Mercurial > repos > blastem
view genesis.h @ 1925:039553703c20
Don't apply address and cd register changes to the 'live' registers until pending flag is cleared, but do preserve the upper address bits in the latch. Fixes regression in Overdrive 2 while preserving fix to Mona in 344 bytes
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Mon, 13 Apr 2020 20:43:25 -0700 |
parents | b021ca0bc375 |
children | 374a5ae694e8 c3c62dbf1ceb |
line wrap: on
line source
/* 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 "system.h" #include "m68k_core.h" #ifdef NEW_CORE #include "z80.h" #else #include "z80_to_x86.h" #endif #include "ym2612.h" #include "vdp.h" #include "psg.h" #include "io.h" #include "romdb.h" #include "arena.h" #include "i2c.h" typedef struct genesis_context genesis_context; struct genesis_context { system_header header; m68k_context *m68k; z80_context *z80; vdp_context *vdp; ym2612_context *ym; psg_context *psg; uint16_t *cart; uint16_t *lock_on; uint16_t *work_ram; uint8_t *zram; void *extra; uint8_t *save_storage; void *mapper_temp; eeprom_map *eeprom_map; uint8_t *serialize_tmp; size_t serialize_size; 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; uint32_t int_latency_prev1; uint32_t int_latency_prev2; uint32_t reset_cycle; uint8_t bank_regs[8]; uint16_t z80_bank_reg; uint16_t tmss_lock[2]; uint16_t mapper_start_index; uint8_t mapper_type; uint8_t save_type; sega_io io; uint8_t version_reg; uint8_t bus_busy; uint8_t reset_requested; uint8_t tmss; eeprom_state eeprom; nor_state nor; }; #define RAM_WORDS 32 * 1024 #define Z80_RAM_BYTES 8 * 1024 m68k_context * sync_components(m68k_context *context, uint32_t address); genesis_context *alloc_config_genesis(void *rom, uint32_t rom_size, void *lock_on, uint32_t lock_on_size, uint32_t system_opts, uint8_t force_region); void genesis_serialize(genesis_context *gen, serialize_buffer *buf, uint32_t m68k_pc); void genesis_deserialize(deserialize_buffer *buf, genesis_context *gen); #endif //GENESIS_H_