repo2/firmware/a800/joystick.c @ 455
| 46 | markw | #include "joystick.h"
|
|
#include "regs.h"
|
|||
| 262 | markw | //#include "io.h"
|
|
| 46 | markw | ||
| 102 | markw | //#include <stdio.h>
|
|
| 275 | markw | #ifdef USB
|
|
#include "usb.h"
|
|||
#endif
|
|||
#ifdef USB
|
|||
extern struct usb_host usb_porta;
|
|||
#endif
|
|||
#ifdef USB2
|
|||
extern struct usb_host usb_portb;
|
|||
#endif
|
|||
| 46 | markw | void joystick_poll(struct joystick_status * status)
|
|
{
|
|||
status->x_ = 0;
|
|||
status->y_ = 0;
|
|||
status->fire_ = 0;
|
|||
| 262 | markw | status->escape_ = 0;
|
|
| 46 | markw | ||
| 275 | markw | #ifdef USB
|
|
usb_poll(&usb_porta);
|
|||
#endif
|
|||
#ifdef USB2
|
|||
usb_poll(&usb_portb);
|
|||
#endif
|
|||
| 46 | markw | unsigned char porta = *atari_porta;
|
|
| 378 | markw | porta = (porta>>4) & (porta);
|
|
| 102 | markw | ||
| 262 | markw | int controls = get_controls();
|
|
| 102 | markw | status->y_ = !(porta&0x2) -((unsigned int)!(porta&0x1));
|
|
status->x_ = !(porta&0x8) -((unsigned int)!(porta&0x4));
|
|||
| 378 | markw | status->fire_ = !(1&*atari_trig0&*atari_trig1);
|
|
| 102 | markw | ||
| 262 | markw | if (controls!=0)
|
|
{
|
|||
status->y_ = !!(controls&0x2) -((unsigned int)!!(controls&0x1));
|
|||
status->x_ = !!(controls&0x8) -((unsigned int)!!(controls&0x4));
|
|||
status->fire_ = !!(controls&0x10);
|
|||
status->escape_ = !!(controls&0x20);
|
|||
}
|
|||
| 102 | markw | //if (porta != 0xff)
|
|
//printf("%02x %x %x %x\n",porta,status->x_,status->y_,status->fire_);
|
|||
/*
|
|||
| 46 | markw | if (0==(porta&0x2)) // down
|
|
{
|
|||
status->y_ =1;
|
|||
}
|
|||
else if (0==(porta&0x1)) // up
|
|||
{
|
|||
status->y_ =-1;
|
|||
}
|
|||
if (0==(porta&0x8)) // right
|
|||
{
|
|||
status->x_ = 1;
|
|||
}
|
|||
else if (0==(porta&0x4)) // left
|
|||
{
|
|||
status->x_ = -1;
|
|||
}
|
|||
if (0==(1&*atari_trig0)) // fire
|
|||
{
|
|||
status->fire_ = 1;
|
|||
}
|
|||
| 102 | markw | */
|
|
| 46 | markw | }
|
|
void joystick_wait(struct joystick_status * status, enum JoyWait waitFor)
|
|||
{
|
|||
while (1)
|
|||
{
|
|||
joystick_poll(status);
|
|||
switch (waitFor)
|
|||
{
|
|||
case WAIT_QUIET:
|
|||
if (status->x_ == 0 && status->y_ == 0 && status->fire_ == 0) return;
|
|||
break;
|
|||
case WAIT_FIRE:
|
|||
| 262 | markw | if (status->fire_ == 1 || status->escape_==1) return;
|
|
| 46 | markw | break;
|
|
case WAIT_EITHER:
|
|||
if (status->fire_ == 1) return;
|
|||
// fall through
|
|||
case WAIT_MOVE:
|
|||
| 262 | markw | if (status->x_ !=0 || status->y_ != 0 || status->escape_==1) return;
|
|
| 46 | markw | break;
|
|
}
|
|||
}
|
|||
}
|