adbsysasm.s revision 1.6 1 /* $NetBSD: adbsysasm.s,v 1.6 1997/11/07 07:38:12 scottr Exp $ */
2
3 /*-
4 * Copyright (C) 1994 Bradley A. Grantham
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Bradley A. Grantham.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*
34 * ADB subsystem routines in assembly
35 */
36
37 /* This routine is called when a device has sent us some data. */
38 /* (provided it has been set up with SetADBInfo) */
39 .global _adb_asmcomplete
40 .global _adb_complete
41 _adb_asmcomplete:
42 moveml #0xc0c0, sp@- | save scratch regs
43 movl d0, sp@- /* ADB command byte */
44 movl a2, sp@- /* data area pointer */
45 /* a1 is the pointer to this routine itself. */
46 movl a0, sp@- /* device data buffer */
47 jbsr _adb_complete
48 addl #12, sp /* pop params */
49 moveml sp@+, #0x0303 | restore scratch regs
50 rts
51
52 /* This routine is called when an A3 mouse has sent us some data. */
53 /* (provided it has been set up with SetADBInfo) */
54 .global _adb_msa3_asmcomplete
55 _adb_msa3_asmcomplete:
56 moveml #0xc0c0, sp@- | save scratch regs
57 movl d0, sp@- /* ADB command byte */
58 movl a2, sp@- /* data area pointer */
59 /* a1 is the pointer to this routine itself. */
60 movl a0, sp@- /* device data buffer */
61 jbsr _adb_msa3_complete
62 addl #12, sp /* pop params */
63 moveml sp@+, #0x0303 | restore scratch regs
64 rts
65
66 /* This routine is called when a Mouseman (non-EMP) mouse has sent
67 * us some data. (provided it has been set up with SetADBInfo) */
68 .global _adb_mm_nonemp_asmcomplete
69 _adb_mm_nonemp_asmcomplete:
70 moveml #0xc0c0, sp@- | save scratch regs
71 movl d0, sp@- /* ADB command byte */
72 movl a2, sp@- /* data area pointer */
73 /* a1 is the pointer to this routine itself. */
74 movl a0, sp@- /* device data buffer */
75 jbsr _adb_mm_nonemp_complete
76 addl #12, sp /* pop params */
77 moveml sp@+, #0x0303 | restore scratch regs
78 rts
79
80 _adb_jadbprochello:
81 .asciz "adb: hello from adbproc\n"
82 .even
83
84
85 .global _adb_jadbproc
86 _adb_jadbproc:
87 #if defined(MRG_DEBUG) && 0
88 moveml #0xc0c0, sp@- | save scratch regs
89 movl _adb_jadbprochello, sp@-
90 jbsr _printf
91 addl #4, sp /* pop params */
92 moveml sp@+, #0x0303 | restore scratch regs
93 #endif
94 /* Don't do anything; adb_init fixes dev info for us. */
95 rts
96
97 /* ADBOp's completion routine used by extdms_init() in adbsys.c. */
98 .global _extdms_complete
99 _extdms_complete:
100 movl #-1,a2@ | set done flag
101 rts
102