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PS2 wheel improvements + winnt fix (#680)

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pixelsuft‮ 2022-06-14 08:03:55 +07:00 committed by GitHub
parent facbebc49d
commit 6b376fc50d
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 50 additions and 33 deletions
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83
src/ps2.js
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@ -67,11 +67,14 @@ function PS2(cpu, bus)
this.sample_rate = 100;
/** @type {number} */
this.intellimouse_activation_counter = 0;
this.mouse_detect_state = 0;
/** @type {number} */
this.mouse_id = 0x00;
/** @type {boolean} */
this.mouse_reset_workaround = false;
/** @type {number} */
this.wheel_movement = 0;
@ -165,7 +168,8 @@ PS2.prototype.get_state = function()
state[23] = this.controller_output_port;
state[24] = this.read_controller_output_port;
state[25] = this.mouse_id;
state[26] = this.intellimouse_activation_counter;
state[26] = this.mouse_detect_state;
state[27] = this.mouse_reset_workaround;
return state;
};
@ -198,7 +202,8 @@ PS2.prototype.set_state = function(state)
this.controller_output_port = state[23];
this.read_controller_output_port = state[24];
this.mouse_id = state[25] || 0;
this.intellimouse_activation_counter = state[26] || 0;
this.mouse_detect_state = state[26] || 0;
this.mouse_reset_workaround = state[27] || false;
this.next_byte_is_ready = false;
this.next_byte_is_aux = false;
@ -352,13 +357,13 @@ PS2.prototype.send_mouse_packet = function(dx, dy)
this.mouse_buffer.push(
0 << 5 | // TODO: 5th button
0 << 4 | // TODO: 4th button
this.wheel_movement & 0xF
this.wheel_movement & 0x0F
);
this.wheel_movement = 0;
}
else if(this.mouse_id === 0x03)
{
this.mouse_buffer.push(this.wheel_movement); // Byte 4 - Z Movement
this.mouse_buffer.push(this.wheel_movement & 0xFF); // Byte 4 - Z Movement
this.wheel_movement = 0;
}
@ -477,36 +482,51 @@ PS2.prototype.port60_write = function(write_byte)
this.mouse_buffer.push(0xFA);
this.sample_rate = write_byte;
if(this.mouse_id === 0x03)
switch(this.mouse_detect_state)
{
if(this.intellimouse_activation_counter === 0 && this.sample_rate === 200) this.intellimouse_activation_counter = 1;
else if(this.intellimouse_activation_counter === 1 && this.sample_rate === 200) this.intellimouse_activation_counter = 2;
else if(this.intellimouse_activation_counter === 2 && this.sample_rate === 80) {
// Host sends sample rate 200->200->80 to activate Intellimouse 4th, 5th buttons
this.intellimouse_activation_counter = 0;
this.mouse_id = 0x04;
}
else this.intellimouse_activation_counter = 0;
}
else if(this.mouse_id === 0x00)
{
if(this.intellimouse_activation_counter === 0 && this.sample_rate === 200)
this.intellimouse_activation_counter = 1;
else if(this.intellimouse_activation_counter === 1 && this.sample_rate === 100)
this.intellimouse_activation_counter = 2;
else if(this.intellimouse_activation_counter === 2 && this.sample_rate === 80) {
case -1:
if(write_byte === 60)
{
// Detect Windows NT and turn on workaround the bug
// 200->100->80->60
this.mouse_reset_workaround = true;
this.mouse_detect_state = 0;
}
else
{
this.mouse_reset_workaround = false;
this.mouse_detect_state = (write_byte === 200) ? 1 : 0;
}
break;
case 0:
if(write_byte === 200) this.mouse_detect_state = 1;
break;
case 1:
if(write_byte === 100) this.mouse_detect_state = 2;
else if(write_byte === 200) this.mouse_detect_state = 3;
else this.mouse_detect_state = 0;
break;
case 2:
// Host sends sample rate 200->100->80 to activate Intellimouse wheel
this.intellimouse_activation_counter = 0;
this.mouse_id = 0x03;
}
else this.intellimouse_activation_counter = 0;
if(write_byte === 80) this.mouse_id = 0x03;
this.mouse_detect_state = -1;
break;
case 3:
// Host sends sample rate 200->200->80 to activate Intellimouse 4th, 5th buttons
if(write_byte === 80) this.mouse_id = 0x04;
this.mouse_detect_state = -1;
break;
}
dbg_log("mouse sample rate: " + h(write_byte) + ", mouse id: " + h(this.mouse_id), LOG_PS2);
if(!this.sample_rate)
{
dbg_log("invalid sample rate, reset to 100", LOG_PS2);
this.sample_rate = 100;
}
this.mouse_irq();
}
else if(this.next_read_resolution)
@ -601,7 +621,6 @@ PS2.prototype.port60_write = function(write_byte)
// MouseID Byte
dbg_log("required id: " + h(this.mouse_id), LOG_PS2);
this.mouse_buffer.push(this.mouse_id);
// this.mouse_buffer.push(this.mouse_id);
this.mouse_clicks = this.mouse_delta_x = this.mouse_delta_y = 0;
// this.send_mouse_packet(0, 0);
@ -629,9 +648,6 @@ PS2.prototype.port60_write = function(write_byte)
this.sample_rate = 100;
this.scaling2 = false;
this.resolution = 4;
this.intellimouse_activation_counter = 0;
this.mouse_id = 0x00;
this.wheel_movement = 0;
break;
case 0xFF:
// reset, send completion code
@ -647,9 +663,10 @@ PS2.prototype.port60_write = function(write_byte)
this.scaling2 = false;
this.resolution = 4;
this.intellimouse_activation_counter = 0;
this.mouse_id = 0x00;
this.wheel_movement = 0;
if(!this.mouse_reset_workaround)
{
this.mouse_id = 0x00;
}
this.mouse_clicks = this.mouse_delta_x = this.mouse_delta_y = 0;
break;