From 50f23c8c394338fc48f825e5b61303d4ac0360db Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Fri, 19 Dec 2003 01:14:08 +0000
Subject: Added basic GFX wrapper

---
 src/Makefile |   10 +-
 src/config.c |  170 +++++++++
 src/config.h |   68 ++++
 src/emma.c   |   39 ++-
 src/ezx81.c  |   48 ---
 src/font.h   | 1102 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/gfx.c    |  290 ++++++++++++++++
 src/gfx.h    |  120 +++++++
 src/main.c   |  114 ++++++
 src/zx81.c   |   35 +-
 src/zx81.h   |   16 +-
 11 files changed, 1934 insertions(+), 78 deletions(-)
 create mode 100644 src/config.c
 create mode 100644 src/config.h
 delete mode 100644 src/ezx81.c
 create mode 100644 src/font.h
 create mode 100644 src/gfx.c
 create mode 100644 src/gfx.h
 create mode 100644 src/main.c

(limited to 'src')

diff --git a/src/Makefile b/src/Makefile
index 5ebcd48..2d87ddc 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -18,7 +18,7 @@
 # 
 # -------------------------------------------------------------------------
 # 
-# $Id: Makefile,v 1.2 2003-12-17 16:55:42 ianc Exp $
+# $Id: Makefile,v 1.3 2003-12-19 01:14:08 ianc Exp $
 # 
 
 
@@ -32,12 +32,16 @@ TARGET	=	ezx81
 
 Z80LIB	=	z80/z80.a
 
-SOURCE	=	ezx81.c		\
+SOURCE	=	main.c		\
 		zx81.c		\
+		config.c	\
+		gfx.c		\
 		exit.c
 
-OBJECTS	=	ezx81.o		\
+OBJECTS	=	main.o		\
 		zx81.o		\
+		config.o	\
+		gfx.o		\
 		exit.o
 
 EMMA	=	emma
diff --git a/src/config.c b/src/config.c
new file mode 100644
index 0000000..edff062
--- /dev/null
+++ b/src/config.c
@@ -0,0 +1,170 @@
+/*
+
+    ezx81 - X11 ZX81 emulator
+
+    Copyright (C) 2003  Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    -------------------------------------------------------------------------
+
+    Config file
+
+*/
+static const char ident[]="$Id$";
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "exit.h"
+#include "config.h"
+
+static const char ident_h[]=EZX81_CONFIG_H;
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+
+/* ---------------------------------------- CONFIG
+*/
+static char	rompath[FILENAME_MAX]="zx81.rom";
+static int	fullscreen=FALSE;
+static int	memsize=16;
+static int	frames=50;
+static int	scale=1;
+
+static const struct
+{
+    const char	*name;
+    void	*var;
+    int		is_int;
+} config[]= {
+		{"rompath",	rompath,	FALSE},
+		{"fullscreen",	&fullscreen,	TRUE},
+		{"memsize",	&memsize,	TRUE},
+		{"frames",	&frames,	TRUE},
+		{"scale",	&scale,		TRUE},
+		{NULL,		NULL,		FALSE}
+	    };
+
+
+/* ---------------------------------------- PRIVATE FUNCTIONS
+*/
+static void Parse(FILE *fp)
+{
+    char buff[1024];
+
+    while(fgets(buff,sizeof buff,fp))
+    {
+    	size_t l;
+
+	l=strlen(buff);
+
+	if (buff[l-1]=='\n')
+	    buff[--l]=0;
+
+	if (l>0 && buff[0]!='#')
+	{
+	    char *t1=NULL;
+	    char *t2=NULL;
+
+	    t1=strtok(buff,"\t");
+	    t2=strtok(NULL,"\t");
+
+	    if (t2)
+	    {
+	    	int f;
+
+		for(f=0;config[f].name;f++)
+		{
+		    if (strcmp(config[f].name,t1)==0)
+		    {
+			if (config[f].is_int)
+			{
+			    int *i;
+
+			    i=config[f].var;
+			    *i=atoi(t2);
+			}
+			else
+			{
+			    char *p;
+
+			    p=config[f].var;
+			    strcpy(p,t2);
+			}
+		    }
+		}
+	    }
+	    else
+	    {
+	    	fprintf(stderr,"Ignored bad config: %s %s\n",t1,t2 ? t2:"");
+	    }
+	}
+    }
+}
+
+
+/* ---------------------------------------- EXPORTED INTERFACES
+*/
+void ConfigRead(void)
+{
+    FILE *fp;
+    char path[FILENAME_MAX]={0};
+
+    if (getenv("HOME"))
+    	strcpy(path,getenv("HOME"));
+
+    strcat(path,"/.ezx81");
+
+    if ((fp=fopen(path,"r")))
+    {
+    	Parse(fp);
+	fclose(fp);
+    }
+}
+
+
+int IConfig(IConfigVar v)
+{
+    static const int *vars[]=
+    		{
+		    &fullscreen,
+		    &memsize,
+		    &frames,
+		    &scale
+		};
+
+    return *vars[v];
+}
+
+
+const char *SConfig(SConfigVar v)
+{
+    static const char *vars[]=
+    		{
+		    rompath
+		};
+
+    return vars[v];
+}
+
+
+/* END OF FILE */
diff --git a/src/config.h b/src/config.h
new file mode 100644
index 0000000..d655998
--- /dev/null
+++ b/src/config.h
@@ -0,0 +1,68 @@
+/*
+
+    ezx81 - X11 ZX81 emulator
+
+    Copyright (C) 2003  Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    -------------------------------------------------------------------------
+
+    Config file
+
+*/
+
+#ifndef EZX81_CONFIG_H
+#define EZX81_CONFIG_H "$Id$"
+
+
+/* Integer settings
+*/
+typedef enum
+{
+    CONF_FULLSCREEN,
+    CONF_MEMSIZE,
+    CONF_FRAMES_PER_SEC,
+    CONF_SCALE
+} IConfigVar;
+
+
+/* String settings
+*/
+typedef enum
+{
+    CONF_ROMFILE
+} SConfigVar;
+
+
+/* Read config file
+*/
+void		ConfigRead(void);
+
+
+/* Get integer setting
+*/
+int		IConfig(IConfigVar v);
+
+
+/* Get string setting
+*/
+const char	*SConfig(SConfigVar v);
+
+
+#endif
+
+
+/* END OF FILE */
diff --git a/src/emma.c b/src/emma.c
index 6bbf117..6709ec8 100644
--- a/src/emma.c
+++ b/src/emma.c
@@ -36,10 +36,11 @@ static Z80Byte	mem[0x10000];
 
