added license information

3 files changed, 46 insertions, 29 deletions

diff --git a/chip8.c b/chip8.c
index 97d67ff..f64a207 100644
--- a/chip8.c
+++ b/chip8.c
@@ -1,3 +1,18 @@
+/*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ *(at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include "chip8.h"
 
 uint16_t opcode;		// 2 byte opcode
diff --git a/chip8.h b/chip8.h
index 6d59ea8..d19f439 100644
--- a/chip8.h
+++ b/chip8.h
@@ -1,3 +1,18 @@
+/*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ *(at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef CHIP8_H
 #define CHIP8_H
 
diff --git a/main.c b/main.c
index b00d5b2..876fc1a 100644
--- a/main.c
+++ b/main.c
@@ -1,3 +1,18 @@
+/*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ *(at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <SDL2/SDL.h>
@@ -205,41 +220,13 @@ int main(int argc, char *argv[])
 
 	init_video();
 
-	const int fps = 900;
+	const int fps = 300;
 	const int frame_delay = 1000/fps;
 	uint32_t  frame_start;
 	uint32_t frame_time;
 
 	int do_quit = 0;
 
-	/*
-	chip8_draw_sprite(0, 0, 0xD*5, 0x5);
-	chip8_draw_sprite(5, 0, 0xE*5, 0x5);
-	chip8_draw_sprite(10, 0, 0xA*5, 0x5);
-	chip8_draw_sprite(15, 0, 0xD*5, 0x5);
-	chip8_draw_sprite(20, 0, 0xB*5, 0x5);
-	chip8_draw_sprite(25, 0, 0xE*5, 0x5);
-	chip8_draw_sprite(30, 0, 0xE*5, 0x5);
-	chip8_draw_sprite(35, 0, 0xf*5, 0x5);
-
-	chip8_draw_sprite(0,  9, 0xD*5, 0x5);
-	chip8_draw_sprite(5,  9, 0xE*5, 0x5);
-	chip8_draw_sprite(10, 9, 0xA*5, 0x5);
-	chip8_draw_sprite(15, 9, 0xD*5, 0x5);
-	chip8_draw_sprite(20, 9, 0xB*5, 0x5);
-	chip8_draw_sprite(25, 9, 0xE*5, 0x5);
-	chip8_draw_sprite(30, 9, 0xE*5, 0x5);
-	chip8_draw_sprite(35, 9, 0xf*5, 0x5);
-
-	chip8_draw_sprite(0, 20, 0x200, 0x6);
-	chip8_draw_sprite(8, 20, 0x200, 0x6);
-	chip8_draw_sprite(16, 20, 0x200, 0x6);
-	chip8_draw_sprite(18, 20, 0x200, 0x6);
-
-	chip8_draw_sprite(61, 25, 0x200, 0x6);
-	chip8_draw_sprite(50, 30, 0x200, 0x6);
-	*/
-
 	while(!do_quit)
 	{
 		frame_start = SDL_GetTicks();