2008-07-12 17:40:22 +00:00
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/*====================================================================
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filename: opcodes.h
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project: GameCube DSP Tool (gcdsp)
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created: 2005.03.04
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mail: duddie@walla.com
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Copyright (c) 2005 Duddie
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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====================================================================*/
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#ifndef _GDSP_OPCODES_HELPER_H
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#define _GDSP_OPCODES_HELPER_H
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#include "Globals.h"
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2008-09-16 13:53:11 +00:00
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#include "gdsp_opcodes.h"
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#include "gdsp_memory.h"
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#include "gdsp_interpreter.h"
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#include "gdsp_registers.h"
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#include "gdsp_ext_op.h"
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2008-07-12 17:40:22 +00:00
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// ---------------------------------------------------------------------------------------
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//
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// --- SR
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//
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// ---------------------------------------------------------------------------------------
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inline void dsp_SR_set_flag(uint8 flag)
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{
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g_dsp.r[R_SR] |= (1 << flag);
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}
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inline bool dsp_SR_is_flag_set(uint8 flag)
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{
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return((g_dsp.r[R_SR] & (1 << flag)) > 0);
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}
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// ---------------------------------------------------------------------------------------
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//
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// --- reg
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//
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// ---------------------------------------------------------------------------------------
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inline uint16 dsp_op_read_reg(uint8 reg)
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{
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uint16 val;
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switch (reg & 0x1f)
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{
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case 0x0c:
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case 0x0d:
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case 0x0e:
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case 0x0f:
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val = dsp_reg_load_stack(reg - 0x0c);
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break;
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default:
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val = g_dsp.r[reg];
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break;
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}
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return(val);
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}
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inline void dsp_op_write_reg(uint8 reg, uint16 val)
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{
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switch (reg & 0x1f)
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{
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case 0x0c:
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case 0x0d:
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case 0x0e:
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case 0x0f:
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dsp_reg_store_stack(reg - 0x0c, val);
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break;
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default:
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g_dsp.r[reg] = val;
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break;
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}
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}
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// ---------------------------------------------------------------------------------------
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//
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// --- prod
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//
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// ---------------------------------------------------------------------------------------
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inline sint64 dsp_get_long_prod()
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{
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2008-10-17 17:59:16 +00:00
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#if PROFILE
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ProfilerAddDelta(g_dsp.err_pc, 1);
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#endif
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2008-07-12 17:40:22 +00:00
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sint64 val;
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sint64 low_prod;
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val = (sint8)g_dsp.r[0x16];
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val <<= 32;
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low_prod = g_dsp.r[0x15];
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low_prod += g_dsp.r[0x17];
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low_prod <<= 16;
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low_prod |= g_dsp.r[0x14];
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val += low_prod;
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return(val);
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}
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inline void dsp_set_long_prod(sint64 val)
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{
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2008-10-17 17:59:16 +00:00
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#if PROFILE
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ProfilerAddDelta(g_dsp.err_pc, 1);
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#endif
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2008-07-12 17:40:22 +00:00
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g_dsp.r[0x14] = (uint16)val;
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val >>= 16;
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g_dsp.r[0x15] = (uint16)val;
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val >>= 16;
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g_dsp.r[0x16] = (uint16)val;
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g_dsp.r[0x17] = 0;
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}
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// ---------------------------------------------------------------------------------------
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//
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// --- acc
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//
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// ---------------------------------------------------------------------------------------
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inline sint64 dsp_get_long_acc(uint8 reg)
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{
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2008-10-17 17:59:16 +00:00
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#if PROFILE
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ProfilerAddDelta(g_dsp.err_pc, 1);
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#endif
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2008-11-26 20:28:03 +00:00
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_assert_(reg < 2);
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2008-07-12 17:40:22 +00:00
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sint64 val;
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sint64 low_acc;
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val = (sint8)g_dsp.r[0x10 + reg];
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val <<= 32;
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low_acc = g_dsp.r[0x1e + reg];
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low_acc <<= 16;
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low_acc |= g_dsp.r[0x1c + reg];
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val |= low_acc;
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return(val);
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}
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inline uint64 dsp_get_ulong_acc(uint8 reg)
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{
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2008-10-17 17:59:16 +00:00
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#if PROFILE
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ProfilerAddDelta(g_dsp.err_pc, 1);
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#endif
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2008-11-26 20:28:03 +00:00
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_assert_(reg < 2);
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2008-07-12 17:40:22 +00:00
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uint64 val;
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uint64 low_acc;
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val = (uint8)g_dsp.r[0x10 + reg];
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val <<= 32;
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low_acc = g_dsp.r[0x1e + reg];
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low_acc <<= 16;
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low_acc |= g_dsp.r[0x1c + reg];
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val |= low_acc;
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return(val);
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}
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inline void dsp_set_long_acc(uint8 _reg, sint64 val)
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{
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2008-10-17 17:59:16 +00:00
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#if PROFILE
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ProfilerAddDelta(g_dsp.err_pc, 1);
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#endif
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2008-11-26 20:28:03 +00:00
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_assert_(_reg < 2);
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2008-07-12 17:40:22 +00:00
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g_dsp.r[0x1c + _reg] = (uint16)val;
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val >>= 16;
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g_dsp.r[0x1e + _reg] = (uint16)val;
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val >>= 16;
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g_dsp.r[0x10 + _reg] = (uint16)val;
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}
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inline sint16 dsp_get_acc_l(uint8 _reg)
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{
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2008-11-26 20:28:03 +00:00
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_assert_(_reg < 2);
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2008-07-12 17:40:22 +00:00
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return(g_dsp.r[0x1c + _reg]);
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}
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inline sint16 dsp_get_acc_m(uint8 _reg)
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{
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2008-11-26 20:28:03 +00:00
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_assert_(_reg < 2);
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2008-07-12 17:40:22 +00:00
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return(g_dsp.r[0x1e + _reg]);
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}
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2008-09-16 13:53:11 +00:00
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inline sint16 dsp_get_acc_h(uint8 _reg)
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2008-07-12 17:40:22 +00:00
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{
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2008-11-26 20:28:03 +00:00
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_assert_(_reg < 2);
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2008-07-12 17:40:22 +00:00
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return(g_dsp.r[0x10 + _reg]);
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}
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// ---------------------------------------------------------------------------------------
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//
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// --- acx
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//
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// ---------------------------------------------------------------------------------------
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inline sint64 dsp_get_long_acx(uint8 _reg)
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{
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2008-10-17 17:59:16 +00:00
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#if PROFILE
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ProfilerAddDelta(g_dsp.err_pc, 1);
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#endif
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2008-11-26 20:28:03 +00:00
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_assert_(_reg < 2);
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2008-07-12 17:40:22 +00:00
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sint64 val = (sint16)g_dsp.r[0x1a + _reg];
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val <<= 16;
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sint64 low_acc = g_dsp.r[0x18 + _reg];
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val |= low_acc;
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return(val);
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}
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inline sint16 dsp_get_ax_l(uint8 _reg)
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{
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2008-11-26 20:28:03 +00:00
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_assert_(_reg < 2);
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2008-07-12 17:40:22 +00:00
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return(g_dsp.r[0x18 + _reg]);
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}
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inline sint16 dsp_get_ax_h(uint8 _reg)
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{
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2008-11-26 20:28:03 +00:00
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_assert_(_reg < 2);
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2008-07-12 17:40:22 +00:00
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return(g_dsp.r[0x1a + _reg]);
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}
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#endif
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