 /* ---------------------------------------- PROTOS
 */
-static Z80Byte	ReadMem(Z80 *z80, Z80Word addr);
-static void	WriteMem(Z80 *z80, Z80Word addr, Z80Byte val);
-static Z80Byte	ReadPort(Z80 *z80, Z80Word addr);
-static void	WritePort(Z80 *z80, Z80Word addr, Z80Byte val);
+static Z80Byte		ReadMem(Z80 *z80, Z80Word addr);
+static void		WriteMem(Z80 *z80, Z80Word addr, Z80Byte val);
+static Z80Byte		ReadPort(Z80 *z80, Z80Word addr);
+static void		WritePort(Z80 *z80, Z80Word addr, Z80Byte val);
+static const char	*Label(Z80 *z80, Z80Word addr);
 
 
 /* ---------------------------------------- MAIN
@@ -47,8 +48,10 @@ static void	WritePort(Z80 *z80, Z80Word addr, Z80Byte val);
 int main(int argc, char *argv[])
 {
     Z80 *z80;
+    FILE *fp;
+    Z80Word pc=0;
 
-    z80=Z80Init(WriteMem,ReadMem,WritePort,ReadPort);
+    z80=Z80Init(WriteMem,ReadMem,WritePort,ReadPort,ReadMem,Label);
 
     if (!z80)
     {
@@ -56,6 +59,23 @@ int main(int argc, char *argv[])
 	return EXIT_FAILURE;
     }
 
+    if ((fp=fopen("/files/emu/ROM/zx81.rom","rb")))
+    {
+    	fread(mem,1,0x10000,fp);
+	fclose(fp);
+    }
+
+    while(1)
+    {
+	Z80Word opc=pc;
+
+    	printf("%4.4x: ",pc);
+    	printf("%s\n",Z80Disassemble(z80,&pc));
+
+	if (pc<opc)
+	    break;
+    }
+
     return EXIT_SUCCESS;
 }
 
@@ -87,4 +107,13 @@ static void WritePort(Z80 *z80, Z80Word addr, Z80Byte val)
 }
 
