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annotate io.c @ 444:cc754a309ead

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Add fullscreen support and add a keybinding for exiting the emulator
author Mike Pavone <pavone@retrodev.com>
date Wed, 17 Jul 2013 22:26:11 -0700
parents afbea09d7fb4
children b7c3b2d22858
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421
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1 #include "io.h"
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2 #include "blastem.h"
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3 #include "render.h"
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4
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5 enum {
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6 BIND_NONE,
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7 BIND_GAMEPAD1,
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8 BIND_GAMEPAD2,
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9 BIND_UI
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10 };
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11
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12 typedef enum {
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13 UI_DEBUG_MODE_INC,
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14 UI_DEBUG_PAL_INC,
444
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15 UI_ENTER_DEBUGGER,
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16 UI_EXIT
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17 } ui_action;
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18
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19 typedef struct {
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20 uint8_t bind_type;
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21 uint8_t subtype_a;
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22 uint8_t subtype_b;
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23 uint8_t value;
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24 } keybinding;
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25
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26 typedef struct {
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27 keybinding bindings[4];
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28 uint8_t state;
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29 } joydpad;
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30
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31 keybinding * bindings[256];
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32 keybinding * joybindings[MAX_JOYSTICKS];
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33 joydpad * joydpads[MAX_JOYSTICKS];
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34 const uint8_t dpadbits[] = {RENDER_DPAD_UP, RENDER_DPAD_DOWN, RENDER_DPAD_LEFT, RENDER_DPAD_RIGHT};
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35
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36 void bind_key(int keycode, uint8_t bind_type, uint8_t subtype_a, uint8_t subtype_b, uint8_t value)
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37 {
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38 int bucket = keycode >> 8 & 0xFF;
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39 if (!bindings[bucket]) {
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40 bindings[bucket] = malloc(sizeof(keybinding) * 256);
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41 memset(bindings[bucket], 0, sizeof(keybinding) * 256);
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42 }
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43 int idx = keycode & 0xFF;
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44 bindings[bucket][idx].bind_type = bind_type;
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45 bindings[bucket][idx].subtype_a = subtype_a;
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46 bindings[bucket][idx].subtype_b = subtype_b;
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47 bindings[bucket][idx].value = value;
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48 }
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49
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50 void bind_button(int joystick, int button, uint8_t bind_type, uint8_t subtype_a, uint8_t subtype_b, uint8_t value)
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51 {
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52 if (joystick >= MAX_JOYSTICKS) {
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53 return;
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54 }
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55 if (!joybindings[joystick]) {
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56 int num = render_joystick_num_buttons(joystick);
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57 if (!num) {
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58 return;
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59 }
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60 joybindings[joystick] = malloc(sizeof(keybinding)*num);
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61 memset(joybindings[joystick], 0, sizeof(keybinding)*num);
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62 }
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63 joybindings[joystick][button].bind_type = bind_type;
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64 joybindings[joystick][button].subtype_a = subtype_a;
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65 joybindings[joystick][button].subtype_b = subtype_b;
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66 joybindings[joystick][button].value = value;
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67 }
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68
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69 void bind_dpad(int joystick, int dpad, int direction, uint8_t bind_type, uint8_t subtype_a, uint8_t subtype_b, uint8_t value)
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70 {
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71 if (joystick >= MAX_JOYSTICKS) {
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72 return;
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73 }
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74 if (!joydpads[joystick]) {
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75 int num = render_joystick_num_hats(joystick);
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76 if (!num) {
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77 return;
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78 }
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79 joydpads[joystick] = malloc(sizeof(joydpad)*num);
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80 memset(joydpads[joystick], 0, sizeof(joydpad)*num);
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81 }
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82 for (int i = 0; i < 4; i ++) {
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83 if (dpadbits[i] & direction) {
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84 joydpads[joystick][dpad].bindings[i].bind_type = bind_type;
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85 joydpads[joystick][dpad].bindings[i].subtype_a = subtype_a;
