X-Git-Url: https://deadsoftware.ru/gitweb?a=blobdiff_plain;f=rtl%2FSYSTEM.java;h=ce1b50621e447042154ad9d70dc11136278673ff;hb=7b989fe6cfb3cf6e529b888bb6827714c45c62c6;hp=38f488694a9b8996766edfa36d342f7a00b33a3c;hpb=6d3cfbfd343c0d069896734e32a8c490f27cb7aa;p=dsw-obn.git

diff --git a/rtl/SYSTEM.java b/rtl/SYSTEM.java
index 38f4886..ce1b506 100644
--- a/rtl/SYSTEM.java
+++ b/rtl/SYSTEM.java
@@ -17,16 +17,34 @@ public class SYSTEM
 		return i;
 	}
 
+	public static String STRING(byte[] x)
+	{
+		return new String(x, 0, LEN(x));
+	}
+
 	public static void COPY(byte[] x, byte[] v)
 	{
-		int len_x = LEN(x);
-		int len_v = v.length - 1;
-		int len = (len_x < len_v) ? (len_x) : (len_v);
-		for(int i = 0; i < len; i++)
+		int ix = LEN(x);
+		int iv = v.length - 1;
+
+		int i = 0;
+		int len = (ix < iv) ? (ix) : (iv);
+		while(i < len)
 		{
 			v[i] = x[i];
+			i += 1;
+		}
+		v[i] = 0;
+	}
+
+	public static int STRCMP(byte[] a, byte[] b)
+	{
+		int i = 0;
+		while(a[i] != 0 && a[i] == b[i])
+		{
+			i += 1;
 		}
-		v[len] = 0;
+		return a[i] - b[i];
 	}
 
 	public static void HALT(long n)
@@ -43,4 +61,24 @@ public class SYSTEM
 	{
 		assert x : n;
 	}
+
+	public static void TRAP(long n)
+	{
+		if(n == -1)
+		{
+			throw new RuntimeException("CASE TRAP");
+		}
+		else if(n == -2)
+		{
+			throw new RuntimeException("WITH TRAP");
+		}
+		else if(n == -3)
+		{
+			throw new RuntimeException("NOT IMPLEMENTED");
+		}
+		else
+		{
+			throw new RuntimeException("TRAP CODE " + n);
+		}
+	}
 }