 
+static const char *Label(Z80 *z80, Z80Word addr)
+{
+    if (addr==0x0a2a)
+    	return "CLS";
+
+    return NULL;
+}
+
+
 /* END OF FILE */
diff --git a/src/ezx81.c b/src/ezx81.c
deleted file mode 100644
index 0b09368..0000000
--- a/src/ezx81.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
-
-    ezx81 - X11 ZX81 emulator
-
-    Copyright (C) 2003  Ian Cowburn (ianc@noddybox.demon.co.uk)
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-
-    -------------------------------------------------------------------------
-
-*/
-static const char id[]="$Id$";
-
-#include <stdlib.h>
-#include <stdio.h>
-
-#include "z80.h"
-
-
-/* ---------------------------------------- PROTOS
-*/
-
-
-/* ---------------------------------------- MAIN
-*/
-int main(int argc, char *argv[])
-{
-    Z80 *z80;
-
-    z80=Z80Init(NULL,NULL,NULL,NULL);
-
-    return EXIT_SUCCESS;
-}
-
-
-/* END OF FILE */
diff --git a/src/font.h b/src/font.h
new file mode 100644
index 0000000..440488b
--- /dev/null
+++ b/src/font.h
@@ -0,0 +1,1102 @@
+/*
+
+    ezx81 - X11 ZX81 emulator
+
+    Copyright (C) 2003  Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    -------------------------------------------------------------------------
+
+    Internal font for gfx routines
+
+*/
+
+#ifndef EZX81_FONT_H
+#define EZX81_FONT_H "$Id$"
+
+typedef unsigned char	FontChar[64];
+
+#define NULLCHARDEF	{0}
+
+
+static const FontChar font[128]=
+{
+	NULLCHARDEF,	/* 00 */
+
+	{		/* 01 FONT_UP_ARROW */
+		0,0,0,1,1,0,0,0,
+		0,0,1,1,1,1,0,0,
+		0,1,1,1,1,1,1,0,
+		1,1,0,1,1,0,1,1,
+		0,0,0,1,1,0,0,0,
+		0,0,0,1,1,0,0,0,
+		0,0,0,1,1,0,0,0,
+		0,0,0,1,1,0,0,0,
+	},
+	{		/* 02 FONT_DOWN_ARROW */
+		0,0,0,1,1,0,0,0,
+		0,0,0,1,1,0,0,0,
+		0,0,0,1,1,0,0,0,
+		0,0,0,1,1,0,0,0,
+		1,1,0,1,1,0,1,1,
+		0,1,1,1,1,1,1,0,
+		0,0,1,1,1,1,0,0,
+		0,0,0,1,1,0,0,0,
+	},
+	{		/* 03 FONT_LEFT_ARROW */
+		0,0,0,1,0,0,0,0,
+		0,0,1,1,0,0,0,0,
+		0,1,1,0,0,0,0,0,
+		1,1,1,1,1,1,1,1,
+		1,1,1,1,1,1,1,1,
+		0,1,1,0,0,0,0,0,
+		0,0,1,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+	},
+	{		/* 04 FONT_RIGHT_ARROW */
+		0,0,0,0,1,0,0,0,
+		0,0,0,0,1,1,0,0,
+		0,0,0,0,0,1,1,0,
+		1,1,1,1,1,1,1,1,
+		1,1,1,1,1,1,1,1,
+		0,0,0,0,0,1,1,0,
+		0,0,0,0,1,1,0,0,
+		0,0,0,0,1,0,0,0,
+	},
+	{		/* 05 FONT_TICK */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,1,
+		0,0,0,0,0,0,1,1,
+		0,0,0,0,0,1,1,0,
+		1,1,0,0,1,1,0,0,
+		0,1,1,1,1,0,0,0,
+		0,0,1,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{		/* 06 FONT_CROSS */
+		0,0,0,0,0,0,0,0,
+		0,1,1,0,0,0,1,1,
+		0,0,1,1,0,1,1,0,
+		0,0,0,1,1,1,0,0,
+		0,0,0,1,1,1,0,0,
+		0,0,1,1,0,1,1,0,
+		0,1,1,0,0,0,1,1,
+		0,0,0,0,0,0,0,0,
+	},
+	{		/* 07 FONT_CURSOR */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		1,1,1,1,1,1,1,1,
+	},
+	{		/* 08 FONT_COPYRIGHT */
+		0,0,1,1,1,0,0,0,
+		0,1,0,0,0,1,0,0,
+		1,0,0,1,1,0,1,0,
+		1,0,1,0,0,0,1,0,
+		1,0,0,1,1,0,1,0,
+		0,1,0,0,0,1,0,0,
+		0,0,1,1,1,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+
+	NULLCHARDEF,	/* 09 */
+	NULLCHARDEF,	/* 0a */
+	NULLCHARDEF,	/* 0b */
+	NULLCHARDEF,	/* 0c */
+	NULLCHARDEF,	/* 0d */
+	NULLCHARDEF,	/* 0e */
+	NULLCHARDEF,	/* 0f */
+	NULLCHARDEF,	/* 10 */
+	NULLCHARDEF,	/* 11 */
+	NULLCHARDEF,	/* 12 */
+	NULLCHARDEF,	/* 13 */
+	NULLCHARDEF,	/* 14 */
+	NULLCHARDEF,	/* 15 */
+	NULLCHARDEF,	/* 16 */
+	NULLCHARDEF,	/* 17 */
+	NULLCHARDEF,	/* 18 */
+	NULLCHARDEF,	/* 19 */
+	NULLCHARDEF,	/* 1a */
+	NULLCHARDEF,	/* 1b */
+	NULLCHARDEF,	/* 1c */
+	NULLCHARDEF,	/* 1d */
+	NULLCHARDEF,	/* 1e */
+	NULLCHARDEF,	/* 1f */
+
+	{              /* 20 ' ' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 21 '!' */
+		0,1,0,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 22 '"' */
+		0,0,1,0,0,1,0,0,
+		0,0,1,0,0,1,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 23 '#' */
+		0,0,1,0,1,0,0,0,
+		0,0,1,0,1,0,0,0,
+		1,1,1,1,1,1,1,0,
+		0,0,1,0,1,0,0,0,
+		1,1,1,1,1,1,1,0,
+		0,0,1,0,1,0,0,0,
+		0,0,1,0,1,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 24 '$' */
+		0,0,0,1,0,0,0,0,
+		0,0,1,1,1,1,0,0,
+		0,1,0,1,0,0,0,0,
+		0,0,1,1,1,0,0,0,
+		0,0,0,1,0,1,0,0,
+		0,1,1,1,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 25 '%' */
+		0,0,0,0,0,0,1,0,
+		0,1,1,0,0,1,0,0,
+		0,1,1,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,1,0,0,0,1,1,0,
+		1,0,0,0,0,1,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 26 '&' */
+		0,1,1,1,0,0,0,0,
+		1,0,0,0,1,0,0,0,
+		1,0,0,0,1,0,0,0,
+		0,1,1,1,0,0,0,0,
+		1,0,0,0,1,0,1,0,
+		1,0,0,0,0,1,0,0,
+		0,1,1,1,1,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 27 ''' */
