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[netwatch.git] / video / text.c

diff --git a/video/text.c b/video/text.c
index f6c9f529855cdcd4482d817b5e2ae149306909c9..4f26b8ed8ec80098fc5eceb1f83c31a6aedcace5 100644 (file)
--- a/video/text.c
+++ b/video/text.c
@@ -1,3 +1,13 @@
+/* text.c
+ * Text console checksum and rendering functions
+ * NetWatch system management mode administration console
+ *
+ * Copyright (c) 2008 Jacob Potter and Joshua Wise.  All rights reserved.
+ * This program is free software; you can redistribute and/or modify it under
+ * the terms found in the file LICENSE in the root of this source tree.
+ *
+ */
+
 #include <io.h>
 #include <text.h>
 #include <paging.h>
@@ -69,9 +79,9 @@ void text_render(char *buf, int x, int y, int w, int h)
        unsigned int cx, cy;
        unsigned char ch, at, font;
        smram_state_t old_state = smram_save_state();
-       
+/*
        outputf("text_render: (%d,%d),(%d,%d)", x, y, w, h);
-       
+*/     
        smram_aseg_set_state(SMRAM_ASEG_SMMCODE);
        for (cy = y; cy < (y + h); cy++)
        {
@@ -83,10 +93,10 @@ void text_render(char *buf, int x, int y, int w, int h)
                font = _font[ch * 32 + cy % 16];
                for (cx = x; cx < (x + w); cx++)
                {
-                       unsigned int pos = cx % 9;
+                       unsigned int pos = cx % 8;
                        if (pos == 0)
                        {
-                               textx = cx / 9;
+                               textx = cx / 8;
                                ch = video[texty * 160 + textx * 2];
                                at = video[texty * 160 + textx * 2 + 1];
                                font = _font[ch * 32 + cy % 16];
@@ -113,7 +123,7 @@ void text_render(char *buf, int x, int y, int w, int h)
 uint32_t text_checksum(int x, int y, int w, int h)
 {
        unsigned char *video = (unsigned char *)vga_base();
-       unsigned int textx = x / 9;
+       unsigned int textx = x / 8;
        unsigned int texty = y / 16;
        int cx, cy;
        uint32_t cksm = 0;
@@ -125,8 +135,8 @@ uint32_t text_checksum(int x, int y, int w, int h)
        {
                cx = x;
                texty = cy / 16;
-               textx = cx / 9;
-               cksm = crc32(video + texty * 160 + textx * 2, (w / 9) * 2 + 2, cksm);   /* Err on the side of 'too many'. */
+               textx = cx / 8;
+               cksm = crc32(video + texty * 160 + textx * 2, (w / 8) * 2 + 2, cksm);   /* Err on the side of 'too many'. */
        }
        
        smram_restore_state(old_state);