mirror of
https://github.com/vivier/EMILE.git
synced 2025-04-06 06:39:10 +00:00
move all stuff from console.[ch] to vga.[ch]. console is now the generic entry for video graphic adapter and serial adapter, configured with emile_l2_header
This commit is contained in:
Laurent Vivier
parent
c0894c3445
commit
a1d410914c
372
second/console.c
372
second/console.c
@ -4,321 +4,20 @@
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*
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*/
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#include <stdio.h>
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#include "misc.h"
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#include "glue.h"
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#include "console.h"
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typedef struct console_handler {
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unsigned char* video;
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unsigned char* base;
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unsigned long row_bytes; /* in bytes */
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unsigned long depth; /* 8, 16 or 32 */
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unsigned long width; /* in pixels */
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unsigned long height;
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unsigned long siz_w, siz_h;
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unsigned long pos_x, pos_y;
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} console_handler_t ;
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static unsigned char bits_depth2[16] = {
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0x00, /* 0 : 0000 -> 00000000 */
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0x03, /* 1 : 0001 -> 00000011 */
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0x0c, /* 2 : 0010 -> 00001100 */
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0x0f, /* 3 : 0011 -> 00001111 */
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0x30, /* 4 : 0100 -> 00110000 */
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0x33, /* 5 : 0101 -> 00110011 */
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0x3c, /* 6 : 0110 -> 00111100 */
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0x3f, /* 7 : 0111 -> 00111111 */
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0xc0, /* 8 : 1000 -> 11000000 */
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0xc3, /* 9 : 1001 -> 11000011 */
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0xcc, /* 10 : 1010 -> 11001100 */
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0xcf, /* 11 : 1011 -> 11001111 */
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0xf0, /* 12 : 1100 -> 11110000 */
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0xf3, /* 13 : 1101 -> 11110011 */
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0xfc, /* 14 : 1110 -> 11111100 */
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0xff /* 15 : 1111 -> 11111111 */
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};
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static unsigned char bits_depth4[16] = {
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0x00, /* 0 : 00 -> 00000000 */
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0x0f, /* 1 : 01 -> 00001111 */
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0xf0, /* 2 : 10 -> 11110000 */
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0xFF /* 3 : 11 -> 11111111 */
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};
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static unsigned char bits_depth8[16] = {
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0x00, /* 0 : 0 -> 00000000 */
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0xff /* 0 : 1 -> 11111111 */
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};
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static console_handler_t console;
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extern unsigned char* font_get(int c);
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static void
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draw_byte_1(unsigned char *glyph, unsigned char *base)
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{
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int l;
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for (l = 0 ; l < 16; l++)
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{
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*base = ~(*glyph++);
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base += console.row_bytes;
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}
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}
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static void
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draw_byte_2(unsigned char *glyph, unsigned char *base)
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{
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int l;
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int bits;
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for (l = 0 ; l < 16; l++)
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{
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bits = ~(*glyph++);
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*base = bits_depth2[bits >> 4];
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*(base+1) = bits_depth2[bits & 0x0F];
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base += console.row_bytes;
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}
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}
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static void
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draw_byte_4(unsigned char *glyph, unsigned char *base)
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{
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int l;
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int bits;
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for (l = 0 ; l < 16; l++)
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{
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bits = ~(*glyph++);
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base[3] = bits_depth4[bits & 0x03];
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bits = bits >> 2;
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base[2] = bits_depth4[bits & 0x03];
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bits = bits >> 2;
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base[1] = bits_depth4[bits & 0x03];
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bits = bits >> 2;
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base[0] = bits_depth4[bits & 0x03];
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base += console.row_bytes;
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}
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}
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static void
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draw_byte_8(unsigned char *glyph, unsigned char *base)
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{
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int l;
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int bits;
