Some hi-res support. Added new config page and averaging touchscreen reads.

In process of writing file selector.

1 files changed, 35 insertions, 36 deletions

diff --git a/source/zx81.c b/source/zx81.c
index 9a053b5..7964ed1 100644
--- a/source/zx81.c
+++ b/source/zx81.c
@@ -41,9 +41,6 @@
 #define FALSE 0
 #endif
 
-#define MAX_FNAME_LEN	30
-
-
 /* ---------------------------------------- STATICS
 */
 #define ROMLEN		0x2000
@@ -99,6 +96,8 @@ static int		enable_filesystem;
 static const Z80Byte	*tape_image;
 static int		tape_len;
 
+static char		last_dir[FILENAME_MAX] = "/";
+
 /* GFX vars
 */
 static uint16		*txt_screen;
@@ -259,58 +258,58 @@ static Z80Byte FromASCII(char c)
 */
 static FILE *OpenTapeFile(Z80Word addr)
 {
+    static const char zx_chars[] = "\"#$:?()><=+-*/;,."
+				   "0123456789"
+				   "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
     FILE *fp;
-    char fn[MAX_FNAME_LEN];
+    char fn[FILENAME_MAX];
     int f;
     int done;
 
-    f=0;
-    done=FALSE;
+    fp = NULL;
+    f = 0;
+    done = FALSE;
 
-    while(f<(MAX_FNAME_LEN-3) && !done)
+    while(f<(FILENAME_MAX-3) && !done)
     {
     	int ch;
 
-	ch=mem[addr++];
+	ch = mem[addr++];
 
 	if (ch&0x80)
 	{
-	    done=TRUE;
-	    ch&=0x7f;
+	    done = TRUE;
+	    ch &= 0x7f;
 	}
 
-	switch(ch)
+	if (ch>=11 && ch<=63)
 	{
-	    case 22:
-	    	fn[f++]='-';
-		break;
-
-	    case 27:
-	    	fn[f++]='.';
-
-	    default:
-		if (ch>=28 && ch<=37)
-		{
-		    fn[f++]='0'+(ch-28);
-		}
-		else if (ch>=38 && ch<=63)
-		{
-		    fn[f++]='A'+(ch-38);
-		}
-		break;
+	    fn[f++] = zx_chars[ch-11];
 	}
     }
 
-    fn[f++]='.';
-    fn[f++]='P';
-    fn[f]=0;
+    if (fn[0] == '*')
+    {
+    	if (GUI_FileSelect(last_dir,fn,".P"))
+	{
+	    fp = fopen(fn,"rb");
+	}
 
-    if (!(fp=fopen(fn,"rb")))
+	SK_DisplayKeyboard(BG_GFX_SUB);
+    }
+    else
     {
-	char full_fn[MAX_FNAME_LEN+11]="\\ZX81SNAP\\";
+	fn[f++] = '.';
+	fn[f++] = 'P';
+	fn[f] = 0;
 
-	strcat(full_fn,fn);
-	fp=fopen(full_fn,"rb");
+	if (!(fp = fopen(fn,"rb")))
+	{
+	    char full_fn[FILENAME_MAX+11] = "/ZX81SNAP/";
+
+	    strcat(full_fn,fn);
+	    fp = fopen(full_fn,"rb");
+	}
     }
 
     return fp;
@@ -378,7 +377,7 @@ static void DrawScreen_HIRES(Z80 *z80)
     bmp = bmp_screen;
     table = z80->I << 8;
 
-    /* scr is increment in both loops so that it can skip of the end-of-line
+    /* scr is increment in both loops so that it can skip the end-of-line
        character
     */
     for(y=0; y<192; y++)