dc46480aa4
Added experimental NVidia Riva TNT2 emulation (patch from MoochMcGee); ASUS P/I-P54TP4XE, ASUS P/I-P55T2P4, and ASUS P/I-P55TVP4 are back; National Semiconductor PC87306 Super I/O chip now correctly reenables devices after a chip power cycle; Several FDC improvements and the behavior is now a bit closer to real hardware (based on actual tests); Added MR Intel Advanced/ATX with Microid Research BIOS with support for 4 floppy drives and up to 4 IDE controllers; Added floppy drives 3 and 4, bringing the maximum to 4; You can now connect hard disks to the tertiary IDE controller; Correct undocumented behavior of the LEA instruction with register is back on 286 and later CPU's; Pentium-rea models with Intel chipsets now have port 92 (with alternate reset and alternate A20 toggle); Overhauled DMA channel read and write routines and fixed cascading; Improved IMG detection of a bad BPB (or complete lack of a BPB); Added preliminary emulation of PS/2 1.44 MB and PC-98 1.25 MB 3-mode drives (both have an inverted DENSEL pin); Removed the incorrect Amstrad mouse patch from TheCollector1995; Fixed ATAPI CD-ROM disk change detection; Windows IOCTL CD-ROM handler now tries to use direct SCSI passthrough for more things, including obtaining CD-ROM capacity; The Diamond Stealth32 (ET4000/W32p) now also works correctly on the two Award SiS 496/497 boxes; The (S)VGA handler now converts 6-bit RAMDAC RGB channels to standard 8-bit RGB using a lookup table generated at emulator start, calculated using the correct intensity conversion method and treating intensity 64 as equivalent to 63; Moved a few options from the Configuration dialog box to the menu; SIO, PIIX, and PIIX3 now have the reset control register on port CF9 as they should; Several bugfixes.
253 lines
7.9 KiB
C
253 lines
7.9 KiB
C
#include "ibm.h"
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#include "keyboard_at.h"
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#include "mouse.h"
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#include "mouse_ps2.h"
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#include "plat-mouse.h"
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int mouse_scan = 0;
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enum
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{
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MOUSE_STREAM,
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MOUSE_REMOTE,
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MOUSE_ECHO
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};
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#define MOUSE_ENABLE 0x20
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#define MOUSE_SCALE 0x10
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typedef struct mouse_ps2_t
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{
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int mode;
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uint8_t flags;
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uint8_t resolution;
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uint8_t sample_rate;
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uint8_t command;
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int cd;
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int x, y, z, b;
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int is_intellimouse;
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int intellimouse_mode;
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uint8_t last_data[6];
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} mouse_ps2_t;
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void mouse_ps2_write(uint8_t val, void *p)
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{
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mouse_ps2_t *mouse = (mouse_ps2_t *)p;
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if (mouse->cd)
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{
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mouse->cd = 0;
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switch (mouse->command)
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{
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case 0xe8: /*Set mouse resolution*/
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mouse->resolution = val;
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keyboard_at_adddata_mouse(0xfa);
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break;
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case 0xf3: /*Set sample rate*/
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mouse->sample_rate = val;
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keyboard_at_adddata_mouse(0xfa);
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break;
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// default:
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// fatal("mouse_ps2 : Bad data write %02X for command %02X\n", val, mouse->command);
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}
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}
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else
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{
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uint8_t temp;
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mouse->command = val;
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switch (mouse->command)
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{
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case 0xe6: /*Set scaling to 1:1*/
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mouse->flags &= ~MOUSE_SCALE;
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keyboard_at_adddata_mouse(0xfa);
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break;
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case 0xe7: /*Set scaling to 2:1*/
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mouse->flags |= MOUSE_SCALE;
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keyboard_at_adddata_mouse(0xfa);
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break;
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case 0xe8: /*Set mouse resolution*/
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mouse->cd = 1;
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keyboard_at_adddata_mouse(0xfa);
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break;
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case 0xe9: /*Status request*/
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keyboard_at_adddata_mouse(0xfa);
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temp = mouse->flags;
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if (mouse_buttons & 1)
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temp |= 1;
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if (mouse_buttons & 2)
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temp |= 2;
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if (mouse_buttons & 4)
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temp |= 3;
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keyboard_at_adddata_mouse(temp);
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keyboard_at_adddata_mouse(mouse->resolution);
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keyboard_at_adddata_mouse(mouse->sample_rate);
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break;
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case 0xf2: /*Read ID*/
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keyboard_at_adddata_mouse(0xfa);
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if (mouse->intellimouse_mode)
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keyboard_at_adddata_mouse(0x03);
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else
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keyboard_at_adddata_mouse(0x00);
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break;
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case 0xf3: /*Set sample rate*/
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mouse->cd = 1;
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keyboard_at_adddata_mouse(0xfa);
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break;
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case 0xf4: /*Enable*/
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mouse->flags |= MOUSE_ENABLE;
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keyboard_at_adddata_mouse(0xfa);
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break;
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case 0xf5: /*Disable*/
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mouse->flags &= ~MOUSE_ENABLE;
