diff options
Diffstat (limited to 'genesis.c')
| -rw-r--r-- | genesis.c | 22 |
1 files changed, 22 insertions, 0 deletions
@@ -790,6 +790,18 @@ void set_region(genesis_context *gen, rom_info *info, uint8_t region) gen->master_clock = gen->normal_clock; } +static void handle_reset_requests(genesis_context *gen) +{ + while (gen->reset_requested) + { + gen->reset_requested = 0; + z80_assert_reset(gen->z80, gen->m68k->current_cycle); + z80_clear_busreq(gen->z80, gen->m68k->current_cycle); + //Is there any sort of VDP reset? + m68k_reset(gen->m68k); + } +} + static void start_genesis(system_header *system, char *statefile) { genesis_context *gen = (genesis_context *)system; @@ -815,6 +827,7 @@ static void start_genesis(system_header *system, char *statefile) } m68k_reset(gen->m68k); } + handle_reset_requests(gen); } static void resume_genesis(system_header *system) @@ -823,6 +836,7 @@ static void resume_genesis(system_header *system) map_all_bindings(&gen->io); render_set_video_standard((gen->version_reg & HZ50) ? VID_PAL : VID_NTSC); resume_68k(gen->m68k); + handle_reset_requests(gen); } static void inc_debug_mode(system_header *system) @@ -878,6 +892,13 @@ static void load_save(system_header *system) } } +static void soft_reset(system_header *system) +{ + genesis_context *gen = (genesis_context *)system; + gen->m68k->should_return = 1; + gen->reset_requested = 1; +} + static void free_genesis(system_header *system) { genesis_context *gen = (genesis_context *)system; @@ -912,6 +933,7 @@ genesis_context *alloc_init_genesis(rom_info *rom, void *main_rom, void *lock_on gen->header.resume_context = resume_genesis; gen->header.load_save = load_save; gen->header.persist_save = persist_save; + gen->header.soft_reset = soft_reset; gen->header.free_context = free_genesis; gen->header.get_open_bus_value = get_open_bus_value; gen->header.request_exit = request_exit; |