mirror of
https://github.com/0ldsk00l/smsplus.git
synced 2025-04-02 10:32:07 -04:00
136 lines
4 KiB
C
136 lines
4 KiB
C
/*
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input.c --
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DOS input management.
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To do:
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- Mouse is assigned to player #1 inputs.
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*/
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#include "osd.h"
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/* Check if a key is pressed */
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int check_key(int code)
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{
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static int lastbuf[0x100] = {0};
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if(!key[code] && lastbuf[code] == 1)
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lastbuf[code] = 0;
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if(key[code] && lastbuf[code] == 0)
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{
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lastbuf[code] = 1;
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return 1;
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}
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return 0;
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}
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void osd_update_inputs(void)
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{
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/* Reset input states */
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input.system = 0;
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input.pad[0] = 0;
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input.pad[1] = 0;
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input.analog[0] = 0x7F;
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input.analog[1] = 0x7F;
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/* Alt+W : Dump work RAM */
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if((key[KEY_ALT] || key[KEY_ALTGR]) && check_key(KEY_W))
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dump_wram();
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/* Alt+V : Dump video RAM */
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if((key[KEY_ALT] || key[KEY_ALTGR]) && check_key(KEY_V))
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dump_vram();
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/* DEL : User-requested hard reset */
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if(check_key(KEY_DEL))
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system_reset();
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/* ENTER | SPACE : SMS PAUSE or GG START button */
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if(key[KEY_ENTER] || key[KEY_SPACE])
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input.system |= (IS_GG) ? INPUT_START : INPUT_PAUSE;
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/* Player #1 inputs */
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if(key[KEY_UP]) input.pad[0] |= INPUT_UP;
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else
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if(key[KEY_DOWN]) input.pad[0] |= INPUT_DOWN;
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if(key[KEY_LEFT]) input.pad[0] |= INPUT_LEFT;
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else
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if(key[KEY_RIGHT]) input.pad[0] |= INPUT_RIGHT;
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if(key[KEY_A]) input.pad[0] |= INPUT_BUTTON2;
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if(key[KEY_S]) input.pad[0] |= INPUT_BUTTON1;
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/* Player #2 inputs */
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if(key[KEY_8_PAD]) input.pad[1] |= INPUT_UP;
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else
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if(key[KEY_2_PAD]) input.pad[1] |= INPUT_DOWN;
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if(key[KEY_4_PAD]) input.pad[1] |= INPUT_LEFT;
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else
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if(key[KEY_6_PAD]) input.pad[1] |= INPUT_RIGHT;
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if(key[KEY_1_PAD]) input.pad[1] |= INPUT_BUTTON2;
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if(key[KEY_3_PAD]) input.pad[1] |= INPUT_BUTTON1;
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/* TAB : SMS RESET button */
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if(key[KEY_TAB])
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input.system |= INPUT_RESET;
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/* Check for any joysticks present */
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if(option.joy_driver != JOY_TYPE_NONE)
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{
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poll_joystick();
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/* Parse player 1 joystick state */
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if(joy[0].stick[0].axis[1].d1) input.pad[0] |= INPUT_UP;
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else
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if(joy[0].stick[0].axis[1].d2) input.pad[0] |= INPUT_DOWN;
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if(joy[0].stick[0].axis[0].d1) input.pad[0] |= INPUT_LEFT;
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else
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if(joy[0].stick[0].axis[0].d2) input.pad[0] |= INPUT_RIGHT;
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if(joy[0].button[0].b) input.pad[0] |= INPUT_BUTTON2;
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if(joy[0].button[1].b) input.pad[0] |= INPUT_BUTTON1;
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if(joy[0].button[2].b) input.system |= (IS_GG) ? INPUT_START : INPUT_PAUSE;
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/* Check if a 2nd joystick is present */
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if(num_joysticks > 2)
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{
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/* Parse player 2 joystick state */
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if(joy[1].stick[0].axis[1].d1) input.pad[1] |= INPUT_UP;
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else
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if(joy[1].stick[0].axis[1].d2) input.pad[1] |= INPUT_DOWN;
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if(joy[1].stick[0].axis[0].d1) input.pad[1] |= INPUT_LEFT;
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else
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if(joy[1].stick[0].axis[0].d1) input.pad[1] |= INPUT_RIGHT;
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if(joy[1].button[0].b) input.pad[1] |= INPUT_BUTTON2;
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if(joy[1].button[1].b) input.pad[1] |= INPUT_BUTTON1;
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}
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}
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/* Check if a mouse is present. */
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if(use_mouse)
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{
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int temp;
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/* Poll mouse if necessary */
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if(mouse_needs_poll() == TRUE)
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poll_mouse();
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/* Calculate X axis value */
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temp = mouse_x;
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if(temp > 0xFF) temp = 0xFF;
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if(temp < 0x00) temp = 0x00;
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input.analog[0] = temp;
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/* Calculate Y axis value */
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temp = mouse_y;
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if(temp > 0xFF) temp = 0xFF;
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if(temp < 0x00) temp = 0x00;
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input.analog[1] = temp;
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/* Map mouse buttons to player #1 inputs */
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if(mouse_b & 4) input.pad[0] |= (IS_GG) ? INPUT_START : INPUT_PAUSE;
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if(mouse_b & 2) input.pad[0] |= INPUT_BUTTON2;
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if(mouse_b & 1) input.pad[0] |= INPUT_BUTTON1;
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}
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}
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