static unsigned int BS_Read(unsigned int address)
{
if (address >= 0x8000)
{
return prgrom[address];
}
return memory_read8(address);
}
void
emul_bench (struct _sim_cpu* cpu)
{
int op;
op = cpu_get_d (cpu);
switch (op)
{
case 0:
bench_mode = 0;
gettimeofday (&bench_start, 0);
break;
case 1:
gettimeofday (&bench_stop, 0);
if (bench_mode != 0)
printf ("bench start not called...\n");
bench_mode = 1;
break;
case 2:
{
int sz = 0;
int addr = cpu_get_x (cpu);
double t_start, t_stop, t;
char buf[1024];
op = cpu_get_y (cpu);
t_start = (double) (bench_start.tv_sec) * 1.0e6;
t_start += (double) (bench_start.tv_usec);
t_stop = (double) (bench_stop.tv_sec) * 1.0e6;
t_stop += (double) (bench_stop.tv_usec);
while (sz < 1024)
{
buf[sz] = memory_read8 (cpu, addr);
if (buf[sz] == 0)
break;
sz ++;
addr++;
}
buf[1023] = 0;
if (bench_mode != 1)
printf ("bench_stop not called");
bench_mode = -1;
t = t_stop - t_start;
printf ("%-40.40s [%6d] %3.3f us\n", buf,
op, t / (double) (op));
break;
}
}
}
void
emul_write(struct _sim_cpu* state)
{
int addr = cpu_get_x (state) & 0x0FFFF;
int size = cpu_get_d (state) & 0x0FFFF;
if (addr + size > 0x0FFFF) {
size = 0x0FFFF - addr;
}
state->cpu_running = 0;
while (size)
{
uint8 val = memory_read8 (state, addr);
write(0, &val, 1);
addr ++;
size--;
}
}
