49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/* simdata.c
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This file is part of the "First" CPU simulator project.
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Copyright (c) 2024 Efthymios Kritikos
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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#include "simdata.h"
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#include <stdio.h>
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struct simdata_t *init_simdata(){
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struct simdata_t * ret=malloc(sizeof(struct simdata_t));
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if(!ret){
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ret->current_clock=0;
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return 0;
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}
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ret->RAM=malloc(16777216); //Maximum addressable memory
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if(!ret->RAM){
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printf("failed to allocate 16MiB of memory for the system ram");
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free(ret);
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return 0;
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}
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ret->PC=0;
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ret->SP=0;
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return ret;
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}
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void free_simdata(struct simdata_t *p){
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free(p->RAM);
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free(p);
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}
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