/
main.go
73 lines (55 loc) · 1.3 KB
/
main.go
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package main
import (
"fmt"
"io/ioutil"
"os"
"github.com/gilmae/chip8/chip8"
"github.com/veandco/go-sdl2/sdl"
)
var (
winHeight int32 = 32 * 10
winWidth int32 = 64 * 10
)
func main() {
err := sdl.Init(sdl.INIT_EVERYTHING)
if err != nil {
panic(err)
}
defer sdl.Quit()
sdl.SetHint(sdl.HINT_RENDER_SCALE_QUALITY, "0")
window, err := sdl.CreateWindow("Chip-8", sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED, winWidth, winHeight, sdl.WINDOW_SHOWN)
if err != nil {
panic(err)
}
defer window.Destroy()
r, err := sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
if err != nil {
panic(err)
}
defer r.Destroy()
tex, err := r.CreateTexture(sdl.PIXELFORMAT_ABGR8888, sdl.TEXTUREACCESS_STATIC, winWidth, winHeight)
if err != nil {
panic(err)
}
defer tex.Destroy()
renderer := chip8.NewSdlRenderer(winWidth, winHeight, window, r, tex)
defer renderer.Close()
keyboard := chip8.NewKeyboard()
cpu := chip8.NewCpu(keyboard, renderer)
if len(os.Args) < 2 {
fmt.Fprintf(os.Stderr, "error: %s\n", err)
os.Exit(2)
}
filepath := os.Args[1]
program, err := ioutil.ReadFile(filepath)
if err != nil {
fmt.Fprintf(os.Stderr, "error: %s\n", err)
os.Exit(3)
}
_, err = cpu.LoadBytes(program)
if err != nil {
fmt.Fprintf(os.Stderr, "error: %s\n", err)
os.Exit(4)
}
cpu.Run()
}