/* * c64scmodel.c - C64 model detection and setting. * * Written by * Hannu Nuotio * groepaz * Marco van den Heuvel * * This file is part of VICE, the Versatile Commodore Emulator. * See README for copyright notice. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA * 02111-1307 USA. * */ #include "vice.h" #include #include "c64.h" #include "c64iec.h" #include "c64keyboard.h" #include "c64model.h" #include "c64rom.h" #include "cia.h" #include "machine.h" #include "resources.h" #include "sid.h" #include "tapeport.h" #include "types.h" #include "userport.h" #include "vicii.h" /******************************************************************************/ #define CIA_MODEL_DEFAULT_OLD CIA_MODEL_6526 #define CIA_MODEL_DEFAULT_NEW CIA_MODEL_6526A static int c64model_get_temp(int vicii_model, int sid_model, int glue_logic, int cia1model, int cia2model, int board, int iecreset, const char *chargen, int kernalrev); static void c64model_set_temp(int model, int *vicii_model, int *sid_model, int *glue_logic, int *cia1model, int *cia2model, int *board, int *iecreset, const char *chargen, int *kernalrev); /******************************************************************************/ static int is_new_sid(int model) { switch (model) { case SID_MODEL_6581: default: return 0; case SID_MODEL_8580: case SID_MODEL_8580D: return 1; } } static int is_new_cia(int model) { switch (model) { case CIA_MODEL_6526: default: return 0; case CIA_MODEL_6526A: return 1; } } struct model_s { int vicii; /* VIC-II model */ int video; /* machine video timing */ int ciatick; int cia; /* old or new */ int glue; /* discrete or ASIC */ int sid; /* old or new */ int board; int iecreset; int datasette; int iec; int userport; int keyboard; int cia2; const char *chargenname; int kernalrev; /* note: the name of the kernal is in a table in c64-resources.c */ }; static const struct model_s c64models[] = { /* C64 PAL */ { VICII_MODEL_6569, MACHINE_SYNC_PAL, CIATICK_NET, CIA_MODEL_DEFAULT_OLD, GLUE_DISCRETE, OLD_SID, BOARD_C64, IEC_SOFT_RESET, HAS_DATASETTE, HAS_IEC, HAS_USERPORT, HAS_KEYBOARD, HAS_CIA2, C64_CHARGEN_NAME, C64_KERNAL_REV3 }, /* C64C PAL */ { VICII_MODEL_8565, MACHINE_SYNC_PAL, CIATICK_NET, CIA_MODEL_DEFAULT_NEW, GLUE_CUSTOM_IC, NEW_SID, BOARD_C64, IEC_HARD_RESET, HAS_DATASETTE, HAS_IEC, HAS_USERPORT, HAS_KEYBOARD, HAS_CIA2, C64_CHARGEN_NAME, C64_KERNAL_REV3 }, /* C64 OLD PAL */ { VICII_MODEL_6569R1, MACHINE_SYNC_PAL, CIATICK_NET, CIA_MODEL_DEFAULT_OLD, GLUE_DISCRETE, OLD_SID, BOARD_C64, IEC_SOFT_RESET, HAS_DATASETTE, HAS_IEC, HAS_USERPORT, HAS_KEYBOARD, HAS_CIA2, C64_CHARGEN_NAME, C64_KERNAL_REV2 }, /* C64 NTSC */ { VICII_MODEL_6567, MACHINE_SYNC_NTSC, CIATICK_NET, CIA_MODEL_DEFAULT_OLD, GLUE_DISCRETE, OLD_SID, BOARD_C64, IEC_SOFT_RESET, HAS_DATASETTE, HAS_IEC, HAS_USERPORT, HAS_KEYBOARD, HAS_CIA2, C64_CHARGEN_NAME, C64_KERNAL_REV3 }, /* C64C NTSC */ { VICII_MODEL_8562, MACHINE_SYNC_NTSC, CIATICK_NET, CIA_MODEL_DEFAULT_NEW, GLUE_CUSTOM_IC, NEW_SID, BOARD_C64, IEC_HARD_RESET, HAS_DATASETTE, HAS_IEC, HAS_USERPORT, HAS_KEYBOARD, HAS_CIA2, C64_CHARGEN_NAME, C64_KERNAL_REV3 }, /* C64 OLD NTSC */ { VICII_MODEL_6567R56A, MACHINE_SYNC_NTSCOLD, CIATICK_NET, CIA_MODEL_DEFAULT_OLD, GLUE_DISCRETE, OLD_SID, BOARD_C64, IEC_SOFT_RESET, HAS_DATASETTE, HAS_IEC, HAS_USERPORT, HAS_KEYBOARD, HAS_CIA2, C64_CHARGEN_NAME, C64_KERNAL_REV1 }, /* C64 PAL-N */ { VICII_MODEL_6572, MACHINE_SYNC_PALN, CIATICK_NET, CIA_MODEL_DEFAULT_OLD, GLUE_DISCRETE, OLD_SID, BOARD_C64, IEC_SOFT_RESET, HAS_DATASETTE, HAS_IEC, HAS_USERPORT, HAS_KEYBOARD, HAS_CIA2, C64_CHARGEN_NAME, C64_KERNAL_REV3 }, /* SX64 PAL, FIXME: guessed */ { VICII_MODEL_6569, MACHINE_SYNC_PAL, CIATICK_60HZ, CIA_MODEL_DEFAULT_OLD, GLUE_DISCRETE, OLD_SID, BOARD_SX64, IEC_SOFT_RESET, NO_DATASETTE, HAS_IEC, HAS_USERPORT, HAS_KEYBOARD, HAS_CIA2, C64_CHARGEN_NAME, C64_KERNAL_SX64 }, /* SX64 NTSC, FIXME: guessed */ { VICII_MODEL_6567, MACHINE_SYNC_NTSC, CIATICK_60HZ, CIA_MODEL_DEFAULT_OLD, GLUE_DISCRETE, OLD_SID, BOARD_SX64, IEC_SOFT_RESET, NO_DATASETTE, HAS_IEC, HAS_USERPORT, HAS_KEYBOARD, HAS_CIA2, C64_CHARGEN_NAME, C64_KERNAL_SX64 }, /* C64 Japanese, FIXME: guessed */ { VICII_MODEL_6567, MACHINE_SYNC_NTSC, CIATICK_NET, CIA_MODEL_DEFAULT_OLD, GLUE_DISCRETE, OLD_SID, BOARD_C64, IEC_SOFT_RESET, HAS_DATASETTE, HAS_IEC, HAS_USERPORT, HAS_KEYBOARD, HAS_CIA2, C64_CHARGEN_JAP_NAME, C64_KERNAL_JAP }, /* C64 GS, FIXME: guessed */ { VICII_MODEL_8565, MACHINE_SYNC_PAL, CIATICK_NET, CIA_MODEL_DEFAULT_NEW, GLUE_CUSTOM_IC, NEW_SID, BOARD_C64, IEC_HARD_RESET, NO_DATASETTE, NO_IEC, NO_USERPORT, NO_KEYBOARD, HAS_CIA2, C64_CHARGEN_NAME, C64_KERNAL_GS64 }, /* PET64 PAL, FIXME: guessed */ { VICII_MODEL_6569, MACHINE_SYNC_PAL, CIATICK_NET, CIA_MODEL_DEFAULT_OLD, GLUE_DISCRETE, OLD_SID, BOARD_C64, IEC_SOFT_RESET, HAS_DATASETTE, HAS_IEC, HAS_USERPORT, HAS_KEYBOARD, HAS_CIA2, C64_CHARGEN_NAME, C64_KERNAL_4064 }, /* PET64 NTSC, FIXME: guessed */ { VICII_MODEL_6567, MACHINE_SYNC_NTSC, CIATICK_NET, CIA_MODEL_DEFAULT_OLD, GLUE_DISCRETE, OLD_SID, BOARD_C64, IEC_SOFT_RESET, HAS_DATASETTE, HAS_IEC, HAS_USERPORT, HAS_KEYBOARD, HAS_CIA2, C64_CHARGEN_NAME, C64_KERNAL_4064 }, /* ultimax, FIXME: guessed */ /* FIXME: the MAX uses a VICII 6566, currenly unemulated, NTSC-M only */ { VICII_MODEL_6567, MACHINE_SYNC_NTSC, CIATICK_NET, CIA_MODEL_DEFAULT_OLD, GLUE_DISCRETE, OLD_SID, BOARD_MAX, IEC_SOFT_RESET, HAS_DATASETTE, NO_IEC, NO_USERPORT, HAS_KEYBOARD, NO_CIA2, C64_CHARGEN_NAME, C64_KERNAL_NONE }, }; /* ------------------------------------------------------------------------- */ static int c64model_get_temp(int vicii_model, int sid_model, int glue_logic, int cia1model, int cia2model, int board, int iecreset, const char *chargen, int kernalrev) { int new_sid; int new_cia; int i; if (cia1model != cia2model) { return C64MODEL_UNKNOWN; } new_sid = is_new_sid(sid_model); new_cia = is_new_cia(cia1model); for (i = 0; i < C64MODEL_NUM; ++i) { if ((c64models[i].vicii == vicii_model) && (is_new_cia(c64models[i].cia) == new_cia) && (c64models[i].glue == glue_logic) && (c64models[i].sid == new_sid) && (c64models[i].board == board) && (c64models[i].iecreset == iecreset) && (c64models[i].kernalrev == kernalrev) && (chargen && (strcmp(c64models[i].chargenname, chargen) == 0))) { return i; } } return C64MODEL_UNKNOWN; } /* get model from details */ int c64model_get_model(c64model_details_t *details) { return c64model_get_temp(details->vicii_model, details->sid_model, details->glue_logic, details->cia1_model, details->cia2_model, details->board, details->iecreset, details->chargen, details->kernalrev); } int c64model_get(void) { int vicii_model, sid_model, glue_logic, cia1model, cia2model, board, iecreset, kernalrev; const char *chargen; if ((resources_get_int("VICIIModel", &vicii_model) < 0) || (resources_get_int("SidModel", &sid_model) < 0) || (resources_get_int("GlueLogic", &glue_logic) < 0) || (resources_get_int("CIA1Model", &cia1model) < 0) || (resources_get_int("CIA2Model", &cia2model) < 0) || (resources_get_int("BoardType", &board) < 0) || (resources_get_int("IECReset", &iecreset) < 