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for (l = 0 ; l < 16; l++)
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{
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bits = ~(*glyph++);
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base[7] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[6] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[5] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[4] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[3] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[2] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[1] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[0] = bits_depth8[bits & 0x01];
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base += console.row_bytes;
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}
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}
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static void
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draw_byte_16(unsigned char *glyph, unsigned char *base)
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{
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int l;
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int bits;
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for (l = 0 ; l < 16; l++)
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{
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bits = *glyph++;
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base[15] = base[14] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[13] = base[12] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[11] = base[10] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[9] = base[8] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[7] = base[6] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[5] = base[4] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[3] = base[2] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[1] = base[0] = bits_depth8[bits & 0x01];
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base += console.row_bytes;
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}
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}
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static void
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draw_byte_24(unsigned char *glyph, unsigned char *base)
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{
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int l;
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int bits;
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for (l = 0 ; l < 16; l++)
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{
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bits = *glyph++;
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base[23] = base[22] = base[21] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[20] = base[19] = base[18] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[17] = base[16] = base[15] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[14] = base[13] = base[12] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[11] = base[10] = base[9] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[8] = base[7] = base[6] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[5] = base[4] = base[3] = bits_depth8[bits & 0x01];
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bits = bits >> 1;
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base[2] = base[1] = base[0] = bits_depth8[bits & 0x01];
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base += console.row_bytes;
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}
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}
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static void
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draw_byte(unsigned char c, unsigned long locX, unsigned long locY)
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{
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unsigned char *base;
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unsigned char *glyph;
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glyph = font_get(c);
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base = console.base +
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console.row_bytes * locY * 16 +
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locX * console.depth;
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switch(console.depth)
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{
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case 1:
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draw_byte_1(glyph, base);
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break;
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case 2:
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draw_byte_2(glyph, base);
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break;
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case 4:
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draw_byte_4(glyph, base);
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break;
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case 8:
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draw_byte_8(glyph, base);
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break;
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case 16:
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draw_byte_16(glyph, base);
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break;
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case 24:
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draw_byte_24(glyph, base);
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break;
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}
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}
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static void
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console_scroll()
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{
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unsigned long j;
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unsigned long *src;
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unsigned long *dst;
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unsigned long bg32;
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/* move up the screen */
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src = (unsigned long *)(console.base + console.row_bytes * 16);
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dst = (unsigned long *)console.base;
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for (j = 0; j < ((console.siz_h-1)*console.row_bytes<<2); j++)
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*dst++ = *src++;
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/* clear last line */
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if (console.depth <= 8)
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bg32 = 0xffffffff;
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else
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bg32 = 0x00000000;
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for (j = 0; j < (console.row_bytes << 2); j++)
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*dst++ = bg32;
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}
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#include "vga.h"
