upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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539 lines
10 KiB
539 lines
10 KiB
/*
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* (C) Copyright 2002
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* Hyperion Entertainment, Hans-JoergF@hyperion-entertainment.com
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <devices.h>
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#include "memio.h"
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#include <part.h>
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unsigned char *cursor_position;
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unsigned int cursor_row;
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unsigned int cursor_col;
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unsigned char current_attr;
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unsigned int video_numrows = 25;
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unsigned int video_numcols = 80;
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unsigned int video_scrolls = 0;
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#define VIDEO_BASE (unsigned char *)0xFD0B8000
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#define VIDEO_ROWS video_numrows
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#define VIDEO_COLS video_numcols
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#define VIDEO_PITCH (2 * video_numcols)
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#define VIDEO_SIZE (video_numrows * video_numcols * 2)
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#define VIDEO_NAME "vga"
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void video_test(void);
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void video_putc(char ch);
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void video_puts(char *string);
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void video_scroll(int rows);
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void video_banner(void);
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int video_init(void);
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int video_start(void);
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int video_rows(void);
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int video_cols(void);
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char *prompt_string = "=>";
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void video_set_color(unsigned char attr)
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{
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unsigned char *fb = (unsigned char *)VIDEO_BASE;
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int i;
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current_attr = video_get_attr();
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for (i=0; i<VIDEO_SIZE; i+=2)
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{
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*(fb+i+1) = current_attr;
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}
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}
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unsigned char video_get_attr(void)
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{
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char *s;
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unsigned char attr;
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attr = 0x0f;
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s = getenv("vga_fg_color");
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if (s)
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{
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attr = atoi(s);
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}
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s = getenv("vga_bg_color");
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if (s)
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{
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attr |= atoi(s)<<4;
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}
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return attr;
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}
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int video_inited = 0;
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int drv_video_init(void)
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{
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int error, devices = 1 ;
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device_t vgadev ;
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if (video_inited) return 1;
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video_inited = 1;
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video_init();
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memset (&vgadev, 0, sizeof(vgadev));
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strcpy(vgadev.name, VIDEO_NAME);
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vgadev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_SYSTEM;
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vgadev.putc = video_putc;
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vgadev.puts = video_puts;
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vgadev.getc = NULL;
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vgadev.tstc = NULL;
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vgadev.start = video_start;
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error = device_register (&vgadev);
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if (error == 0)
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{
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char *s = getenv("stdout");
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if (s && strcmp(s, VIDEO_NAME)==0)
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{
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if (overwrite_console()) return 1;
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error = console_assign(stdout, VIDEO_NAME);
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if (error == 0) return 1;
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else return error;
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}
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return 1;
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}
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return error;
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}
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int video_init(void)
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{
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cursor_position = VIDEO_BASE; // Color text display base
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cursor_row = 0;
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cursor_col = 0;
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current_attr = video_get_attr(); // Currently selected value for attribute.
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// video_test();
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video_set_color(current_attr);
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return 0;
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}
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void video_set_cursor(int line, int column)
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{
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unsigned short offset = line*video_numcols + column;
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cursor_position = VIDEO_BASE + line*VIDEO_PITCH + column*2;
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out_byte(0x3D4, 0x0E);
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out_byte(0x3D5, offset/256);
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out_byte(0x3D4, 0x0F);
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out_byte(0x3D5, offset%256);
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}
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void video_write_char(int character)
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{
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*cursor_position = character;
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*(cursor_position+1) = current_attr;
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}
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void video_test(void)
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{
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}
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void video_putc(char ch)
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{
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switch(ch)
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{
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case '\n':
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cursor_col = 0;
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cursor_row += 1;
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break;
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case '\r':
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cursor_col = 0;
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break;
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case '\b':
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if (cursor_col) cursor_col--;
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else return;
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break;
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case '\t':
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cursor_col = (cursor_col/8+1)*8;
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break;
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default:
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video_write_char(ch);
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cursor_col++;
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if (cursor_col > VIDEO_COLS-1)
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{
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cursor_row++;
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cursor_col=0;
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}
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}
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if (cursor_row > VIDEO_ROWS-1)
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video_scroll(1);
