SHREC

The Saturn Homebrew Repository for Example Code, or SHREC, strives to provide working examples of code necessary to create homebrew games for the Sega Saturn using tools currently available for free online.

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demo - printf

This demo demonstrates the use of the Jo Engine print related functions.

main.c:

/*
** Jo Sega Saturn Engine
** Copyright (c) 2012-2013, Johannes Fetz (johannesfetz@gmail.com)
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
**     * Redistributions of source code must retain the above copyright
**       notice, this list of conditions and the following disclaimer.
**     * Redistributions in binary form must reproduce the above copyright
**       notice, this list of conditions and the following disclaimer in the
**       documentation and/or other materials provided with the distribution.
**     * Neither the name of the Johannes Fetz nor the
**       names of its contributors may be used to endorse or promote products
**       derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
** DISCLAIMED. IN NO EVENT SHALL Johannes Fetz BE LIABLE FOR ANY
** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <jo/jo.h>

static jo_font      *my_font;

void			    my_draw(void)
{
    jo_datetime     now;

    /* See jo/colors.h to know palette color indexes */
    jo_set_printf_color_index(JO_COLOR_INDEX_Red);
    jo_getdate(&now);
    jo_printf(0, 0, "Date: %d/%d/%d    ", now.day, now.month, now.year);
    jo_printf(0, 1, "Time: %d:%d:%d    ", now.hour, now.minute, now.second);
    jo_set_printf_color_index(JO_COLOR_INDEX_Green);
    jo_printf(0, 3, "It works !!!");
    jo_set_printf_color_index(JO_COLOR_INDEX_Blue);
    jo_printf(0, 4, "Hex value of 42: %x", 42);
    jo_set_printf_color_index(JO_COLOR_INDEX_Purple);
    jo_printf(0, 5, "Dynamic memory usage: %d%%  ", jo_memory_usage_percent());
    // Use jo_font_printf if you want to use top-left screen coordinates
    jo_font_printf_centered(my_font, 0, 0, 1.0f, "SCORE = %d",  42);
}

void			jo_main(void)
{
	jo_core_init(JO_COLOR_White);
    my_font = jo_font_load(JO_ROOT_DIR, "FONT.TGA", JO_COLOR_Green, 8, 8, 2, "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ!\"?=%&',.()*+-/");
	jo_core_add_callback(my_draw);
	jo_core_run();
}

/*
** END OF FILE
*/

(This page is on hold until an apprent error in code, texture files, or emulation is resolved.)

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