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annotate io.c @ 2026:aa338eb0eded

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Merge
author Michael Pavone <pavone@retrodev.com>
date Wed, 10 Feb 2021 20:13:27 -0800
parents e7a516f08cec
children 0f54a898db03
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1 /*
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2 Copyright 2013 Michael Pavone
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3 This file is part of BlastEm.
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4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
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5 */
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6 #ifndef _WIN32
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7 #include <unistd.h>
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8 #include <fcntl.h>
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9 #include <sys/socket.h>
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10 #include <sys/un.h>
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11 #include <sys/types.h>
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12 #include <sys/stat.h>
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13 #include <errno.h>
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14 #endif
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15 #include <string.h>
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16 #include <stdlib.h>
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17
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18 #include "serialize.h"
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19 #include "io.h"
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20 #include "blastem.h"
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21 #include "render.h"
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22 #include "util.h"
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23 #include "bindings.h"
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24
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25 #define CYCLE_NEVER 0xFFFFFFFF
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26 #define MIN_POLL_INTERVAL 6840
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27
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28 const char * device_type_names[] = {
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29 "None",
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30 "SMS gamepad",
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31 "3-button gamepad",
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32 "6-button gamepad",
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33 "Mega Mouse",
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34 "Saturn Keyboard",
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35 "XBAND Keyboard",
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36 "Menacer",
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37 "Justifier",
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38 "Sega multi-tap",
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39 "EA 4-way Play cable A",
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40 "EA 4-way Play cable B",
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41 "Sega Parallel Transfer Board",
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42 "Generic Device",
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43 "Generic Serial"
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44 };
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45
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46 #define GAMEPAD_TH0 0
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47 #define GAMEPAD_TH1 1
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48 #define GAMEPAD_EXTRA 2
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49 #define GAMEPAD_NONE 0xF
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50
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51 #define IO_TH0 0
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52 #define IO_TH1 1
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53 #define IO_STATE 2
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54
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55 enum {
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56 IO_WRITE_PENDING,
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57 IO_WRITTEN,
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58 IO_READ_PENDING,
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59 IO_READ
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60 };
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61
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62 typedef struct {
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63 uint8_t states[2], value;
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64 } gp_button_def;
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65
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66
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67 static gp_button_def button_defs[NUM_GAMEPAD_BUTTONS] = {
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68 [DPAD_UP] = {.states = {GAMEPAD_TH0, GAMEPAD_TH1}, .value = 0x1},
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69 [DPAD_DOWN] = {.states = {GAMEPAD_TH0, GAMEPAD_TH1}, .value = 0x2},
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70 [DPAD_LEFT] = {.states = {GAMEPAD_TH1, GAMEPAD_NONE}, .value = 0x4},
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71 [DPAD_RIGHT] = {.states = {GAMEPAD_TH1, GAMEPAD_NONE}, .value = 0x8},
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72 [BUTTON_A] = {.states = {GAMEPAD_TH0, GAMEPAD_NONE}, .value = 0x10},
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73 [BUTTON_B] = {.states = {GAMEPAD_TH1, GAMEPAD_NONE}, .value = 0x10},
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74 [BUTTON_C] = {.states = {GAMEPAD_TH1, GAMEPAD_NONE}, .value = 0x20},
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75 [BUTTON_START] = {.states = {GAMEPAD_TH0, GAMEPAD_NONE}, .value = 0x20},
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76 [BUTTON_X] = {.states = {GAMEPAD_EXTRA, GAMEPAD_NONE}, .value = 0x4},
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77 [BUTTON_Y] = {.states = {GAMEPAD_EXTRA, GAMEPAD_NONE}, .value = 0x2},
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78 [BUTTON_Z] = {.states = {GAMEPAD_EXTRA, GAMEPAD_NONE}, .value = 0x1},
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79 [BUTTON_MODE] = {.states = {GAMEPAD_EXTRA, GAMEPAD_NONE}, .value = 0x8},
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80 };
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81
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82 static io_port *find_gamepad(sega_io *io, uint8_t gamepad_num)
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83 {
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84 for (int i = 0; i < 3; i++)
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85 {
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86 io_port *port = io->ports + i;
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87 if (port->device_type < IO_MOUSE && port->device.pad.gamepad_num == gamepad_num) {
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88 return port;
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89 }
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90 }
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91 return NULL;
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92 }
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93
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94 static io_port *find_mouse(sega_io *io, uint8_t mouse_num)
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95 {
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96 for (int i = 0; i < 3; i++)
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97 {
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98 io_port *port = io->ports + i;
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99 if (port->device_type == IO_MOUSE && port->device.mouse.mouse_num == mouse_num) {
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100 return port;
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101 }
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102 }
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103 return NULL;
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104 }
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105
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106 static io_port *find_keyboard(sega_io *io)
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107 {
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108 for (int i = 0; i < 3; i++)
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109 {
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110 io_port *port = io->ports + i;
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111 if (port->device_type == IO_SATURN_KEYBOARD || port->device_type == IO_XBAND_KEYBOARD) {
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112 return port;
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113 }
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114 }
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115 return NULL;
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116 }
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117
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118 void io_port_gamepad_down(io_port *port, uint8_t button)
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119 {
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120 gp_button_def *def = button_defs + button;
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121 port->input[def->states[0]] |= def->value;
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122 if (def->states[1] != GAMEPAD_NONE) {
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123 port->input[def->states[1]] |= def->value;
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124 }
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125 }
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126
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127 void io_port_gamepad_up(io_port *port, uint8_t button)
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128 {
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129 gp_button_def *def = button_defs + button;
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130 port->input[def->states[0]] &= ~def->value;
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diff changeset
131 if (def->states[1] != GAMEPAD_NONE) {
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diff changeset
132 port->input[def->states[1]] &= ~def->value;
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parents: 1595
diff changeset
133 }
c206a422d466 Added J-Cart support
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parents: 1595
diff changeset
134 }
c206a422d466 Added J-Cart support
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parents: 1595
diff changeset
135
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diff changeset
136 void io_gamepad_down(sega_io *io, uint8_t gamepad_num, uint8_t button)
421
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parents:
diff changeset
137 {
1583
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diff changeset
138 io_port *port = find_gamepad(io, gamepad_num);
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diff changeset
139 if (port) {
1610
c206a422d466 Added J-Cart support
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diff changeset
140 io_port_gamepad_down(port, button);
421
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parents:
diff changeset
141 }
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parents:
diff changeset
142 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
143
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diff changeset
144 void io_gamepad_up(sega_io *io, uint8_t gamepad_num, uint8_t button)
1194
1ad0ec7e3939 Make gamepad "semantic" mapping play nice with hotplug support
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parents: 1187
diff changeset
145 {
1583
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diff changeset
146 io_port *port = find_gamepad(io, gamepad_num);
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diff changeset
147 if (port) {
1610
c206a422d466 Added J-Cart support
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diff changeset
148 io_port_gamepad_up(port, button);
1207
9d6f155732ed Basic support for mapping an analog axis to functionality