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void
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console_init()
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console_init(emile_l2_header_t* info)
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{
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glue_display_properties((unsigned long*)&console.base,
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&console.row_bytes,
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&console.width,
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&console.height,
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&console.depth,
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(unsigned long*)&console.video);
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console.pos_x = 0;
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console.pos_y = 0;
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console.siz_w = console.width / 8;
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console.siz_h = console.height / 16;
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console_clear();
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vga_init();
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}
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void
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console_put(char c)
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{
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switch(c) {
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case '\r':
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console.pos_x = 0;
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break;
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case '\n':
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console.pos_x = 0;
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console.pos_y++;
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break;
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default:
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draw_byte((unsigned char)c, console.pos_x++, console.pos_y);
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if (console.pos_x >= console.siz_w) {
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console.pos_x = 0;
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console.pos_y++;
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}
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}
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while (console.pos_y >= console.siz_h) {
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console_scroll();
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console.pos_y--;
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}
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vga_put(c);
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}
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void
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@ -327,66 +26,3 @@ console_print(char *s)
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while(*s)
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console_put(*(s++));
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}
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void
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console_clear()
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{
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int i,j;
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unsigned char bg;
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unsigned long bg32;
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unsigned long *base = (unsigned long*)console.base;
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unsigned char *next;
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if (console.depth <= 8)
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{
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bg = 0xff;
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bg32 = 0xffffffff;
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}
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else
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{
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bg = 0x00;
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bg32 = 0x00000000;
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}
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for (j = 0; j < console.height; j++)
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{
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for (i = 0; i < (console.row_bytes >> 2); i++)
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*base++ = bg32;
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next = (unsigned char*)base;
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for (i = i << 2 ; i < console.row_bytes; i++)
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*next++ = bg;
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}
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console.pos_x = 0;
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console.pos_y = 0;
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}
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unsigned long console_get_videobase()
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{
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return (unsigned long)console.base;
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}
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unsigned long console_get_row_bytes()
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{
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return console.row_bytes;
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}
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unsigned long console_get_depth()
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{
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return console.depth;
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}
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unsigned long console_get_width()
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{
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return console.width;
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}
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unsigned long console_get_height()
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{
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return console.height;
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}
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unsigned long console_get_video()
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{
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return (unsigned long)console.video;
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}
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@ -7,17 +7,12 @@
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#ifndef __CONSOLE_H__
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#define __CONSOLE_H__
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extern void console_init();
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extern void console_clear();
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#include "misc.h"
