dolphin/Source/Plugins/Plugin_DSP_LLE/Src/gdsp_interpreter.h

95 lines
2.6 KiB
C

/*====================================================================
filename: gdsp_interpreter.h
project: GCemu
created: 2004-6-18
mail: duddie@walla.com
Copyright (c) 2005 Duddie & Tratax
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
====================================================================*/
#ifndef _GDSP_INTERPRETER_H
#define _GDSP_INTERPRETER_H
#include "Globals.h"
#define DSP_IRAM_SIZE (0x1000)
#define DSP_IRAM_MASK (0x0fff)
#define DSP_IROM_SIZE (0x1000)
#define DSP_IROM_MASK (0x0fff)
#define DSP_DRAM_SIZE (0x1000)
#define DSP_DRAM_MASK (0x0fff)
#define DSP_DROM_SIZE (0x1000)
#define DSP_DROM_MASK (0x0fff)
#define DSP_COEF_SIZE (0x1000)
#define DSP_COEF_MASK (0x0fff)
#define DSP_RESET_VECTOR (0x8000)
#define DSP_STACK_DEPTH 0x20
#define DSP_STACK_MASK 0x1f
struct SDSP
{
static uint16 r[32];
static uint16 pc;
static uint16 err_pc;
static uint16* iram;
static uint16* dram;
static uint16* irom;
static uint16* drom;
static uint16* coef;
static uint8* cpu_ram;
static uint16 cr;
static uint8 reg_stack_ptr[4];
// lets make stack depth to 32 for now
static uint16 reg_stack[4][DSP_STACK_DEPTH];
static void (* irq_request)(void);
// for debugger only
static uint32 iram_crc;
static uint64 step_counter;
static bool exception_in_progress_hack;
};
extern SDSP g_dsp;
void gdsp_init(void);
void gdsp_reset(void);
bool gdsp_load_rom(char* fname);
bool gdsp_load_coef(char* fname);
// steps through DSP code, returns false if error occured
void gdsp_step(void);
void gdsp_loop_step();
bool gdsp_run(void);
bool gdsp_runx(uint16 cnt);
void gdsp_stop(void);
void gdsp_write_cr(uint16 val);
uint16 gdsp_read_cr(void);
uint16* gdsp_get_iram(void);
uint16* gdsp_get_irom(void);
uint16* gdsp_get_dram(void);
uint16* gdsp_get_drom(void);
#endif