Subversion Repositories igor

#include <stdio.h>

#include <err.h>

#include "memory.h"

#include "regs.h"

#include "instructions.h"

#include "microcode.h"

#include "object.h"

#include "breakpoint.h"

#include "print.h"

#include "machine.h"

#include "profiler.h"

static int running = 0;

void

machine_init(char *microcodepath, char *memorypath, unsigned int availmem, char *regpath, int cache_size)

{

        if (!memory_init(availmem, memorypath))

                err(1, "Unable to allocate memory");

        if (!microcode_init(microcodepath))

                err(1, "Unable to initialize microcode");

        instructions_init();

        regs_init(regpath);

        breakpoint_init();

        print_init();

}

void

machine_shutdown(void)

{

#if 0

        reg_t r;

        int i;

#endif

        running = 0;

        printf("Machine halted.\n\n");

#if 0

        printf("Lowest part of memory:\n");

        for (i = 0; i < 32; i++) {

                r = memory_get(i);

                printf("\t0x%07X ", i);

                object_dump(r);

        }

        printf("Lowest part of skratch:\n");

        for (i = 0; i < 32; i++) {

                r = reg_get(i);

                printf("\t0x%07X ", i);

                object_dump(r);

        }

#endif

        printf("Status flags:\n");

        printf("\tOCNZTI\n");

        printf("\t%d%d%d%d%d%d\n",

               get_status_flag(ST_O),

               get_status_flag(ST_C),

               get_status_flag(ST_N),

               get_status_flag(ST_Z),

               get_status_flag(ST_T),

               get_status_flag(ST_I));

}

void

machine_shutup(void)

{

        reg_set(REG_ST, 0);

        reg_set(REG_PC, 0);

        running = 1;

}

int

machine_up(void)

{

        return running;

}