X-Git-Url: http://gitweb.hugovil.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmemory.h;h=9064813d480296c592a8722dafce853c63c1c043;hb=ae50fa4fee0b41f26b161ad2fd7831815cd396cb;hp=55a034a5e8e54009dec78a0b6470c17f28355b23;hpb=fb3b3529579773b8a14959cc6bc5bb2096fd0fe8;p=emu8051.git diff --git a/src/memory.h b/src/memory.h index 55a034a..9064813 100644 --- a/src/memory.h +++ b/src/memory.h @@ -24,19 +24,44 @@ #include -enum { - PGM_MEM_ID, - INT_MEM_ID, - EXT_MEM_ID +#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 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 *buf, char *Address, int memory_id); +DumpMem(char *Address, char *Asize, int memory_id); #endif /* MEMORY_H */