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Rumble API

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This commit is contained in:
Lior Halphon 2016-10-22 15:37:03 +03:00
parent 2d51d13479
commit 47aaf44017
3 changed files with 23 additions and 0 deletions
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10
Core/gb.c
View File

@ -350,6 +350,11 @@ int GB_load_state(GB_gameboy_t *gb, const char *path)
memcpy(gb, &save, sizeof(save));
errno = 0;
if (gb->cartridge_type->has_rumble && gb->rumble_callback) {
gb->rumble_callback(gb, gb->rumble_state);
}
error:
fclose(f);
return errno;
@ -489,6 +494,11 @@ void GB_queue_infrared_input(GB_gameboy_t *gb, bool state, long cycles_after_pre
gb->ir_queue[gb->ir_queue_length++] = (GB_ir_queue_item_t){state, cycles_after_previous_change};
}
void GB_set_rumble_callback(GB_gameboy_t *gb, GB_rumble_callback_t callback)
{
gb->rumble_callback = callback;
}
void GB_set_sample_rate(GB_gameboy_t *gb, unsigned int sample_rate)
{
if (gb->audio_buffer) {

4
Core/gb.h
View File

@ -161,6 +161,7 @@ typedef uint32_t (*GB_rgb_encode_callback_t)(GB_gameboy_t *gb, uint8_t r, uint8_
typedef void (*GB_infrared_callback_t)(GB_gameboy_t *gb, bool on, long cycles_since_last_update);
typedef uint8_t (*GB_camera_get_pixel_callback_t)(GB_gameboy_t *gb, uint8_t x, uint8_t y);
typedef void (*GB_camera_update_request_callback_t)(GB_gameboy_t *gb);
typedef void (*GB_rumble_callback_t)(GB_gameboy_t *gb, bool rumble_on);
typedef struct {
enum {
@ -317,6 +318,7 @@ typedef struct GB_gameboy_s {
uint16_t mbc_rom0_bank; /* For some MBC1 wirings. */
bool camera_registers_mapped;
uint8_t camera_registers[0x36];
bool rumble_state;
);
@ -415,6 +417,7 @@ typedef struct GB_gameboy_s {
GB_infrared_callback_t infrared_callback;
GB_camera_get_pixel_callback_t camera_get_pixel_callback;
GB_camera_update_request_callback_t camera_update_request_callback;
GB_rumble_callback_t rumble_callback;
/* IR */
long cycles_since_ir_change;
@ -493,4 +496,5 @@ void GB_set_rgb_encode_callback(GB_gameboy_t *gb, GB_rgb_encode_callback_t callb
void GB_set_infrared_callback(GB_gameboy_t *gb, GB_infrared_callback_t callback);
void GB_set_infrared_input(GB_gameboy_t *gb, bool state);
void GB_queue_infrared_input(GB_gameboy_t *gb, bool state, long cycles_after_previous_change);
void GB_set_rumble_callback(GB_gameboy_t *gb, GB_rumble_callback_t callback);
#endif /* GB_h */

9
Core/memory.c
View File

@ -317,6 +317,15 @@ static void write_mbc(GB_gameboy_t *gb, uint16_t addr, uint8_t value)
case 0x2000: gb->mbc5.rom_bank_low = value; break;
case 0x3000: gb->mbc5.rom_bank_high = value; break;
case 0x4000: case 0x5000:
if (gb->cartridge_type->has_rumble) {
if (!!(value & 8) != gb->rumble_state) {
gb->rumble_state = !gb->rumble_state;
if (gb->rumble_callback) {
gb->rumble_callback(gb, gb->rumble_state);
}
}
value &= 7;
}
gb->mbc5.ram_bank = value;
gb->camera_registers_mapped = (value & 0x10) && gb->cartridge_type->mbc_subtype == GB_CAMERA;
break;