Merge pull request #1 from jwt2706/dev

Dev

BUILD

@@ -1,11 +1,15 @@
 cc_library(
     name = "chip8",
-    srcs = ["chip8.c"],
-    hdrs = ["chip8.h"],
+    srcs = glob(["src/*.c"]),
+    hdrs = glob(["include/*.h"]),
+    includes = ["include"],
 )
 
 cc_binary(
     name = "main",
-    srcs = ["main.c"],
-    deps = [":chip8"],
+    srcs = ["src/main.c"],
+    deps = [
+        ":chip8",
+        "@SDL2//:SDL2",
+    ],
 )

README.md

@@ -1 +1 @@
-# CHIP-8 Emulator
+# CHIP-8 <s>Emulator</s> Interpreter

WORKSPACE

@@ -0,0 +1,16 @@
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+http_archive(
+    name = "SDL2",
+    urls = ["https://www.libsdl.org/release/SDL2-2.0.14.tar.gz"],
+    sha256 = "d8215b571a581be1332d2106f8036fcb03d12a70bae01e20f424976d275432bc",
+    build_file_content = """
+cc_library(
+    name = "SDL2",
+    srcs = glob(["SDL2-2.0.14/src/*.c", "SDL2-2.0.14/include/*.h"]),
+    hdrs = glob(["SDL2-2.0.14/include/*.h"]),
+    includes = ["SDL2-2.0.14/include"],
+    visibility = ["//visibility:public"],
+)
+"""
+)

src/chip8.c

@@ -0,0 +1,19 @@
+#include "chip8.h"
+
+// CHIP-8 system variables
+// (NOTE: chars are 8-bits, shorts are 16-bits)
+struct chip8 {
+    unsigned short opcode; // current operation code
+    unsigned char memory[4096]; // the CHIP-8 system has 4KB of memory
+    unsigned char V[16]; // 16 general purpose 8-bit registers
+    unsigned short I; // memory address
+    unsigned short pc; // program counter
+    unsigned char gfx[64 * 32]; // for the monochrome display (size of 64 * 32 pixels)
+    unsigned char delay_timer; // self explanatory
+    unsigned char sound_timer; // also self explanatory
+    unsigned short stack[16]; // stack with 16 levels
+    unsigned short sp; // stack pointer
+    unsigned char key[16]; // keypad
+};
+
+struct chip8 chip8;