chip8

commit aef1b8f0a13635a0a33963aaae46671a720f150d
parent 3b13ad3e93cdee896f7e7a06218a763ffe367f3b
Author: Léo Villeveygoux <l@vgx.fr>
Date:   Fri, 10 May 2019 18:59:03 +0200

Move display() definition before step()

Diffstat:
M
chip8.c
 | 
17
+++++++----------

1 file changed, 7 insertions(+), 10 deletions(-)
diff --git a/chip8.c b/chip8.c
@@ -137,7 +137,13 @@ char char_sprites[80] = {
 #define I_X(instr) ((instr)[0]&15u)
 #define I_Y(instr) ((instr)[1]>>4u)
 
-void display();
+static void display(){
+	for(int y=0 ; y<32 ; y++){
+		for(int x=0 ; x<64 ; x++){
+			draw(x, y, SCREEN[y*8+x/8]&1<<(7-x%8) ? 1:0);
+		}
+	}
+}
 
 void step(){
 	unsigned char instr[2] = {RAM[PC], RAM[PC+1]};
@@ -332,16 +338,7 @@ void step(){
 
 }
 
-void display(){
-	for(int y=0 ; y<32 ; y++){
-		for(int x=0 ; x<64 ; x++){
-			draw(x, y, SCREEN[y*8+x/8]&1<<(7-x%8) ? 1:0);
-		}
-	}
-}
-
 int main(int argc, char **argv){
-
 	/* Set up char sprites */	
 	memcpy(RAM+CHAR_SPRITES_OFFSET, char_sprites, sizeof(char_sprites));