98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
#include <emscripten.h>
|
|
#include <stdbool.h>
|
|
#include <stdio.h>
|
|
#include <Core/gb.h>
|
|
|
|
unsigned audio_sample_rate = 0;
|
|
GB_gameboy_t gb;
|
|
|
|
#define VIDEO_WIDTH 160
|
|
#define VIDEO_HEIGHT 144
|
|
#define VIDEO_PIXELS (VIDEO_WIDTH * VIDEO_HEIGHT)
|
|
|
|
#define SGB_VIDEO_WIDTH 256
|
|
#define SGB_VIDEO_HEIGHT 224
|
|
#define SGB_VIDEO_PIXELS (SGB_VIDEO_WIDTH * SGB_VIDEO_HEIGHT)
|
|
|
|
#define FRAME_RATE 0 // let the browser schedule (usually 60 FPS), if absolutely needed define as (0x400000 / 70224.0)
|
|
|
|
static GB_model_t model;
|
|
// static GB_model_t auto_model = GB_MODEL_CGB_C;
|
|
|
|
static uint32_t pixel_buffer_1[256 * 224], pixel_buffer_2[256 * 224];
|
|
static uint32_t *active_pixel_buffer = pixel_buffer_1;
|
|
static uint32_t *previous_pixel_buffer = pixel_buffer_2;
|
|
|
|
signed short soundbuf[1024 * 2];
|
|
|
|
unsigned query_sample_rate_of_audiocontexts() {
|
|
return EM_ASM_INT({
|
|
var AudioContext = window.AudioContext || window.webkitAudioContext;
|
|
var ctx = new AudioContext();
|
|
var sr = ctx.sampleRate;
|
|
ctx.close();
|
|
return sr;
|
|
});
|
|
}
|
|
|
|
static void handle_events(GB_gameboy_t *gb) {
|
|
GB_set_key_state(gb, GB_KEY_START, true);
|
|
}
|
|
|
|
static void vblank(GB_gameboy_t *gb) {
|
|
if (1 == 1) {
|
|
// render_texture(active_pixel_buffer, previous_pixel_buffer);
|
|
uint32_t *temp = active_pixel_buffer;
|
|
active_pixel_buffer = previous_pixel_buffer;
|
|
previous_pixel_buffer = temp;
|
|
GB_set_pixels_output(gb, active_pixel_buffer);
|
|
}
|
|
else {
|
|
// render_texture(active_pixel_buffer, NULL);
|
|
}
|
|
|
|
handle_events(gb);
|
|
}
|
|
|
|
static uint32_t rgb_encode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b)
|
|
{
|
|
return (r << 16) | (g << 8) | b;
|
|
}
|
|
|
|
|
|
void run() {
|
|
if (GB_is_inited(&gb)) {
|
|
GB_switch_model_and_reset(&gb, model);
|
|
}
|
|
else {
|
|
GB_init(&gb, model);
|
|
|
|
GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank);
|
|
GB_set_pixels_output(&gb, active_pixel_buffer);
|
|
GB_set_rgb_encode_callback(&gb, rgb_encode);
|
|
GB_set_sample_rate(&gb, audio_sample_rate);
|
|
GB_set_color_correction_mode(&gb, GB_COLOR_CORRECTION_DISABLED); // TODO
|
|
GB_set_highpass_filter_mode(&gb, GB_HIGHPASS_OFF); // TODO
|
|
GB_set_rewind_length(&gb, 0);
|
|
}
|
|
|
|
GB_debugger_execute_command(&gb, "registers");
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
#define str(x) #x
|
|
#define xstr(x) str(x)
|
|
fprintf(stderr, "SameBoy v" xstr(VERSION) "\n");
|
|
|
|
audio_sample_rate = query_sample_rate_of_audiocontexts();
|
|
|
|
fprintf(stderr, "Sample rate: %u\n", audio_sample_rate);
|
|
|
|
emscripten_set_main_loop(
|
|
run, // our main loop
|
|
FRAME_RATE,
|
|
true // infinite loop
|
|
);
|
|
}
|