/* * Copyright (c) 1992, 1993, 1996 * Berkeley Software Design, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Berkeley Software * Design, Inc. * * THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * BSDI int33.c,v 2.2 1996/04/08 19:32:54 bostic Exp * * $FreeBSD$ */ #include "doscmd.h" #include "mouse.h" mouse_t mouse_status; u_char *mouse_area = 0; int nmice = 0; static void mouse_probe(void) { } void int33(regcontext_t *REGS) { u_long vec; u_short mask; void *addr; int i; if (!nmice) { R_FLAGS |= PSL_C; /* We don't support a mouse */ return; } printf("Mouse: %02x\n", R_AX); switch (R_AX) { case 0x00: /* Reset Mouse */ printf("Installing mouse driver\n"); R_AX = 0xffff; /* Mouse installed */ R_BX = 2; /* Number of mouse buttons */ memset(&mouse_status, 0, sizeof(mouse_status)); mouse_status.installed = 1; mouse_status.hardcursor = 1; mouse_status.end = 16; mouse_status.hmickey = 8; mouse_status.vmickey = 16; mouse_status.doubling = 100; mouse_status.init = -1; mouse_status.range.w = 8 * 80; mouse_status.range.h = 16 * 25; break; case 0x01: /* Display Mouse Cursor */ if ((mouse_status.init += 1) == 0) { mouse_status.show = 1; } break; case 0x02: /* Hide Mouse Cursor */ if (mouse_status.init == 0) mouse_status.show = 0; mouse_status.init -= 1; break; case 0x03: /* Get cursor position/button status */ mouse_probe(); R_CX = mouse_status.x; R_DX = mouse_status.y; R_BX = mouse_status.buttons; break; case 0x04: /* Move mouse cursor */ /* mouse_move(GET16(sc->sc_ecx), GET16(sc->sc_edx)); */ break; case 0x05: /* Determine number of times mouse button was active */ i = R_BX & 3; if (i == 3) i = 1; R_BX = mouse_status.downs[i]; mouse_status.downs[i] = 0; R_AX = mouse_status.buttons; R_CX = mouse_status.x; /* Not quite right */ R_DX = mouse_status.y; /* Not quite right */ break; case 0x06: /* Determine number of times mouse button was relsd */ i = R_DX & 3; if (i == 3) i = 1; R_BX = mouse_status.ups[i]; mouse_status.ups[i] = 0; R_AX = mouse_status.buttons; R_CX = mouse_status.x; /* Not quite right */ R_DX = mouse_status.y; /* Not quite right */ break; case 0x07: /* Set min/max horizontal cursor position */ mouse_status.range.x = R_CX; mouse_status.range.w = R_DX - R_CX; break; case 0x08: /* Set min/max vertical cursor position */ mouse_status.range.y = R_CX; mouse_status.range.h = R_DX - R_CX; case 0x09: /* Set graphics cursor block */ /* BX,CX is hot spot, ES:DX is data. */ break; case 0x0a: /* Set Text Cursor */ mouse_status.hardcursor = R_BX ? 1 : 0; mouse_status.start = R_CX; mouse_status.end = R_CX; /* XXX is this right ? */ break; case 0x0b: /* Read Mouse Motion Counters */ mouse_probe(); R_CX = mouse_status.x - mouse_status.lastx; R_DX = mouse_status.y - mouse_status.lasty; mouse_status.lastx - mouse_status.x; mouse_status.lasty - mouse_status.y; break; case 0x0c: /* Set event handler */ mouse_status.mask = R_CX; mouse_status.handler = N_GETVEC(R_ES, R_DX); break; case 0x0d: /* Enable light pen */ case 0x0e: /* Disable light pen */ break; case 0x0f: /* Set cursor speed */ mouse_status.hmickey = R_CX; mouse_status.vmickey = R_DX; break; case 0x10: /* Exclusive area */ mouse_status.exclude.x = R_CX; mouse_status.exclude.y = R_DX; mouse_status.exclude.w = R_SI - R_CX; mouse_status.exclude.h = R_DI - R_DX; break; case 0x13: /* Set maximum for mouse speed doubling */ break; case 0x14: /* Exchange event handlers */ mask = mouse_status.mask; vec = mouse_status.handler; mouse_status.mask = R_CX; mouse_status.handler = GETVEC(R_ES, R_DX); R_CX = mask; N_PUTVEC(R_ES, R_DX, vec); break; case 0x15: /* Determine mouse status buffer size */ R_BX = sizeof(mouse_status); break; case 0x16: /* Store mouse buffer */ memcpy((char *)N_GETPTR(R_ES, R_DX), &mouse_status, sizeof(mouse_status)); break; case 0x17: /* Restore mouse buffer */ memcpy(&mouse_status, (char *)N_GETPTR(R_ES, R_DX), sizeof(mouse_status)); break; case 0x18: /* Install alternate handler */ mask = R_CX & 0xff; if ((R_CX & 0xe0) == 0x00 || mask == mouse_status.altmask[0] || mask == mouse_status.altmask[1] || mask == mouse_status.altmask[2] || (mouse_status.altmask[i = 0] && mouse_status.altmask[i = 1] && mouse_status.altmask[i = 2])) { R_AX = 0xffff; break; } mouse_status.altmask[i] = R_CX; mouse_status.althandler[i] = N_GETVEC(R_ES, R_DX); break; case 0x19: /* Determine address of alternate event handler */ mask = R_CX & 0xff; if (mask == mouse_status.altmask[0]) vec = mouse_status.althandler[0]; else if (mask == mouse_status.altmask[1]) vec = mouse_status.althandler[1]; else if (mask == mouse_status.altmask[2]) vec = mouse_status.althandler[2]; else R_CX = 0; N_PUTVEC(R_ES, R_DX, vec); break; case 0x1a: /* set mouse sensitivity */ mouse_status.hmickey = R_BX; mouse_status.vmickey = R_CX; mouse_status.doubling = R_DX; break; case 0x1b: /* set mouse sensitivity */ R_BX = mouse_status.hmickey; R_CX = mouse_status.vmickey; R_DX = mouse_status.doubling; break; case 0x1c: /* set mouse hardware rate */ case 0x1d: /* set display page */ break; case 0x1e: /* get display page */ R_BX = 0; /* Always on display page 0 */ break; case 0x1f: /* Disable mouse driver */ if (mouse_status.installed) { N_PUTVEC(R_ES, R_DX, mouse_status.handler); mouse_status.installed = 0; } else { R_AX = 0xffff; } break; case 0x20: /* Enable mouse driver */ mouse_status.installed = 1; break; case 0x21: /* Reset mouse driver */ if (mouse_status.installed) { mouse_status.show = 0; mouse_status.handler = 0; mouse_status.mask = 0; mouse_status.cursor = 0; } else { R_AX = 0xffff; } break; case 0x22: /* Specified language for mouse messages */ break; case 0x23: /* Get language number */ R_BX = 0; /* Always return english */ break; case 0x24: /* Get mouse type */ R_CX = 0x0400; /* PS/2 style mouse */ R_BX = 0x0600 + 24; /* Version 6.24 */ break; default: R_FLAGS |= PSL_C; break; } } void mouse_init(void) { u_long vec; vec = insert_softint_trampoline(); ivec[0x33] = vec; register_callback(vec, int33, "int 33"); mouse_area[1] = 24; }