Mercurial > repos > blastem
view genesis.h @ 1103:22e87b739ad6
WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
author | Michael Pavone <pavone@retrodev.com> |
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date | Fri, 09 Dec 2016 09:48:48 -0800 |
parents | blastem.h@5fb64487b6e1 |
children | 2eb54e24914e |
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/* Copyright 2013 Michael Pavone This file is part of BlastEm. BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text. */ #ifndef GENESIS_H_ #define GENESIS_H_ #include <stdint.h> #include "m68k_core.h" #include "z80_to_x86.h" #include "ym2612.h" #include "vdp.h" #include "psg.h" #include "io.h" #include "romdb.h" #include "arena.h" typedef struct genesis_context genesis_context; struct genesis_context { m68k_context *m68k; z80_context *z80; vdp_context *vdp; ym2612_context *ym; psg_context *psg; genesis_context *next_context; uint16_t *cart; uint16_t *lock_on; uint16_t *work_ram; uint8_t *zram; void *extra; arena *arena; char *next_rom; char *save_dir; uint8_t *save_storage; eeprom_map *eeprom_map; uint32_t num_eeprom; uint32_t save_size; uint32_t save_ram_mask; uint32_t master_clock; //Current master clock value uint32_t normal_clock; //Normal master clock (used to restore master clock after turbo mode) uint32_t frame_end; uint32_t max_cycles; uint8_t bank_regs[8]; uint16_t mapper_start_index; uint8_t save_type; io_port ports[3]; uint8_t version_reg; uint8_t bus_busy; uint8_t should_exit; uint8_t save_state; uint8_t mouse_mode; uint8_t mouse_captured; eeprom_state eeprom; }; extern genesis_context * genesis; extern int break_on_sync; #define RAM_WORDS 32 * 1024 #define Z80_RAM_BYTES 8 * 1024 uint16_t read_dma_value(uint32_t address); uint16_t get_open_bus_value(); m68k_context * sync_components(m68k_context *context, uint32_t address); m68k_context * debugger(m68k_context * context, uint32_t address); void set_speed_percent(genesis_context * context, uint32_t percent); genesis_context *alloc_config_genesis(void *rom, uint32_t rom_size, void *lock_on, uint32_t lock_on_size, uint32_t ym_opts, uint8_t force_region, rom_info *info_out); void start_genesis(genesis_context *gen, char *statefile, uint8_t *debugger); void free_genesis(genesis_context *gen); #endif //GENESIS_H_