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parents: 1202
diff changeset
149 }
1194
1ad0ec7e3939 Make gamepad "semantic" mapping play nice with hotplug support
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parents: 1187
diff changeset
150 }
1ad0ec7e3939 Make gamepad "semantic" mapping play nice with hotplug support
Michael Pavone <pavone@retrodev.com>
parents: 1187
diff changeset
151
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diff changeset
152 void io_mouse_down(sega_io *io, uint8_t mouse_num, uint8_t button)
421
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parents:
diff changeset
153 {
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diff changeset
154 io_port *port = find_mouse(io, mouse_num);
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diff changeset
155 if (port) {
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diff changeset
156 port->input[0] |= button;
421
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parents:
diff changeset
157 }
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parents:
diff changeset
158 }
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parents:
diff changeset
159
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diff changeset
160 void io_mouse_up(sega_io *io, uint8_t mouse_num, uint8_t button)
493
36c080ece4ed Add support for UI bindings on gamepad buttons and dpads
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parents: 483
diff changeset
161 {
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diff changeset
162 io_port *port = find_mouse(io, mouse_num);
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diff changeset
163 if (port) {
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diff changeset
164 port->input[0] &= ~button;
907
b5d35222047e Mega mouse support is mostly done
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parents: 903
diff changeset
165 }
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
166 }
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parents:
diff changeset
167
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diff changeset
168 void io_mouse_motion_absolute(sega_io *io, uint8_t mouse_num, uint16_t x, uint16_t y)
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diff changeset
169 {
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
170 io_port *port = find_mouse(io, mouse_num);
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diff changeset
171 if (port) {
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diff changeset
172 port->device.mouse.cur_x = x;
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diff changeset
173 port->device.mouse.cur_y = y;
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
174 }
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
175 }
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
176
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
177 void io_mouse_motion_relative(sega_io *io, uint8_t mouse_num, int32_t x, int32_t y)
430dd12e4010 Refactor to split device bindings from IO emulation code
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diff changeset
178 {
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
179 io_port *port = find_mouse(io, mouse_num);
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diff changeset
180 if (port) {
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diff changeset
181 port->device.mouse.cur_x += x;
430dd12e4010 Refactor to split device bindings from IO emulation code
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diff changeset
182 port->device.mouse.cur_y += y;
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
183 }
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
184 }
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
185
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
186 void store_key_event(io_port *keyboard_port, uint16_t code)
1026
7267bc1ab547 Fix bug in 68K movep.l when the destination is a register mapped to a host register
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parents: 1005
diff changeset
187 {
1028
56b1748a8473 Initial stab at Saturn keyboard support
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parents: 1026
diff changeset
188 if (keyboard_port && keyboard_port->device.keyboard.write_pos != keyboard_port->device.keyboard.read_pos) {
56b1748a8473 Initial stab at Saturn keyboard support
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parents: 1026
diff changeset
189 //there's room in the buffer, record this event
56b1748a8473 Initial stab at Saturn keyboard support
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diff changeset
190 keyboard_port->device.keyboard.events[keyboard_port->device.keyboard.write_pos] = code;
56b1748a8473 Initial stab at Saturn keyboard support
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parents: 1026
diff changeset
191 if (keyboard_port->device.keyboard.read_pos == 0xFF) {
56b1748a8473 Initial stab at Saturn keyboard support
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parents: 1026
diff changeset
192 //ring buffer was empty, update read_pos to indicate there is now data
56b1748a8473 Initial stab at Saturn keyboard support
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parents: 1026
diff changeset
193 keyboard_port->device.keyboard.read_pos = keyboard_port->device.keyboard.write_pos;
56b1748a8473 Initial stab at Saturn keyboard support
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parents: 1026
diff changeset
194 }
1026
7267bc1ab547 Fix bug in 68K movep.l when the destination is a register mapped to a host register
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parents: 1005
diff changeset
195 keyboard_port->device.keyboard.write_pos = (keyboard_port->device.keyboard.write_pos + 1) & 7;
7267bc1ab547 Fix bug in 68K movep.l when the destination is a register mapped to a host register
Michael Pavone <pavone@retrodev.com>
parents: 1005
diff changeset
196 }
7267bc1ab547 Fix bug in 68K movep.l when the destination is a register mapped to a host register
Michael Pavone <pavone@retrodev.com>
parents: 1005
diff changeset
197 }
7267bc1ab547 Fix bug in 68K movep.l when the destination is a register mapped to a host register
Michael Pavone <pavone@retrodev.com>
parents: 1005
diff changeset
198
1583
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diff changeset
199 void io_keyboard_down(sega_io *io, uint8_t scancode)
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
200 {
1583
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diff changeset
201 store_key_event(find_keyboard(io), scancode);
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
202 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
203
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
204 void io_keyboard_up(sega_io *io, uint8_t scancode)
432
18cde14e8c10 Read joystick bindings from config file
Mike Pavone <pavone@retrodev.com>
parents: 431
diff changeset
205 {
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
206 store_key_event(find_keyboard(io), 0xF000 | scancode);
1576
2b132d894d76 Release capture of mouse and keyboard when entering UI
Michael Pavone <pavone@retrodev.com>
parents: 1549
diff changeset
207 }
2b132d894d76 Release capture of mouse and keyboard when entering UI
Michael Pavone <pavone@retrodev.com>
parents: 1549
diff changeset
208
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
209 uint8_t io_has_keyboard(sega_io *io)
431
440efd7d27a9 Read key bindings from config file
Mike Pavone <pavone@retrodev.com>
parents: 421
diff changeset
210 {
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
211 return find_keyboard(io) != NULL;
431
440efd7d27a9 Read key bindings from config file
Mike Pavone <pavone@retrodev.com>
parents: 421
diff changeset
212 }
440efd7d27a9 Read key bindings from config file
Mike Pavone <pavone@retrodev.com>
parents: 421
diff changeset
213
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
214 static void set_serial_clock(io_port *port)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
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parents: 1792
diff changeset
215 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
216 switch(port->serial_ctrl >> 6)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
217 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
218 case 0: port->serial_divider = 11186; break; //4800 bps
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
219 case 1: port->serial_divider = 22372; break; //2400 bps
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
220 case 2: port->serial_divider = 44744; break; //1200 bps
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
221 case 3: port->serial_divider = 178976; break; //300 bps
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
222 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
223 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
224
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
225 void process_device(char * device_type, io_port * port)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
226 {
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
227 set_serial_clock(port);
1595
360d5bab199f Update controller config when changed in UI without restart
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parents: 1583
diff changeset
228 //assuming that the io_port struct has been zeroed if this is the first time this has been called
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
229 if (!device_type)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
230 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
231 return;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
232 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
233
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
234 const int gamepad_len = strlen("gamepad");
1783
eda8df5bc74c Minor cleanup
Michael Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
235 if (startswith(device_type, "gamepad"))
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
236 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
237 if (
1146
3e24de8d8073 Add support for SMS controllers
Michael Pavone <pavone@retrodev.com>
parents: 1144
diff changeset
238 (device_type[gamepad_len] != '3' && device_type[gamepad_len] != '6' && device_type[gamepad_len] != '2')
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
239 || device_type[gamepad_len+1] != '.' || device_type[gamepad_len+2] < '1'
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
240 || device_type[gamepad_len+2] > '8' || device_type[gamepad_len+3] != 0
1146
3e24de8d8073 Add support for SMS controllers
Michael Pavone <pavone@retrodev.com>
parents: 1144
diff changeset
241 ) {
903
0e5f9d6135be Make nexus player remote useable as a controller for games that only require a dpad + start + c. Use warning() instead of fprintf(stder,...) in io.c
Michael Pavone <pavone@retrodev.com>
parents: 897
diff changeset
242 warning("%s is not a valid gamepad type\n", device_type);
1146
3e24de8d8073 Add support for SMS controllers
Michael Pavone <pavone@retrodev.com>
parents: 1144
diff changeset
243 } else if (device_type[gamepad_len] == '3') {
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
244 port->device_type = IO_GAMEPAD3;
1146
3e24de8d8073 Add support for SMS controllers
Michael Pavone <pavone@retrodev.com>
parents: 1144
diff changeset
245 } else if (device_type[gamepad_len] == '2') {
3e24de8d8073 Add support for SMS controllers
Michael Pavone <pavone@retrodev.com>
parents: 1144
diff changeset
246 port->device_type = IO_GAMEPAD2;
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
247 } else {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
248 port->device_type = IO_GAMEPAD6;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
249 }
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
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parents: 1576
diff changeset
250 port->device.pad.gamepad_num = device_type[gamepad_len+2] - '0';
1783
eda8df5bc74c Minor cleanup
Michael Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
251 } else if(startswith(device_type, "mouse")) {
1595
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
252 if (port->device_type != IO_MOUSE) {
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
253 port->device_type = IO_MOUSE;
1783
eda8df5bc74c Minor cleanup
Michael Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
254 port->device.mouse.mouse_num = device_type[strlen("mouse")+1] - '0';
1595
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
255 port->device.mouse.last_read_x = 0;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
256 port->device.mouse.last_read_y = 0;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