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#include "head.h"
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extern void console_init(emile_l2_header_t* info);
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extern void console_put(char c);
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extern void console_print(char *s);
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extern unsigned long console_get_videobase();
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extern unsigned long console_get_row_bytes();
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extern unsigned long console_get_depth();
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extern unsigned long console_get_width();
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extern unsigned long console_get_height();
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extern unsigned long console_get_video();
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#endif
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385
second/vga.c
Normal file
385
second/vga.c
Normal file
@ -0,0 +1,385 @@
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/*
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*
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* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
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*
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*/
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#include <stdio.h>
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#include "misc.h"
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#include "glue.h"
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#include "vga.h"
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typedef struct vga_handler {
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unsigned char* video;
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unsigned char* base;
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unsigned long row_bytes; /* in bytes */
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unsigned long depth; /* 8, 16 or 32 */
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unsigned long width; /* in pixels */
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unsigned long height;
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unsigned long siz_w, siz_h;
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unsigned long pos_x, pos_y;
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} vga_handler_t ;
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static unsigned char bits_depth2[16] = {
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0x00, /* 0 : 0000 -> 00000000 */
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0x03, /* 1 : 0001 -> 00000011 */
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0x0c, /* 2 : 0010 -> 00001100 */
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0x0f, /* 3 : 0011 -> 00001111 */
|
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0x30, /* 4 : 0100 -> 00110000 */
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0x33, /* 5 : 0101 -> 00110011 */
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0x3c, /* 6 : 0110 -> 00111100 */
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0x3f, /* 7 : 0111 -> 00111111 */
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0xc0, /* 8 : 1000 -> 11000000 */
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0xc3, /* 9 : 1001 -> 11000011 */
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0xcc, /* 10 : 1010 -> 11001100 */
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0xcf, /* 11 : 1011 -> 11001111 */
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0xf0, /* 12 : 1100 -> 11110000 */
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0xf3, /* 13 : 1101 -> 11110011 */
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0xfc, /* 14 : 1110 -> 11111100 */
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0xff /* 15 : 1111 -> 11111111 */
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};
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static unsigned char bits_depth4[16] = {
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0x00, /* 0 : 00 -> 00000000 */
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0x0f, /* 1 : 01 -> 00001111 */
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0xf0, /* 2 : 10 -> 11110000 */
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0xFF /* 3 : 11 -> 11111111 */
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};
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static unsigned char bits_depth8[16] = {
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0x00, /* 0 : 0 -> 00000000 */
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0xff /* 0 : 1 -> 11111111 */
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};
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static vga_handler_t vga;
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extern unsigned char* font_get(int c);
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static void
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draw_byte_1(unsigned char *glyph, unsigned char *base)
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{
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int l;
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for (l = 0 ; l < 16; l++)
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{
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*base = ~(*glyph++);
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base += vga.row_bytes;
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}
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}
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static void
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draw_byte_2(unsigned char *glyph, unsigned char *base)
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{
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int l;
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int bits;
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for (l = 0 ; l < 16; l++)
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{
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bits = ~(*glyph++);
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*base = bits_depth2[bits >> 4];
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*(base+1) = bits_depth2[bits & 0x0F];
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base += vga.row_bytes;
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}
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}
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static void
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draw_byte_4(unsigned char *glyph, unsigned char *base)
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{
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int l;
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int bits;
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for (l = 0 ; l < 16; l++)
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{
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bits = ~(*glyph++);
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base[3] = bits_depth4[bits & 0x03];
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bits = bits >> 2;
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base[2] = bits_depth4[bits & 0x03];
