1 /*****************************************************************************/
5 /* 6502 register tracking info */
9 /* (C) 2001 Ullrich von Bassewitz */
11 /* D-70597 Stuttgart */
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 /*****************************************************************************/
44 /*****************************************************************************/
46 /*****************************************************************************/
50 void RC_Invalidate (RegContents* C)
51 /* Invalidate all registers */
62 RegInfo* NewRegInfo (const RegContents* RC)
63 /* Allocate a new register info, initialize and return it. If RC is not
64 * a NULL pointer, it is used to initialize both, the input and output
65 * registers. If the pointer is NULL, all registers are set to unknown.
69 RegInfo* RI = xmalloc (sizeof (RegInfo));
71 /* Initialize the registers */
77 RC_Invalidate (&RI->In);
78 RC_Invalidate (&RI->Out);
79 RC_Invalidate (&RI->Out2);
82 /* Return the new struct */
88 void FreeRegInfo (RegInfo* RI)
89 /* Free a RegInfo struct */