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keyboard_at_adddata_mouse(0xfa);
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break;
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case 0xff: /*Reset*/
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mouse->mode = MOUSE_STREAM;
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mouse->flags = 0;
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mouse->intellimouse_mode = 0;
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keyboard_at_adddata_mouse(0xfa);
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keyboard_at_adddata_mouse(0xaa);
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keyboard_at_adddata_mouse(0x00);
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break;
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// default:
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// fatal("mouse_ps2 : Bad command %02X\n", val, mouse->command);
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}
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}
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if (mouse->is_intellimouse)
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{
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int c;
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for (c = 0; c < 5; c++)
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mouse->last_data[c] = mouse->last_data[c+1];
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mouse->last_data[5] = val;
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if (mouse->last_data[0] == 0xf3 && mouse->last_data[1] == 0xc8 &&
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mouse->last_data[2] == 0xf3 && mouse->last_data[3] == 0x64 &&
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mouse->last_data[4] == 0xf3 && mouse->last_data[5] == 0x50)
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mouse->intellimouse_mode = 1;
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}
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}
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void mouse_ps2_poll(int x, int y, int z, int b, void *p)
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{
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mouse_ps2_t *mouse = (mouse_ps2_t *)p;
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uint8_t packet[3] = {0x08, 0, 0};
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if (!x && !y && !z && b == mouse->b)
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return;
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if (!mouse_scan)
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return;
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mouse->x += x;
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mouse->y -= y;
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mouse->z -= z;
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if (mouse->mode == MOUSE_STREAM && (mouse->flags & MOUSE_ENABLE) &&
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((mouse_queue_end - mouse_queue_start) & 0xf) < 13)
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{
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mouse->b = b;
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// pclog("Send packet : %i %i\n", ps2_x, ps2_y);
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if (mouse->x > 255)
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mouse->x = 255;
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if (mouse->x < -256)
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mouse->x = -256;
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if (mouse->y > 255)
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mouse->y = 255;
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if (mouse->y < -256)
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mouse->y = -256;
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if (mouse->z < -8)
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mouse->z = -8;
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if (mouse->z > 7)
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mouse->z = 7;
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if (mouse->x < 0)
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packet[0] |= 0x10;
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if (mouse->y < 0)
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packet[0] |= 0x20;
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if (mouse_buttons & 1)
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packet[0] |= 1;
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if (mouse_buttons & 2)
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packet[0] |= 2;
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if ((mouse_buttons & 4) && (mouse_get_type(mouse_type) & MOUSE_TYPE_3BUTTON))
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packet[0] |= 4;
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packet[1] = mouse->x & 0xff;
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packet[2] = mouse->y & 0xff;
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keyboard_at_adddata_mouse(packet[0]);
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keyboard_at_adddata_mouse(packet[1]);
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keyboard_at_adddata_mouse(packet[2]);
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if (mouse->intellimouse_mode)
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keyboard_at_adddata_mouse(mouse->z);
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mouse->x = mouse->y = mouse->z = 0;
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}
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}
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void *mouse_ps2_init()
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{
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mouse_ps2_t *mouse = (mouse_ps2_t *)malloc(sizeof(mouse_ps2_t));
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memset(mouse, 0, sizeof(mouse_ps2_t));
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// mouse_poll = mouse_ps2_poll;
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// mouse_write = mouse_ps2_write;
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mouse->cd = 0;
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mouse->flags = 0;
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mouse->mode = MOUSE_STREAM;
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keyboard_at_set_mouse(mouse_ps2_write, mouse);
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return mouse;
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}
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void *mouse_intellimouse_init()
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{
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mouse_ps2_t *mouse = mouse_ps2_init();
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mouse->is_intellimouse = 1;
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return mouse;
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}
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void mouse_ps2_close(void *p)
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{
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mouse_ps2_t *mouse = (mouse_ps2_t *)p;
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free(mouse);
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}
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mouse_t mouse_ps2_2_button =
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{
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"2-button mouse (PS/2)",
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mouse_ps2_init,
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mouse_ps2_close,
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mouse_ps2_poll,
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MOUSE_TYPE_PS2
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};
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mouse_t mouse_intellimouse =
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{
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"Microsoft Intellimouse (PS/2)",
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mouse_intellimouse_init,
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mouse_ps2_close,
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mouse_ps2_poll,
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MOUSE_TYPE_PS2 | MOUSE_TYPE_3BUTTON
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};
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