257 port->device.mouse.cur_x = 0;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
258 port->device.mouse.cur_y = 0;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
259 port->device.mouse.latched_x = 0;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
260 port->device.mouse.latched_y = 0;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
261 port->device.mouse.ready_cycle = CYCLE_NEVER;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
262 port->device.mouse.tr_counter = 0;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
263 }
1028
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
264 } else if(!strcmp(device_type, "saturn keyboard")) {
1595
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
265 if (port->device_type != IO_SATURN_KEYBOARD) {
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
266 port->device_type = IO_SATURN_KEYBOARD;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
267 port->device.keyboard.read_pos = 0xFF;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
268 port->device.keyboard.write_pos = 0;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
269 }
1232
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
270 } else if(!strcmp(device_type, "xband keyboard")) {
1595
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
271 if (port->device_type != IO_XBAND_KEYBOARD) {
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
272 port->device_type = IO_XBAND_KEYBOARD;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
273 port->device.keyboard.read_pos = 0xFF;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
274 port->device.keyboard.write_pos = 0;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
275 }
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
276 } else if(!strcmp(device_type, "sega_parallel")) {
1595
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
277 if (port->device_type != IO_SEGA_PARALLEL) {
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
278 port->device_type = IO_SEGA_PARALLEL;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
279 port->device.stream.data_fd = -1;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
280 port->device.stream.listen_fd = -1;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
281 }
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
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parents: 504
diff changeset
282 } else if(!strcmp(device_type, "generic")) {
1595
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
283 if (port->device_type != IO_GENERIC) {
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
284 port->device_type = IO_GENERIC;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
285 port->device.stream.data_fd = -1;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
286 port->device.stream.listen_fd = -1;
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
287 }
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
288 } else if(!strcmp(device_type, "serial")) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
289 if (port->device_type != IO_GENERIC_SERIAL) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
290 port->device_type = IO_GENERIC_SERIAL;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
291 port->device.stream.data_fd = -1;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
292 port->device.stream.listen_fd = -1;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
293 }
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
294 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
295 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
296
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
297 char * io_name(int i)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
298 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
299 switch (i)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
300 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
301 case 0:
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
302 return "1";
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
303 case 1:
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
304 return "2";
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
305 case 2:
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
306 return "EXT";
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
307 default:
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
308 return "invalid";
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
309 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
310 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
311
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
312 static char * sockfile_name;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
313 static void cleanup_sockfile()
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
314 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
315 unlink(sockfile_name);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
316 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
317
1116
fe8c79f82c22 More cleanup in preparation for SMS/Mark III support
Michael Pavone <pavone@retrodev.com>
parents: 1111
diff changeset
318 void setup_io_devices(tern_node * config, rom_info *rom, sega_io *io)
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
319 {
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents: 1576
diff changeset
320 io_port * ports = io->ports;
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1294
diff changeset
321 tern_node *io_nodes = tern_find_path(config, "io\0devices\0", TVAL_NODE).ptrval;
1689
7f42a93f18a4 Have a suitable default IO port configuration when nonIO is present from the config file. Fixed off by one in processing gamepad button events in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1650
diff changeset
322 char * io_1 = rom->port1_override ? rom->port1_override : tern_find_ptr_default(io_nodes, "1", "gamepad6.1");
7f42a93f18a4 Have a suitable default IO port configuration when nonIO is present from the config file. Fixed off by one in processing gamepad button events in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1650
diff changeset
323 char * io_2 = rom->port2_override ? rom->port2_override : tern_find_ptr_default(io_nodes, "2", "gamepad6.2");
7f42a93f18a4 Have a suitable default IO port configuration when nonIO is present from the config file. Fixed off by one in processing gamepad button events in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1650
diff changeset
324 char * io_ext = rom->ext_override ? rom->ext_override : tern_find_ptr(io_nodes, "ext");
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
325
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
326 process_device(io_1, ports);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
327 process_device(io_2, ports+1);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
328 process_device(io_ext, ports+2);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
329
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents: 1576
diff changeset
330 uint8_t mouse_mode;
1396
aca496957999 Only capture mouse if an emulated mouse is attached
Michael Pavone <pavone@retrodev.com>
parents: 1379
diff changeset
331 if (ports[0].device_type == IO_MOUSE || ports[1].device_type == IO_MOUSE || ports[2].device_type == IO_MOUSE) {
aca496957999 Only capture mouse if an emulated mouse is attached
Michael Pavone <pavone@retrodev.com>
parents: 1379
diff changeset
332 if (render_fullscreen()) {
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents: 1576
diff changeset
333 mouse_mode = MOUSE_RELATIVE;
1396
aca496957999 Only capture mouse if an emulated mouse is attached
Michael Pavone <pavone@retrodev.com>
parents: 1379
diff changeset
334 } else {
aca496957999 Only capture mouse if an emulated mouse is attached
Michael Pavone <pavone@retrodev.com>
parents: 1379
diff changeset
335 if (rom->mouse_mode && !strcmp(rom->mouse_mode, "absolute")) {
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents: 1576
diff changeset
336 mouse_mode = MOUSE_ABSOLUTE;
1396
aca496957999 Only capture mouse if an emulated mouse is attached
Michael Pavone <pavone@retrodev.com>
parents: 1379
diff changeset
337 } else {
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents: 1576
diff changeset
338 mouse_mode = MOUSE_CAPTURE;
1396
aca496957999 Only capture mouse if an emulated mouse is attached
Michael Pavone <pavone@retrodev.com>
parents: 1379
diff changeset
339 }
aca496957999 Only capture mouse if an emulated mouse is attached
Michael Pavone <pavone@retrodev.com>
parents: 1379
diff changeset
340 }
916
20c464dbae8f Finished implementation of mouse capture mode
Michael Pavone <pavone@retrodev.com>
parents: 915
diff changeset
341 } else {
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents: 1576
diff changeset
342 mouse_mode = MOUSE_NONE;
915
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 914
diff changeset
343 }
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents: 1576
diff changeset
344 bindings_set_mouse_mode(mouse_mode);
915
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 914
diff changeset
345
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
346 for (int i = 0; i < 3; i++)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
347 {
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 722
diff changeset
348 #ifndef _WIN32
1595
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1583
diff changeset
349 if (ports[i].device_type == IO_SEGA_PARALLEL && ports[i].device.stream.data_fd == -1)
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
350 {
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1294
diff changeset
351 char *pipe_name = tern_find_path(config, "io\0parallel_pipe\0", TVAL_PTR).ptrval;
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
352 if (!pipe_name)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
353 {
903
0e5f9d6135be Make nexus player remote useable as a controller for games that only require a dpad + start + c. Use warning() instead of fprintf(stder,...) in io.c
Michael Pavone <pavone@retrodev.com>
parents: 897
diff changeset
354 warning("IO port %s is configured to use the sega parallel board, but no paralell_pipe is set!\n", io_name(i));
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
355 ports[i].device_type = IO_NONE;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
356 } else {
1792
52a47611a273 Avoid printing a bunch of junk to stdout when GDB remote debugging is enabled as this can confuse GDB
Michael Pavone <pavone@retrodev.com>
parents: 1791
diff changeset
357 debug_message("IO port: %s connected to device '%s' with pipe name: %s\n", io_name(i), device_type_names[ports[i].device_type], pipe_name);
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
358 if (!strcmp("stdin", pipe_name))
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
359 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
360 ports[i].device.stream.data_fd = STDIN_FILENO;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
361 } else {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
362 if (mkfifo(pipe_name, 0666) && errno != EEXIST)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
363 {
903
0e5f9d6135be Make nexus player remote useable as a controller for games that only require a dpad + start + c. Use warning() instead of fprintf(stder,...) in io.c
Michael Pavone <pavone@retrodev.com>
parents: 897
diff changeset
364 warning("Failed to create fifo %s for Sega parallel board emulation: %d %s\n", pipe_name, errno, strerror(errno));
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
365 ports[i].device_type = IO_NONE;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
366 } else {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
367 ports[i].device.stream.data_fd = open(pipe_name, O_NONBLOCK | O_RDONLY);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
368 if (ports[i].device.stream.data_fd == -1)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
369 {
903
0e5f9d6135be Make nexus player remote useable as a controller for games that only require a dpad + start + c. Use warning() instead of fprintf(stder,...) in io.c
Michael Pavone <pavone@retrodev.com>
parents: 897
diff changeset
370 warning("Failed to open fifo %s for Sega parallel board emulation: %d %s\n", pipe_name, errno, strerror(errno));
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
371 ports[i].device_type = IO_NONE;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
372 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
373 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
374 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
375 }
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
