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Add JOYP write callback API

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This commit is contained in:
Lior Halphon 2019-07-15 22:01:41 +03:00
parent 2bfe922650
commit e1873ad2ec
3 changed files with 13 additions and 0 deletions
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5
Core/gb.c
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@ -906,3 +906,8 @@ double GB_get_usual_frame_rate(GB_gameboy_t *gb)
{
return GB_get_clock_rate(gb) / (double)LCDC_PERIOD;
}
void GB_set_joyp_write_callback(GB_gameboy_t *gb, GB_joyp_write_callback_t callback)
{
gb->joyp_write_callback = callback;
}

5
Core/gb.h
View File

@ -242,6 +242,7 @@ typedef void (*GB_rumble_callback_t)(GB_gameboy_t *gb, bool rumble_on);
typedef void (*GB_serial_transfer_bit_start_callback_t)(GB_gameboy_t *gb, bool bit_to_send);
typedef bool (*GB_serial_transfer_bit_end_callback_t)(GB_gameboy_t *gb);
typedef void (*GB_update_input_hint_callback_t)(GB_gameboy_t *gb);
typedef void (*GB_joyp_write_callback_t)(GB_gameboy_t *gb, uint8_t value);
typedef struct {
bool state;
@ -533,6 +534,7 @@ struct GB_gameboy_internal_s {
GB_serial_transfer_bit_start_callback_t serial_transfer_bit_start_callback;
GB_serial_transfer_bit_end_callback_t serial_transfer_bit_end_callback;
GB_update_input_hint_callback_t update_input_hint_callback;
GB_joyp_write_callback_t joyp_write_callback;
/* IR */
long cycles_since_ir_change; // In 8MHz units
@ -691,6 +693,9 @@ bool GB_serial_get_data_bit(GB_gameboy_t *gb);
void GB_serial_set_data_bit(GB_gameboy_t *gb, bool data);
void GB_disconnect_serial(GB_gameboy_t *gb);
/* For integration with SFC/SNES emulators */
void GB_set_joyp_write_callback(GB_gameboy_t *gb, GB_joyp_write_callback_t callback);
#ifdef GB_INTERNAL
uint32_t GB_get_clock_rate(GB_gameboy_t *gb);

3
Core/sgb.c
View File

@ -295,6 +295,9 @@ static void command_ready(GB_gameboy_t *gb)
void GB_sgb_write(GB_gameboy_t *gb, uint8_t value)
{
if (gb->joyp_write_callback) {
gb->joyp_write_callback(gb, value);
}
if (!GB_is_sgb(gb)) return;
if (!GB_is_hle_sgb(gb)) {
/* Notify via callback */