331 lines
10 KiB
C++
331 lines
10 KiB
C++
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/******************************************************************************/
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/* Mednafen Sega Saturn Emulation Module */
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/******************************************************************************/
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/* mission.cpp:
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** Copyright (C) 2017 Mednafen Team
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**
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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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**
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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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**
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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 Foundation, Inc.,
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** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/*
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Real mission stick has bugs and quirks that aren't emulated here(like apparently latching/updating the physical input state at the end of the
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read sequence instead of near the beginning like other controllers do, resulting in increased latency).
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*/
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#include "common.h"
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#include "mission.h"
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namespace MDFN_IEN_SS
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{
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IODevice_Mission::IODevice_Mission(const bool dual_) : dbuttons(0), afeswitches(0), afspeed(0), dual(dual_)
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{
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}
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IODevice_Mission::~IODevice_Mission()
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{
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}
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void IODevice_Mission::Power(void)
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{
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phase = -1;
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tl = true;
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data_out = 0x01;
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// Power-on state not tested:
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afcounter = 0;
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afphase = false;
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}
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void IODevice_Mission::UpdateInput(const uint8* data, const int32 time_elapsed)
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{
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const uint32 dtmp = MDFN_de32lsb(&data[0]);
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dbuttons = (dbuttons & 0xF) | ((dtmp & 0xFFF) << 4);
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afeswitches = ((dtmp >> 12) & 0x8FF) << 4;
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afspeed = (dtmp >> 20) & 0x7;
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for(unsigned stick = 0; stick < (dual ? 2 : 1); stick++)
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{
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for(unsigned axis = 0; axis < 3; axis++)
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{
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int32 tmp = 32767 + MDFN_de16lsb(&data[0x3 + ((axis + (stick * 3)) * 4) + 2]) - MDFN_de16lsb(&data[0x3 + ((axis + (stick * 3)) * 4) + 0]);
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axes[stick][axis] = (tmp * 255 + 32767) / 65534;
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}
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}
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//printf("Update: %02x %02x %02x\n", axes[0][0], axes[0][1], axes[0][2]);
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}
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uint8 IODevice_Mission::UpdateBus(const uint8 smpc_out, const uint8 smpc_out_asserted)
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{
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uint8 tmp;
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if(smpc_out & 0x40)
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{
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phase = -1;
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tl = true;
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data_out = 0x01;
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}
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else
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{
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if((bool)(smpc_out & 0x20) != tl)
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{
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if(phase < (dual ? 21 : 13))
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{
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tl = !tl;
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phase++;
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}
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if(!phase)
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{
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unsigned dbaf = dbuttons & ((afphase - 1) | ~afeswitches);
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unsigned c = 0;
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// Digital Left
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dbuttons |= ((axes[0][0] <= 0x56) ? 0x4 : 0);
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dbuttons &= ~((axes[0][0] >= 0x6C) ? 0x4 : 0);
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// Digital Right
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dbuttons |= ((axes[0][0] >= 0xAB) ? 0x8 : 0);
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dbuttons &= ~((axes[0][0] <= 0x95) ? 0x8 : 0);
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// Digital Up
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dbuttons |= ((axes[0][1] <= 0x54) ? 0x1 : 0);
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dbuttons &= ~((axes[0][1] >= 0x6A) ? 0x1 : 0);
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// Digital Down
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dbuttons |= ((axes[0][1] >= 0xA9) ? 0x2 : 0);
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dbuttons &= ~((axes[0][1] <= 0x94) ? 0x2 : 0);
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if(!afcounter)
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{
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static const uint8 speedtab[7] = { 12, 8, 7, 5, 4, 4/* ? */, 1 };
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afphase = !afphase;
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afcounter = speedtab[afspeed];
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}
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afcounter--;
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buffer[c++] = 0x1;
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buffer[c++] = dual ? 0x9 : 0x5;
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buffer[c++] = (((dbaf >> 0) & 0xF) ^ 0xF);
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buffer[c++] = (((dbaf >> 4) & 0xF) ^ 0xF);
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buffer[c++] = (((dbaf >> 8) & 0xF) ^ 0xF);
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buffer[c++] = (((dbaf >> 12) & 0xF) ^ 0xF);
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for(unsigned stick = 0; stick < (dual ? 2 : 1); stick++)
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{
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if(stick)
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{
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// Not sure, looks like something buggy.
