-/* memory.h */
-
+/*
+ * memory.h
+ *
+ * Copyright (C) 1999 Jonathan St-André
+ * Copyright (C) 1999 Hugo Villeneuve <hugo@hugovil.com>
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
#ifndef MEMORY_H
#define MEMORY_H 1
-
#include <sys/types.h>
+#define PGM_MEM_MAX_SIZE 65536
+/*
+ * Direct addressing $00 to $7F = IRAM (8051)
+ * Direct addressing $80 to $FF = SFR (8051)
+ * Indirect addressing $80 to $FF = IRAM (8052)
+ */
+#define INT_MEM_MAX_SIZE 256
+#define EXT_MEM_MAX_SIZE 65536
+
+#define PGM_MEM_DEFAULT_SIZE 8192
+#define EXT_MEM_DEFAULT_SIZE 1024
-enum {
- SFR_MEM_ID,
- PGM_MEM_ID,
- INT_MEM_ID,
- EXT_MEM_ID
+enum mem_id_t {
+ PGM_MEM_ID,
+ INT_MEM_ID,
+ EXT_MEM_ID,
+ MEM_ID_COUNT
};
+void
+memory_init(void);
+
+void
+memory_clear(enum mem_id_t id);
+
+void
+memory_write8(enum mem_id_t id, unsigned long address, u_int8_t value);
+
+void
+memory_sfr_write8(unsigned long address, u_int8_t value);
void
-memory_write8( int memory_id, unsigned long address, u_int8_t value );
+memory_sfr_write_dptr(u_int16_t value);
u_int8_t
-memory_read8( int memory_id, unsigned long address );
+memory_read8(enum mem_id_t id, unsigned long address);
+u_int8_t
+memory_sfr_read8(unsigned long address);
+
+u_int16_t
+memory_sfr_read_dptr(void);
+
+void
+stack_push8(uint8_t value);
+
+void
+stack_push16(uint16_t value);
+
+uint8_t
+stack_pop8(void);
+
+uint16_t
+stack_pop16(void);
+
+void
+DumpMem(char *Address, char *Asize, int memory_id);
#endif /* MEMORY_H */