376 } else if (ports[i].device_type == IO_GENERIC || ports[i].device_type == IO_GENERIC_SERIAL && ports[i].device.stream.data_fd == -1) {
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1294
diff changeset
377 char *sock_name = tern_find_path(config, "io\0socket\0", TVAL_PTR).ptrval;
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
378 if (!sock_name)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
379 {
903
0e5f9d6135be Make nexus player remote useable as a controller for games that only require a dpad + start + c. Use warning() instead of fprintf(stder,...) in io.c
Michael Pavone <pavone@retrodev.com>
parents: 897
diff changeset
380 warning("IO port %s is configured to use generic IO, but no socket is set!\n", io_name(i));
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
381 ports[i].device_type = IO_NONE;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
382 } else {
1792
52a47611a273 Avoid printing a bunch of junk to stdout when GDB remote debugging is enabled as this can confuse GDB
Michael Pavone <pavone@retrodev.com>
parents: 1791
diff changeset
383 debug_message("IO port: %s connected to device '%s' with socket name: %s\n", io_name(i), device_type_names[ports[i].device_type], sock_name);
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
384 ports[i].device.stream.data_fd = -1;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
385 ports[i].device.stream.listen_fd = socket(AF_UNIX, SOCK_STREAM, 0);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
386 size_t pathlen = strlen(sock_name);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
387 size_t addrlen = offsetof(struct sockaddr_un, sun_path) + pathlen + 1;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
388 struct sockaddr_un *saddr = malloc(addrlen);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
389 saddr->sun_family = AF_UNIX;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
390 memcpy(saddr->sun_path, sock_name, pathlen+1);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
391 if (bind(ports[i].device.stream.listen_fd, (struct sockaddr *)saddr, addrlen))
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
392 {
903
0e5f9d6135be Make nexus player remote useable as a controller for games that only require a dpad + start + c. Use warning() instead of fprintf(stder,...) in io.c
Michael Pavone <pavone@retrodev.com>
parents: 897
diff changeset
393 warning("Failed to bind socket for IO Port %s to path %s: %d %s\n", io_name(i), sock_name, errno, strerror(errno));
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
394 goto cleanup_sock;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
395 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
396 if (listen(ports[i].device.stream.listen_fd, 1))
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
397 {
903
0e5f9d6135be Make nexus player remote useable as a controller for games that only require a dpad + start + c. Use warning() instead of fprintf(stder,...) in io.c
Michael Pavone <pavone@retrodev.com>
parents: 897
diff changeset
398 warning("Failed to listen on socket for IO Port %s: %d %s\n", io_name(i), errno, strerror(errno));
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
399 goto cleanup_sockfile;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
400 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
401 sockfile_name = sock_name;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
402 atexit(cleanup_sockfile);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
403 continue;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
404 cleanup_sockfile:
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
405 unlink(sock_name);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
406 cleanup_sock:
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
407 close(ports[i].device.stream.listen_fd);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
408 ports[i].device_type = IO_NONE;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
409 }
883
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 796
diff changeset
410 } else
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 722
diff changeset
411 #endif
1146
3e24de8d8073 Add support for SMS controllers
Michael Pavone <pavone@retrodev.com>
parents: 1144
diff changeset
412 if (ports[i].device_type == IO_GAMEPAD3 || ports[i].device_type == IO_GAMEPAD6 || ports[i].device_type == IO_GAMEPAD2) {
1792
52a47611a273 Avoid printing a bunch of junk to stdout when GDB remote debugging is enabled as this can confuse GDB
Michael Pavone <pavone@retrodev.com>
parents: 1791
diff changeset
413 debug_message("IO port %s connected to gamepad #%d with type '%s'\n", io_name(i), ports[i].device.pad.gamepad_num, device_type_names[ports[i].device_type]);
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
414 } else {
1792
52a47611a273 Avoid printing a bunch of junk to stdout when GDB remote debugging is enabled as this can confuse GDB
Michael Pavone <pavone@retrodev.com>
parents: 1791
diff changeset
415 debug_message("IO port %s connected to device '%s'\n", io_name(i), device_type_names[ports[i].device_type]);
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
416 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
417 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
418 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
419
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
420
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
421 #define TH 0x40
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
422 #define TR 0x20
694
7497334bb548 Adjust TH timeout value to take into account the move to master clock cycles
Michael Pavone <pavone@retrodev.com>
parents: 645
diff changeset
423 #define TH_TIMEOUT 56000
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
424
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
425 void mouse_check_ready(io_port *port, uint32_t current_cycle)
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
426 {
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
427 if (current_cycle >= port->device.mouse.ready_cycle) {
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
428 port->device.mouse.tr_counter++;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
429 port->device.mouse.ready_cycle = CYCLE_NEVER;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
430 if (port->device.mouse.tr_counter == 3) {
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
431 port->device.mouse.latched_x = port->device.mouse.cur_x;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
432 port->device.mouse.latched_y = port->device.mouse.cur_y;
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents: 1576
diff changeset
433 /* FIXME mouse mode owned by bindings now
1111
2eb54e24914e Mostly working changes to allow support for multiple emulated system types in main blastem program
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
434 if (current_io->mouse_mode == MOUSE_ABSOLUTE) {
915
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 914
diff changeset
435 //avoid overflow in absolute mode
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 914
diff changeset
436 int deltax = port->device.mouse.latched_x - port->device.mouse.last_read_x;
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 914
diff changeset
437 if (abs(deltax) > 255) {
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 914
diff changeset
438 port->device.mouse.latched_x = port->device.mouse.last_read_x + (deltax > 0 ? 255 : -255);
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 914
diff changeset
439 }
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 914
diff changeset
440 int deltay = port->device.mouse.latched_y - port->device.mouse.last_read_y;
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 914
diff changeset
441 if (abs(deltay) > 255) {
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 914
diff changeset
442 port->device.mouse.latched_y = port->device.mouse.last_read_y + (deltay > 0 ? 255 : -255);
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 914
diff changeset
443 }
1583
430dd12e4010 Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents: 1576
diff changeset
444 }*/
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
445 }
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
446 }
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
447 }
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
448
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
449 void io_adjust_cycles(io_port * port, uint32_t current_cycle, uint32_t deduction)
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
450 {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
451 /*uint8_t control = pad->control | 0x80;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
452 uint8_t th = control & pad->output;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
453 if (pad->input[GAMEPAD_TH0] || pad->input[GAMEPAD_TH1]) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
454 printf("adjust_cycles | control: %X, TH: %X, GAMEPAD_TH0: %X, GAMEPAD_TH1: %X, TH Counter: %d, Timeout: %d, Cycle: %d\n", control, th, pad->input[GAMEPAD_TH0], pad->input[GAMEPAD_TH1], pad->th_counter,pad->timeout_cycle, current_cycle);
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
455 }*/
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
456 if (port->device_type == IO_GAMEPAD6)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
457 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
458 if (current_cycle >= port->device.pad.timeout_cycle)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
459 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
460 port->device.pad.th_counter = 0;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
461 } else {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
462 port->device.pad.timeout_cycle -= deduction;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
463 }
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
464 } else if (port->device_type == IO_MOUSE) {
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
465 mouse_check_ready(port, current_cycle);
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
466 if (port->device.mouse.ready_cycle != CYCLE_NEVER) {
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
467 port->device.mouse.ready_cycle -= deduction;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
468 }
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
469 }
1348
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
470 for (int i = 0; i < 8; i++)
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
471 {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
472 if (port->slow_rise_start[i] != CYCLE_NEVER) {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
473 if (port->slow_rise_start[i] >= deduction) {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
474 port->slow_rise_start[i] -= deduction;
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
475 } else {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
476 port->slow_rise_start[i] = CYCLE_NEVER;
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
477 }
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
478 }
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
479 }
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
480 if (port->transmit_end >= deduction) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
481 port->transmit_end -= deduction;
1077
1a66d5165ea7 Cleanup the separation of render backend and VDP code in preparation for having extra debug windows. Make determination of H40/H32 based on number of lines in each mode.
Michael Pavone <pavone@retrodev.com>
parents: 1035
diff changeset
482 } else {
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
483 port->transmit_end = 0;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
484 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
485 if (port->receive_end >= deduction) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
486 port->receive_end -= deduction;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
487 } else {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
488 port->receive_end = 0;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
489 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
490 if (port->last_poll_cycle >= deduction) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
491 port->last_poll_cycle -= deduction;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
492 } else {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
493 port->last_poll_cycle = 0;
1077
1a66d5165ea7 Cleanup the separation of render backend and VDP code in preparation for having extra debug windows. Make determination of H40/H32 based on number of lines in each mode.
