Changeset accc088 in mainline for kernel/genarch/src/drivers/ega/ega.c

Timestamp:

2009-03-25T02:37:24Z (15 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c213c77

Parents:

beb368f5

Message:

convert Unicode characters to OEM (a.k.a. 437) code page
add colors to EGA output

File:

• kernel/genarch/src/drivers/ega/ega.c (modified) (3 diffs)

kernel/genarch/src/drivers/ega/ega.c

@@ -62 +62 @@
 
 #define SPACE  0x20
-#define STYLE  0x07
-
-#define EMPTY_CHAR  (STYLE << 8 | SPACE)
+#define STYLE  0x1e
+#define INVAL  0x17
+
+#define EMPTY_CHAR  ((STYLE << 8) | SPACE)
+
+static uint16_t ega_oem_glyph(const wchar_t ch)
+{
+        if ((ch >= 0x0000) && (ch <= 0x007f))
+                return ch;
+        
+        if (ch == 0x00a0)
+                return 255;
+        
+        if (ch == 0x00a1)
+                return 173;
+        
+        if ((ch >= 0x00a2) && (ch <= 0x00a3))
+                return (ch - 7);
+        
+        if (ch == 0x00a5)
+                return 157;
+        
+        if (ch == 0x00aa)
+                return 166;
+        
+        if (ch == 0x00ab)
+                return 174;
+        
+        if (ch == 0x00ac)
+                return 170;
+        
+        if (ch == 0x00b0)
+                return 248;
+        
+        if (ch == 0x00b1)
+                return 241;
+        
+        if (ch == 0x00b2)
+                return 253;
+        
+        if (ch == 0x00b5)
+                return 230;
+        
+        if (ch == 0x00b7)
+                return 250;
+        
+        if (ch == 0x00ba)
+                return 167;
+        
+        if (ch == 0x00bb)
+                return 175;
+        
+        if (ch == 0x00bc)
+                return 172;
+        
+        if (ch == 0x00bd)
+                return 171;
+        
+        if (ch == 0x00bf)
+                return 168;
+        
+        if ((ch >= 0x00c4) && (ch <= 0x00c5))
+                return (ch - 54);
+        
+        if (ch == 0x00c6)
+                return 146;
+        
+        if (ch == 0x00c7)
+                return 128;
+        
+        if (ch == 0x00c9)
+                return 144;
+        
+        if (ch == 0x00d1)
+                return 165;
+        
+        if (ch == 0x00d6)
+                return 153;
+        
+        if (ch == 0x00dc)
+                return 154;
+        
+        if (ch == 0x00df)
+                return 225;
+        
+        if (ch == 0x00e0)
+                return 133;
+        
+        if (ch == 0x00e1)
+                return 160;
+        
+        if (ch == 0x00e2)
+                return 131;
+        
+        if (ch == 0x00e4)
+                return 132;
+        
+        if (ch == 0x00e5)
+                return 134;
+        
+        if (ch == 0x00e6)
+                return 145;
+        
+        if (ch == 0x00e7)
+                return 135;
+        
+        if (ch == 0x00e8)
+                return 138;
+        
+        if (ch == 0x00e9)
+                return 130;
+        
+        if ((ch >= 0x00ea) && (ch <= 0x00eb))
+                return (ch - 98);
+        
+        if (ch == 0x00ec)
+                return 141;
+        
+        if (ch == 0x00ed)
+                return 161;
+        
+        if (ch == 0x00ee)
+                return 140;
+        
+        if (ch == 0x00ef)
+                return 139;
+        
+        if (ch == 0x00f1)
+                return 164;
+        
+        if (ch == 0x00f2)
+                return 149;
+        
+        if (ch == 0x00f3)
+                return 162;
+        
+        if (ch == 0x00f4)
+                return 147;
+        
+        if (ch == 0x00f6)
+                return 148;
+        
+        if (ch == 0x00f7)
+                return 246;
+        
+        if (ch == 0x00f9)
+                return 151;
+        
+        if (ch == 0x00fa)
+                return 163;
+        
+        if (ch == 0x00fb)
+                return 150;
+        
+        if (ch == 0x00fc)
+                return 129;
+        
+        if (ch == 0x00ff)
+                return 152;
+        
+        if (ch == 0x0192)
+                return 159;
+        
+        if (ch == 0x0393)
+                return 226;
+        
+        if (ch == 0x0398)
+                return 233;
+        
+        if (ch == 0x03a3)
+                return 228;
+        
+        if (ch == 0x03a6)
+                return 232;
+        
+        if (ch == 0x03a9)
+                return 234;
+        
+        if (ch == 0x03b1)
+                return 224;
+        
+        if (ch == 0x03b4)
+                return 235;
+        
+        if (ch == 0x03b5)
+                return 238;
+        
+        if (ch == 0x03c0)
+                return 227;
+        
+        if (ch == 0x03c3)
+                return 229;
+        
+        if (ch == 0x03c4)
+                return 231;
