From 09c566e6916d431606284a527ce373c103be39dc Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Sun, 22 Aug 2004 01:06:09 +0000
Subject: Initial working version

---
 tap.c | 93 +++++++++++++++++++++++++++++++++++++++++++------------------------
 1 file changed, 60 insertions(+), 33 deletions(-)

(limited to 'tap.c')

diff --git a/tap.c b/tap.c
index 0c9b3c7..01f7e88 100644
--- a/tap.c
+++ b/tap.c
@@ -55,7 +55,7 @@ static int		file_no;
 
 /* ---------------------------------------- PRIVATE FUNCTIONS
 */
-unsigned char TapWord(unsigned w, unsigned char chk)
+static unsigned char TapWord(unsigned w, unsigned char chk)
 {
     putc(w&0xff,fp);
     chk^=w&0xff;
@@ -64,14 +64,14 @@ unsigned char TapWord(unsigned w, unsigned char chk)
     return chk;
 }
 
-unsigned char TapByte(unsigned char c, unsigned char chk)
+static unsigned char TapByte(unsigned char c, unsigned char chk)
 {
     putc(c,fp);
     chk^=c;
     return chk;
 }
 
-unsigned char TapString(char *p, int len, unsigned char chk)
+static unsigned char TapString(const char *p, int len, unsigned char chk)
 {
     while(len--)
     {
@@ -81,8 +81,8 @@ unsigned char TapString(char *p, int len, unsigned char chk)
     return chk;
 }
 
-unsigned char TapStream(const unsigned char p[0x10000],
-			unsigned addr, unsigned len, unsigned char chk)
+static unsigned char TapStream(const unsigned char p[0x10000],
+			       unsigned addr, unsigned len, unsigned char chk)
 {
     while(len--)
     {
@@ -93,6 +93,19 @@ unsigned char TapStream(const unsigned char p[0x10000],
     return chk;
 }
 
+
+static const char *FileName(void)
+{
+    static char name[11];
+
+    sprintf(name,"FILE%4.4d  ",file_no);
+    file_no=(file_no+1)%10000;
+
+    return name;
+}
+
+
+
 /* ---------------------------------------- INTERFACES
 */
 
@@ -109,50 +122,64 @@ int TapOpen(const char *filename)
 }
 
 
-void TapWrite(const unsigned char mem[0x1000],
-	      unsigned addr, unsigned len, int is_code)
+void TapBasic(const unsigned char *base,
+	      unsigned len, unsigned run_line)
 {
-    char name[11]={0};
     unsigned char chk;
 
-    sprintf(name,"%10.10d",file_no);
-    file_no=(file_no+1)%10000;
-
     /* Output file header
     */
-    chk=TapWord(19,chk);
-    chk=TapByte(0,chk);
+    TapWord(19,0);
 
-    if (is_code)
-    {
-	chk=TapByte(3,chk);
-    }
-    else
-    {
-	chk=TapByte(3,chk);
-    }
+    chk=0;
 
-    chk=TapString(name,10,chk);
+    chk=TapByte(0,chk);
+    chk=TapByte(0,chk);
+    chk=TapString(FileName(),10,chk);
     chk=TapWord(len,chk);
+    chk=TapWord(run_line,chk);
+    chk=TapWord(len,chk);	/* ?? */
 
-    if (is_code)
-    {
-    	chk=TapWord(addr,chk);
-	chk=TapWord(32768,chk);
-    }
-    else
-    {
-    	chk=TapWord(0,chk);
-	chk=TapWord(0,chk);
-    }
+    TapByte(chk,0);
+
+    /* Output file data
+    */
+    TapWord(len+2,0);
+
+    chk=0;
+
+    chk=TapByte(0xff,chk);
+    chk=TapStream(base,0,len,chk);
+    TapByte(chk,0);
+}
+
+
+void TapBinary(const unsigned char mem[0x1000], unsigned addr, unsigned len)
+{
+    unsigned char chk;
+
+    /* Output file header
+    */
+    TapWord(19,0);
+
+    chk=0;
+
+    chk=TapByte(0,chk);
+    chk=TapByte(3,chk);
+    chk=TapString(FileName(),10,chk);
+    chk=TapWord(len,chk);
+    chk=TapWord(addr,chk);
+    chk=TapWord(32768,chk);
 
     TapByte(chk,0);
 
     /* Output file data
     */
+    TapWord(len+2,0);
+
     chk=0;
 
-    chk=TapWord(len+2,chk);
+    chk=TapByte(0xff,chk);
     chk=TapStream(mem,addr,len,chk);
     TapByte(chk,0);
 }
-- 
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