+		0,0,0,0,0,1,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 28 '(' */
+		0,0,0,0,0,1,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,0,0,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 29 ')' */
+		0,0,1,0,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 2a '*' */
+		0,0,0,1,0,0,0,0,
+		0,1,0,1,0,1,0,0,
+		0,0,1,1,1,0,0,0,
+		1,1,1,1,1,1,1,0,
+		0,0,1,1,1,0,0,0,
+		0,1,0,1,0,1,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 2b '+' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 2c ',' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+	},
+	{              /* 2d '-' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 2e '.' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 2f '/' */
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,0,1,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 30 '0' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,1,1,0,
+		1,0,0,0,1,0,1,0,
+		1,0,0,1,0,0,1,0,
+		1,0,1,0,0,0,1,0,
+		1,1,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 31 '1' */
+		0,0,0,1,0,0,0,0,
+		0,0,1,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,1,1,1,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 32 '2' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 33 '3' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 34 '4' */
+		1,0,0,0,0,0,0,0,
+		1,0,0,1,0,0,0,0,
+		1,0,0,1,0,0,0,0,
+		1,1,1,1,1,1,1,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 35 '5' */
+		1,1,1,1,1,1,1,0,
+		1,0,0,0,0,0,0,0,
+		1,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 36 '6' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,0,0,
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 37 '7' */
+		1,1,1,1,1,1,1,0,
+		0,0,0,0,0,1,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 38 '8' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 39 '9' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 3a ':' */
+		0,0,0,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 3b ';' */
+		0,0,0,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 3c '<' */
+		0,0,0,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 3d '=' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 3e '>' */
+		0,0,1,0,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,0,0,1,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 3f '?' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,1,1,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 40 '@' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,1,1,0,1,0,
+		1,0,1,0,0,0,1,0,
+		1,0,0,1,1,1,0,0,
+		1,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 41 'A' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,1,1,1,1,1,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 42 'B' */
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 43 'C' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 44 'D' */
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 45 'E' */
+		1,1,1,1,1,1,1,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 46 'F' */
+		1,1,1,1,1,1,1,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 47 'G' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,1,1,1,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 48 'H' */
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,1,1,1,1,1,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 49 'I' */
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 4a 'J' */
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 4b 'K' */
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,1,0,0,
+		1,0,0,0,1,0,0,0,
+		1,1,1,1,0,0,0,0,
+		1,0,0,0,1,0,0,0,
+		1,0,0,0,0,1,0,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 4c 'L' */
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 4d 'M' */
+		1,0,0,0,0,0,1,0,
+		1,1,0,0,0,1,1,0,
+		1,0,1,0,1,0,1,0,
+		1,0,0,1,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 4e 'N' */
+		1,0,0,0,0,0,1,0,
+		1,1,0,0,0,0,1,0,
+		1,0,1,0,0,0,1,0,
+		1,0,0,1,0,0,1,0,
+		1,0,0,0,1,0,1,0,
+		1,0,0,0,0,1,1,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 4f 'O' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 50 'P' */
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 51 'Q' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,1,0,1,0,
+		1,0,0,0,0,1,0,0,
+		0,1,1,1,1,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 52 'R' */
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 53 'S' */
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 54 'T' */
+		1,1,1,1,1,1,1,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 55 'U' */
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 56 'V' */
