SameBoy/Tester/main.c
2016-09-20 22:59:00 +03:00

337 lines
9.9 KiB
C
Executable File

#include <stdio.h>
#include <stdbool.h>
#include <unistd.h>
#include <time.h>
#include <assert.h>
#include <signal.h>
#ifdef _WIN32
#include <direct.h>
#include <windows.h>
#define snprintf _snprintf
#endif
#include "gb.h"
#include "debugger.h"
#include "memory.h"
static bool running = false;
static char *filename;
static char *bmp_filename;
static char *log_filename;
static FILE *log_file;
static void replace_extension(const char *src, size_t length, char *dest, const char *ext);
static bool push_start_a, start_is_not_first, a_is_bad, b_is_confirm, push_faster;
static unsigned int test_length = 60 * 40;
GB_gameboy_t gb;
static unsigned int frames = 0;
const char bmp_header[] = {
0x42, 0x4D, 0x48, 0x68, 0x01, 0x00, 0x00, 0x00,
0x00, 0x00, 0x46, 0x00, 0x00, 0x00, 0x38, 0x00,
0x00, 0x00, 0xA0, 0x00, 0x00, 0x00, 0x70, 0xFF,
0xFF, 0xFF, 0x01, 0x00, 0x20, 0x00, 0x03, 0x00,
0x00, 0x00, 0x02, 0x68, 0x01, 0x00, 0x12, 0x0B,
0x00, 0x00, 0x12, 0x0B, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
uint32_t bitmap[160*144];
static void vblank(GB_gameboy_t *gb)
{
/* Do not press any buttons during the last two seconds, this might cause a
screenshot to be taken while the LCD is off if the press makes the game
load graphics. */
if (push_start_a && frames < test_length - 120) {
unsigned combo_length = 40;
if (start_is_not_first) combo_length = 60; /* The start item in the menu is not the first, so also push down */
else if (a_is_bad) combo_length = 20; /* Pressing A has a negative effect (when trying to start the game). */
switch ((push_faster? frames * 2 : frames) % combo_length) {
case 0:
gb->keys[7] = true; // Start down
break;
case 10:
gb->keys[7] = false; // Start up
break;
case 20:
gb->keys[b_is_confirm? 5: 4] = true; // A down (or B)
break;
case 30:
gb->keys[b_is_confirm? 5: 4] = false; // A up (or B)
break;
case 40:
if (gb->boot_rom_finished) {
gb->keys[3] = true; // D-Pad Down down
}
break;
case 50:
gb->keys[3] = false; // D-Pad Down up
break;
}
}
/* Detect common crashes and stop the test early */
if (frames < test_length - 1) {
if (gb->backtrace_size >= 0x80) {
GB_log(gb, "A stack overflow has probably occurred.\n");
frames = test_length - 1;
}
if (gb->pc == 0x38 && GB_read_memory(gb, 0x38) == 0xFF) {
GB_log(gb, "The game is probably stuck in an FF loop.\n");
frames = test_length - 1;
}
if (gb->halted && !gb->interrupt_enable) {
GB_log(gb, "The game is deadlocked.\n");
frames = test_length - 1;
}
}
if (frames >= test_length ) {
bool is_screen_blank = false;
if (!(gb->io_registers[GB_IO_LCDC] & 0x80)) { /* LCD is off */
is_screen_blank = true;
}
else if(!gb->cgb_mode) { /* BG can't be disabled in CGB mode */
is_screen_blank =!(gb->io_registers[GB_IO_LCDC] & (gb->is_cgb? 3 : 0x23));
}
/* Let the test run for an extra 8 frames if the screen is off/disabled */
if (!is_screen_blank || frames >= test_length + 8) {
FILE *f = fopen(bmp_filename, "wb");
fwrite(&bmp_header, 1, sizeof(bmp_header), f);
fwrite(&bitmap, 1, sizeof(bitmap), f);
fclose(f);
if (!gb->boot_rom_finished) {
GB_log(gb, "Boot ROM did not finish.\n");
}
if (is_screen_blank) {
GB_log(gb, "Game probably stuck with blank screen. \n");
}
running = false;
}
}
else if (frames == test_length - 1) {
gb->disable_rendering = false;
}
frames++;
}
static void log_callback(GB_gameboy_t *gb, const char *string, GB_log_attributes attributes)
{
if (!log_file) log_file = fopen(log_filename, "w");
fprintf(log_file, "%s", string);
}
#ifdef __APPLE__
#include <mach-o/dyld.h>
#endif
static const char *executable_folder(void)
{
static char path[1024] = {0,};
if (path[0]) {
return path;
}
/* Ugly unportable code! :( */
#ifdef __APPLE__
unsigned int length = sizeof(path) - 1;
_NSGetExecutablePath(&path[0], &length);
#else
#ifdef __linux__
ssize_t length = readlink("/proc/self/exe", &path[0], sizeof(path) - 1);
assert (length != -1);
#else
#ifdef _WIN32
HMODULE hModule = GetModuleHandle(NULL);
GetModuleFileName(hModule, path, sizeof(path) - 1);
