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main.go
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main.go
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package main
import (
"bufio"
"fmt"
"io"
"os"
"github.com/sc-js/go_nes/bus"
"github.com/sc-js/go_nes/cartridge"
"github.com/sc-js/go_nes/window"
)
func main() {
cartridge := cartridge.Cartridge{}
cartridge.Initialize("./nestest.nes")
bus := bus.Bus{}
bus.InsertCartidge(&cartridge)
sdlController := window.SDLController{Bus: &bus}
bus.Initialize(&sdlController.ScreenTransfer)
go bus.Boot()
//go loadROM("./nt.nes", &bus)
if err := sdlController.Initialize(256*window.UPRES, 240*window.UPRES, "cmgc"); err != nil {
panic(err)
}
sdlController.Run()
}
func loadROM(path string, b *bus.Bus) {
f, err := os.Open(path)
if err != nil {
panic(err)
}
defer f.Close()
reader := bufio.NewReader(f)
buf := make([]byte, 1000000)
for {
_, err := reader.Read(buf)
if err != nil {
if err != io.EOF {
fmt.Println(err)
}
break
}
}
for i := 0; i < 0x4000; i++ {
b.CPURAM[0x8000+i] = buf[0x0010+i]
b.CPURAM[0xC000+i] = buf[0x0010+i]
}
b.CPU.Disassemble(0x8000, 0xFFFF)
b.CPU.Reset()
b.CPU.SetPC(0xC000)
for n := 0; n < 0; n++ {
for {
b.CPU.Clock()
if b.CPU.GetCycles() == 0 {
break
}
}
}
}
/*
func runAssembly(con *window.SDLController, bus *bus.Bus) {
time.Sleep(time.Second)
hex := []string{"A2", "0A", "8E", "00", "00", "A2", "03", "8E", "01", "00", "AC", "00", "00", "A9", "00", "18", "6D", "01", "00", "88", "D0", "FA", "8D", "02", "00", "EA", "EA", "EA"}
offset := 0
for _, h := range hex {
value, _ := strconv.ParseInt(h, 16, 64)
bus.RAM[0x8000+offset] = uint8(value)
offset++
}
bus.CPU.Disassemble(0x0000, 0xFFFF)
bus.CPU.Reset()
bus.RAM[0xFFFC] = 0x00
bus.RAM[0xFFFD] = 0x80
fmt.Println("Start PC, RAM[PC]")
fmt.Println(bus.CPU.PC(), bus.RAM[bus.CPU.PC()])
fmt.Println()
for n := 0; n < 120; n++ {
for {
bus.CPU.Clock()
if bus.CPU.GetCycles() == 0 {
break
}
time.Sleep(time.Millisecond * 100)
}
}
}
*/