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bits = bits >> 2;
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base[1] = bits_depth4[bits & 0x03];
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bits = bits >> 2;
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base[0] = bits_depth4[bits & 0x03];
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base += vga.row_bytes;
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}
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}
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static void
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draw_byte_8(unsigned char *glyph, unsigned char *base)
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{
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int l;
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int bits;
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for (l = 0 ; l < 16; l++)
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{
|
||||
bits = ~(*glyph++);
|
||||
|
||||
base[7] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
base[6] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
base[5] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
base[4] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
base[3] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
base[2] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
base[1] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
base[0] = bits_depth8[bits & 0x01];
|
||||
|
||||
base += vga.row_bytes;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
draw_byte_16(unsigned char *glyph, unsigned char *base)
|
||||
{
|
||||
int l;
|
||||
int bits;
|
||||
|
||||
for (l = 0 ; l < 16; l++)
|
||||
{
|
||||
bits = *glyph++;
|
||||
|
||||
base[15] = base[14] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[13] = base[12] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[11] = base[10] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[9] = base[8] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[7] = base[6] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[5] = base[4] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[3] = base[2] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[1] = base[0] = bits_depth8[bits & 0x01];
|
||||
|
||||
base += vga.row_bytes;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
draw_byte_24(unsigned char *glyph, unsigned char *base)
|
||||
{
|
||||
int l;
|
||||
int bits;
|
||||
|
||||
for (l = 0 ; l < 16; l++)
|
||||
{
|
||||
bits = *glyph++;
|
||||
|
||||
base[23] = base[22] = base[21] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[20] = base[19] = base[18] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[17] = base[16] = base[15] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[14] = base[13] = base[12] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[11] = base[10] = base[9] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[8] = base[7] = base[6] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[5] = base[4] = base[3] = bits_depth8[bits & 0x01];
|
||||
bits = bits >> 1;
|
||||
|
||||
base[2] = base[1] = base[0] = bits_depth8[bits & 0x01];
|
||||
|
||||
base += vga.row_bytes;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
draw_byte(unsigned char c, unsigned long locX, unsigned long locY)
|
||||
{
|
||||
unsigned char *base;
|
||||
unsigned char *glyph;
|
||||
|
||||
glyph = font_get(c);
|
||||
|
||||
base = vga.base + vga.row_bytes * locY * 16 + locX * vga.depth;
|
||||
|
||||
switch(vga.depth)
|
||||
{
|
||||
case 1:
|
||||
draw_byte_1(glyph, base);
|
||||
break;
|
||||
case 2:
|
||||
draw_byte_2(glyph, base);
|
||||
break;
|
||||
case 4:
|
||||
draw_byte_4(glyph, base);
|
||||
break;
|
||||
case 8:
|
||||
draw_byte_8(glyph, base);
|
||||
break;
|
||||
case 16:
|
||||
draw_byte_16(glyph, base);
|
||||
break;
|
||||
case 24:
|
||||
draw_byte_24(glyph, base);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void vga_clear();
|
||||
|
||||
static void
|
||||
vga_scroll()
|
||||
{
|
||||
unsigned long j;
|
||||
unsigned long *src;
|
||||
unsigned long *dst;
|
||||
unsigned long bg32;
|
||||
|
||||
/* move up the screen */
|
||||
|
||||
src = (unsigned long *)(vga.base + vga.row_bytes * 16);
|
||||
dst = (unsigned long *)vga.base;
|
||||
|
||||
for (j = 0; j < ((vga.siz_h-1)*vga.row_bytes<<2); j++)
|
||||
*dst++ = *src++;
|
||||
|
||||
/* clear last line */
|
||||
|
||||
if (vga.depth <= 8)
|
||||
bg32 = 0xffffffff;
|
||||
else
|
||||
bg32 = 0x00000000;
|
||||
|
||||
for (j = 0; j < (vga.row_bytes << 2); j++)
|
||||
*dst++ = bg32;
|
||||
}
|
||||
|
||||
void
|
||||
vga_init()
|
||||
{
|
||||
glue_display_properties((unsigned long*)&vga.base,
|
||||
&vga.row_bytes,
|
||||
&vga.width,
|
||||
&vga.height,
|
||||
&vga.depth,
|
||||
(unsigned long*)&vga.video);
|
||||
|
||||
vga.pos_x = 0;
|
||||
vga.pos_y = 0;
|
||||
vga.siz_w = vga.width / 8;
|
||||
vga.siz_h = vga.height / 16;
|
||||
|
||||
vga_clear();
|
||||
}
|
||||
|
||||
void
|
||||
vga_put(char c)
|
||||
{
|
||||
switch(c) {
|
||||
case '\r':
|
||||
vga.pos_x = 0;
|
||||
break;
|
||||
case '\n':
|
||||
vga.pos_x = 0;
|
||||
vga.pos_y++;
|
||||
break;
|
||||
default:
|
||||
draw_byte((unsigned char)c, vga.pos_x++, vga.pos_y);
|
||||
if (vga.pos_x >= vga.siz_w) {
|
||||
vga.pos_x = 0;
|
||||
vga.pos_y++;
|
||||
}
|
||||
}
|
||||
while (vga.pos_y >= vga.siz_h) {
|
||||
vga_scroll();
|
||||
vga.pos_y--;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
vga_clear()
|
||||
{
|
||||
int i,j;
|
||||
unsigned char bg;
|
||||
unsigned long bg32;
|
||||
unsigned long *base = (unsigned long*)vga.base;
|
||||
unsigned char *next;
|
||||
|
||||
if (vga.depth <= 8)
|
||||
{
|
||||
bg = 0xff;
|
||||
bg32 = 0xffffffff;
|
||||
}
|
||||
else
|
||||
{
|
||||
bg = 0x00;
|
||||
bg32 = 0x00000000;
|
||||
}
|
||||
|
||||
for (j = 0; j < vga.height; j++)
|
||||
{
|
||||
for (i = 0; i < (vga.row_bytes >> 2); i++)
|
||||
*base++ = bg32;
|
||||
next = (unsigned char*)base;
|
||||
for (i = i << 2 ; i < vga.row_bytes; i++)
|
||||
*next++ = bg;
|
||||
}
|
||||
|
||||
vga.pos_x = 0;
|
||||
vga.pos_y = 0;
|
||||
}
|
||||
|
||||
unsigned long vga_get_videobase()
|
||||
{
|
||||
return (unsigned long)vga.base;
|
||||
}
|
||||
|
||||
unsigned long vga_get_row_bytes()
|
||||
{
|
||||
return vga.row_bytes;
|
||||
}
|
||||
|
||||
unsigned long vga_get_depth()
|
||||
{
|
||||
return vga.depth;
|
||||
}
|
||||
|
||||
unsigned long vga_get_width()
|
||||
{
|
||||
return vga.width;
|
||||
}
|
||||
|
||||
unsigned long vga_get_height()
|
||||
{
|
||||
return vga.height;
|
||||
}
|
||||
|
||||
unsigned long vga_get_video()
|
||||
{
|
||||
return (unsigned long)vga.video;
|
||||
}
|
||||
22
second/vga.h
Normal file
22
second/vga.h
Normal file
@ -0,0 +1,22 @@
|
||||
/*
|
||||
*
|
||||
* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef __VGA_H__
|
||||
#define __VGA_H__
|
||||
|
||||
extern void vga_init();
|
||||
|
||||
extern void vga_put(char c);
|
||||
extern void vga_print(char *s);
|
||||
|
||||
extern unsigned long vga_get_videobase();
|
||||
extern unsigned long vga_get_row_bytes();
|
||||
extern unsigned long vga_get_depth();
|
||||
extern unsigned long vga_get_width();
|
||||
extern unsigned long vga_get_height();
|
||||
extern unsigned long vga_get_video();
|
||||
|
||||
#endif
|
||||
Loading…
x
Reference in New Issue
Block a user