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,0,0,0,1,0,0,
+		0,0,1,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 57 'W' */
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,1,0,0,1,0,
+		1,0,1,0,1,0,1,0,
+		1,1,0,0,0,1,1,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 58 'X' */
+		1,0,0,0,0,0,1,0,
+		0,1,0,0,0,1,0,0,
+		0,0,1,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,1,0,1,0,0,0,
+		0,1,0,0,0,1,0,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 59 'Y' */
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,0,0,0,1,0,0,
+		0,0,1,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+	},
+	{              /* 5a 'Z' */
+		1,1,1,1,1,1,1,0,
+		0,0,0,0,0,1,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		1,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 5b '[' */
+		0,0,1,1,1,1,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 5c '\' */
+		1,0,0,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,0,0,1,0,0,
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 5d ']' */
+		0,0,1,1,1,1,0,0,
+		0,0,0,0,0,1,0,0,
+		0,0,0,0,0,1,0,0,
+		0,0,0,0,0,1,0,0,
+		0,0,0,0,0,1,0,0,
+		0,0,0,0,0,1,0,0,
+		0,0,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 5e '^' */
+		0,0,0,1,0,0,0,0,
+		0,0,1,0,1,0,0,0,
+		0,1,0,0,0,1,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 5f '_' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		1,1,1,1,1,1,1,1,
+	},
+	{              /* 60 '`' */
+		0,0,1,0,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 61 'a' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 62 'b' */
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 63 'c' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 64 'd' */
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 65 'e' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,1,1,1,1,1,1,0,
+		1,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 66 'f' */
+		0,0,1,1,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		1,1,1,1,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 67 'g' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 68 'h' */
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 69 'i' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 6a 'j' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 6b 'k' */
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,1,0,0,
+		1,1,1,1,1,0,0,0,
+		1,0,0,0,0,1,0,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 6c 'l' */
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 6d 'm' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,1,0,0,0,1,0,0,
+		1,0,1,0,1,0,1,0,
+		1,0,0,1,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 6e 'n' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 6f 'o' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 70 'p' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 71 'q' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 72 'r' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 73 's' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,0,0,
+		1,0,0,0,0,0,0,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 74 't' */
+		0,1,0,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		1,1,1,1,0,0,0,0,
+		0,1,0,0,0,0,0,0,
+		0,1,0,0,0,0,1,0,
+		0,0,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 75 'u' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 76 'v' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,0,0,0,1,0,0,
+		0,0,1,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 77 'w' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,1,0,0,1,0,
+		1,0,1,0,1,0,1,0,
+		0,1,0,0,0,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 78 'x' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,1,0,
+		0,1,0,0,0,1,0,0,
+		0,0,1,1,1,0,0,0,
+		0,1,0,0,0,1,0,0,
+		1,0,0,0,0,0,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 79 'y' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		1,0,0,0,0,0,1,0,
+		1,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,1,0,
+		0,1,1,1,1,1,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 7a 'z' */
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		1,1,1,1,1,1,1,0,
+		0,0,0,0,0,1,0,0,
+		0,0,1,1,1,0,0,0,
+		0,1,0,0,0,0,0,0,
+		1,1,1,1,1,1,1,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 7b '{' */
+		0,0,0,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,1,0,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 7c '|' */
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,1,0,0,0,0,
+	},
+	{              /* 7d '}' */
