--- hatari/src/includes/stMemory.h 2019/04/01 07:11:30 1.1.1.3 +++ hatari/src/includes/stMemory.h 2019/04/01 07:13:41 1.1.1.7 @@ -8,14 +8,21 @@ #ifndef HATARI_STMEMORY_H #define HATARI_STMEMORY_H +#include "config.h" #include "sysdeps.h" #include "maccess.h" #include "main.h" - +#if ENABLE_SMALL_MEM +extern Uint8 *STRam; +extern uae_u8 *ROMmemory; +# define RomMem (ROMmemory-0xe00000) +#else extern Uint8 STRam[16*1024*1024]; -extern Uint32 STRamEnd; +#define RomMem STRam +#endif /* ENABLE_SMALL_MEM */ +extern Uint32 STRamEnd; /* Offset ST address to PC pointer: */ #define STRAM_ADDR(Var) ((unsigned long)STRam+((Uint32)(Var) & 0x00ffffff)) @@ -28,8 +35,15 @@ extern Uint32 STRamEnd; */ static inline void STMemory_WriteLong(Uint32 Address, Uint32 Var) { - Address &= 0xffffff; - do_put_mem_long((uae_u32 *)((Uint32)STRam+Address), Var); + Address &= 0xffffff; +#if ENABLE_SMALL_MEM + if (Address >= 0xe00000) + do_put_mem_long(&ROMmemory[Address-0xe00000], Var); + else + do_put_mem_long(&STRam[Address], Var); +#else + do_put_mem_long(&STRam[Address], Var); +#endif } /*-----------------------------------------------------------------------*/ @@ -39,8 +53,15 @@ static inline void STMemory_WriteLong(Ui */ static inline void STMemory_WriteWord(Uint32 Address, Uint16 Var) { - Address &= 0xffffff; - do_put_mem_word((uae_u16 *)((Uint32)STRam+Address), Var); + Address &= 0xffffff; +#if ENABLE_SMALL_MEM + if (Address >= 0xe00000) + do_put_mem_word(&ROMmemory[Address-0xe00000], Var); + else + do_put_mem_word(&STRam[Address], Var); +#else + do_put_mem_word(&STRam[Address], Var); +#endif } /*-----------------------------------------------------------------------*/ @@ -49,8 +70,15 @@ static inline void STMemory_WriteWord(Ui */ static inline void STMemory_WriteByte(Uint32 Address, Uint8 Var) { - Address &= 0xffffff; - *(Uint8 *)((Uint32)STRam+Address) = Var; + Address &= 0xffffff; +#if ENABLE_SMALL_MEM + if (Address >= 0xe00000) + ROMmemory[Address-0xe00000] = Var; + else + STRam[Address] = Var; +#else + STRam[Address] = Var; +#endif } @@ -61,8 +89,15 @@ static inline void STMemory_WriteByte(Ui */ static inline Uint32 STMemory_ReadLong(Uint32 Address) { - Address &= 0xffffff; - return do_get_mem_long((uae_u32 *)((Uint32)STRam+Address)); + Address &= 0xffffff; +#if ENABLE_SMALL_MEM + if (Address >= 0xe00000) + return do_get_mem_long(&ROMmemory[Address-0xe00000]); + else + return do_get_mem_long(&STRam[Address]); +#else + return do_get_mem_long(&STRam[Address]); +#endif } /*-----------------------------------------------------------------------*/ @@ -72,8 +107,15 @@ static inline Uint32 STMemory_ReadLong(U */ static inline Uint16 STMemory_ReadWord(Uint32 Address) { - Address &= 0xffffff; - return do_get_mem_word((uae_u16 *)((Uint32)STRam+Address)); + Address &= 0xffffff; +#if ENABLE_SMALL_MEM + if (Address >= 0xe00000) + return do_get_mem_word(&ROMmemory[Address-0xe00000]); + else + return do_get_mem_word(&STRam[Address]); +#else + return do_get_mem_word(&STRam[Address]); +#endif } /*-----------------------------------------------------------------------*/ @@ -82,11 +124,19 @@ static inline Uint16 STMemory_ReadWord(U */ static inline Uint8 STMemory_ReadByte(Uint32 Address) { - Address &= 0xffffff; - return *(Uint8 *)((Uint32)STRam+Address); + Address &= 0xffffff; +#if ENABLE_SMALL_MEM + if (Address >= 0xe00000) + return ROMmemory[Address-0xe00000]; + else + return STRam[Address]; +#else + return STRam[Address]; +#endif } -extern void STMemory_Clear(unsigned long StartAddress, unsigned long EndAddress); +extern void STMemory_Clear(Uint32 StartAddress, Uint32 EndAddress); +extern void STMemory_SetDefaultConfig(void); #endif