#else
/* No OS-specific way, assume running from CWD */
getcwd(&path[0], sizeof(path) - 1);
return path;
#endif
#endif
#endif
size_t pos = strlen(path);
while (pos) {
pos--;
#ifdef _WIN32
if (path[pos] == '\\') {
#else
if (path[pos] == '/') {
#endif
path[pos] = 0;
break;
}
}
return path;
}
static char *executable_relative_path(const char *filename)
{
static char path[1024];
snprintf(path, sizeof(path), "%s/%s", executable_folder(), filename);
return path;
}
static uint32_t rgb_encode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b)
{
return (r << 24) | (g << 16) | (b << 8);
}
static void replace_extension(const char *src, size_t length, char *dest, const char *ext)
{
memcpy(dest, src, length);
dest[length] = 0;
/* Remove extension */
for (size_t i = length; i--;) {
if (dest[i] == '/') break;
if (dest[i] == '.') {
dest[i] = 0;
break;
}
}
/* Add new extension */
strcat(dest, ext);
}
int main(int argc, char **argv)
{
#define str(x) #x
#define xstr(x) str(x)
fprintf(stderr, "SameBoy Tester v" xstr(VERSION) "\n");
if (argc == 1) {
fprintf(stderr, "Usage: %s [--dmg] [--start] [--length seconds]"
#ifndef _WIN32
" [--jobs number of tests to run simultaneously]"
#endif
" rom ...\n", argv[0]);
exit(1);
}
#ifndef _WIN32
unsigned int max_forks = 1;
unsigned int current_forks = 0;
#endif
bool dmg = false;
for (unsigned i = 1; i < argc; i++) {
if (strcmp(argv[i], "--dmg") == 0) {
fprintf(stderr, "Using DMG mode\n");
dmg = true;
continue;
}
if (strcmp(argv[i], "--start") == 0) {
fprintf(stderr, "Pushing Start and A\n");
push_start_a = true;
continue;
}
if (strcmp(argv[i], "--length") == 0 && i != argc - 1) {
test_length = atoi(argv[++i]) * 60;
fprintf(stderr, "Test length is %d seconds\n", test_length / 60);
continue;
}
#ifndef _WIN32
if (strcmp(argv[i], "--jobs") == 0 && i != argc - 1) {
max_forks = atoi(argv[++i]);
/* Make sure wrong input doesn't blow anything up. */
if (max_forks < 1) max_forks = 1;
if (max_forks > 16) max_forks = 16;
fprintf(stderr, "Running up to %d tests simultaneously\n", max_forks);
continue;
}
if (max_forks > 1) {
while (current_forks >= max_forks) {
int wait_out;
while(wait(&wait_out) == -1);
current_forks--;
}
current_forks++;
if (fork() != 0) continue;
}
#endif
filename = argv[i];
size_t path_length = strlen(filename);
char bitmap_path[path_length + 5]; /* At the worst case, size is strlen(path) + 4 bytes for .bmp + NULL */
replace_extension(filename, path_length, bitmap_path, ".bmp");
bmp_filename = &bitmap_path[0];
char log_path[path_length + 5];
replace_extension(filename, path_length, log_path, ".log");
log_filename = &log_path[0];
fprintf(stderr, "Testing ROM %s\n", filename);
if (dmg) {
GB_init(&gb);
if (GB_load_boot_rom(&gb, executable_relative_path("dmg_boot.bin"))) {
perror("Failed to load boot ROM");
exit(1);
}
}
else {
GB_init_cgb(&gb);
if (GB_load_boot_rom(&gb, executable_relative_path("cgb_boot.bin"))) {
perror("Failed to load boot ROM");
exit(1);
}
}
GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank);
GB_set_pixels_output(&gb, &bitmap[0]);
GB_set_rgb_encode_callback(&gb, rgb_encode);
GB_set_log_callback(&gb, log_callback);
if (GB_load_rom(&gb, filename)) {
perror("Failed to load ROM");
exit(1);
}
/* Game specific hacks for start attempt automations */
/* It's OK. No overflow is possible here. */
start_is_not_first = strcmp((const char *)(gb.rom + 0x134), "NEKOJARA") == 0 ||
strcmp((const char *)(gb.rom + 0x134), "GINGA") == 0;
a_is_bad = strcmp((const char *)(gb.rom + 0x134), "DESERT STRIKE") == 0;
b_is_confirm = strcmp((const char *)(gb.rom + 0x134), "ELITE SOCCER") == 0;
push_faster = strcmp((const char *)(gb.rom + 0x134), "MOGURA DE PON!") == 0;
/* Run emulation */
running = true;
gb.turbo = gb.turbo_dont_skip = gb.disable_rendering = true;
frames = 0;
while (running) {
GB_run(&gb);
}
if (log_file) {
fclose(log_file);
log_file = NULL;
}
GB_free(&gb);
#ifndef _WIN32
if (max_forks > 1) {
exit(0);
}
#endif
}
#ifndef _WIN32
int wait_out;
while(wait(&wait_out) != -1);
#endif
return 0;
}