Mercurial > repos > blastem
view system.h @ 2069:8e51c0c3f2e3 segacd
Initial attempt at implementing the Sega CD graphics hardware
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 30 Jan 2022 19:55:33 -0800 |
parents | 6399a776e981 |
children | 3f29e2726522 |
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#ifndef SYSTEM_H_ #define SYSTEM_H_ #include <stddef.h> #include <stdint.h> #include <stdio.h> typedef struct system_header system_header; typedef struct system_media system_media; typedef enum { SYSTEM_UNKNOWN, SYSTEM_GENESIS, SYSTEM_GENESIS_PLAYER, SYSTEM_SEGACD, SYSTEM_SMS, SYSTEM_SMS_PLAYER, SYSTEM_JAGUAR, } system_type; typedef enum { DEBUGGER_NATIVE, DEBUGGER_GDB } debugger_type; typedef void (*system_fun)(system_header *); typedef uint16_t (*system_fun_r16)(system_header *); typedef void (*system_str_fun)(system_header *, char *); typedef uint8_t (*system_str_fun_r8)(system_header *, char *); typedef void (*system_u32_fun)(system_header *, uint32_t); typedef void (*system_u8_fun)(system_header *, uint8_t); typedef uint8_t (*system_u8_fun_r8)(system_header *, uint8_t); typedef void (*system_u8_u8_fun)(system_header *, uint8_t, uint8_t); typedef void (*system_mabs_fun)(system_header *, uint8_t, uint16_t, uint16_t); typedef void (*system_mrel_fun)(system_header *, uint8_t, int32_t, int32_t); typedef uint8_t *(*system_ptrszt_fun_rptr8)(system_header *, size_t *); typedef void (*system_ptr8_sizet_fun)(system_header *, uint8_t *, size_t); #include "arena.h" #include "romdb.h" #include "event_log.h" struct system_header { system_header *next_context; system_str_fun start_context; system_fun resume_context; system_fun load_save; system_fun persist_save; system_u8_fun_r8 load_state; system_fun request_exit; system_fun soft_reset; system_fun free_context; system_fun_r16 get_open_bus_value; system_u32_fun set_speed_percent; system_fun inc_debug_mode; system_u8_u8_fun gamepad_down; system_u8_u8_fun gamepad_up; system_u8_u8_fun mouse_down; system_u8_u8_fun mouse_up; system_mabs_fun mouse_motion_absolute; system_mrel_fun mouse_motion_relative; system_u8_fun keyboard_down; system_u8_fun keyboard_up; system_fun config_updated; system_ptrszt_fun_rptr8 serialize; system_ptr8_sizet_fun deserialize; system_str_fun start_vgm_log; system_fun stop_vgm_log; rom_info info; arena *arena; char *next_rom; char *save_dir; uint8_t enter_debugger; uint8_t should_exit; uint8_t save_state; uint8_t delayed_load_slot; uint8_t has_keyboard; uint8_t vgm_logging; uint8_t force_release; debugger_type debugger_type; system_type type; }; typedef enum { MEDIA_CART, MEDIA_CDROM } media_type; typedef enum { TRACK_AUDIO, TRACK_DATA } track_type; typedef struct { uint32_t fake_pregap; uint32_t pregap_lba; uint32_t start_lba; uint32_t end_lba; track_type type; } track_info; struct system_media { void *buffer; char *dir; char *name; char *extension; system_media *chain; track_info *tracks; FILE *f; uint32_t num_tracks; uint32_t size; media_type type; }; #define OPT_ADDRESS_LOG (1U << 31U) system_type detect_system_type(system_media *media); system_header *alloc_config_system(system_type stype, system_media *media, uint32_t opts, uint8_t force_region); system_header *alloc_config_player(system_type stype, event_reader *reader); void system_request_exit(system_header *system, uint8_t force_release); #endif //SYSTEM_H_