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86 joydpads[joystick][dpad].bindings[i].subtype_b = subtype_b;
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87 joydpads[joystick][dpad].bindings[i].value = value;
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88 break;
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89 }
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90 }
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91 }
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92
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93 #define GAMEPAD_BUTTON(PRI_SLOT, SEC_SLOT, VALUE) (PRI_SLOT << 12 | SEC_SLOT << 8 | VALUE)
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94
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95 #define DPAD_UP GAMEPAD_BUTTON(GAMEPAD_TH0, GAMEPAD_TH1, 0x01)
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96 #define BUTTON_Z GAMEPAD_BUTTON(GAMEPAD_EXTRA, GAMEPAD_NONE, 0x01)
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97 #define DPAD_DOWN GAMEPAD_BUTTON(GAMEPAD_TH0, GAMEPAD_TH1, 0x02)
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98 #define BUTTON_Y GAMEPAD_BUTTON(GAMEPAD_EXTRA, GAMEPAD_NONE, 0x02)
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99 #define DPAD_LEFT GAMEPAD_BUTTON(GAMEPAD_TH1, GAMEPAD_NONE, 0x04)
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100 #define BUTTON_X GAMEPAD_BUTTON(GAMEPAD_EXTRA, GAMEPAD_NONE, 0x04)
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101 #define DPAD_RIGHT GAMEPAD_BUTTON(GAMEPAD_TH1, GAMEPAD_NONE, 0x08)
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102 #define BUTTON_MODE GAMEPAD_BUTTON(GAMEPAD_EXTRA, GAMEPAD_NONE, 0x08)
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103 #define BUTTON_A GAMEPAD_BUTTON(GAMEPAD_TH0, GAMEPAD_NONE, 0x10)
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104 #define BUTTON_B GAMEPAD_BUTTON(GAMEPAD_TH1, GAMEPAD_NONE, 0x10)
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105 #define BUTTON_START GAMEPAD_BUTTON(GAMEPAD_TH0, GAMEPAD_NONE, 0x20)
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106 #define BUTTON_C GAMEPAD_BUTTON(GAMEPAD_TH1, GAMEPAD_NONE, 0x20)
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107
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108 void bind_gamepad(int keycode, int gamepadnum, int button)
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109 {
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110
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111 if (gamepadnum < 1 || gamepadnum > 2) {
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112 return;
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113 }
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114 uint8_t bind_type = gamepadnum - 1 + BIND_GAMEPAD1;
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115 bind_key(keycode, bind_type, button >> 12, button >> 8 & 0xF, button & 0xFF);
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116 }
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117
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118 void bind_button_gamepad(int joystick, int joybutton, int gamepadnum, int padbutton)
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119 {
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120 if (gamepadnum < 1 || gamepadnum > 2) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
121 return;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
122 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
123 uint8_t bind_type = gamepadnum - 1 + BIND_GAMEPAD1;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
124 bind_button(joystick, joybutton, bind_type, padbutton >> 12, padbutton >> 8 & 0xF, padbutton & 0xFF);
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
125 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
126
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
127 void bind_dpad_gamepad(int joystick, int dpad, uint8_t direction, int gamepadnum, int button)
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
128 {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
129 if (gamepadnum < 1 || gamepadnum > 2) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
130 return;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
131 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
132 uint8_t bind_type = gamepadnum - 1 + BIND_GAMEPAD1;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
133 bind_dpad(joystick, dpad, direction, bind_type, button >> 12, button >> 8 & 0xF, button & 0xFF);
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
134 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
135
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
136 void bind_ui(int keycode, ui_action action)
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
137 {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
138 bind_key(keycode, BIND_UI, action, 0, 0);
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
139 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
140
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
141 void handle_binding_down(keybinding * binding)
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
142 {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
143 switch(binding->bind_type)
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
144 {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
145 case BIND_GAMEPAD1:
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
146 case BIND_GAMEPAD2:
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
147 if (binding->subtype_a <= GAMEPAD_EXTRA) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
148 genesis->ports[binding->bind_type - BIND_GAMEPAD1].input[binding->subtype_a] |= binding->value;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
149 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
150 if (binding->subtype_b <= GAMEPAD_EXTRA) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
151 genesis->ports[binding->bind_type - BIND_GAMEPAD1].input[binding->subtype_b] |= binding->value;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
152 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
153 break;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
154 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
155 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
156
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
157 void handle_keydown(int keycode)
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
158 {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
159 int bucket = keycode >> 8 & 0xFF;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
160 if (!bindings[bucket]) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
161 return;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
162 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
163 int idx = keycode & 0xFF;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
164 keybinding * binding = bindings[bucket] + idx;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
165 handle_binding_down(binding);
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
166 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
167
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
168 void handle_joydown(int joystick, int button)
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
169 {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
