ph00524: add emulator

modules/ph00524/emu/main.go

@@ -0,0 +1,83 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"golang.org/x/term"
+)
+
+func main() {
+	ctrl := newEvacuationController("../eeprom/Vac-ours FK-U12.bin")
+
+	// Switch stdin into 'raw' mode.
+	oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	defer term.Restore(int(os.Stdin.Fd()), oldState)
+
+	// Keyboard input channel, byte at a time.
+	kbdC := make(chan byte)
+	go func() {
+		for {
+			b := make([]byte, 1)
+			_, err = os.Stdin.Read(b)
+			if err == nil {
+				kbdC <- b[0]
+			}
+		}
+	}()
+
+	t := time.Now()
+
+	// Countdown timers for simulating a button press.
+	pumpdownButton := time.Duration(0)
+	ventButton := time.Duration(0)
+
+	lastPrint := time.Now()
+
+	fmt.Print("\033[H\033[2J")
+	for {
+		dt := time.Since(t)
+		t = time.Now()
+		if !ctrl.step(dt) {
+			break
+		}
+
+		select {
+		case b := <-kbdC:
+			switch b {
+			case 'p':
+				pumpdownButton = time.Millisecond * 1000
+			case 'v':
+				ventButton = time.Millisecond * 1000
+			case 'q':
+				return
+			}
+		default:
+		}
+
+		ctrl.pressPumpdown(pumpdownButton > 0)
+		if pumpdownButton > 0 {
+			pumpdownButton -= dt
+		}
+		ctrl.pressVent(ventButton > 0)
+		if ventButton > 0 {
+			ventButton -= dt
+		}
+
+		if time.Since(lastPrint) > time.Millisecond*10 {
+			lastPrint = time.Now()
+			fmt.Print("\033[1;1H")
+			fmt.Printf("Controls: [v] vent, [p] pumpdown, [q] quit\r\n")
+			fmt.Printf("PC %04x\r\n", ctrl.lastIOPC)
+			fmt.Printf("%s\r\n", ctrl.getIndcators().String())
+			fmt.Printf("%s %s\r\n", ctrl.m1.status("M1"), ctrl.m2.status("M2"))
+			fmt.Printf("%s %s\r\n", ctrl.m1.barrier.status(), ctrl.m2.barrier.status())
+			fmt.Print("\r\n")
+		}
+	}
+}