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,0,0,1,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,0,1,0,0,0,
+		0,0,0,1,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+	{              /* 7d '~' */
+		0,1,1,0,0,0,0,0,
+		1,0,0,1,0,0,0,1,
+		0,0,0,0,1,1,1,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+		0,0,0,0,0,0,0,0,
+	},
+
+	NULLCHARDEF,	/* 7f */
+};
+
+
+#endif
+
+
+/* END OF FILE */
diff --git a/src/gfx.c b/src/gfx.c
new file mode 100644
index 0000000..e37a211
--- /dev/null
+++ b/src/gfx.c
@@ -0,0 +1,290 @@
+/*
+
+    ezx81 - X11 ZX81 emulator
+
+    Copyright (C) 2003  Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    -------------------------------------------------------------------------
+
+    Config file
+
+*/
+static const char ident[]="$Id$";
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include "gfx.h"
+#include "exit.h"
+#include "config.h"
+
+#include "font.h"
+
+static const char ident_h[]=EZX81_GFX_H;
+static const char ident_fh[]=EZX81_FONT_H;
+
+
+/* ---------------------------------------- MACROS
+*/
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+#define SCR_W	320
+#define SCR_H	200
+
+#define LOCK	do							\
+		{							\
+		    if (SDL_MUSTLOCK(surface))				\
+		    	if (SDL_LockSurface(surface)<0)			\
+			    Exit("Failed to lock surface: %s\n",	\
+			    		SDL_GetError());		\
+		} while(0)
+
+#define UNLOCK	do							\
+		{							\
+		    if (SDL_MUSTLOCK(surface))				\
+		    	SDL_UnlockSurface(surface);			\
+		} while(0)
+
+
+/* ---------------------------------------- STATICS
+*/
+static SDL_Surface	*surface;
+static Uint32		ticks;
+static Uint32		frame;
+static int		scale;
+
+
+/* ---------------------------------------- PRIVATE FUNCTIONS
+*/
+
+/* Taken from SDL documentation
+*/
+static void putpixel(int x, int y, Uint32 pixel)
+{
+    int bpp;
+    Uint8 *p;
+
+    bpp=surface->format->BytesPerPixel;
+    p=(Uint8 *)surface->pixels+y*surface->pitch+x*bpp;
+
+    switch(bpp)
+    {
+	case 1:
+	    *p=pixel;
+	    break;
+
+	case 2:
+	    *(Uint16 *)p=pixel;
+	    break;
+
+	case 3:
+	    if(SDL_BYTEORDER==SDL_BIG_ENDIAN)
+	    {
+		p[0]=(pixel>>16)&0xff;
+		p[1]=(pixel>>8)&0xff;
+		p[2]=pixel&0xff;
+	    } else
+	    {
+		p[0]=pixel&0xff;
+		p[1]=(pixel>>8)&0xff;
+		p[2]=(pixel>>16)&0xff;
+	    }
+	    break;
+
+	case 4:
+	    *(Uint32 *)p=pixel;
+	    break;
+    }
+}
+
+
+static void DoHLine(int x1, int x2, int y, Uint32 col)
+{
+    for(;x1<=x2;x1++)
+    	putpixel(x1,y,col);
+}
+
+
+static void DoVLine(int x, int y1, int y2, Uint32 col)
+{
+    for(;y1<=y2;y1++)
+    	putpixel(x,y1,col);
+}
+
+
+/* ---------------------------------------- EXPORTED INTERFACES
+*/
+void GFXInit(void)
+{
+    scale=IConfig(CONF_SCALE);
+
+    if (scale<0)
+    	scale=1;
+
+    frame=1000/IConfig(CONF_FRAMES_PER_SEC);
+
+    if (SDL_Init(SDL_INIT_TIMER|SDL_INIT_VIDEO))
+	Exit("Failed to init SDL: %s\n",SDL_GetError());
+
+    if (!(surface=SDL_SetVideoMode
+		(SCR_W,SCR_H,0,IConfig(CONF_FULLSCREEN) ? SDL_FULLSCREEN : 0)))
+	Exit("Failed to open video: %s\n",SDL_GetError());
+
+    SDL_ShowCursor(SDL_DISABLE);
+    SDL_WM_SetCaption("eZX81","eZX81");
+}
+
+
+SDL_Surface *GFXGetSurface(void)
+{
+    return surface;
+}
+
+
+Uint32 GFXRGB(Uint8 r, Uint8 g, Uint8 b)
+{
+    return SDL_MapRGB(surface->format,r,g,b);
+}
+
+
+void GFXClear(Uint32 col)
+{
+    SDL_FillRect(surface,NULL,col);
+}
+
+
+void GFXStartFrame(void)
+{
+    ticks=SDL_GetTicks();
+}
+
+
+void GFXEndFrame(int delay)
+{
+    SDL_UpdateRect(surface,0,0,0,0);
+
+    if (delay)
+    {
+	Uint32 diff;
+
+	diff=SDL_GetTicks()-ticks;
+
+	if (diff<frame)
+	    SDL_Delay(frame-diff);
+    }
+}
+
+
+void GFXPlot(int x, int y, Uint32 col)
+{
+    LOCK;
+
+    putpixel(x,y,col);
+
+    UNLOCK;
+}
+
+
+void GFXRect(int x, int y, int w, int h, Uint32 col, int solid)
+{
+    LOCK;
+
+    if (solid)
+    {
+	SDL_Rect r;
+
+	r.x=x;
+	r.y=y;
+	r.w=w;
+	r.h=h;
+
+	SDL_FillRect(surface,&r,col);
+    }
+    else
+    {
+	DoHLine(x,x+w,y,col);
+	DoHLine(x,x+w,y+h,col);
+	DoVLine(x,y,y+h,col);
+	DoVLine(x+w,y,y+h,col);
+    }
+
+    UNLOCK;
+}
+
+
+void GFXHLine(int x1, int x2, int y, Uint32 col)
+{
+    LOCK;
+    DoHLine(x1,x2,y,col);
+    UNLOCK;
+}
+
+
+void GFXVLine(int x, int y1, int y2, Uint32 col)
+{
+    LOCK;
+    DoVLine(x,y1,y2,col);
+    UNLOCK;
+}
+
+
+void GFXPrint(int x, int y, Uint32 col, const char *format, ...)
+{
+    char buff[257];
+    va_list va;
+    char *p;
+    int sx,sy;
+
+    va_start(va,format);
+    vsprintf(buff,format,va);
+    va_end(va);
+
+    p=buff;
+
+    LOCK;
+
+    while(*p)
+    {