170 if (!joybindings[joystick]) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
171 return;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
172 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
173 keybinding * binding = joybindings[joystick] + button;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
174 handle_binding_down(binding);
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
175 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
176
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
177 uint8_t ui_debug_mode = 0;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
178 uint8_t ui_debug_pal = 0;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
179
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
180 void handle_binding_up(keybinding * binding)
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
181 {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
182 switch(binding->bind_type)
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
183 {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
184 case BIND_GAMEPAD1:
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
185 case BIND_GAMEPAD2:
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
186 if (binding->subtype_a <= GAMEPAD_EXTRA) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
187 genesis->ports[binding->bind_type - BIND_GAMEPAD1].input[binding->subtype_a] &= ~binding->value;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
188 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
189 if (binding->subtype_b <= GAMEPAD_EXTRA) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
190 genesis->ports[binding->bind_type - BIND_GAMEPAD1].input[binding->subtype_b] &= ~binding->value;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
191 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
192 break;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
193 case BIND_UI:
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
194 switch (binding->subtype_a)
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
195 {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
196 case UI_DEBUG_MODE_INC:
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
197 ui_debug_mode++;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
198 if (ui_debug_mode == 4) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
199 ui_debug_mode = 0;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
200 }
437
afbea09d7fb4 Restore one of the VDP debugging modes
Mike Pavone <pavone@retrodev.com>
parents: 432
diff changeset
201 genesis->vdp->debug = ui_debug_mode;
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
202 break;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
203 case UI_DEBUG_PAL_INC:
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
204 ui_debug_pal++;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
205 if (ui_debug_pal == 4) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
206 ui_debug_pal = 0;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
207 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
208 render_debug_pal(ui_debug_pal);
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
209 break;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
210 case UI_ENTER_DEBUGGER:
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
211 break_on_sync = 1;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
212 break;
444
cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator
Mike Pavone <pavone@retrodev.com>
parents: 437
diff changeset
213 case UI_EXIT:
cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator
Mike Pavone <pavone@retrodev.com>
parents: 437
diff changeset
214 exit(0);
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
215 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
216 break;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
217 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
218 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
219
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
220 void handle_keyup(int keycode)
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
221 {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
222 int bucket = keycode >> 8 & 0xFF;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
223 if (!bindings[bucket]) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
224 return;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
225 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
226 int idx = keycode & 0xFF;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
227 keybinding * binding = bindings[bucket] + idx;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
228 handle_binding_up(binding);
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
229 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
230
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
231 void handle_joyup(int joystick, int button)
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
232 {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
233 if (!joybindings[joystick]) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
234 return;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
235 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
236 keybinding * binding = joybindings[joystick] + button;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
237 handle_binding_up(binding);
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
238 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
239
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
240 void handle_joy_dpad(int joystick, int dpadnum, uint8_t value)
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
241 {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
242 if (!joydpads[joystick]) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
243 return;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
244 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
245 joydpad * dpad = joydpads[joystick] + dpadnum;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
246 uint8_t newdown = (value ^ dpad->state) & value;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
247 uint8_t newup = ((~value) ^ (~dpad->state)) & (~value);
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
248 dpad->state = value;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
249 for (int i = 0; i < 4; i++) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
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250 if (newdown & dpadbits[i]) {
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251 handle_binding_down(dpad->bindings + i);
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252 } else if(newup & dpadbits[i]) {
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253 handle_binding_up(dpad->bindings + i);
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254 }
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255 }
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256 }
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257
432
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258 int parse_binding_target(char * target, tern_node * padbuttons, int * ui_out, int * padnum_out, int * padbutton_out)
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259 {
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260 int gpadslen = strlen("gamepads.");