0) || (resources_get_int("KernalRev", &kernalrev) < 0) || (resources_get_string("ChargenName", &chargen) < 0)) { return -1; } return c64model_get_temp(vicii_model, sid_model, glue_logic, cia1model, cia2model, board, iecreset, chargen, kernalrev); } static void c64model_set_temp(int model, int *vicii_model, int *sid_model, int *glue_logic, int *cia1model, int *cia2model, int *board, int *iecreset, const char *chargen, int *kernalrev) { int old_model; int old_engine; int old_sid_model; int new_sid_model; int old_type; int new_type; old_model = c64model_get_temp(*vicii_model, *sid_model, *glue_logic, *cia1model, *cia2model, *board, *iecreset, chargen, *kernalrev); if ((model == old_model) || (model == C64MODEL_UNKNOWN)) { return; } *vicii_model = c64models[model].vicii; *cia1model = c64models[model].cia; *cia2model = c64models[model].cia; *glue_logic = c64models[model].glue; *board = c64models[model].board; *iecreset = c64models[model].iecreset; *kernalrev = c64models[model].kernalrev; /* Only change the SID model if the model changes from 6581 to 8580. This allows to switch between "pal"/"oldpal" without changing the specific SID model. The current engine is preserved. */ old_engine = (*sid_model >> 8); old_sid_model = (*sid_model & 0xff); new_sid_model = c64models[model].sid; old_type = is_new_sid(old_sid_model); new_type = is_new_sid(new_sid_model); if (old_type != new_type) { *sid_model = (old_engine << 8) | new_sid_model; } } /* get details for model */ void c64model_set_details(c64model_details_t *details, int model) { c64model_set_temp(model, &details->vicii_model, &details->sid_model, &details->glue_logic, &details->cia1_model, &details->cia2_model, &details->board, &details->iecreset, details->chargen, &details->kernalrev); } void c64model_set(int model) { int old_model; int old_engine; int old_sid_model; int old_type; int new_sid_model; int new_type; int pf; old_model = c64model_get(); if ((model == old_model) || (model == C64MODEL_UNKNOWN)) { return; } resources_set_int("VICIIModel", c64models[model].vicii); /* Determine the power net frequency for this model. It will be 60Hz in all cases, except for PAL models that get the tick from the power grid */ pf = 60; if (c64models[model].ciatick == CIATICK_NET) { switch(c64models[model].video) { case MACHINE_SYNC_PAL: case MACHINE_SYNC_PALN: pf = 50; break; default: break; } } resources_set_int("MachinePowerFrequency", pf); resources_set_int("CIA1Model", c64models[model].cia); resources_set_int("CIA2Model", c64models[model].cia); resources_set_int("GlueLogic", c64models[model].glue); resources_set_int("BoardType", c64models[model].board); resources_set_int("IECReset", c64models[model].iecreset); resources_set_string("ChargenName", c64models[model].chargenname); resources_set_int("KernalRev", c64models[model].kernalrev); /* Only change the SID model if the model changes from 6581 to 8580 or the specific SID type changes if residfp is used. This allows to switch between "pal"/"oldpal" without changing the specific SID model. The current engine is preserved. */ resources_get_int("SidEngine", &old_engine); resources_get_int("SidModel", &old_sid_model); new_sid_model = c64models[model].sid; old_type = is_new_sid(old_sid_model); new_type = is_new_sid(new_sid_model); if (old_type != new_type) { sid_set_engine_model(old_engine, new_sid_model); } userport_enable(c64models[model].userport); c64keyboard_enable(c64models[model].keyboard); c64iec_enable(c64models[model].iec); tapeport_enable(c64models[model].datasette); c64_cia2_enable(c64models[model].cia2); }