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buffer[c++] = 0x0;
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buffer[c++] = 0x0;
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}
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buffer[c++] = (axes[stick][0] >> 4) & 0xF;
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buffer[c++] = (axes[stick][0] >> 0) & 0xF;
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buffer[c++] = (axes[stick][1] >> 4) & 0xF;
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buffer[c++] = (axes[stick][1] >> 0) & 0xF;
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buffer[c++] = (axes[stick][2] >> 4) & 0xF;
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buffer[c++] = (axes[stick][2] >> 0) & 0xF;
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}
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buffer[c++] = 0x0;
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buffer[c++] = 0x1;
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}
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data_out = buffer[phase];
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}
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}
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tmp = (tl << 4) | data_out;
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return (smpc_out & (smpc_out_asserted | 0xE0)) | (tmp &~ smpc_out_asserted);
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}
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static const char* const SpeedSwitchPositions[] =
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{
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gettext_noop("1/7"),
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gettext_noop("2/7"),
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gettext_noop("3/7"),
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gettext_noop("4/7"),
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gettext_noop("5/7"),
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gettext_noop("6/7"),
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gettext_noop("7/7")
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};
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static const char* const AFSwitchPositions[] =
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{
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gettext_noop("• (Off)"),
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gettext_noop("•• (On)")
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};
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IDIISG IODevice_Mission_IDII =
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{
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// 0
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{ "b", "B (Stick Left Button)", 6, IDIT_BUTTON },
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{ "c", "C (Stick Right Button)", 8, IDIT_BUTTON },
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{ "a", "A (Stick Trigger)", 7, IDIT_BUTTON },
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{ "start", "START", 9, IDIT_BUTTON },
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// 4
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{ "z", "Z", 13, IDIT_BUTTON },
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{ "y", "Y", 12, IDIT_BUTTON },
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{ "x", "X", 11, IDIT_BUTTON },
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{ "r", "R", 14, IDIT_BUTTON },
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// 8
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ "l", "L", 10, IDIT_BUTTON },
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// 12
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IDIIS_Switch("afb", "B AF", 20, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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IDIIS_Switch("afc", "C AF", 21, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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IDIIS_Switch("afa", "A AF", 19, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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{ NULL, "empty", 0, IDIT_BUTTON },
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// 16
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IDIIS_Switch("afz", "Z AF", 17, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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IDIIS_Switch("afy", "Y AF", 16, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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IDIIS_Switch("afx", "X AF", 15, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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IDIIS_Switch("afr", "R AF", 22, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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// 20
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IDIIS_Switch("afspeed", "AF Speed", 23, SpeedSwitchPositions, sizeof(SpeedSwitchPositions) / sizeof(SpeedSwitchPositions[0])),
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IDIIS_Switch("afl", "L AF", 18, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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// 24
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{ "stick_left", "Stick LEFT ← (Analog)", 2, IDIT_BUTTON_ANALOG },
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{ "stick_right", "Stick RIGHT → (Analog)", 3, IDIT_BUTTON_ANALOG },
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{ "stick_fore", "Stick FORE ↑ (Analog)", 0, IDIT_BUTTON_ANALOG },
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{ "stick_back", "Stick BACK ↓ (Analog)", 1, IDIT_BUTTON_ANALOG },
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{ "throttle_down", "Throttle Down (Analog)", 5, IDIT_BUTTON_ANALOG },
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{ "throttle_up", "Throttle Up (Analog)", 4, IDIT_BUTTON_ANALOG },
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};
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IDIISG IODevice_MissionNoAF_IDII =
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{
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// 0
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{ "b", "B (Stick Left Button)", 6, IDIT_BUTTON },
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{ "c", "C (Stick Right Button)", 8, IDIT_BUTTON },
