rez */ if (gl_changerez) { switch(gl_changerez) { #if CONF_WITH_SHIFTER case 1: /* ST(e) or TT display */ Setscreen(-1L,-1L,gl_nextrez-2,0); initialise_palette_registers(gl_nextrez-2,0); break; #endif #if CONF_WITH_VIDEL case 2: /* Falcon display */ Setscreen(-1L, -1L, FALCON_REZ, gl_nextrez); initialise_palette_registers(FALCON_REZ,gl_nextrez); break; #endif } gsx_wsclear(); /* avoid artefacts that may show briefly */ } totpds = NUM_PDS; ml_ocnt = 0; gl_changerez = FALSE; ini_dlongs(); /* init longs */ cli(); takecpm(); /* take the 0efh int. */ /* init event recorder */ gl_recd = FALSE; gl_rlen = 0; gl_rbuf = 0x0L; /* initialize pointers to heads of event list and thread list */ elinkoff = (BYTE *) &(D.g_intevb[0].e_link) - (BYTE *) &(D.g_intevb[0]); /* link up all the evb's to the event unused list */ eul = NULLPTR; ev_init(&D.g_intevb[0], NUM_IEVBS); if (totpds > 2) ev_init(&D.g_extevb[0], NUM_EEVBS); /* initialize sync blocks */ wind_spb.sy_tas = 0; wind_spb.sy_owner = NULLPTR; wind_spb.sy_wait = 0; /* * init processes - TODO: should go in gempd or gemdisp. */ /* initialize list and unused lists */ nrl = drl = NULLPTR; dlr = zlr = NULLPTR; fph = fpt = fpcnt = 0; /* init initial process */ for(i=totpds-1; i>=0; i--) { rlr = pd_index(i); if (i < 2) { rlr->p_uda = &D.g_intuda[i]; rlr->p_cda = &D.g_intcda[i]; } else { rlr->p_uda = &D.g_extuda[i-2]; rlr->p_cda = &D.g_extcda[i-2]; } rlr->p_qaddr = (LONG)(&rlr->p_queue[0]); rlr->p_qindex = 0; memset(rlr->p_name, ' ', 8); rlr->p_appdir[0] = '\0'; /* by default, no application directory */ /* if not rlr then initialize his stack pointer */ if (i != 0) rlr->p_uda->u_spsuper = &rlr->p_uda->u_supstk; rlr->p_pid = i; rlr->p_stat = 0; } curpid = 0; rlr->p_pid = curpid++; rlr->p_link = NULLPTR; /* end of process init */ /* restart the tick */ sti(); /* * screen manager process init. this process starts out owning the mouse * and the keyboard. it has a pid == 1 */ gl_dacnt = 0; gl_mowner = ctl_pd = iprocess("SCRENMGR", ctlmgr); /* load gem resource and fix it up before we go */ gem_rsc_init(); { /* get mice forms */ ad_armice = *(LONG *)&rs_bitblk[MICE00]; ad_hgmice = *(LONG *)&rs_bitblk[MICE02]; /* init button stuff */ gl_btrue = 0x0; gl_bdesired = 0x0; gl_bdely = 0x0; gl_bclick = 0x0; gl_logdrv = dos_gdrv() + 'A'; /* boot directory */ gsx_init(); /* do gsx open work station */ /* load all desk acc's */ if (totpds > 2) ldaccs(); /* fix up icons */ for(i=0; i<3; i++) { tmpadbi = &rs_bitblk[NOTEBB+i]; memcpy((char *)&bi, tmpadbi, sizeof(BITBLK)); gsx_trans(bi.bi_pdata, bi.bi_wb, bi.bi_pdata, bi.bi_wb, bi.bi_hl); } /* take the critical err handler int. */ cli(); takeerr(); sti(); /* go into graphic mode */ sh_tographic(); /* take the tick int. */ cli(); gl_ticktime = gsx_tick(tikaddr, &tiksav); sti(); /* set init. click rate: must do this after setting gl_ticktime */ ev_dclick(3, TRUE); /* fix up the GEM rsc. file now that we have an open WS */ gem_rsc_fixit(); /* get st_desk ptr */ ad_stdesk = (LONG) rs_trees[DESKTOP]; /* init. window vars. */ wm_start(); /* startup gem libs */ fs_start(); /* remember current desktop directory */ sh_curdir(D.s_cdir); /* process emudesk.inf part 2 */ process_inf2(); /* off we go !!! */ dsptch(); /* let them run */ all_run(); /* * init for shell loop up thru here it is okay for system to * overlay this initialization code */ sh_init(); /* * main shell loop. From here on down data should not overlay * this code */ sh_main(); /* give back the tick */ cli(); gl_ticktime = gsx_tick(tiksav, &tiksav); sti(); /* close workstation */ gsx_wsclose(); } /* return GEM's 0xEF int*/ cli(); givecpm(); sti(); }