Michael Pavone <pavone@retrodev.com>
parents: 1035
diff changeset
494 }
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
495 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
496
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 722
diff changeset
497 #ifndef _WIN32
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
498 static void wait_for_connection(io_port *port)
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
499 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
500 if (port->device.stream.data_fd == -1)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
501 {
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
502 debug_message("Waiting for socket connection...\n");
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
503 port->device.stream.data_fd = accept(port->device.stream.listen_fd, NULL, NULL);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
504 fcntl(port->device.stream.data_fd, F_SETFL, O_NONBLOCK | O_RDWR);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
505 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
506 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
507
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
508 static void poll_for_connection(io_port *port)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
509 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
510 if (port->device.stream.data_fd == -1)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
511 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
512 fcntl(port->device.stream.listen_fd, F_SETFL, O_NONBLOCK | O_RDWR);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
513 port->device.stream.data_fd = accept(port->device.stream.listen_fd, NULL, NULL);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
514 fcntl(port->device.stream.listen_fd, F_SETFL, O_RDWR);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
515 if (port->device.stream.data_fd != -1) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
516 fcntl(port->device.stream.data_fd, F_SETFL, O_NONBLOCK | O_RDWR);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
517 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
518 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
519 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
520
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
521 static void write_serial_byte(io_port *port)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
522 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
523 fcntl(port->device.stream.data_fd, F_SETFL, O_RDWR);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
524 for (int sent = 0; sent != sizeof(port->serial_transmitting);)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
525 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
526 sent = send(port->device.stream.data_fd, &port->serial_transmitting, sizeof(port->serial_transmitting), 0);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
527 if (sent < 0) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
528 close(port->device.stream.data_fd);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
529 port->device.stream.data_fd = -1;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
530 wait_for_connection(port);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
531 fcntl(port->device.stream.data_fd, F_SETFL, O_RDWR);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
532 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
533 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
534 fcntl(port->device.stream.data_fd, F_SETFL, O_NONBLOCK | O_RDWR);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
535 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
536
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
537 static void read_serial_byte(io_port *port)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
538 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
539 poll_for_connection(port);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
540 if (port->device.stream.data_fd == -1) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
541 return;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
542 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
543 int read = recv(port->device.stream.data_fd, &port->serial_receiving, sizeof(port->serial_receiving), 0);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
544 if (read < 0 && errno != EAGAIN && errno != EWOULDBLOCK) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
545 close(port->device.stream.data_fd);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
546 port->device.stream.data_fd = -1;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
547 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
548 if (read > 0) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
549 port->receive_end = port->serial_cycle + 10 * port->serial_divider;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
550 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
551 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
552
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
553 static void service_pipe(io_port *port)
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
554 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
555 uint8_t value;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
556 int numRead = read(port->device.stream.data_fd, &value, sizeof(value));
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
557 if (numRead > 0)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
558 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
559 port->input[IO_TH0] = (value & 0xF) | 0x10;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
560 port->input[IO_TH1] = (value >> 4) | 0x10;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
561 } else if(numRead == -1 && errno != EAGAIN && errno != EWOULDBLOCK) {
903
0e5f9d6135be Make nexus player remote useable as a controller for games that only require a dpad + start + c. Use warning() instead of fprintf(stder,...) in io.c
Michael Pavone <pavone@retrodev.com>
parents: 897
diff changeset
562 warning("Error reading pipe for IO port: %d %s\n", errno, strerror(errno));
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
563 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
564 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
565
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
566 static void service_socket(io_port *port)
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
567 {
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
568 uint8_t buf[32];
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
569 uint8_t blocking = 0;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
570 int numRead = 0;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
571 while (numRead <= 0)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
572 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
573 numRead = recv(port->device.stream.data_fd, buf, sizeof(buf), 0);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
574 if (numRead > 0)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
575 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
576 port->input[IO_TH0] = buf[numRead-1];
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
577 if (port->input[IO_STATE] == IO_READ_PENDING)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
578 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
579 port->input[IO_STATE] = IO_READ;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
580 if (blocking)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
581 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
582 //pending read satisfied, back to non-blocking mode
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
583 fcntl(port->device.stream.data_fd, F_SETFL, O_RDWR | O_NONBLOCK);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
584 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
585 } else if (port->input[IO_STATE] == IO_WRITTEN) {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
586 port->input[IO_STATE] = IO_READ;
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
587 }
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
588 } else if (numRead == 0) {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
589 port->device.stream.data_fd = -1;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
590 wait_for_connection(port);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
591 } else if (errno != EAGAIN && errno != EWOULDBLOCK) {
903
0e5f9d6135be Make nexus player remote useable as a controller for games that only require a dpad + start + c. Use warning() instead of fprintf(stder,...) in io.c
Michael Pavone <pavone@retrodev.com>
parents: 897
diff changeset
592 warning("Error reading from socket for IO port: %d %s\n", errno, strerror(errno));
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
593 close(port->device.stream.data_fd);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
594 wait_for_connection(port);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
595 } else if (port->input[IO_STATE] == IO_READ_PENDING) {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
596 //clear the nonblocking flag so the next read will block
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
597 if (!blocking)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
598 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
599 fcntl(port->device.stream.data_fd, F_SETFL, O_RDWR);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
600 blocking = 1;
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
601 }
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
602 } else {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
603 //no new data, but that's ok
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
604 break;
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
605 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
606 }
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
607
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
608 if (port->input[IO_STATE] == IO_WRITE_PENDING)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
609 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
610 uint8_t value = port->output & port->control;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
611 int written = 0;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
612 blocking = 0;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
613 while (written <= 0)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
614 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
615 send(port->device.stream.data_fd, &value, sizeof(value), 0);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
616 if (written > 0)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
617 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
618 port->input[IO_STATE] = IO_WRITTEN;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
619 if (blocking)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
620 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
621 //pending write satisfied, back to non-blocking mode
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
622 fcntl(port->device.stream.data_fd, F_SETFL, O_RDWR | O_NONBLOCK);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
623 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
624 } else if (written == 0) {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
625 port->device.stream.data_fd = -1;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
626 wait_for_connection(port);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
627 } else if (errno != EAGAIN && errno != EWOULDBLOCK) {
903
0e5f9d6135be Make nexus player remote useable as a controller for games that only require a dpad + start + c. Use warning() instead of fprintf(stder,...) in io.c
Michael Pavone <pavone@retrodev.com>
parents: 897
diff changeset
628 warning("Error writing to socket for IO port: %d %s\n", errno, strerror(errno));
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
629 close(port->device.stream.data_fd);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
630 wait_for_connection(port);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
631 } else {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
632 //clear the nonblocking flag so the next write will block
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
633 if (!blocking)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
634 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
635 fcntl(port->device.stream.data_fd, F_SETFL, O_RDWR);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
636 blocking = 1;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
637 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
638 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
639 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
640 }
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
641 }
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 722
diff changeset
642 #endif
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
643
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
644 const int mouse_delays[] = {112*7, 120*7, 96*7, 132*7, 104*7, 96*7, 112*7, 96*7};
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
645
1232
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
646 enum {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
647 KB_SETUP,
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
648 KB_READ,
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
649 KB_WRITE
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
650 };
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
651
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
652 enum {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
653 SCTRL_BIT_TX_FULL = 1,
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
654 SCTRL_BIT_RX_READY = 2,
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
655 SCTRL_BIT_RX_ERROR = 4,
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
656 SCTRL_BIT_RX_INTEN = 8,
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
657 SCTRL_BIT_TX_ENABLE = 0x10,
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
658 SCTRL_BIT_RX_ENABLE = 0x20
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
659 };
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
660
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
661 void io_run(io_port *port, uint32_t current_cycle)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
662 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
663 uint32_t new_serial_cycle = ((current_cycle - port->serial_cycle) / port->serial_divider) * port->serial_divider + port->serial_cycle;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
664 if (port->transmit_end && port->transmit_end <= new_serial_cycle) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
665 port->transmit_end = 0;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
666
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
667 if (port->serial_ctrl & SCTRL_BIT_TX_ENABLE) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
668 switch (port->device_type)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
669 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
670 #ifndef _WIN32
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
671 case IO_GENERIC_SERIAL:
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
672 write_serial_byte(port);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
673 break;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
674 #endif
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
675 //TODO: think about how serial mode might interact with non-serial peripherals
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
676 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
677 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
678 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
679 if (!port->transmit_end && new_serial_cycle != port->serial_cycle && (port->serial_ctrl & SCTRL_BIT_TX_FULL)) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
680 //there's a transmit byte pending and no byte is currently being sent
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
681 port->serial_transmitting = port->serial_out;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
682 port->serial_ctrl &= ~SCTRL_BIT_TX_FULL;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
683 //1 start bit, 8 data bits and 1 stop bit
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
684 port->transmit_end = new_serial_cycle + 10 * port->serial_divider;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
685 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
686 port->serial_cycle = new_serial_cycle;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
687 if (port->serial_ctrl && SCTRL_BIT_RX_ENABLE) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
688 if (port->receive_end && new_serial_cycle >= port->receive_end) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
689 port->serial_in = port->serial_receiving;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
690 port->serial_ctrl |= SCTRL_BIT_RX_READY;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
691 port->receive_end = 0;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
692 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
693 if (!port->receive_end) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
694 switch(port->device_type)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
695 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
696 #ifndef _WIN32
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
697 case IO_GENERIC_SERIAL:
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
698 read_serial_byte(port);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
699 break;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
700 #endif
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
701 //TODO: think about how serial mode might interact with non-serial peripherals
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
