1 /*****************************************************************************/
5 /* Binary code management */
9 /* (C) 2000-2003 Ullrich von Bassewitz */
10 /* Römerstrasse 52 */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
41 /*****************************************************************************/
43 /*****************************************************************************/
47 extern unsigned char CodeBuf [0x10000]; /* Code buffer */
48 extern unsigned long CodeStart; /* Start address */
49 extern unsigned long CodeEnd; /* End address */
50 extern unsigned long PC; /* Current PC */
54 /*****************************************************************************/
56 /*****************************************************************************/
61 /* Load the code from the given file */
63 unsigned char GetCodeByte (unsigned Addr);
64 /* Get a byte from the given address */
66 unsigned GetCodeDByte (unsigned Addr);
67 /* Get a dbyte from the given address */
69 unsigned GetCodeWord (unsigned Addr);
70 /* Get a word from the given address */
72 unsigned long GetCodeDWord (unsigned Addr);
73 /* Get a dword from the given address */
75 unsigned GetRemainingBytes (void);
76 /* Return the number of remaining code bytes */
79 /* Return true if there are code bytes left */
81 void ResetCode (void);
82 /* Reset the code input to start over for the next pass */