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video_set_cursor(cursor_row, cursor_col);
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}
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void video_scroll(int rows)
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{
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unsigned short clear = ((unsigned short)current_attr) | (' '<<8);
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unsigned short* addr16 = &((unsigned short *)VIDEO_BASE)[(VIDEO_ROWS-rows)*VIDEO_COLS];
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int i;
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char *s;
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s = getenv("vga_askscroll");
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video_scrolls += rows;
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if (video_scrolls >= video_numrows)
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{
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if (s && strcmp(s, "yes"))
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{
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while (-1 == tstc());
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}
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video_scrolls = 0;
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}
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memcpy(VIDEO_BASE, VIDEO_BASE+rows*(VIDEO_COLS*2), (VIDEO_ROWS-rows)*(VIDEO_COLS*2));
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for (i = 0 ; i < rows * VIDEO_COLS ; i++)
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addr16[i] = clear;
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cursor_row-=rows;
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cursor_col=0;
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}
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void video_puts(char *string)
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{
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while (*string)
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{
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video_putc(*string);
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string++;
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}
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}
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int video_start(void)
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{
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return 0;
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}
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unsigned char video_single_box[] =
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{
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218, 196, 191,
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179, 179,
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192, 196, 217
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};
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unsigned char video_double_box[] =
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{
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201, 205, 187,
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186, 186,
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200, 205, 188
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};
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unsigned char video_single_title[] =
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{
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195, 196, 180, 180, 195
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};
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unsigned char video_double_title[] =
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{
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204, 205, 185, 181, 198
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};
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#define SINGLE_BOX 0
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#define DOUBLE_BOX 1
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unsigned char *video_addr(int x, int y)
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{
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return VIDEO_BASE + 2*(VIDEO_COLS*y) + 2*x;
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}
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void video_bios_print_string(char *s, int x, int y, int attr, int count)
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{
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int cattr = current_attr;
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if (attr != -1) current_attr = attr;
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video_set_cursor(x,y);
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while (count)
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{
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char c = *s++;
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if (attr == -1) current_attr = *s++;
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video_putc(c);
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count--;
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}
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}
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void video_draw_box(int style, int attr, char *title, int separate, int x, int y, int w, int h)
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{
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unsigned char *fb, *fb2;
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unsigned char *st = (style == SINGLE_BOX)?video_single_box : video_double_box;
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unsigned char *ti = (style == SINGLE_BOX)?video_single_title : video_double_title;
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int i;
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fb = video_addr(x,y);
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*(fb) = st[0];
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*(fb+1) = attr;
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fb += 2;
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fb2 = video_addr(x,y+h-1);
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*(fb2) = st[5];
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*(fb2+1) = attr;
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fb2 += 2;
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for (i=0; i<w-2;i++)
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{
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*fb = st[1];
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fb++;
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*fb = attr;
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fb++;
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*fb2 = st[6];
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fb2++;
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*fb2 = attr;
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fb2++;
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}
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*fb = st[2];
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*(fb+1) = attr;
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*fb2 = st[7];
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*(fb2+1) = attr;
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fb = video_addr(x, y+1);
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fb2 = video_addr(x+w-1, y+1);
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for (i=0; i<h-2; i++)
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{
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*fb = st[3];
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*(fb+1) = attr; fb += 2*VIDEO_COLS;
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*fb2 = st[4];
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*(fb2+1) = attr; fb2 += 2*VIDEO_COLS;
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}
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// Draw title
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if (title)
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{
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if (separate == 0)
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{
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fb = video_addr(x+1, y);
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*fb = ti[3];
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fb += 2;
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*fb = ' ';
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fb += 2;
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while (*title)
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{
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*fb = *title;
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fb ++;
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*fb = attr;
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fb++; title++;
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}
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*fb = ' ';
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fb += 2;
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*fb = ti[4];
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}
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else
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{
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fb = video_addr(x, y+2);
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*fb = ti[0];
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fb += 2;
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for (i=0; i<w-2; i++)
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{
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*fb = ti[1];
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*(fb+1) = attr;
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fb += 2;
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}
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*fb = ti[2];
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*(fb+1) = attr;
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fb = video_addr(x+1, y+1);
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for (i=0; i<w-2; i++)
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{
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*fb = ' ';
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*(fb+1) = attr;
