X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/c1cc31ac5cc581f2142c15794ef7c6cfaa3ec6d9..789ebb2d04033053b3cfeaa73648e3a1c3b3d8f5:/video/text.c

diff --git a/video/text.c b/video/text.c
deleted file mode 100644
index a25c8aa..0000000
--- a/video/text.c
+++ /dev/null
@@ -1,100 +0,0 @@
-#include <io.h>
-#include <text.h>
-#include <paging.h>
-#include <minilib.h>
-#include <stdint.h>
-#include <output.h>
-#include <smram.h>
-
-static unsigned char _font[256 * 32];
-
-/* Must be called from a firstrun context, where we don't care about saving
- * 0x3CE state. */
-void text_init()
-{
-	unsigned char oldread;
-	smram_state_t old_state = smram_save_state();
-	outb(0x3CE, 0x05 /* Mode register */);
-	outb(0x3CF, inb(0x3CF) & ~(0x10 /* Odd/even */));
-	outb(0x3CE, 0x04 /* Read register */);
-	oldread = inb(0x3CF);
-	outb(0x3CF, 0x02 /* Font plane */);
-	smram_aseg_set_state(SMRAM_ASEG_SMMCODE);
-	memcpy(_font, p2v(0xB8000), sizeof(_font));
-	smram_restore_state(old_state);
-	outb(0x3CF, oldread);
-}
-
-void text_render(char *buf, int x, int y, int w, int h)
-{
-	unsigned char *video = (unsigned char *)0xB8000;
-	unsigned int textx = x / 9;
-	unsigned int texty = y / 14;
-	unsigned int cx, cy;
-	unsigned char ch, at, font;
-	smram_state_t old_state = smram_save_state();
-	
-	outputf("text_render: (%d,%d),(%d,%d)", buf, x, y, w, h);
-	
-	smram_aseg_set_state(SMRAM_ASEG_SMMCODE);
-	for (cy = y; cy < (y + h); cy++)
-	{
-		cx = x;
-		texty = cy / 14;
-		textx = cx / 9;
-		ch = video[texty * 160 + textx * 2];
-		at = video[texty * 160 + textx * 2 + 1];
-		font = _font[ch * 32 + cy % 14];
-		for (cx = x; cx < (x + w); cx++)
-		{
-			unsigned int pos = cx % 9;
-			if (pos == 0)
-			{
-				textx = cx / 9;
-				ch = video[texty * 160 + textx * 2];
-				at = video[texty * 160 + textx * 2 + 1];
-				font = _font[ch * 32 + cy % 14];
-			}
-			/* XXX always BGR888 */
-			if (pos == 8)	/* 9th pixel is cloned */
-				pos = 7;
-			if ((font >> (7 - pos)) & 1)
-			{
-				*(buf++) = (at & 0x01) ? 0xFF : 0x00;
-				*(buf++) = (at & 0x02) ? 0xFF : 0x00;
-				*(buf++) = (at & 0x04) ? 0xFF : 0x00;
-			} else {
-				*(buf++) = (at & 0x10) ? 0xFF : 0x00;
-				*(buf++) = (at & 0x20) ? 0xFF : 0x00;
-				*(buf++) = (at & 0x40) ? 0xFF : 0x00;
-			}
-			*(buf++) = 0;
-		}
-	}
-	smram_restore_state(old_state);
-}
-
-uint32_t text_checksum(int x, int y, int w, int h)
-{
-	unsigned char *video = (unsigned char *)0xB8000;
-	unsigned int textx = x / 9;
-	unsigned int texty = y / 14;
-	int cx, cy;
-	unsigned char ch, at;
-	uint32_t cksm = 0;
-	smram_state_t old_state = smram_save_state();
-	
-	smram_aseg_set_state(SMRAM_ASEG_SMMCODE);
-	
-	for (cy = y; cy < (y + h); cy++)
-	{
-		cx = x;
-		texty = cy / 14;
-		textx = cx / 9;
-		cksm ^= crc32(video + texty * 160 + textx * 2, (w / 9 + 1) * 2);	/* Err on the side of 'too many'. */
-	}
-	
-	smram_restore_state(old_state);
-	
-	return cksm;
-}