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root/cebix/Frodo4/Src/el_Acorn.h
Revision: 1.4
Committed: 2005-06-27T19:55:48Z (17 years, 5 months ago) by cebix
Content type: text/plain
Branch: MAIN
CVS Tags: VERSION_4_2, HEAD
Changes since 1.3: +1 -1 lines
Log Message:
updated copyright dates

File Contents

# Content
1 /*
2 * el_Acorn.h - Somewhat faster (on Acorn) versions of the el_-functions
3 * of VIC.cpp
4 *
5 * Frodo (C) 1994-1997,2002-2005 Christian Bauer
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22
23 #ifdef GLOBAL_VARS
24 static inline void el_std_text(uint8 *p, uint8 *q, uint8 *r)
25 #else
26 inline void MOS6569::el_std_text(uint8 *p, uint8 *q, uint8 *r)
27 #endif
28 {
29 register uint32 *lp = (uint32 *)p, *t;
30 uint8 *cp = color_line;
31 uint8 *mp = matrix_line;
32 uint32 *tab = (uint32*)&TextColorTable[0][b0c][0][0];
33
34 // Loop for 40 characters
35 for (int i=0; i<40; i++) {
36 uint8 data = r[i] = q[mp[i] << 3];
37
38 t = tab + ((cp[i] & 15) << 13) + (data << 1);
39 *lp++ = *t++; *lp++ = *t++;
40 }
41 }
42
43
44 #ifdef GLOBAL_VARS
45 static inline void el_mc_text(uint8 *p, uint8 *q, uint8 *r)
46 #else
47 inline void MOS6569::el_mc_text(uint8 *p, uint8 *q, uint8 *r)
48 #endif
49 {
50 register uint32 *wp = (uint32 *)p, *t;
51 uint32 *tab = (uint32*)&TextColorTable[0][b0c][0][0];
52 uint8 *cp = color_line;
53 uint8 *mp = matrix_line;
54 uint8 *lookup = (uint8*)mc_color_lookup;
55
56 // Loop for 40 characters
57 for (int i=0; i<40; i++) {
58 register uint32 color = cp[i];
59 uint8 data = q[mp[i] << 3];
60
61 if (color & 8) {
62 r[i] = (data & 0xaa) | (data & 0xaa) >> 1;
63 lookup[6] = colors[color & 7];
64 color = lookup[(data & 0xc0) >> 5] | (lookup[(data & 0x30) >> 3] << 16);
65 *wp++ = color | (color << 8);
66 color = lookup[(data & 0x0c) >> 1] | (lookup[(data & 0x03) << 1] << 16);
67 *wp++ = color | (color << 8);
68
69 } else { // Standard mode in multicolor mode
70 r[i] = data;
71 color = cp[i]; t = tab + (color << 13) + (data << 1);
72 *wp++ = *t++; *wp++ = *t++;
73 }
74 }
75 }
76
77
78 #ifdef GLOBAL_VARS
79 static inline void el_std_bitmap(uint8 *p, uint8 *q, uint8 *r)
80 #else
81 inline void MOS6569::el_std_bitmap(uint8 *p, uint8 *q, uint8 *r)
82 #endif
83 {
84 register uint32 *lp = (uint32 *)p, *t;
85 uint8 *mp = matrix_line;
86
87 // Loop for 40 characters
88 for (int i=0; i<40; i++, q+=8) {
89 uint8 data = r[i] = *q;
90 uint8 h = mp[i];
91
92 t = (uint32*)&TextColorTable[h >> 4][h & 15][data][0];
93 *lp++ = *t++; *lp++ = *t++;
94 }
95 }
96
97
98 #ifdef GLOBAL_VARS
99 static inline void el_mc_bitmap(uint8 *p, uint8 *q, uint8 *r)
100 #else
101 inline void MOS6569::el_mc_bitmap(uint8 *p, uint8 *q, uint8 *r)
102 #endif
103 {
104 uint8 lookup[4];
105 register uint32 *wp = (uint32 *)p;
106 uint8 *cp = color_line;
107 uint8 *mp = matrix_line;
108
109 lookup[0] = b0c_color;
110
111 // Loop for 40 characters
112 for (int i=0; i<40; i++, q+=8) {
113 uint8 data = *q;
114 register uint32 h = mp[i];
115
116 lookup[1] = colors[h >> 4];
117 lookup[2] = colors[h];
118 lookup[3] = colors[cp[i]];
119
120 r[i] = (data & 0xaa) | (data & 0xaa) >> 1;
121
122 h = lookup[data >> 6] | (lookup[(data >> 4) & 3] << 16); *wp++ = h | (h << 8);
123 h = lookup[(data >> 2) & 3] | (lookup[data & 3] << 16); *wp++ = h | (h << 8);
124 }
125 }
126
127
128 #ifdef GLOBAL_VARS
129 static inline void el_ecm_text(uint8 *p, uint8 *q, uint8 *r)
130 #else
131 inline void MOS6569::el_ecm_text(uint8 *p, uint8 *q, uint8 *r)
132 #endif
133 {
134 register uint32 *lp = (uint32 *)p, *t;
135 uint8 *cp = color_line;
136 uint8 *mp = matrix_line;
137 uint8 *bcp = &b0c;
138
139 // Loop for 40 characters
140 for (int i=0; i<40; i++) {
141 uint8 data = r[i] = mp[i];
142
143 t = (uint32*)&TextColorTable[cp[i]][bcp[(data >> 6) & 3]][q[(data & 0x3f) << 3]][0];
144 *lp++ = *t++; *lp++ = *t++;
145 }
146 }
147
148
149 #ifdef GLOBAL_VARS
150 static inline void el_std_idle(uint8 *p, uint8 *r)
151 #else
152 inline void MOS6569::el_std_idle(uint8 *p, uint8 *r)
153 #endif
154 {
155 uint8 data = *get_physical(ctrl1 & 0x40 ? 0x39ff : 0x3fff);
156 uint32 *lp = (uint32 *)p;
157 uint32 conv0 = TextColorTable[0][b0c][data][0].b;
158 uint32 conv1 = TextColorTable[0][b0c][data][1].b;
159
160 for (int i=0; i<40; i++) {
161 *lp++ = conv0;
162 *lp++ = conv1;
163 *r++ = data;
164 }
165 }
166
167
168 #ifdef GLOBAL_VARS
169 static inline void el_mc_idle(uint8 *p, uint8 *r)
170 #else
171 inline void MOS6569::el_mc_idle(uint8 *p, uint8 *r)
172 #endif
173 {
174 uint8 data = *get_physical(0x3fff);
175 register uint8 c0 = b0c_color, c1 = colors[0];
176 register uint32 *lp = (uint32 *)p;
177 register uint32 conv0, conv1;
178
179 conv0 = (((data & 0xc0) == 0) ? c0 : c1) | (((data & 0x30) == 0) ? c0<<16 : c1<<16);
180 conv1 = (((data & 0x0c) == 0) ? c0 : c1) | (((data & 0x03) == 0) ? c0<<16 : c1<<16);
181 conv0 |= (conv0 << 8); conv1 |= (conv1 << 8);
182
183 for (int i=0; i<40; i++) {
184 *lp++ = conv0;
185 *lp++ = conv1;
186 *r++ = data;
187 }
188 }