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261 if (!memcmp(target, "gamepads.", gpadslen)) {
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262 if (target[gpadslen] >= '1' && target[gpadslen] <= '8') {
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263 int padnum = target[gpadslen] - '0';
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264 int button = tern_find_int(padbuttons, target + gpadslen + 1, 0);
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265 if (button) {
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266 *padnum_out = padnum;
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267 *padbutton_out = button;
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268 return 1;
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269 } else {
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270 if (target[gpadslen+1]) {
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271 fprintf(stderr, "Gamepad mapping string '%s' refers to an invalid button '%s'\n", target, target + gpadslen + 1);
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272 } else {
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273 fprintf(stderr, "Gamepad mapping string '%s' has no button component\n", target);
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274 }
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275 }
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276 } else {
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277 fprintf(stderr, "Gamepad mapping string '%s' refers to an invalid gamepad number %c\n", target, target[gpadslen]);
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278 }
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279 } else if(!memcmp(target, "ui.", strlen("ui."))) {
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280 if (!strcmp(target + 3, "vdp_debug_mode")) {
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281 *ui_out = UI_DEBUG_MODE_INC;
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282 } else if(!strcmp(target + 3, "vdp_debug_pal")) {
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283 *ui_out = UI_DEBUG_PAL_INC;
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284 } else if(!strcmp(target + 3, "enter_debugger")) {
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diff changeset
285 *ui_out = UI_ENTER_DEBUGGER;
444
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286 } else if(!strcmp(target + 3, "exit")) {
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287 *ui_out = UI_EXIT;
432
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288 } else {
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289 fprintf(stderr, "Unreconized UI binding type %s\n", target);
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290 return 0;
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diff changeset
291 }
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292 return 2;
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293 } else {
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294 fprintf(stderr, "Unrecognized binding type %s\n", target);
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295 }
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296 return 0;
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diff changeset
297 }
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298
431
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299 void process_keys(tern_node * cur, tern_node * special, tern_node * padbuttons, char * prefix)
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diff changeset
300 {
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diff changeset
301 char * curstr;
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diff changeset
302 int len;
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diff changeset
303 if (!cur) {
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diff changeset
304 return;
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diff changeset
305 }
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diff changeset
306 char onec[2];
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diff changeset
307 if (prefix) {
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diff changeset
308 len = strlen(prefix);
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diff changeset
309 curstr = malloc(len + 2);
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diff changeset
310 memcpy(curstr, prefix, len);
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diff changeset
311 } else {
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diff changeset
312 curstr = onec;
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diff changeset
313 len = 0;
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314 }
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diff changeset
315 curstr[len] = cur->el;
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diff changeset
316 if (cur->el) {
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diff changeset
317 curstr[len+1] = 0;
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diff changeset
318 process_keys(cur->straight.next, special, padbuttons, curstr);
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diff changeset
319 } else {
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diff changeset
320 int keycode = tern_find_int(special, curstr, 0);
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diff changeset
321 if (!keycode) {
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diff changeset
322 keycode = curstr[0];
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diff changeset
323 if (curstr[1] != 0) {
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diff changeset
324 fprintf(stderr, "%s is not recognized as a key identifier, truncating to %c\n", curstr, curstr[0]);
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diff changeset
325 }
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diff changeset
326 }
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diff changeset
327 char * target = cur->straight.value.ptrval;
432
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diff changeset
328 int ui_func, padnum, button;
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diff changeset
329 int bindtype = parse_binding_target(target, padbuttons, &ui_func, &padnum, &button);
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diff changeset
330 if (bindtype == 1) {
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diff changeset
331 bind_gamepad(keycode, padnum, button);
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diff changeset
332 } else if(bindtype == 2) {
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diff changeset
333 bind_ui(keycode, ui_func);
431
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diff changeset
334 }
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diff changeset
335 }
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diff changeset
336 process_keys(cur->left, special, padbuttons, prefix);
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diff changeset
337 process_keys(cur->right, special, padbuttons, prefix);
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diff changeset
338 }
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diff changeset
339
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
340 void set_keybindings()