+        
+        if (ch == 0x03c6)
+                return 237;
+        
+        if (ch == 0x207f)
+                return 252;
+        
+        if (ch == 0x20a7)
+                return 158;
+        
+        if (ch == 0x2219)
+                return 249;
+        
+        if (ch == 0x221a)
+                return 251;
+        
+        if (ch == 0x221e)
+                return 236;
+        
+        if (ch == 0x2229)
+                return 239;
+        
+        if (ch == 0x2248)
+                return 247;
+        
+        if (ch == 0x2261)
+                return 240;
+        
+        if (ch == 0x2264)
+                return 243;
+        
+        if (ch == 0x2265)
+                return 242;
+        
+        if (ch == 0x2310)
+                return 169;
+        
+        if ((ch >= 0x2320) && (ch <= 0x2321))
+                return (ch - 8748);
+        
+        if (ch == 0x2500)
+                return 196;
+        
+        if (ch == 0x2502)
+                return 179;
+        
+        if (ch == 0x250c)
+                return 218;
+        
+        if (ch == 0x2510)
+                return 191;
+        
+        if (ch == 0x2514)
+                return 192;
+        
+        if (ch == 0x2518)
+                return 217;
+        
+        if (ch == 0x251c)
+                return 195;
+        
+        if (ch == 0x2524)
+                return 180;
+        
+        if (ch == 0x252c)
+                return 194;
+        
+        if (ch == 0x2534)
+                return 193;
+        
+        if (ch == 0x253c)
+                return 197;
+        
+        if (ch == 0x2550)
+                return 205;
+        
+        if (ch == 0x2551)
+                return 186;
+        
+        if ((ch >= 0x2552) && (ch <= 0x2553))
+                return (ch - 9341);
+        
+        if (ch == 0x2554)
+                return 201;
+        
+        if (ch == 0x2555)
+                return 184;
+        
+        if (ch == 0x2556)
+                return 183;
+        
+        if (ch == 0x2557)
+                return 187;
+        
+        if (ch == 0x2558)
+                return 212;
+        
+        if (ch == 0x2559)
+                return 211;
+        
+        if (ch == 0x255a)
+                return 200;
+        
+        if (ch == 0x255b)
+                return 190;
+        
+        if (ch == 0x255c)
+                return 189;
+        
+        if (ch == 0x255d)
+                return 188;
+        
+        if ((ch >= 0x255e) && (ch <= 0x255f))
+                return (ch - 9368);
+        
+        if (ch == 0x2560)
+                return 204;
+        
+        if ((ch >= 0x2561) && (ch <= 0x2562))
+                return (ch - 9388);
+        
+        if (ch == 0x2563)
+                return 185;
+        
+        if ((ch >= 0x2564) && (ch <= 0x2565))
+                return (ch - 9363);
+        
+        if (ch == 0x2566)
+                return 203;
+        
+        if ((ch >= 0x2567) && (ch <= 0x2568))
+                return (ch - 9368);
+        
+        if (ch == 0x2569)
+                return 202;
+        
+        if (ch == 0x256a)
+                return 216;
+        
+        if (ch == 0x256b)
+                return 215;
+        
+        if (ch == 0x256c)
+                return 206;
+        
+        if (ch == 0x2580)
+                return 223;
+        
+        if (ch == 0x2584)
+                return 220;
+        
+        if (ch == 0x2588)
+                return 219;
+        
+        if (ch == 0x258c)
+                return 221;
+        
+        if (ch == 0x2590)
+                return 222;
+        
+        if ((ch >= 0x2591) && (ch <= 0x2593))
+                return (ch - 9441);
+        
+        return 256;
+}
 
 /*
@@ -122 +479 @@
 }
 
-static void ega_display_char(char ch, bool silent)
-{
-        backbuf[ega_cursor * 2] = ch;
-        backbuf[ega_cursor * 2 + 1] = STYLE;
+static void ega_display_char(wchar_t ch, bool silent)
+{
+        uint16_t index = ega_oem_glyph(ch);
+        uint8_t glyph;
+        uint8_t style;
+        
+        if ((index >> 8)) {
+                glyph = '?';
+                style = INVAL;
+        } else {
+                glyph = index & 0xff;
+                style = STYLE;
+        }
+        
+        backbuf[ega_cursor * 2] = glyph;
+        backbuf[ega_cursor * 2 + 1] = style;
         
         if (!silent) {
-                videoram[ega_cursor * 2] = ch;
-                videoram[ega_cursor * 2 + 1] = STYLE;
+                videoram[ega_cursor * 2] = glyph;
+                videoram[ega_cursor * 2 + 1] = style;
         }
 }
@@ -146 +515 @@
         case '\t':
                 ega_cursor = (ega_cursor + 8) - ega_cursor % 8;
-                break; 
+                break;
         case '\b':
                 if (ega_cursor % EGA_COLS)