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{ "a", "A (Stick Trigger)", 7, IDIT_BUTTON },
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{ "start", "START", 9, IDIT_BUTTON },
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// 4
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{ "z", "Z", 13, IDIT_BUTTON },
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{ "y", "Y", 12, IDIT_BUTTON },
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{ "x", "X", 11, IDIT_BUTTON },
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{ "r", "R", 14, IDIT_BUTTON },
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// 8
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ "l", "L", 10, IDIT_BUTTON },
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// 12
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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// 16
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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// 20
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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// 24
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{ "stick_left", "Stick LEFT ← (Analog)", 2, IDIT_BUTTON_ANALOG },
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{ "stick_right", "Stick RIGHT → (Analog)", 3, IDIT_BUTTON_ANALOG },
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{ "stick_fore", "Stick FORE ↑ (Analog)", 0, IDIT_BUTTON_ANALOG },
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{ "stick_back", "Stick BACK ↓ (Analog)", 1, IDIT_BUTTON_ANALOG },
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{ "throttle_down", "Throttle Down (Analog)", 5, IDIT_BUTTON_ANALOG },
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{ "throttle_up", "Throttle Up (Analog)", 4, IDIT_BUTTON_ANALOG },
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};
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IDIISG IODevice_DualMission_IDII =
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{
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// 0
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{ "b", "B (R Stick Left Button)", 15, IDIT_BUTTON },
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{ "c", "C (R Stick Right Button)", 17, IDIT_BUTTON },
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{ "a", "A (R Stick Trigger)", 16, IDIT_BUTTON },
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{ "start", "START", 18, IDIT_BUTTON },
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// 4
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{ "z", "Z (L Stick Right Button)", 8, IDIT_BUTTON },
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{ "y", "Y (L Stick Left Button)", 6, IDIT_BUTTON },
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{ "x", "X (L Stick Trigger)", 7, IDIT_BUTTON },
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{ "r", "R", 20, IDIT_BUTTON },
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// 8
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ "l", "L", 19, IDIT_BUTTON },
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// 12
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IDIIS_Switch("afb", "B AF", 26, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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IDIIS_Switch("afc", "C AF", 27, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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IDIIS_Switch("afa", "A AF", 25, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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{ NULL, "empty", 0, IDIT_BUTTON },
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// 16
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IDIIS_Switch("afz", "Z AF", 23, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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IDIIS_Switch("afy", "Y AF", 22, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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IDIIS_Switch("afx", "X AF", 21, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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IDIIS_Switch("afr", "R AF", 28, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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// 20
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IDIIS_Switch("afspeed", "Autofire Speed", 29, SpeedSwitchPositions, sizeof(SpeedSwitchPositions) / sizeof(SpeedSwitchPositions[0])),
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IDIIS_Switch("afl", "L AF", 24, AFSwitchPositions, sizeof(AFSwitchPositions) / sizeof(AFSwitchPositions[0])),
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// 24
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{ "rstick_left", "R Stick LEFT ← (Analog)", 11, IDIT_BUTTON_ANALOG },
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{ "rstick_right", "R Stick RIGHT → (Analog)", 12, IDIT_BUTTON_ANALOG },
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{ "rstick_fore", "R Stick FORE ↑ (Analog)", 9, IDIT_BUTTON_ANALOG },
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{ "rstick_back", "R Stick BACK ↓ (Analog)", 10, IDIT_BUTTON_ANALOG },
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{ "rthrottle_down", "R Throttle Down (Analog)", 14, IDIT_BUTTON_ANALOG },
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{ "rthrottle_up", "R Throttle Up (Analog)", 13, IDIT_BUTTON_ANALOG },
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{ "lstick_left", "L Stick LEFT ← (Analog)", 2, IDIT_BUTTON_ANALOG },
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{ "lstick_right", "L Stick RIGHT → (Analog)", 3, IDIT_BUTTON_ANALOG },
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{ "lstick_fore", "L Stick FORE ↑ (Analog)", 0, IDIT_BUTTON_ANALOG },
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{ "lstick_back", "L Stick BACK ↓ (Analog)", 1, IDIT_BUTTON_ANALOG },
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{ "lthrottle_down", "L Throttle Down (Analog)", 5, IDIT_BUTTON_ANALOG },
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{ "lthrottle_up", "L Throttle Up (Analog)", 4, IDIT_BUTTON_ANALOG },
|
||
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|
|
||
|
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};
|
||
|
|
|
||
|
|
|
||
|
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||
|
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}
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