702 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
703 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
704 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
705 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
706
1348
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
707 void io_control_write(io_port *port, uint8_t value, uint32_t current_cycle)
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
708 {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
709 uint8_t changes = value ^ port->control;
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
710 if (changes) {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
711 for (int i = 0; i < 8; i++)
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
712 {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
713 if (!(value & 1 << i) && !(port->output & 1 << i)) {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
714 //port switched from output to input and the output value was 0
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
715 //since there is a weak pull-up on input pins, this will lead
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
716 //to a slow rise from 0 to 1 if the pin isn't being externally driven
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
717 port->slow_rise_start[i] = current_cycle;
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
718 } else {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
719 port->slow_rise_start[i] = CYCLE_NEVER;
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
720 }
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
721 }
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
722 port->control = value;
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
723 }
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
724 }
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
725
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
726 void io_data_write(io_port * port, uint8_t value, uint32_t current_cycle)
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
727 {
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
728 uint8_t old_output = (port->control & port->output) | (~port->control & 0xFF);
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
729 uint8_t output = (port->control & value) | (~port->control & 0xFF);
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
730 switch (port->device_type)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
731 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
732 case IO_GAMEPAD6:
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
733 //check if TH has changed
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
734 if ((old_output & TH) ^ (output & TH)) {
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
735 if (current_cycle >= port->device.pad.timeout_cycle) {
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
736 port->device.pad.th_counter = 0;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
737 }
1144
be3df2d8530a Increment TH counter on low to high transitions rather than high to low transitions for six button controllers. Fixes Charles MacDonald's SMS six button controller demo
Michael Pavone <pavone@retrodev.com>
parents: 1116
diff changeset
738 if ((output & TH)) {
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
739 port->device.pad.th_counter++;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
740 }
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
741 port->device.pad.timeout_cycle = current_cycle + TH_TIMEOUT;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
742 }
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
743 break;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
744 case IO_MOUSE:
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
745 mouse_check_ready(port, current_cycle);
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
746 if (output & TH) {
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
747 //request is over or mouse is being reset
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
748 if (port->device.mouse.tr_counter) {
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
749 //request is over
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
750 port->device.mouse.last_read_x = port->device.mouse.latched_x;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
751 port->device.mouse.last_read_y = port->device.mouse.latched_y;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
752 }
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
753 port->device.mouse.tr_counter = 0;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
754 port->device.mouse.ready_cycle = CYCLE_NEVER;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
755 } else {
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
756 if ((output & TR) != (old_output & TR)) {
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
757 int delay_index = port->device.mouse.tr_counter >= sizeof(mouse_delays) ? sizeof(mouse_delays)-1 : port->device.mouse.tr_counter;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
758 port->device.mouse.ready_cycle = current_cycle + mouse_delays[delay_index];
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
759 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
760 }
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
761 break;
1028
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
762 case IO_SATURN_KEYBOARD:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
763 if (output & TH) {
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
764 //request is over
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
765 if (port->device.keyboard.tr_counter >= 10 && port->device.keyboard.read_pos != 0xFF) {
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
766 //remove scan code from buffer
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
767 port->device.keyboard.read_pos++;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
768 port->device.keyboard.read_pos &= 7;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
769 if (port->device.keyboard.read_pos == port->device.keyboard.write_pos) {
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
770 port->device.keyboard.read_pos = 0xFF;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
771 }
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
772 }
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
773 port->device.keyboard.tr_counter = 0;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
774 } else {
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
775 if ((output & TR) != (old_output & TR)) {
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
776 port->device.keyboard.tr_counter++;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
777 }
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
778 }
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
779 break;
1232
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
780 case IO_XBAND_KEYBOARD:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
781 if (output & TH) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
782 //request is over
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
783 if (
1257
db28178bd2a1 Fix removal of scan codes from buffer in XBAND keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1256
diff changeset
784 port->device.keyboard.mode == KB_READ && port->device.keyboard.tr_counter > 6
1232
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
785 && (port->device.keyboard.tr_counter & 1)
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
786 ) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
787 if (port->device.keyboard.events[port->device.keyboard.read_pos] & 0xFF00) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
788 port->device.keyboard.events[port->device.keyboard.read_pos] &= 0xFF;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
789 } else {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
790 port->device.keyboard.read_pos++;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
791 port->device.keyboard.read_pos &= 7;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
792 if (port->device.keyboard.read_pos == port->device.keyboard.write_pos) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
793 port->device.keyboard.read_pos = 0xFF;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
794 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
795 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
796 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
797 port->device.keyboard.tr_counter = 0;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
798 port->device.keyboard.mode = KB_SETUP;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
799 } else {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
800 if ((output & TR) != (old_output & TR)) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
801 port->device.keyboard.tr_counter++;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
802 if (port->device.keyboard.tr_counter == 2) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
803 port->device.keyboard.mode = (output & 0xF) ? KB_READ : KB_WRITE;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
804 } else if (port->device.keyboard.mode == KB_WRITE) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
805 switch (port->device.keyboard.tr_counter)
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
806 {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
807 case 3:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
808 //host writes 0b0001
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
809 break;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
810 case 4:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
811 //host writes 0b0000
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
812 break;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
813 case 5:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
814 //host writes 0b0000
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
815 break;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
816 case 6:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
817 port->device.keyboard.cmd = output << 4;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
818 break;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
819 case 7:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
820 port->device.keyboard.cmd |= output & 0xF;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
821 //TODO: actually do something with the command
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
822 break;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
823 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
824 } else if (
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
825 port->device.keyboard.mode == KB_READ && port->device.keyboard.tr_counter > 7
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
826 && !(port->device.keyboard.tr_counter & 1)
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
827 ) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
828
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
829 if (port->device.keyboard.events[port->device.keyboard.read_pos] & 0xFF00) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
830 port->device.keyboard.events[port->device.keyboard.read_pos] &= 0xFF;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
831 } else {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
832 port->device.keyboard.read_pos++;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
833 port->device.keyboard.read_pos &= 7;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
834 if (port->device.keyboard.read_pos == port->device.keyboard.write_pos) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
835 port->device.keyboard.read_pos = 0xFF;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
836 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
837 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
838 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
839 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
840 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
841 break;
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 722
diff changeset
842 #ifndef _WIN32
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
843 case IO_GENERIC:
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
844 wait_for_connection(port);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
845 port->input[IO_STATE] = IO_WRITE_PENDING;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
846 service_socket(port);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
847 break;
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 722
diff changeset
848 #endif
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
849 }
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
850 port->output = value;
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
851
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
852 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
853
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
854 void io_tx_write(io_port *port, uint8_t value, uint32_t current_cycle)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
855 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
856 io_run(port, current_cycle);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
857 port->serial_out = value;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
858 port->serial_ctrl |= SCTRL_BIT_TX_FULL;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
859 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
860
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
861 void io_sctrl_write(io_port *port, uint8_t value, uint32_t current_cycle)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
862 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
863 io_run(port, current_cycle);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
864 port->serial_ctrl = (port->serial_ctrl & 0x7) | (value & 0xF8);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
865 set_serial_clock(port);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
866 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
867
1232
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
868 uint8_t get_scancode_bytes(io_port *port)
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
869 {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
870 if (port->device.keyboard.read_pos == 0xFF) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
871 return 0;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
872 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
873 uint8_t bytes = 0, read_pos = port->device.keyboard.read_pos;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
874 do {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
875 bytes += port->device.keyboard.events[read_pos] & 0xFF00 ? 2 : 1;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
876 read_pos++;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
877 read_pos &= 7;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
878 } while (read_pos != port->device.keyboard.write_pos);
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
879
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
880 return bytes;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
881 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
882
1348
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
883 #define SLOW_RISE_DEVICE (30*7)
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
884 #define SLOW_RISE_INPUT (12*7)
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
885
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
886 static uint8_t get_output_value(io_port *port, uint32_t current_cycle, uint32_t slow_rise_delay)
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
887 {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
888 uint8_t output = (port->control | 0x80) & port->output;
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
889 for (int i = 0; i < 8; i++)
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
890 {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
891 if (!(port->control & 1 << i)) {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
892 if (port->slow_rise_start[i] != CYCLE_NEVER) {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
893 if (current_cycle - port->slow_rise_start[i] >= slow_rise_delay) {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
894 output |= 1 << i;
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
895 }
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
896 } else {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
897 output |= 1 << i;
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
898 }
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
899 }
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
900 }
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
901 return output;
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
902 }
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
903
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
904 uint8_t io_data_read(io_port * port, uint32_t current_cycle)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
905 {
1348
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
906 uint8_t output = get_output_value(port, current_cycle, SLOW_RISE_DEVICE);
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
907 uint8_t control = port->control | 0x80;
911
73732ae76fa8 IO port pins should read as high from the perspective of a device when they are set as inputs
Michael Pavone <pavone@retrodev.com>
parents: 910
diff changeset
908 uint8_t th = output & 0x40;
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
909 uint8_t input;
1348
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
910 uint8_t device_driven;
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
911 if (current_cycle - port->last_poll_cycle > MIN_POLL_INTERVAL) {
1077
1a66d5165ea7 Cleanup the separation of render backend and VDP code in preparation for having extra debug windows. Make determination of H40/H32 based on number of lines in each mode.