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
341 {
431
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diff changeset
342 tern_node * special = tern_insert_int(NULL, "up", RENDERKEY_UP);
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diff changeset
343 special = tern_insert_int(special, "down", RENDERKEY_DOWN);
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diff changeset
344 special = tern_insert_int(special, "left", RENDERKEY_LEFT);
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diff changeset
345 special = tern_insert_int(special, "right", RENDERKEY_RIGHT);
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diff changeset
346 special = tern_insert_int(special, "enter", '\r');
444
cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator
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diff changeset
347 special = tern_insert_int(special, "esc", RENDERKEY_ESC);
431
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diff changeset
348
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diff changeset
349 tern_node * padbuttons = tern_insert_int(NULL, ".up", DPAD_UP);
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diff changeset
350 padbuttons = tern_insert_int(padbuttons, ".down", DPAD_DOWN);
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diff changeset
351 padbuttons = tern_insert_int(padbuttons, ".left", DPAD_LEFT);
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diff changeset
352 padbuttons = tern_insert_int(padbuttons, ".right", DPAD_RIGHT);
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diff changeset
353 padbuttons = tern_insert_int(padbuttons, ".a", BUTTON_A);
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diff changeset
354 padbuttons = tern_insert_int(padbuttons, ".b", BUTTON_B);
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diff changeset
355 padbuttons = tern_insert_int(padbuttons, ".c", BUTTON_C);
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diff changeset
356 padbuttons = tern_insert_int(padbuttons, ".x", BUTTON_X);
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diff changeset
357 padbuttons = tern_insert_int(padbuttons, ".y", BUTTON_Y);
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parents: 421
diff changeset
358 padbuttons = tern_insert_int(padbuttons, ".z", BUTTON_Z);
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parents: 421
diff changeset
359 padbuttons = tern_insert_int(padbuttons, ".start", BUTTON_START);
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parents: 421
diff changeset
360 padbuttons = tern_insert_int(padbuttons, ".mode", BUTTON_MODE);
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parents: 421
diff changeset
361
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diff changeset
362 tern_node * keys = tern_find_prefix(config, "bindingskeys");
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diff changeset
363 process_keys(keys, special, padbuttons, NULL);
432
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diff changeset
364 char prefix[] = "bindingspads00";
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diff changeset
365 for (int i = 0; i < 100 && i < render_num_joysticks(); i++)
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parents: 431
diff changeset
366 {
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diff changeset
367 if (i < 10) {
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diff changeset
368 prefix[strlen("bindingspads")] = i + '0';
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diff changeset
369 prefix[strlen("bindingspads")+1] = 0;
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diff changeset
370 } else {
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diff changeset
371 prefix[strlen("bindingspads")] = i/10 + '0';
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diff changeset
372 prefix[strlen("bindingspads")+1] = i%10 + '0';
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diff changeset
373 }
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diff changeset
374 tern_node * pad = tern_find_prefix(config, prefix);
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parents: 431
diff changeset
375 if (pad) {
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diff changeset
376 char dprefix[] = "dpads0";
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diff changeset
377 for (int dpad = 0; dpad < 10 && dpad < render_joystick_num_hats(i); dpad++)
18cde14e8c10 Read joystick bindings from config file
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parents: 431
diff changeset
378 {
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diff changeset
379 dprefix[strlen("dpads")] = dpad + '0';
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diff changeset
380 tern_node * pad_dpad = tern_find_prefix(pad, dprefix);
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parents: 431
diff changeset
381 char * dirs[] = {"up", "down", "left", "right"};
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parents: 431
diff changeset
382 int dirnums[] = {RENDER_DPAD_UP, RENDER_DPAD_DOWN, RENDER_DPAD_LEFT, RENDER_DPAD_RIGHT};
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parents: 431
diff changeset
383 for (int dir = 0; dir < sizeof(dirs)/sizeof(dirs[0]); dir++) {
18cde14e8c10 Read joystick bindings from config file
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parents: 431
diff changeset
384 char * target = tern_find_ptr(pad_dpad, dirs[dir]);
18cde14e8c10 Read joystick bindings from config file
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parents: 431
diff changeset
385 if (target) {
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diff changeset
386 int ui_func, padnum, button;
18cde14e8c10 Read joystick bindings from config file
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parents: 431
diff changeset
387 int bindtype = parse_binding_target(target, padbuttons, &ui_func, &padnum, &button);
18cde14e8c10 Read joystick bindings from config file
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parents: 431
diff changeset
388 if (bindtype == 1) {
18cde14e8c10 Read joystick bindings from config file
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parents: 431
diff changeset
389 bind_dpad_gamepad(i, dpad, dirnums[dir], padnum, button);
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390 }
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391 //TODO: Handle UI bindings
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392 }
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393 }
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394 }
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395 char bprefix[] = "buttons00";
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396 for (int but = 0; but < 100 && but < render_joystick_num_buttons(i); but++)
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397 {
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398 if (but < 10) {
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399 bprefix[strlen("buttons")] = but + '0';
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400 bprefix[strlen("buttons")+1] = 0;
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401 } else {
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402 bprefix[strlen("buttons")] = but/10 + '0';
