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

228 lines
4.8 KiB
C

/*====================================================================
filename: opcodes.h
project: GameCube DSP Tool (gcdsp)
created: 2005.03.04
mail: duddie@walla.com
Copyright (c) 2005 Duddie
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_OPCODES_HELPER_H
#define _GDSP_OPCODES_HELPER_H
#include "Globals.h"
// ---------------------------------------------------------------------------------------
//
// --- SR
//
// ---------------------------------------------------------------------------------------
inline void dsp_SR_set_flag(uint8 flag)
{
g_dsp.r[R_SR] |= (1 << flag);
}
inline bool dsp_SR_is_flag_set(uint8 flag)
{
return((g_dsp.r[R_SR] & (1 << flag)) > 0);
}
// ---------------------------------------------------------------------------------------
//
// --- reg
//
// ---------------------------------------------------------------------------------------
inline uint16 dsp_op_read_reg(uint8 reg)
{
uint16 val;
switch (reg & 0x1f)
{
case 0x0c:
case 0x0d:
case 0x0e:
case 0x0f:
val = dsp_reg_load_stack(reg - 0x0c);
break;
default:
val = g_dsp.r[reg];
break;
}
return(val);
}
inline void dsp_op_write_reg(uint8 reg, uint16 val)
{
switch (reg & 0x1f)
{
case 0x0c:
case 0x0d:
case 0x0e:
case 0x0f:
dsp_reg_store_stack(reg - 0x0c, val);
break;
default:
g_dsp.r[reg] = val;
break;
}
}
// ---------------------------------------------------------------------------------------
//
// --- prod
//
// ---------------------------------------------------------------------------------------
inline sint64 dsp_get_long_prod()
{
sint64 val;
sint64 low_prod;
val = (sint8)g_dsp.r[0x16];
val <<= 32;
low_prod = g_dsp.r[0x15];
low_prod += g_dsp.r[0x17];
low_prod <<= 16;
low_prod |= g_dsp.r[0x14];
val += low_prod;
return(val);
}
inline void dsp_set_long_prod(sint64 val)
{
g_dsp.r[0x14] = (uint16)val;
val >>= 16;
g_dsp.r[0x15] = (uint16)val;
val >>= 16;
g_dsp.r[0x16] = (uint16)val;
g_dsp.r[0x17] = 0;
}
// ---------------------------------------------------------------------------------------
//
// --- acc
//
// ---------------------------------------------------------------------------------------
inline sint64 dsp_get_long_acc(uint8 reg)
{
_dbg_assert_(reg < 2);
sint64 val;
sint64 low_acc;
val = (sint8)g_dsp.r[0x10 + reg];
val <<= 32;
low_acc = g_dsp.r[0x1e + reg];
low_acc <<= 16;
low_acc |= g_dsp.r[0x1c + reg];
val |= low_acc;
return(val);
}
inline uint64 dsp_get_ulong_acc(uint8 reg)
{
_dbg_assert_(reg < 2);
uint64 val;
uint64 low_acc;
val = (uint8)g_dsp.r[0x10 + reg];
val <<= 32;
low_acc = g_dsp.r[0x1e + reg];
low_acc <<= 16;
low_acc |= g_dsp.r[0x1c + reg];
val |= low_acc;
return(val);
}
inline void dsp_set_long_acc(uint8 _reg, sint64 val)
{
_dbg_assert_(_reg < 2);
g_dsp.r[0x1c + _reg] = (uint16)val;
val >>= 16;
g_dsp.r[0x1e + _reg] = (uint16)val;
val >>= 16;
g_dsp.r[0x10 + _reg] = (uint16)val;
}
inline sint16 dsp_get_acc_l(uint8 _reg)
{
_dbg_assert_(_reg < 2);
return(g_dsp.r[0x1c + _reg]);
}
inline sint16 dsp_get_acc_m(uint8 _reg)
{
_dbg_assert_(_reg < 2);
return(g_dsp.r[0x1e + _reg]);
}
sint16 dsp_get_acc_h(uint8 _reg)
{
_dbg_assert_(_reg < 2);
return(g_dsp.r[0x10 + _reg]);
}
// ---------------------------------------------------------------------------------------
//
// --- acx
//
// ---------------------------------------------------------------------------------------
inline sint64 dsp_get_long_acx(uint8 _reg)
{
_dbg_assert_(_reg < 2);
sint64 val = (sint16)g_dsp.r[0x1a + _reg];
val <<= 16;
sint64 low_acc = g_dsp.r[0x18 + _reg];
val |= low_acc;
return(val);
}
inline sint16 dsp_get_ax_l(uint8 _reg)
{
_dbg_assert_(_reg < 2);
return(g_dsp.r[0x18 + _reg]);
}
inline sint16 dsp_get_ax_h(uint8 _reg)
{
_dbg_assert_(_reg < 2);
return(g_dsp.r[0x1a + _reg]);
}
#endif