+	for(sy=0;sy<8;sy++)
+	{
+	    if (y+sy<SCR_H && x<SCR_W)
+	    {
+		for(sx=0;sx<8;sx++)
+		{
+		    if (font[(int)*p][sx+sy*8] && x+sx<SCR_W)
+			putpixel(x+sx,y+sy,col);
+		}
+	    }
+	}
+
+	p++;
+	x+=8;
+    }
+
+    UNLOCK;
+}
+
+
+/* END OF FILE */
diff --git a/src/gfx.h b/src/gfx.h
new file mode 100644
index 0000000..b9b353a
--- /dev/null
+++ b/src/gfx.h
@@ -0,0 +1,120 @@
+/*
+
+    ezx81 - X11 ZX81 emulator
+
+    Copyright (C) 2003  Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    -------------------------------------------------------------------------
+
+    Wrapper to SDL
+
+*/
+
+#ifndef EZX81_GFX_H
+#define EZX81_GFX_H "$Id$"
+
+#include "SDL.h"
+
+
+/* ---------------------------------------- CONSTANTS
+*/
+#define FONT_UP_ARROW		'\001'
+#define FONT_DOWN_ARROW		'\002'
+#define FONT_LEFT_ARROW		'\003'
+#define FONT_RIGHT_ARROW	'\004'
+#define FONT_TICK		'\005'
+#define FONT_CROSS		'\006'
+#define FONT_CURSOR		'\007'
+#define FONT_COPYRIGHT		'\010'
+
+
+/* ---------------------------------------- INTERFACES
+*/
+
+/* Initialise
+*/
+void		GFXInit(void);
+
+
+/* Get the SDL_Surface for the screen
+*/
+SDL_Surface	*GFXGetSurface(void);
+
+
+/* Get the pixel value for a colour
+*/
+Uint32		GFXRGB(Uint8 r, Uint8 g, Uint8 b);
+
+
+/* Clear the screen
+*/
+void		GFXClear(Uint32 col);
+
+
+/* Indicate a frame is starting
+*/
+void		GFXStartFrame(void);
+
+
+/* Indicate a frame is done and refreshes the screen
+   If delay is TRUE, sleeps to implement the frames_per_sec config.
+*/
+void		GFXEndFrame(int delay);
+
+
+/*
+    Note that no bound checking (except for GFXPrint()) is done - it is the
+    callers responsibility to plot onscreen.
+*/
+
+/* Plot a point
+*/
+void		GFXPlot(int x, int y, Uint32 col);
+
+
+/* Draw a rectangle
+*/
+void		GFXRect(int x, int y, int w, int h, Uint32 col, int solid);
+
+
+/* Draw an horizontal line
+*/
+void		GFXHLine(int x1, int x2, int y, Uint32 col);
+
+
+/* Draw a vertical line
+*/
+void		GFXVLine(int x, int y1, int y2, Uint32 col);
+
+
+/* Draws text using an internal 8x8 monspaced font.  The only supported
+   characters are 32-126 and the special FONT_xxx characters defined
+   above.  The routine assumes the environment operates with ASCII.
+
+   The co-ord given is the top left of the first character, and characters
+   are drawn transparently.
+
+   Causes undefined behaviour if the generated string from the printf
+   format is longer than 256 characters.
+*/
+void		GFXPrint(int x, int y, Uint32 col, const char *format, ...);
+
+
+#endif
+
+
+/* END OF FILE */
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..edf772f
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,114 @@
+/*
+
+    ezx81 - X11 ZX81 emulator
+
+    Copyright (C) 2003  Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    -------------------------------------------------------------------------
+
+*/
+static const char id[]="$Id$";
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "SDL.h"
+
+#include "z80.h"
+#include "zx81.h"
+#include "gfx.h"
+#include "config.h"
+#include "exit.h"
+
+
+/* ---------------------------------------- MACROS
+*/
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+
+/* ---------------------------------------- STATICS
+*/
+static Uint32	white;
+static Uint32	black;
+static Uint32	grey;
+
+
+/* ---------------------------------------- PROTOS
+*/
+
+
+/* ---------------------------------------- MAIN
+*/
+int main(int argc, char *argv[])
+{
+    Z80 *z80;
+
+    ConfigRead();
+
+    ZX81Init();
+
+    z80=Z80Init(ZX81WriteMem,
+    		ZX81ReadMem,
+		ZX81WritePort,
+		ZX81ReadPort,
+		ZX81ReadForDisassem,
+		NULL);
+
+    GFXInit();
+
+    white=GFXRGB(255,255,255);
+    grey=GFXRGB(128,128,128);
+    black=GFXRGB(0,0,0);
+
+    GFXClear(grey);
+    GFXPrint(1,1,black,"Quick SDL check");
+    GFXPrint(2,2,white,"Quick SDL check");
+    GFXRect(100,100,20,20,white,TRUE);
+    GFXRect(99,99,22,22,white,FALSE);
+
+    GFXHLine(0,319,0,white);
+    GFXVLine(0,1,199,black);
+
+    {
+    SDL_Event e;
+    int f;
+
+    for(f=0;f<1000;f++)
+    {
+    	GFXPlot(rand()%320,rand()%200,white);
+	GFXEndFrame(FALSE);
+    }
+
+    do
+    {
+    	SDL_WaitEvent(&e);
+    } while(e.type!=SDL_KEYUP);
+    }
+
+    SDL_Quit();
+
+    return EXIT_SUCCESS;
+}
+
+
+/* END OF FILE */
diff --git a/src/zx81.c b/src/zx81.c
index 59b5960..9fa09f6 100644
--- a/src/zx81.c
+++ b/src/zx81.c
@@ -29,9 +29,10 @@ static const char ident[]="$Id$";
 #include <stdio.h>
 #include <string.h>
 #include "zx81.h"
+#include "config.h"
 #include "exit.h"
 
