Add our doscmd to the tree. This is a result of work from BSDI, and

a group of dos emulator developers.
Submitted by:	Jonathan Lemon <jlemon@americantv.com>
Obtained from:	BSDI

1 files changed, 300 insertions, 0 deletions

diff --git a/usr.bin/doscmd/mouse.c b/usr.bin/doscmd/mouse.c
new file mode 100644
index 0000000..8593667
--- /dev/null
+++ b/usr.bin/doscmd/mouse.c
@@ -0,0 +1,300 @@
+/*
+ * 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
+ *
+ * $Id: mouse.c,v 1.3 1996/09/22 15:42:58 miff Exp $
+ */
+
+#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;
+}