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403 bprefix[strlen("buttons")+1] = but%10 + '0';
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404 }
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405 char * target = tern_find_ptr(pad, bprefix);
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406 if (target) {
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407 int ui_func, padnum, button;
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408 int bindtype = parse_binding_target(target, padbuttons, &ui_func, &padnum, &button);
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409 if (bindtype == 1) {
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410 bind_button_gamepad(i, but, padnum, button);
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411 }
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412 //TODO: Handle UI bindings
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413 }
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414 }
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415 }
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416 }
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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417 }
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418
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419 #define TH 0x40
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420 #define TH_TIMEOUT 8000
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421
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422 void io_adjust_cycles(io_port * pad, uint32_t current_cycle, uint32_t deduction)
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423 {
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424 /*uint8_t control = pad->control | 0x80;
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425 uint8_t th = control & pad->output;
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426 if (pad->input[GAMEPAD_TH0] || pad->input[GAMEPAD_TH1]) {
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427 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);
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428 }*/
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429 if (current_cycle >= pad->timeout_cycle) {
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430 pad->th_counter = 0;
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431 } else {
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432 pad->timeout_cycle -= deduction;
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433 }
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434 }
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435
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436 void io_data_write(io_port * pad, uint8_t value, uint32_t current_cycle)
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437 {
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438 if (pad->control & TH) {
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439 //check if TH has changed
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440 if ((pad->output & TH) ^ (value & TH)) {
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parents:
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441 if (current_cycle >= pad->timeout_cycle) {
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442 pad->th_counter = 0;
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443 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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444 if (!(value & TH)) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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diff changeset
445 pad->th_counter++;
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diff changeset
446 }
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447 pad->timeout_cycle = current_cycle + TH_TIMEOUT;
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parents:
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448 }
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parents:
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449 }
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450 pad->output = value;
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451 }
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parents:
diff changeset
452
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453 uint8_t io_data_read(io_port * pad, uint32_t current_cycle)
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parents:
diff changeset
454 {
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455 uint8_t control = pad->control | 0x80;
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diff changeset
456 uint8_t th = control & pad->output;
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457 uint8_t input;
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458 if (current_cycle >= pad->timeout_cycle) {
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diff changeset
459 pad->th_counter = 0;
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diff changeset
460 }
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diff changeset
461 /*if (pad->input[GAMEPAD_TH0] || pad->input[GAMEPAD_TH1]) {
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diff changeset
462 printf("io_data_read | 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, context->current_cycle);
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parents:
diff changeset
463 }*/
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diff changeset
464 if (th) {
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diff changeset
465 if (pad->th_counter == 3) {
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parents:
diff changeset
466 input = pad->input[GAMEPAD_EXTRA];
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parents:
diff changeset
467 } else {
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diff changeset
468 input = pad->input[GAMEPAD_TH1];
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
469 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
470 } else {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
471 if (pad->th_counter == 3) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
472 input = pad->input[GAMEPAD_TH0] | 0xF;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
473 } else if(pad->th_counter == 4) {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
474 input = pad->input[GAMEPAD_TH0] & 0x30;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
475 } else {
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
476 input = pad->input[GAMEPAD_TH0] | 0xC;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
477 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
478 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
479 uint8_t value = ((~input) & (~control)) | (pad->output & control);
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
480 /*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
481 printf ("value: %X\n", value);
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
482 }*/
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
483 return value;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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parents:
diff changeset
484 }
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
485
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
486