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PDP1: USB game controllers for Spacewar.

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This commit is contained in:
Lars Brinkhoff
2020-02-11 10:33:51 +01:00
parent 750b8f40cb
commit 4eaf4f1bdc
1 changed files with 33 additions and 1 deletions
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34
PDP1/pdp1_dpy.c
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@@ -153,14 +153,46 @@ t_stat dpy_svc (UNIT *uptr)
return SCPE_OK;
}
static void dpy_joy_motion (int device, int axis, int value)
{
if (device < 2 && axis < 1) {
int mask = 0;
int shift = 14 * device;
if (value < -10000)
mask = 010;
else if (value > 1000)
mask = 004;
spacewar_switches &= ~(014 << shift);
spacewar_switches |= mask << shift;
}
}
static void dpy_joy_button (int device, int button, int state)
{
if (device < 2 && button < 2) {
/* Button 0 is fire, 1 is thrust. */
int mask = 1 << button;
mask <<= 14 * device;
if (state)
spacewar_switches |= mask;
else
spacewar_switches &= ~mask;
}
}
/* Reset routine */
t_stat dpy_reset (DEVICE *dptr)
{
if (!(dptr->flags & DEV_DIS)) {
if (dptr->flags & DEV_DIS) {
display_close(dptr);
}
else {
display_init(DISPLAY_TYPE, PIX_SCALE, dptr);
display_reset();
vid_register_quit_callback (&dpy_quit_callback);
vid_register_gamepad_motion_callback (dpy_joy_motion);
vid_register_gamepad_button_callback (dpy_joy_button);
cpls = cpls & ~CPLS_DPY;
iosta = iosta & ~(IOS_PNT | IOS_SPC); /* clear flags */
}