-static const char ident_h[]=EZX81_ZX81_H;
+static const char ident_h[]=EZX81ZX81H;
 
 
 /* ---------------------------------------- STATICS
@@ -40,6 +41,11 @@ static const int	ROMLEN=0x2000;
 static const int	ROM_SAVE=0x2fc;
 static const int	ROM_LOAD=0x347;
 
+/* These assume a 320x200 screen
+*/
+static const int	OFF_X=(320-256)/2;
+static const int	OFF_Y=(200-192)/2;
+
 static Z80Byte		mem[0x10000];
 
 static Z80Word		RAMBOT=0;
@@ -56,16 +62,13 @@ void ULA_Video_Shifter(Z80 *z80, Z80Byte val)
 
 /* ---------------------------------------- EXPORTED INTERFACES
 */
-void ZX81_Init(void)
+void ZX81Init(void)
 {
-    /* TODO: Config for ROM
-    */
-    const char rom[]="/files/emu/ROM/zx81.rom";
     FILE *fp;
     Z80Word f;
 
-    if (!(fp=fopen(rom,"rb")))
-    	Exit("Failed to open ZX81 ROM - %s\n",rom);
+    if (!(fp=fopen(SConfig(CONF_ROMFILE),"rb")))
+    	Exit("Failed to open ZX81 ROM - %s\n",SConfig(CONF_ROMFILE));
 
     if (fread(mem,1,ROMLEN,fp)!=ROMLEN)
     {
@@ -79,9 +82,13 @@ void ZX81_Init(void)
 
     RAMBOT=0x4000;
 
-    /* TODO: Memory size (1 or 16K)
+    /* Memory size (1 or 16K)
     */
-    RAMLEN=0x2000;
+    if (IConfig(CONF_MEMSIZE)==16)
+	RAMLEN=0x2000;
+    else
+	RAMLEN=0x400;
+
     RAMTOP=RAMBOT+RAMLEN;
 
     for(f=RAMBOT;f<=RAMTOP;f++)
@@ -89,7 +96,7 @@ void ZX81_Init(void)
 }
 
 
-Z80Byte ZX81_ReadMem(Z80 *z80, Z80Word addr)
+Z80Byte ZX81ReadMem(Z80 *z80, Z80Word addr)
 {
     /* Memory reads above 32K invoke the ULA
     */
@@ -125,25 +132,25 @@ Z80Byte ZX81_ReadMem(Z80 *z80, Z80Word addr)
 }
 
 
-void ZX81_WriteMem(Z80 *z80, Z80Word addr, Z80Byte val)
+void ZX81WriteMem(Z80 *z80, Z80Word addr, Z80Byte val)
 {
     if (addr>=RAMBOT && addr<=RAMTOP)
 	mem[addr&0x7fff]=val;
 }
 
 
-Z80Byte ZX81_ReadPort(Z80 *z80, Z80Word port)
+Z80Byte ZX81ReadPort(Z80 *z80, Z80Word port)
 {
     return 0;
 }
 
 
-void ZX81_WritePort(Z80 *z80, Z80Word port, Z80Byte val)
+void ZX81WritePort(Z80 *z80, Z80Word port, Z80Byte val)
 {
 }
 
 
-Z80Byte ZX81_ReadForDisassem(Z80 *z80, Z80Word addr)
+Z80Byte ZX81ReadForDisassem(Z80 *z80, Z80Word addr)
 {
     return mem[addr&0x7fff];
 }
diff --git a/src/zx81.h b/src/zx81.h
index 0735230..7fa865d 100644
--- a/src/zx81.h
+++ b/src/zx81.h
@@ -24,23 +24,23 @@
 
 */
 
-#ifndef EZX81_ZX81_H
-#define EZX81_ZX81_H "$Id$"
+#ifndef EZX81ZX81H
+#define EZX81ZX81H "$Id$"
 
 #include "z80.h"
 
 
 /* Initialise the ZX81
 */
-void	ZX81_Init(void);
+void	ZX81Init(void);
 
 /* Interfaces for the Z80
 */
-Z80Byte	ZX81_ReadMem(Z80 *z80, Z80Word addr);
-void	ZX81_WriteMem(Z80 *z80, Z80Word addr, Z80Byte val);
-Z80Byte	ZX81_ReadPort(Z80 *z80, Z80Word port);
-void	ZX81_WritePort(Z80 *z80, Z80Word port, Z80Byte val);
-Z80Byte	ZX81_ReadForDisassem(Z80 *z80, Z80Word addr);
+Z80Byte	ZX81ReadMem(Z80 *z80, Z80Word addr);
+void	ZX81WriteMem(Z80 *z80, Z80Word addr, Z80Byte val);
+Z80Byte	ZX81ReadPort(Z80 *z80, Z80Word port);
+void	ZX81WritePort(Z80 *z80, Z80Word port, Z80Byte val);
+Z80Byte	ZX81ReadForDisassem(Z80 *z80, Z80Word addr);
 
 
 #endif
-- 
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