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fb += 2;
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}
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fb = video_addr(x+2, y+1);
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while (*title)
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{
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*fb = *title;
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*(fb+1) = attr;
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fb += 2;
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title++;
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}
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}
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}
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}
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void video_draw_text(int x, int y, int attr, char *text)
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{
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unsigned char *fb = video_addr(x,y);
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while (*text)
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{
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*fb++ = *text++;
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*fb++ = attr;
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}
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}
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void video_save_rect(int x, int y, int w, int h, void *save_area, int clearchar, int clearattr)
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{
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unsigned char *save = (unsigned char *)save_area;
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unsigned char *fb = video_addr(x,y);
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int i,j;
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for (i=0; i<h; i++)
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{
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unsigned char *fbb = fb;
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for (j=0; j<w; j++)
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{
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*save ++ = *fb;
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if (clearchar > 0) *fb = clearchar;
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fb ++;
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*save ++ = *fb;
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if (clearattr > 0) *fb = clearattr;
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}
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fb = fbb + 2*VIDEO_COLS;
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}
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}
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void video_restore_rect(int x, int y, int w, int h, void *save_area)
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{
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unsigned char *save = (unsigned char *)save_area;
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unsigned char *fb = video_addr(x,y);
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int i,j;
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for (i=0; i<h; i++)
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{
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unsigned char *fbb = fb;
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for (j=0; j<w; j++)
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{
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*fb ++ = *save ++;
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*fb ++ = *save ++;
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}
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fb = fbb + 2*VIDEO_COLS;
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}
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}
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int video_rows(void)
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{
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return VIDEO_ROWS;
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}
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int video_cols(void)
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{
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return VIDEO_COLS;
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}
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void video_size(int cols, int rows)
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{
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video_numrows = rows;
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video_numcols = cols;
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}
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void video_clear(void)
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{
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unsigned short *fbb = (unsigned short *)0xFD0B8000;
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int i,j;
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unsigned short val = 0x2000 | current_attr;
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for (i=0; i<video_rows(); i++)
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{
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for (j=0; j<video_cols(); j++)
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{
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*fbb++ = val;
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}
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}
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video_set_cursor(0,0);
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cursor_row = 0;
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cursor_col = 0;
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}
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#ifdef EASTEREGG
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int video_easteregg_active = 0;
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void video_easteregg(void)
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{
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video_easteregg_active = 1;
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}
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#endif
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extern block_dev_desc_t * ide_get_dev(int dev);
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extern char version_string[];
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void video_banner(void)
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{
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block_dev_desc_t *ide;
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DECLARE_GLOBAL_DATA_PTR;
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int i;
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char *s;
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int maxdev;
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if (video_inited == 0) return;
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#ifdef EASTEREGG
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if (video_easteregg_active)
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{
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prompt_string="";
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video_clear();
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printf("\n");
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printf(" **** COMMODORE 64 BASIC X2 ****\n\n");
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printf(" 64K RAM SYSTEM 38911 BASIC BYTES FREE\n\n");
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printf("READY\n");
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}
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else
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{
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#endif
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s = getenv("ide_maxbus");
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if (s)
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maxdev = atoi(s) * 2;
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else
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maxdev = 4;
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s = getenv("stdout");
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if (s && strcmp(s, "serial") == 0)
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return;
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video_clear();
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printf("%s\n\nCPU: ", version_string);
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checkcpu();
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printf("DRAM: %ld MB\n", gd->bd->bi_memsize/(1024*1024));
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printf("FSB: %ld MHz\n", gd->bd->bi_busfreq/1000000);
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printf("\n---- Disk summary ----\n");
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for (i = 0; i < maxdev; i++)
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{
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ide = ide_get_dev(i);
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printf("Device %d: ", i);
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dev_print(ide);
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}
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/*
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video_draw_box(SINGLE_BOX, 0x0F, "Test 1", 0, 0,18, 72, 4);
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video_draw_box(DOUBLE_BOX, 0x0F, "Test 2", 1, 4,10, 50, 6);
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video_draw_box(DOUBLE_BOX, 0x0F, "Test 3", 0, 40, 3, 20, 5);
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video_draw_text(1, 4, 0x2F, "Highlighted options");
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video_draw_text(1, 5, 0x0F, "Non-selected option");
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video_draw_text(1, 6, 0x07, "disabled option");
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*/
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#ifdef EASTEREGG
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}
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#endif
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}
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