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-
- /* Stack.c: Z80's stack operations - basic support routines.
- *
- * Copyright 1996 Rui Fernando Ferreira Ribeiro.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #include "env.h"
-
- #undef push
- #undef pop
-
- /*=========================================================================*
- * push *
- *=========================================================================*/
- void push(value)
- USHORT value;
- {
- /* defined as a macro in z80.h */
- writeword(SP -= 2, value);
- }
-
- /*=========================================================================*
- * pop *
- *=========================================================================*/
- USHORT pop()
- {
- /* defined as a macro in z80.h */
- SP += 2;
- return(readword(SP - 2) );
- }
-
- /* EOF: Stack.c */
-