Michael Pavone <pavone@retrodev.com>
parents: 1035
diff changeset
912 process_events();
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
913 port->last_poll_cycle = current_cycle;
1077
1a66d5165ea7 Cleanup the separation of render backend and VDP code in preparation for having extra debug windows. Make determination of H40/H32 based on number of lines in each mode.
Michael Pavone <pavone@retrodev.com>
parents: 1035
diff changeset
914 }
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
915 switch (port->device_type)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
916 {
1146
3e24de8d8073 Add support for SMS controllers
Michael Pavone <pavone@retrodev.com>
parents: 1144
diff changeset
917 case IO_GAMEPAD2:
3e24de8d8073 Add support for SMS controllers
Michael Pavone <pavone@retrodev.com>
parents: 1144
diff changeset
918 input = ~port->input[GAMEPAD_TH1];
1379
65f1d6558e9e Update SMS code for changes supporting slow rise time emulation in IO code
Michael Pavone <pavone@retrodev.com>
parents: 1377
diff changeset
919 device_driven = 0x3F;
1146
3e24de8d8073 Add support for SMS controllers
Michael Pavone <pavone@retrodev.com>
parents: 1144
diff changeset
920 break;
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
921 case IO_GAMEPAD3:
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
922 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
923 input = port->input[th ? GAMEPAD_TH1 : GAMEPAD_TH0];
888
bc127fa1f800 Fix Mega Drive peripheral ID for 3-button pad
Michael Pavone <pavone@retrodev.com>
parents: 886
diff changeset
924 if (!th) {
bc127fa1f800 Fix Mega Drive peripheral ID for 3-button pad
Michael Pavone <pavone@retrodev.com>
parents: 886
diff changeset
925 input |= 0xC;
bc127fa1f800 Fix Mega Drive peripheral ID for 3-button pad
Michael Pavone <pavone@retrodev.com>
parents: 886
diff changeset
926 }
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
927 //controller output is logically inverted
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
928 input = ~input;
1348
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
929 device_driven = 0x3F;
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
930 break;
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
931 }
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
932 case IO_GAMEPAD6:
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
933 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
934 if (current_cycle >= port->device.pad.timeout_cycle) {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
935 port->device.pad.th_counter = 0;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
936 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
937 /*if (port->input[GAMEPAD_TH0] || port->input[GAMEPAD_TH1]) {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
938 printf("io_data_read | control: %X, TH: %X, GAMEPAD_TH0: %X, GAMEPAD_TH1: %X, TH Counter: %d, Timeout: %d, Cycle: %d\n", control, th, port->input[GAMEPAD_TH0], port->input[GAMEPAD_TH1], port->th_counter,port->timeout_cycle, context->current_cycle);
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
939 }*/
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
940 if (th) {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
941 if (port->device.pad.th_counter == 3) {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
942 input = port->input[GAMEPAD_EXTRA];
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
943 } else {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
944 input = port->input[GAMEPAD_TH1];
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
945 }
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
946 } else {
1144
be3df2d8530a Increment TH counter on low to high transitions rather than high to low transitions for six button controllers. Fixes Charles MacDonald's SMS six button controller demo
Michael Pavone <pavone@retrodev.com>
parents: 1116
diff changeset
947 if (port->device.pad.th_counter == 2) {
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
948 input = port->input[GAMEPAD_TH0] | 0xF;
1144
be3df2d8530a Increment TH counter on low to high transitions rather than high to low transitions for six button controllers. Fixes Charles MacDonald's SMS six button controller demo
Michael Pavone <pavone@retrodev.com>
parents: 1116
diff changeset
949 } else if(port->device.pad.th_counter == 3) {
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
950 input = port->input[GAMEPAD_TH0] & 0x30;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
951 } else {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
952 input = port->input[GAMEPAD_TH0] | 0xC;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
953 }
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
954 }
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
955 //controller output is logically inverted
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
956 input = ~input;
1348
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
957 device_driven = 0x3F;
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
958 break;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
959 }
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
960 case IO_MOUSE:
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
961 {
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
962 mouse_check_ready(port, current_cycle);
911
73732ae76fa8 IO port pins should read as high from the perspective of a device when they are set as inputs
Michael Pavone <pavone@retrodev.com>
parents: 910
diff changeset
963 uint8_t tr = output & TR;
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
964 if (th) {
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
965 if (tr) {
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
966 input = 0x10;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
967 } else {
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
968 input = 0;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
969 }
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
970 } else {
913
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 912
diff changeset
971
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
972 int16_t delta_x = port->device.mouse.latched_x - port->device.mouse.last_read_x;
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
973 int16_t delta_y = port->device.mouse.last_read_y - port->device.mouse.latched_y;
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
974 switch (port->device.mouse.tr_counter)
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
975 {
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
976 case 0:
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
977 input = 0xB;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
978 break;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
979 case 1:
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
980 case 2:
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
981 input = 0xF;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
982 break;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
983 case 3:
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
984 input = 0;
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
985 if (delta_y > 255 || delta_y < -255) {
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
986 input |= 8;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
987 }
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
988 if (delta_x > 255 || delta_x < -255) {
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
989 input |= 4;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
990 }
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
991 if (delta_y < 0) {
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
992 input |= 2;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
993 }
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
994 if (delta_x < 0) {
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
995 input |= 1;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
996 }
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
997 break;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
998 case 4:
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
999 input = port->input[0];
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1000 break;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1001 case 5:
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
1002 input = delta_x >> 4 & 0xF;
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1003 break;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1004 case 6:
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
1005 input = delta_x & 0xF;
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1006 break;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1007 case 7:
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
1008 input = delta_y >> 4 & 0xF;
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1009 break;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1010 case 8:
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1011 default:
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
1012 input = delta_y & 0xF;
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1013 break;
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1014 }
912
599e2861f484 Rough emulation of mouse response delays when TR is toggled. Latch current mouse value rather than delta. Some other IO cleanup/fixes
Michael Pavone <pavone@retrodev.com>
parents: 911
diff changeset
1015 input |= ((port->device.mouse.tr_counter & 1) == 0) << 4;
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1016 }
1348
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
1017 device_driven = 0x1F;
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1018 break;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1019 }
1028
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1020 case IO_SATURN_KEYBOARD:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1021 {
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1022 if (th) {
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1023 input = 0x11;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1024 } else {
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1025 uint8_t tr = output & TR;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1026 uint16_t code = port->device.keyboard.read_pos == 0xFF ? 0
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1027 : port->device.keyboard.events[port->device.keyboard.read_pos];
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1028 switch (port->device.keyboard.tr_counter)
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1029 {
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1030 case 0:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1031 input = 1;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1032 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1033 case 1:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1034 //Saturn peripheral ID
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1035 input = 3;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1036 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1037 case 2:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1038 //data size
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1039 input = 4;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1040 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1041 case 3:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1042 //d-pad
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1043 //TODO: set these based on keyboard state
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1044 input = 0xF;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1045 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1046 case 4:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1047 //Start ABC
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1048 //TODO: set these based on keyboard state
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1049 input = 0xF;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1050 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1051 case 5:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1052 //R XYZ
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1053 //TODO: set these based on keyboard state
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1054 input = 0xF;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1055 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1056 case 6:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1057 //L and KBID
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1058 //TODO: set L based on keyboard state
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1059 input = 0x8;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1060 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1061 case 7:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1062 //Capslock, Numlock, Scrolllock
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1063 //TODO: set these based on keyboard state
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1064 input = 0;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1065 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1066 case 8:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1067 input = 6;
1232
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1068 if (code & 0xFF00) {
1028
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1069 //break
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1070 input |= 1;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1071 } else if (code) {
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1072 input |= 8;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1073 }
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1074 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1075 case 9:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1076 input = code >> 4 & 0xF;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1077 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1078 case 10:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1079 input = code & 0xF;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1080 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1081 case 11:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1082 input = 0;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1083 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1084 default:
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1085 input = 1;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1086 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1087 }
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1088 input |= ((port->device.keyboard.tr_counter & 1) == 0) << 4;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1089 }
1348
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
1090 device_driven = 0x1F;
1028
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1091 break;
56b1748a8473 Initial stab at Saturn keyboard support
Michael Pavone <pavone@retrodev.com>
parents: 1026
diff changeset
1092 }
1232
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1093 case IO_XBAND_KEYBOARD:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1094 {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1095 if (th) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1096 input = 0x1C;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1097 } else {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1098 uint8_t size;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1099 if (port->device.keyboard.mode == KB_SETUP || port->device.keyboard.mode == KB_READ) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1100 switch (port->device.keyboard.tr_counter)
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1101 {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1102 case 0:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1103 input = 0x3;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1104 break;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1105 case 1:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1106 input = 0x6;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1107 break;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1108 case 2:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1109 //This is where thoe host indicates a read or write
