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Initial submission of the PCem-Experimental source code.

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OBattler
2016-06-26 00:34:39 +02:00
parent 09d7c4384f
commit fd2a5bc9f5
610 changed files with 184352 additions and 0 deletions
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189
src/mouse_ps2.c Normal file
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#include "ibm.h"
#include "keyboard_at.h"
#include "mouse.h"
#include "mouse_ps2.h"
#include "plat-mouse.h"
int mouse_scan = 0;
enum
{
MOUSE_STREAM,
MOUSE_REMOTE,
MOUSE_ECHO
};
#define MOUSE_ENABLE 0x20
#define MOUSE_SCALE 0x10
static struct
{
int mode;
uint8_t flags;
uint8_t resolution;
uint8_t sample_rate;
uint8_t type;
uint8_t command;
int cd;
} mouse_ps2;
void mouse_ps2_write(uint8_t val)
{
// pclog("PS/2 Mouse: Write %02X\n", val);
if (mouse_ps2.cd)
{
mouse_ps2.cd = 0;
switch (mouse_ps2.command)
{
case 0xe8: /*Set mouse resolution*/
mouse_ps2.resolution = val;
keyboard_at_adddata_mouse(0xfa);
break;
case 0xf3: /*Set sample rate*/
mouse_ps2.sample_rate = val;
keyboard_at_adddata_mouse(0xfa);
break;
// default:
// fatal("mouse_ps2 : Bad data write %02X for command %02X\n", val, mouse_ps2.command);
}
}
else
{
uint8_t temp;
mouse_ps2.command = val;
switch (mouse_ps2.command)
{
case 0xe6: /*Set scaling to 1:1*/
mouse_ps2.flags &= ~MOUSE_SCALE;
keyboard_at_adddata_mouse(0xfa);
break;
case 0xe7: /*Set scaling to 2:1*/
mouse_ps2.flags |= MOUSE_SCALE;
keyboard_at_adddata_mouse(0xfa);
break;
case 0xe8: /*Set mouse resolution*/
mouse_ps2.cd = 1;
keyboard_at_adddata_mouse(0xfa);
break;
case 0xe9: /*Status request*/
keyboard_at_adddata_mouse(0xfa);
temp = mouse_ps2.flags;
if (mouse_buttons & 1)
temp |= 1;
if (mouse_buttons & 2)
temp |= 2;
if (mouse_buttons & 4)
temp |= 3;
keyboard_at_adddata_mouse(temp);
keyboard_at_adddata_mouse(mouse_ps2.resolution);
keyboard_at_adddata_mouse(mouse_ps2.sample_rate);
break;
case 0xf2: /*Read ID*/
keyboard_at_adddata_mouse(0xfa);
keyboard_at_adddata_mouse(0x00);
break;
case 0xf3: /*Set sample rate*/
mouse_ps2.cd = 1;
keyboard_at_adddata_mouse(0xfa);
break;
case 0xf4: /*Enable*/
mouse_ps2.flags |= MOUSE_ENABLE;
keyboard_at_adddata_mouse(0xfa);
break;
case 0xf5: /*Disable*/
mouse_ps2.flags &= ~MOUSE_ENABLE;
keyboard_at_adddata_mouse(0xfa);
break;
case 0xff: /*Reset*/
mouse_ps2.mode = MOUSE_STREAM;
mouse_ps2.flags = 0;
keyboard_at_adddata_mouse(0xfa);
keyboard_at_adddata_mouse(0xaa);
keyboard_at_adddata_mouse(0x00);
break;
// default:
// fatal("mouse_ps2 : Bad command %02X\n", val, mouse_ps2.command);
}
}
}
static int ps2_x = 0, ps2_y = 0, ps2_b = 0;
int first_time = 1;
void mouse_ps2_poll(int x, int y, int b)
{
uint8_t packet[3] = {0x08, 0, 0};
if (!x && !y && b == ps2_b && !first_time){
// pclog("PS/2 Mouse: X is 0, Y is 0, and B is PS2_B\n");
return;
}
if (first_time) first_time = 0;
if (!mouse_scan)
{
// pclog("PS/2 Mouse: Not scanning\n");
return;
}
ps2_x += x;
ps2_y -= y;
if (mouse_ps2.mode == MOUSE_STREAM && (mouse_ps2.flags & MOUSE_ENABLE) &&
((mouse_queue_end - mouse_queue_start) & 0xf) < 13)
{
ps2_b = b;
// pclog("Send packet : %i %i\n", ps2_x, ps2_y);
if (ps2_x > 255)
ps2_x = 255;
if (ps2_x < -256)
ps2_x = -256;
if (ps2_y > 255)
ps2_y = 255;
if (ps2_y < -256)
ps2_y = -256;
if (ps2_x < 0)
packet[0] |= 0x10;
if (ps2_y < 0)
packet[0] |= 0x20;
if (mouse_buttons & 1)
packet[0] |= 1;
if (mouse_buttons & 2)
packet[0] |= 2;
if (mouse_buttons & 4)
packet[0] |= 4;
packet[1] = ps2_x & 0xff;
packet[2] = ps2_y & 0xff;
ps2_x = ps2_y = 0;
keyboard_at_adddata_mouse(packet[0]);
keyboard_at_adddata_mouse(packet[1]);
keyboard_at_adddata_mouse(packet[2]);
}
// pclog("PS/2 Mouse: Poll\n");
}
void mouse_ps2_init()
{
mouse_poll = mouse_ps2_poll;
mouse_write = mouse_ps2_write;
mouse_ps2.cd = 0;
mouse_ps2.flags = 0;
mouse_ps2.mode = MOUSE_STREAM;
}