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coco: fix disabling of joysticks (MT #7475) (#8099)

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tim lindner 2021-05-26 04:26:12 -07:00 committed by GitHub
parent e43e9b68f6
commit 5a33c5eb6d
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2 changed files with 62 additions and 6 deletions
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3
src/mame/includes/coco.h
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@ -197,7 +197,8 @@ protected:
soundmux_status_t soundmux_status(void);
void update_sound(void);
void poll_joystick(bool *joyin, uint8_t *buttons);
bool poll_joystick(void);
uint8_t poll_joystick_buttons(void);
void poll_keyboard(void);
void poll_hires_joystick(void);
void update_cassout(int cassout);

65
src/mame/machine/coco.cpp
View file

@ -661,7 +661,7 @@ bool coco_state::is_joystick_hires(int joystick_index)
// poll_joystick
//-------------------------------------------------
void coco_state::poll_joystick(bool *joyin, uint8_t *buttons)
bool coco_state::poll_joystick(void)
{
static const analog_input_t s_empty = {};
static const int joy_rat_table[] = {15, 24, 42, 33 };
@ -712,11 +712,65 @@ void coco_state::poll_joystick(bool *joyin, uint8_t *buttons)
break;
}
*joyin = joyin_value;
*buttons = analog->buttons();
return joyin_value;
}
//-------------------------------------------------
// poll_joystick_buttons
//-------------------------------------------------
uint8_t coco_state::poll_joystick_buttons(void)
{
static const analog_input_t s_empty = {};
const analog_input_t *analog;
uint8_t joy0, joy1;
switch(joystick_type(0))
{
case JOYSTICK_NORMAL:
analog = &m_joystick;
break;
case JOYSTICK_RAT_MOUSE:
analog = &m_rat_mouse;
break;
case JOYSTICK_DIECOM_LIGHT_GUN:
analog = &m_diecom_lightgun;
break;
default: /* None */
analog = &s_empty;
break;
}
joy0 = analog->buttons();
switch(joystick_type(1))
{
case JOYSTICK_NORMAL:
analog = &m_joystick;
break;
case JOYSTICK_RAT_MOUSE:
analog = &m_rat_mouse;
break;
case JOYSTICK_DIECOM_LIGHT_GUN:
analog = &m_diecom_lightgun;
break;
default: /* None */
analog = &s_empty;
break;
}
joy1 = analog->buttons();
return joy0 | joy1;
}
//-------------------------------------------------
// poll_keyboard
@ -743,13 +797,14 @@ void coco_state::poll_keyboard(void)
/* poll the joystick (*/
bool joyin;
uint8_t buttons;
poll_joystick(&joyin, &buttons);
joyin = poll_joystick();
/* PA7 comes from JOYIN */
pia0_pa |= joyin ? 0x80 : 0x00;
/* mask out the buttons */
uint8_t buttons;
buttons = poll_joystick_buttons();
pia0_pa &= ~buttons;
/* and write the result to PIA0 */