From 0e3c6f8e736e51780ff92cf539198ff47fd038e7 Mon Sep 17 00:00:00 2001
From: Alex <alexftaber@gmail.com>
Date: Tue, 30 Oct 2018 20:52:32 -0400
Subject: [PATCH] Major bugfix and minor bugfix

---
 main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/main.c b/main.c
index 7a17638..c6b0f45 100644
--- a/main.c
+++ b/main.c
@@ -285,12 +285,14 @@ int main(int argc, char **argv) {
 
 			case 0xC000: // random generator
 				reg = (opcode & 0x0F00) >> 8;
-				state.registers[reg] = (rand() % 255) & ((byte) opcode);
+				state.registers[reg] = (rand() % 256) & ((byte) opcode);
 				if (DEBUG) printf("Storing random in %i (%x)\n", reg, state.registers[reg]);
 
 				break;
 
 			case 0xD000: // draw sprite
+				state.registers[0xF] = 0;
+
 				first = (opcode & 0x0F00) >> 8;
 				second = (opcode & 0x00F0) >> 4;