mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
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64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
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#ifndef _INPUT_H_
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#define _INPUT_H_
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#include "types.h"
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/* Input devices */
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#ifdef NGC
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#define MAX_INPUTS (4)
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#else
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#define MAX_INPUTS (8)
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#endif
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#define MAX_DEVICES (8)
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#define DEVICE_3BUTTON (0x00) /* 3-button gamepad */
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#define DEVICE_6BUTTON (0x01) /* 6-button gamepad */
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#define DEVICE_MOUSE (0x02) /* Sega Mouse (not supported) */
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#define DEVICE_LIGHTGUN (0x03) /* Sega Menacer */
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#define DEVICE_2BUTTON (0x04) /* 2-button gamepad (not supported) */
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#define NO_DEVICE (0x0F) /* unconnected */
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/* Input bitmasks */
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#define INPUT_MODE (0x00000800)
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#define INPUT_Z (0x00000400)
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#define INPUT_Y (0x00000200)
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#define INPUT_X (0x00000100)
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#define INPUT_START (0x00000080)
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#define INPUT_C (0x00000040)
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#define INPUT_B (0x00000020)
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#define INPUT_A (0x00000010)
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#define INPUT_LEFT (0x00000008)
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#define INPUT_RIGHT (0x00000004)
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#define INPUT_DOWN (0x00000002)
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#define INPUT_UP (0x00000001)
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/* System bitmasks */
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#define SYSTEM_GAMEPAD (0) /* Single Gamepad */
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#define SYSTEM_TEAMPLAYER (1) /* Sega TeamPlayer (1~8 players) */
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#define SYSTEM_WAYPLAY (2) /* EA 4-Way Play (1~4 players) */
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#define SYSTEM_MENACER (3) /* SEGA Menacer Lightgun */
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#define NO_SYSTEM (4) /* Unconnected Port*/
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typedef struct
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{
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uint8 dev[MAX_DEVICES]; /* Can be any of the DEVICE_* values */
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uint32 pad[MAX_DEVICES]; /* Can be any of the INPUT_* bitmasks */
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uint8 system[2]; /* Can be any of the SYSTEM_* bitmasks (PORTA & PORTB) */
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uint8 max; /* maximum number of connected devices */
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} t_input;
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/* global variables */
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extern t_input input;
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extern uint8 j_cart;
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/* Function prototypes */
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extern void input_reset (int padtype);
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extern void input_update(void);
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extern void input_raz(void);
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extern void lightgun_set (void);
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extern uint8 lightgun_read (void);
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extern uint8 gamepad_read (uint8 i);
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extern void gamepad_write (uint8 i, uint8 data);
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extern uint8 multitap_read (uint8 port);
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extern void multitap_write (uint8 port, uint8 data);
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#endif
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