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1110 //presumably, the keyboard only outputs this if the host
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1111 //is not already driving the data bus low
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1112 input = 0x9;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1113 break;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1114 case 3:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1115 size = get_scancode_bytes(port);
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1116 if (size) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1117 ++size;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1118 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1119 if (size > 15) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1120 size = 15;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1121 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1122 input = size;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1123 break;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1124 case 4:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1125 case 5:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1126 //always send packet type 0 for now
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1127 input = 0;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1128 break;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1129 default:
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1130 if (port->device.keyboard.read_pos == 0xFF) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1131 //we've run out of bytes
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1132 input = 0;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1133 } else if (port->device.keyboard.events[port->device.keyboard.read_pos] & 0xFF00) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1134 if (port->device.keyboard.tr_counter & 1) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1135 input = port->device.keyboard.events[port->device.keyboard.read_pos] >> 8 & 0xF;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1136 } else {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1137 input = port->device.keyboard.events[port->device.keyboard.read_pos] >> 12;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1138 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1139 } else {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1140 if (port->device.keyboard.tr_counter & 1) {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1141 input = port->device.keyboard.events[port->device.keyboard.read_pos] & 0xF;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1142 } else {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1143 input = port->device.keyboard.events[port->device.keyboard.read_pos] >> 4;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1144 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1145 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1146 break;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1147 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1148 } else {
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1149 input = 0xF;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1150 }
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1151 input |= ((port->device.keyboard.tr_counter & 1) == 0) << 4;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1152 }
1453
cd6e566eb6b9 Fix regression in XBAND keyboard support. Fixes ticket:33
Michael Pavone <pavone@retrodev.com>
parents: 1438
diff changeset
1153 //this is not strictly correct at all times, but good enough for now
cd6e566eb6b9 Fix regression in XBAND keyboard support. Fixes ticket:33
Michael Pavone <pavone@retrodev.com>
parents: 1438
diff changeset
1154 device_driven = 0x1F;
1232
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1155 break;
c0120977eeea Initial implementation of the XBAND "Eric Smith" keyboard
Michael Pavone <pavone@retrodev.com>
parents: 1208
diff changeset
1156 }
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 722
diff changeset
1157 #ifndef _WIN32
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1158 case IO_SEGA_PARALLEL:
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1159 if (!th)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1160 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1161 service_pipe(port);
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1162 }
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1163 input = port->input[th ? IO_TH1 : IO_TH0];
1348
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
1164 device_driven = 0x3F;
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1165 break;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1166 case IO_GENERIC:
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1167 if (port->input[IO_TH0] & 0x80 && port->input[IO_STATE] == IO_WRITTEN)
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1168 {
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1169 //device requested a blocking read after writes
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1170 port->input[IO_STATE] = IO_READ_PENDING;
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1171 }
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1172 service_socket(port);
897
b9564fb88a5a WIP support for mega mouse
Michael Pavone <pavone@retrodev.com>
parents: 888
diff changeset
1173 input = port->input[IO_TH0];
1348
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
1174 device_driven = 0x7F;
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1175 break;
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 722
diff changeset
1176 #endif
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1177 default:
1348
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
1178 input = 0;
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
1179 device_driven = 0;
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1180 break;
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1181 }
1348
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
1182 uint8_t value = (input & (~control) & device_driven) | (port->output & control);
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
1183 //deal with pins that are configured as inputs, but not being actively driven by the device
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
1184 uint8_t floating = (~device_driven) & (~control);
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
1185 if (floating) {
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
1186 value |= get_output_value(port, current_cycle, SLOW_RISE_INPUT) & floating;
040c5600e2d9 Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
1187 }
645
d77c79cec800 Initial support for configurable IO, custom IO and sega transfer board emulation
Michael Pavone <pavone@retrodev.com>
parents: 504
diff changeset
1188 /*if (port->input[GAMEPAD_TH0] || port->input[GAMEPAD_TH1]) {
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1189 printf ("value: %X\n", value);
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1190 }*/
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1191 return value;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1192 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1193
2025
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1194 uint8_t io_rx_read(io_port * port, uint32_t current_cycle)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1195 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1196 io_run(port, current_cycle);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1197 port->serial_ctrl &= ~SCTRL_BIT_RX_READY;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1198 return port->serial_in;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1199 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1200
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1201 uint8_t io_sctrl_read(io_port *port, uint32_t current_cycle)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1202 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1203 io_run(port, current_cycle);
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1204 return port->serial_ctrl;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1205 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1206
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1207 uint32_t io_next_interrupt(io_port *port, uint32_t current_cycle)
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1208 {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1209 if (!(port->control & 0x80)) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1210 return CYCLE_NEVER;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1211 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1212 if (port->serial_ctrl & SCTRL_BIT_RX_INTEN) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1213 if (port->serial_ctrl & SCTRL_BIT_RX_READY) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1214 return current_cycle;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1215 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1216 if ((port->serial_ctrl & SCTRL_BIT_RX_ENABLE) && port->receive_end) {
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1217 return port->receive_end;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1218 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1219 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1220 //TODO: handle external interrupts from TH transitions
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1221 return CYCLE_NEVER;
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1222 }
e7a516f08cec Implement serial IO, a generic serial device type and external interrupts
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
1223
1427
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1224 void io_serialize(io_port *port, serialize_buffer *buf)
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1225 {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1226 save_int8(buf, port->output);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1227 save_int8(buf, port->control);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1228 save_int8(buf, port->serial_out);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1229 save_int8(buf, port->serial_in);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1230 save_int8(buf, port->serial_ctrl);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1231 save_int8(buf, port->device_type);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1232 save_buffer32(buf, port->slow_rise_start, 8);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1233 switch (port->device_type)
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1234 {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1235 case IO_GAMEPAD6:
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1236 save_int32(buf, port->device.pad.timeout_cycle);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1237 save_int16(buf, port->device.pad.th_counter);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1238 break;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1239 case IO_MOUSE:
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1240 save_int32(buf, port->device.mouse.ready_cycle);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1241 save_int16(buf, port->device.mouse.last_read_x);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1242 save_int16(buf, port->device.mouse.last_read_y);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1243 save_int16(buf, port->device.mouse.latched_x);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1244 save_int16(buf, port->device.mouse.latched_y);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1245 save_int8(buf, port->device.mouse.tr_counter);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1246 break;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1247 case IO_SATURN_KEYBOARD:
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1248 case IO_XBAND_KEYBOARD:
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1249 save_int8(buf, port->device.keyboard.tr_counter);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1250 if (port->device_type == IO_XBAND_KEYBOARD) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1251 save_int8(buf, port->device.keyboard.mode);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1252 save_int8(buf, port->device.keyboard.cmd);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1253 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1254 break;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1255 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1256 }
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1257
1427
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1258 void io_deserialize(deserialize_buffer *buf, void *vport)
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1259 {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1260 io_port *port = vport;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1261 port->output = load_int8(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1262 port->control = load_int8(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1263 port->serial_out = load_int8(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1264 port->serial_in = load_int8(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1265 port->serial_ctrl = load_int8(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1266 uint8_t device_type = load_int8(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1267 if (device_type != port->device_type) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1268 warning("Loaded save state has a different device type from the current configuration");
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1269 return;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1270 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1271 switch (port->device_type)
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1272 {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1273 case IO_GAMEPAD6:
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1274 port->device.pad.timeout_cycle = load_int32(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1275 port->device.pad.th_counter = load_int16(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1276 break;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1277 case IO_MOUSE:
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1278 port->device.mouse.ready_cycle = load_int32(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1279 port->device.mouse.last_read_x = load_int16(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1280 port->device.mouse.last_read_y = load_int16(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1281 port->device.mouse.latched_x = load_int16(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1282 port->device.mouse.latched_y = load_int16(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1283 port->device.mouse.tr_counter = load_int8(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1284 break;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1285 case IO_SATURN_KEYBOARD:
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1286 case IO_XBAND_KEYBOARD:
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1287 port->device.keyboard.tr_counter = load_int8(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1288 if (port->device_type == IO_XBAND_KEYBOARD) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1289 port->device.keyboard.mode = load_int8(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1290 port->device.keyboard.cmd = load_int8(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1291 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1292 break;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1293 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents: 1400
diff changeset
1294 }