Mercurial > sdl-ios-xcode

annotate src/video/riscos/SDL_riscosASM.S @ 3922:4e02435ad2be SDL-1.2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Removed some debug printf() calls I accidentally added to Subversion.
author Ryan C. Gordon <icculus@icculus.org>
date Fri, 23 Feb 2007 00:37:07 +0000
parents 1e8582152d44
children 99210400e8b9
rev   line source
1459
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 ;
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2 ; SDL - Simple DirectMedia Layer
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3 ; Copyright (C) 1997-2004 Sam Lantinga
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4 ;
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5 ; This library is free software; you can redistribute it and/or
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6 ; modify it under the terms of the GNU Library General Public
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7 ; License as published by the Free Software Foundation; either
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
8 ; version 2 of the License, or (at your option) any later version.
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
9 ;
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
10 ; This library is distributed in the hope that it will be useful,
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
11 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
12 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
13 ; Library General Public License for more details.
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
14 ;
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
15 ; You should have received a copy of the GNU Library General Public
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
16 ; License along with this library; if not, write to the Free
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
17 ; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
18 ;
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
19 ; Sam Lantinga
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
20 ; slouken@libsdl.org
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
21 ;
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
22 ; Assembler routines for RISC OS display
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
23 ;
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
24
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
25 AREA |C$$CODE|
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
26
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
27 EXPORT |RISCOS_Put32|
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
28
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
29 ; Display 32bpp to 32bpp, 1:1
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
30 ;
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
31 ; Code provided by Adrain Lees
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
32 ;
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
33 ; entry a1 -> destination
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
34 ; a2 = dest width in pixels
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
35 ; a3 = dest line length in bytes
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
36 ; a4 = dest height in scanlines
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
37 ; arg5 -> source
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
38 ; arg6 = byte offset from end of source line to start of next
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
39
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
40 Arg5 * 10*4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
41 Arg6 * Arg5+4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
42
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
43 RISCOS_Put32 ROUT
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
44 STMFD sp!,{a2,v1-v6,sl,fp,lr}
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
45 LDR ip,[sp,#Arg5]
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
46 MOV lr,a1
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
47 B ucp64lp
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
48
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
49 00 ;tail strip of 1-15 pixels
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
50
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
51 LDR v1,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
52 01 SUBS a2,a2,#1
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
53 STR v1,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
54 LDRHI v1,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
55 BHI %01
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
56 B %02
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
57
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
58 ucp64end ADDS a2,a2,#16
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
59 BNE %00
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
60
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
61 02 SUBS a4,a4,#1 ;height--
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
62 LDRHI v1,[sp,#Arg6]
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
63 LDRHI a2,[sp] ;reload width
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
64 BLS %03
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
65
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
66 ;move to start of next scanline
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
67
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
68 ADD lr,a1,a3
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
69 ADD a1,a1,a3
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
70 ADD ip,ip,v1
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
71
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
72 ucp64lp SUBS a2,a2,#16
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
73 BLO ucp64end
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
74
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
75 PLD [ip,#64]
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
76
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
77 LDR v1,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
78 LDR v2,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
79 LDR v3,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
80 LDR v4,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
81 LDR v5,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
82 LDR v6,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
83 LDR sl,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
84 LDR fp,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
85 STR v1,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
86 STR v2,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
87 STR v3,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
88 STR v4,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
89 STR v5,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
90 STR v6,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
91 STR sl,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
92 STR fp,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
93
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
94 PLD [ip,#64]
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
95
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
96 LDR v1,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
97 LDR v2,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
98 LDR v3,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
99 LDR v4,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
100 LDR v5,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
101 LDR v6,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
102 LDR sl,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
103 LDR fp,[ip],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
104 STR v1,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
105 STR v2,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
106 STR v3,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
107 STR v4,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
108 STR v5,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
109 STR v6,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
110 STR sl,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
111 STR fp,[lr],#4
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
112
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
113 B ucp64lp
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
114
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
115 03 LDMFD sp!,{a2,v1-v6,sl,fp,pc}
1e8582152d44 Date: Wed, 01 Mar 2006 10:14:31 +0000
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
116