X-Git-Url: http://gitweb.hugovil.com/?a=blobdiff_plain;f=src%2Fmemory.h;h=9064813d480296c592a8722dafce853c63c1c043;hb=add152ddb851575c885208c12b008887e68b9f48;hp=faaba956a585b772dd5872f3ab5daeff4507df04;hpb=276025c2488166d5a4495b93f1b64d7d574dc9a6;p=emu8051.git

diff --git a/src/memory.h b/src/memory.h
index faaba95..9064813 100644
--- a/src/memory.h
+++ b/src/memory.h
@@ -24,23 +24,42 @@
 
 #include <sys/types.h>
 
-#define PGM_MEM_SIZE 65536
-#define INT_MEM_SIZE 256 /* IRAM = Direct addresses $00 to $7F
-			  * SFR  = Direct addresses $80 to $FF */
-#define EXT_MEM_SIZE 65536
+#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 {
-  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_write8(int memory_id, unsigned long address, u_int8_t value);
+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);
+
+u_int8_t
+memory_read8(enum mem_id_t id, unsigned long address);
 
 u_int8_t
-memory_read8(int memory_id, unsigned long address);
+memory_sfr_read8(unsigned long address);
 
 void
 DumpMem(char *Address, char *Asize, int memory_id);