int main(int ac, char** av)
{
t_vm* vm = vm_initialize();
t_process* process = (t_process*) malloc(sizeof(t_process));
int32 i;
t_display* display;
int32 update_display = 0;
int32 was_pressed = 0;
t_ring_buffer* ring_buffer;
ring_buffer = ring_buffer_initialize(10, free);
if (load_cores(vm, ac, av) <= 0)
return -1;
display = display_initialize(800, 600);
vm_set_print_callback(vm, main_debug_print, ring_buffer);
if (1)
{
while (vm->process_count && !display_should_exit(display))
{
vm->cycle_current++;
update_display = 1;
int process_count = vm->process_count;
for (i = 0; i < process_count; ++i)
{
t_process* process = vm->processes[i];
if (process->cycle_wait <= 0)
{
update_display = 0;
vm_reset_process_io_op(process);
if (process->current_opcode)
vm_execute(vm, process);
vm_get_opcode(vm, process);
}
else
process->cycle_wait--;
}
if (vm->cycle_current > vm->cycle_to_die)
{
vm->cycle_current = 0;
vm_kill_process_if_no_live(vm);
}
vm_clean_dead_process(vm);
// update_display = 0;
if (display_update_input(display) || update_display == 0)
{
display_print_ring_buffer(display, 0, 0, ring_buffer);
display_step(vm, display);
}
}
}
else
{
int32 execute_one = 0;
int32 current_keys_state[GLFW_KEY_LAST];
int32 previous_keys_state[GLFW_KEY_LAST];
memset(previous_keys_state, 0, GLFW_KEY_LAST * sizeof(int32));
memset(current_keys_state, 0, GLFW_KEY_LAST * sizeof(int32));
display_step(vm, display);
while (vm->process_count && !display_should_exit(display))
{
int32 executed = 0;
int32 print_processes;
int32 process_count = 0;
current_keys_state[GLFW_KEY_S] = display_key_pressed(display, GLFW_KEY_S);
current_keys_state[GLFW_KEY_P] = display_key_pressed(display, GLFW_KEY_P);
if (!execute_one)
execute_one = previous_keys_state[GLFW_KEY_S] && !current_keys_state[GLFW_KEY_S];
print_processes = previous_keys_state[GLFW_KEY_P] && !current_keys_state[GLFW_KEY_P];
memcpy(previous_keys_state, current_keys_state, sizeof(int32) * GLFW_KEY_LAST);
if (execute_one)
vm->cycle_current++;
for (i = 0; i < vm->process_count; ++i)
{
t_process* process = vm->processes[i];
if (print_processes)
vm_debug_print_process(vm, process);
if (execute_one)
{
if (process->cycle_wait <= 0)
{
vm_reset_process_io_op(process);
vm_execute(vm, process);
vm_get_opcode(vm, process);
executed++;
if (vm->live_count >= NBR_LIVE)
{
vm->live_count = 0;
vm->cycle_to_die -= vm->cycle_delta;
}
}
process->cycle_wait--;
}
}
if (executed)
execute_one = 0;
if (vm->cycle_current > vm->cycle_to_die)
{
vm->cycle_current = 0;
vm_kill_process_if_no_live(vm);
}
vm_clean_dead_process(vm);
executed += display_update_input(display);
if (executed)
display_step(vm, display);
else
glfwPollEvents();
}
}
ring_buffer_destroy(ring_buffer);
display_destroy(display);
vm_destroy(vm);
}
int main(int ac, char** av) {
vm_t* vm;
display_gl_t* display = NULL;
int bound;
int i;
debugger_t* debugger = NULL;
vm = vm_initialize();
if ( (parse_arguments(vm, ac, av) <= 0) || (check_core_endianess(vm) < 0)) {
return -1;
}
bound = VM_MEMORY_SIZE / (vm->core_count - 1);
for (i = 0; i < vm->core_count; ++i) {
vm->cores[i]->bound.start = vm->cores[i]->start_address;
vm->cores[i]->bound.size = bound;
}
memory_access_initialize(is_cpu_big_endian() != vm->big_endian);
#if defined(_DEBUG)
vm->full_screen = 0;
#endif
#ifdef RENDER_GL
display = display_gl_initialize(1980, 1080, vm->full_screen);
if (vm->step != -1) {
debugger = debugger_init(vm->dbg_same_window ? display_gl_get_window(display) : NULL);
}
#endif
while (vm->process_count && !display_gl_should_exit(display)) {
int32 i;
int update_display = 0;
if (vm->cycle_barrier == vm->cycle_total) {
for (i = 0; i < vm->core_count; ++i) {
vm->cores[i]->bound.start = 0;
vm->cores[i]->bound.size = vm->memory_size;
}
}
if (vm->step != 0) {
vm->cycle_current++;
vm->cycle_total++;
int32 process_count = vm->process_count;
for (i = process_count; i > 0; --i) {
process_t* process = vm->processes[i - 1];
process->cycle_wait--;
if (process->cycle_wait <= 0) {
vm_reset_process_io_op(process);
vm_execute(vm, process);
update_display = 1;
if (vm->step > 0 && (vm->step_process == NULL || vm->step_process == process) ) {
vm->step --;
}
}
}
if (vm->cycle_current > vm->cycle_to_die) {
vm->cycle_current = 0;
vm_kill_process_if_no_live(vm);
vm_clean_dead_process(vm);
}
} else {
update_display = 1;
}
#ifdef RENDER_GL
update_display |= display_gl_update_input(display);
if (update_display)
{
float y = 1;
y = display_gl_text(display, 0, y, 0xffffffff, "cycle to die %d", vm->cycle_to_die);
y = display_gl_text(display, 0, y, 0xffffffff, "live count %d ", vm->live_count);
y = display_gl_text(display, 0, y, 0xffffffff, "process count %d ", vm->process_count);
y = display_gl_text(display, 0, y, 0xffffffff, "cycle %d ", vm->cycle_total);
y = display_gl_text(display, 0, y, 0xffffffff, "barrier %d ", vm->cycle_barrier);
for (i = 0; i < vm->core_count; ++i) {
core_t* core = vm->cores[i];
char* name = core->header ? core->header->name : "Unknow";
y = display_gl_text(display, 0, y, 0xffffffff, "%s %d", name, core->live_count);
}
display_gl_step(vm, display);
display_gl_swap(display);
}
if (debugger && vm->step != 1) {
debugger_render(debugger, vm);
}
#endif
}
print_winning_core(vm);
if (debugger) {
debugger_destroy(debugger);
}
#ifdef RENDER_GL
display_gl_destroy(display);
#endif
vm_destroy(vm);
}