void gem_main(void) { WORD i; sh_rdinf(); /* get start of emudesk.inf */ if (!gl_changerez) /* can't be here because of rez change, */ process_inf1(); /* so see if .inf says we need to change rez */ if (gl_changerez) { switch(gl_changerez) { #if CONF_WITH_ATARI_VIDEO case 1: /* ST(e) or TT display */ Setscreen(-1L,-1L,gl_nextrez-2,0); initialise_palette_registers(gl_nextrez-2,0); break; #endif #if CONF_WITH_VIDEL case 2: /* Falcon display */ Setscreen(-1L, -1L, FALCON_REZ, gl_nextrez); initialise_palette_registers(FALCON_REZ,gl_nextrez); break; #endif } gsx_wsclear(); /* avoid artefacts that may show briefly */ /* * resolution change always resets the default drive to the * boot device. TOS3 issues a Dsetdrv() when this happens, * which Hatari's GEMDOS drive emulation uses to keep track * of the current drive. we do the same. */ dos_sdrv(bootdev); } ml_ocnt = 0; gl_changerez = FALSE; mn_init(); /* initialise variables for menu_register() */ num_accs = count_accs(); /* puts ACC names in acc_name[] */ D.g_acc = NULL; if (num_accs) D.g_acc = dos_alloc(num_accs*sizeof(AESPROCESS)); if (D.g_acc) memset(D.g_acc,0x00,num_accs*sizeof(AESPROCESS)); else num_accs = 0; totpds = num_accs + 2; disable_interrupts(); set_aestrap(); /* set trap#2 -> aestrap */ /* init event recorder */ gl_recd = FALSE; gl_rlen = 0; gl_rbuf = NULL; /* link up all the evb's to the event unused list */ eul = NULL; for (i = 0; i < 2; i++) ev_init(D.g_int[i].a_evb,EVBS_PER_PD); for (i = 0; i < num_accs; i++) ev_init(D.g_acc[i].a_evb,EVBS_PER_PD); /* initialize sync blocks */ wind_spb.sy_tas = 0; wind_spb.sy_owner = NULL; wind_spb.sy_wait = 0; /* * init processes - TODO: should go in gempd or gemdisp. */ /* initialize list and unused lists */ nrl = drl = NULL; dlr = zlr = NULL; fph = fpt = fpcnt = 0; /* init initial process */ for(i=totpds-1; i>=0; i--) { rlr = pd_index(i); if (i < 2) { rlr->p_uda = &D.g_int[i].a_uda; rlr->p_cda = &D.g_int[i].a_cda; } else { rlr->p_uda = &D.g_acc[i-2].a_uda; rlr->p_cda = &D.g_acc[i-2].a_cda; } rlr->p_qaddr = rlr->p_queue; rlr->p_qindex = 0; memset(rlr->p_name, ' ', AP_NAMELEN); rlr->p_appdir[0] = '\0'; /* by default, no application directory */ /* if not rlr then initialize his stack pointer */ if (i != 0) rlr->p_uda->u_spsuper = &rlr->p_uda->u_supstk; rlr->p_pid = i; rlr->p_stat = 0; } curpid = 0; rlr->p_pid = curpid++; rlr->p_link = NULL; /* end of process init */ /* restart the tick */ enable_interrupts(); /* * screen manager process init. this process starts out owning the mouse * and the keyboard. it has a pid == 1 */ gl_mowner = ctl_pd = iprocess("SCRENMGR", ctlmgr); /* * run the accessories and the desktop until termination * (for shutdown or resolution change) */ aes_run_rom_program(accdesk_start); /* restore previous trap#2 address */ disable_interrupts(); unset_aestrap(); enable_interrupts(); if (D.g_acc) dos_free((LONG)D.g_acc); }